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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

Form 10-Q

 

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2025

OR

TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission File Number 001-35839

 

ENANTA PHARMACEUTICALS, INC.

(Exact name of registrant as specified in its charter)

 

DELAWARE

 

04-3205099

(State or other jurisdiction of

incorporation or organization)

 

(I.R.S. Employer

Identification Number)

 

4 Kingsbury Avenue

Watertown, Massachusetts

 

02472

(Address of principal executive offices)

 

(Zip Code)

 

(Registrants telephone number, including area code:) (617) 607-0800

 

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock, par value $0.01 per share

ENTA

NASDAQ

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

 

Large accelerated filer

Accelerated filer

Non-accelerated filer

Smaller reporting company

Emerging growth company

 

 

 

 

 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No

As of May 1, 2025, the registrant had 21,376,581 shares of common stock, $0.01 par value per share, outstanding.

 

 

 


Table of Contents

 

Page

PART I.

UNAUDITED FINANCIAL INFORMATION

Item 1.

Condensed Consolidated Financial Statements

3

Condensed Consolidated Balance Sheets

3

Condensed Consolidated Statements of Operations

4

Condensed Consolidated Statements of Comprehensive Loss

5

 

Condensed Consolidated Statements of Stockholders' Equity

6

Condensed Consolidated Statements of Cash Flows

7

Notes to Condensed Consolidated Financial Statements (unaudited)

8

Item 2.

Management’s Discussion and Analysis of Financial Condition and Results of Operations

16

Item 3.

Quantitative and Qualitative Disclosures About Market Risk

28

Item 4.

Controls and Procedures

28

PART II.

OTHER INFORMATION

 

Item 1.

Legal Proceedings

28

Item 1A.

Risk Factors

28

Item 5.

Other Information

28

Item 6.

Exhibits

29

Signatures

30

 

NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Quarterly Report on Form 10-Q (“Quarterly Report”) contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”) and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”) about us and our industry that involve substantial risks and uncertainties. All statements other than statements of historical facts contained in this Quarterly Report, including statements regarding our future results of operations and financial condition, business strategy and plans and objectives of management for future operations, are forward-looking statements. In some cases, forward-looking statements may be identified by words such as “anticipate,” “believe,” “continue,” “could,” “design,” “estimate,” “expect,” “intend,” “may,” “plan,” “potentially,” “predict,” “project,” “should,” “will” or the negative of these terms or other similar expressions. We caution you that the foregoing list may not encompass all of the forward-looking statements made in this Quarterly Report.

Forward-looking statements are based on our management’s beliefs and assumptions and on information currently available. These forward-looking statements are subject to a number of known and unknown risks, uncertainties and assumptions, including risks described in the section titled “Risk Factors” in our Annual Report on Form 10-K for the fiscal year ended September 30, 2024 and as updated in Item 1A herein.

2


PART I—UNAUDITED FINANCIAL INFORMATION

ITEM 1. CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

ENANTA PHARMACEUTICALS, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(unaudited)

(in thousands, except per share data)

 

 

 

March 31,

 

 

September 30,

 

 

 

2025

 

 

2024

 

Assets

 

 

 

 

 

 

Current assets:

 

 

 

 

 

 

Cash and cash equivalents

 

$

60,213

 

 

$

37,233

 

Short-term marketable securities

 

 

133,162

 

 

 

210,953

 

Accounts receivable

 

 

6,792

 

 

 

6,646

 

Prepaid expenses and other current assets

 

 

8,857

 

 

 

12,413

 

Income tax receivable

 

 

33,836

 

 

 

31,999

 

Short-term restricted cash

 

 

 

 

 

608

 

Total current assets

 

 

242,860

 

 

 

299,852

 

Property and equipment, net

 

 

37,572

 

 

 

32,688

 

Operating lease, right-of-use assets

 

 

39,103

 

 

 

40,658

 

Long-term restricted cash

 

 

3,360

 

 

 

3,360

 

Other long-term assets

 

 

98

 

 

 

94

 

Total assets

 

$

322,993

 

 

$

376,652

 

Liabilities and Stockholders' Equity

 

 

 

 

 

 

Current liabilities:

 

 

 

 

 

 

Accounts payable

 

$

4,756

 

 

$

8,002

 

Accrued expenses and other current liabilities

 

 

8,314

 

 

 

13,547

 

Liability related to the sale of future royalties

 

 

30,681

 

 

 

34,462

 

Operating lease liabilities

 

 

2,196

 

 

 

1,524

 

Total current liabilities

 

 

45,947

 

 

 

57,535

 

Liability related to the sale of future royalties, net of current portion

 

 

125,379

 

 

 

134,779

 

Operating lease liabilities, net of current portion

 

 

56,536

 

 

 

53,943

 

Series 1 nonconvertible preferred stock

 

 

1,350

 

 

 

1,350

 

Other long-term liabilities

 

 

243

 

 

 

231

 

Total liabilities

 

 

229,455

 

 

 

247,838

 

Commitments and contingencies (Note 12)

 

 

 

 

 

 

Stockholders' equity:

 

 

 

 

 

 

Common stock; $0.01 par value per share, 100,000 shares authorized;
   
21,377 and 21,194 shares issued and outstanding at March 31, 2025
   and September 30, 2024, respectively

 

 

214

 

 

 

212

 

Additional paid-in capital

 

 

461,522

 

 

 

451,340

 

Accumulated other comprehensive (loss) gain

 

 

(224

)

 

 

302

 

Accumulated deficit

 

 

(367,974

)

 

 

(323,040

)

Total stockholders' equity

 

 

93,538

 

 

 

128,814

 

Total liabilities and stockholders' equity

 

$

322,993

 

 

$

376,652

 

 

The accompanying notes are an integral part of these condensed consolidated financial statements.

3


ENANTA PHARMACEUTICALS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(unaudited)

(in thousands, except per share data)

 

 

 

 

 

 

 

 

 

Three Months Ended March 31,

 

 

Six Months Ended March 31,

 

 

 

2025

 

 

2024

 

 

2025

 

 

2024

 

Revenue

 

 

 

 

 

 

 

 

 

 

 

 

Royalty revenue

 

$

14,926

 

 

$

17,054

 

 

$

31,885

 

 

$

35,057

 

Total revenue

 

 

14,926

 

 

 

17,054

 

 

 

31,885

 

 

 

35,057

 

Operating expenses:

 

 

 

 

 

 

 

 

 

 

 

 

Research and development

 

 

28,065

 

 

 

35,585

 

 

 

55,721

 

 

 

71,956

 

General and administrative

 

 

11,388

 

 

 

14,235

 

 

 

24,234

 

 

 

30,753

 

Total operating expenses

 

 

39,453

 

 

 

49,820

 

 

 

79,955

 

 

 

102,709

 

Loss from operations

 

 

(24,527

)

 

 

(32,766

)

 

 

(48,070

)

 

 

(67,652

)

Other income (expense):

 

 

 

 

 

 

 

 

 

 

 

 

Interest expense

 

 

(1,714

)

 

 

(2,563

)

 

 

(3,676

)

 

 

(6,004

)

Interest and investment income, net

 

 

2,292

 

 

 

3,809

 

 

 

5,091

 

 

 

8,107

 

Total other income, net

 

 

578

 

 

 

1,246

 

 

 

1,415

 

 

 

2,103

 

Loss before income taxes

 

 

(23,949

)

 

 

(31,520

)

 

 

(46,655

)

 

 

(65,549

)

Income tax benefit

 

 

1,305

 

 

 

363

 

 

 

1,721

 

 

 

985

 

Net loss

 

$

(22,644

)

 

$

(31,157

)

 

$

(44,934

)

 

$

(64,564

)

Net loss per share, basic and diluted

 

$

(1.06

)

 

$

(1.47

)

 

$

(2.11

)

 

$

(3.06

)

Weighted average common shares outstanding, basic and
   diluted

 

 

21,355

 

 

 

21,167

 

 

 

21,295

 

 

 

21,128

 

 

The accompanying notes are an integral part of these condensed consolidated financial statements.

4


ENANTA PHARMACEUTICALS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS

(unaudited)

(in thousands)

 

 

 

 

 

 

 

 

 

 

Three Months Ended March 31,

 

 

Six Months Ended March 31,

 

 

 

2025

 

 

2024

 

 

2025

 

 

2024

 

Net loss

 

$

(22,644

)

 

$

(31,157

)

 

$

(44,934

)

 

$

(64,564

)

Other comprehensive (loss) income:

 

 

 

 

 

 

 

 

 

 

 

 

Net unrealized (loss) gain on marketable securities

 

 

(195

)

 

 

(133

)

 

 

(526

)

 

 

507

 

Total other comprehensive (loss) income

 

 

(195

)

 

 

(133

)

 

 

(526

)

 

 

507

 

Comprehensive loss

 

$

(22,839

)

 

$

(31,290

)

 

$

(45,460

)

 

$

(64,057

)

 

The accompanying notes are an integral part of these condensed consolidated financial statements.

5


ENANTA PHARMACEUTICALS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

(unaudited)

(in thousands)

 

 

 

 

 

 

 

 

 

 

 

 

 

Accumulated

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Additional

 

 

Other

 

 

 

 

 

Total

 

 

 

Common Stock

 

 

Paid-In

 

 

Comprehensive

 

 

Accumulated

 

 

Stockholders'

 

 

 

Shares

 

 

Amount

 

 

Capital

 

 

Income (Loss)

 

 

Deficit

 

 

Equity

 

Balances, September 30, 2024

 

 

21,194

 

 

$

212

 

 

$

451,340

 

 

$

302

 

 

$

(323,040

)

 

$

128,814

 

Exercise of stock options

 

 

11

 

 

 

 

 

 

94

 

 

 

 

 

 

 

 

 

94

 

Vesting of restricted stock units, net of withholding

 

 

128

 

 

 

1

 

 

 

(138

)

 

 

 

 

 

 

 

 

(137

)

Stock-based compensation expense

 

 

 

 

 

 

 

 

5,666

 

 

 

 

 

 

 

 

 

5,666

 

Other comprehensive loss

 

 

 

 

 

 

 

 

 

 

 

(331

)

 

 

 

 

 

(331

)

Net loss

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(22,290

)

 

 

(22,290

)

Balances, December 31, 2024

 

 

21,333

 

 

$

213

 

 

$

456,962

 

 

$

(29

)

 

$

(345,330

)

 

$

111,816

 

Vesting of restricted stock units, net of withholding

 

 

44

 

 

 

1

 

 

 

(128

)

 

 

 

 

 

 

 

 

(127

)

Stock-based compensation expense

 

 

 

 

 

 

 

 

4,688

 

 

 

 

 

 

 

 

 

4,688

 

Other comprehensive loss

 

 

 

 

 

 

 

 

 

 

 

(195

)

 

 

 

 

 

(195

)

Net loss

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(22,644

)

 

 

(22,644

)

Balances, March 31, 2025

 

 

21,377

 

 

$

214

 

 

$

461,522

 

 

$

(224

)

 

$

(367,974

)

 

$

93,538

 

 

 

 

 

 

 

 

 

 

 

 

 

Accumulated

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Additional

 

 

Other

 

 

 

 

 

Total

 

 

 

Common Stock

 

 

Paid-In

 

 

Comprehensive

 

 

Accumulated

 

 

Stockholders'

 

 

 

Shares

 

 

Amount

 

 

Capital

 

 

Income (Loss)

 

 

Deficit

 

 

Equity

 

Balances, September 30, 2023

 

 

21,059

 

 

$

211

 

 

$

424,693

 

 

$

(1,174

)

 

$

(206,995

)

 

$

216,735

 

Vesting of restricted stock units, net of withholding

 

 

97

 

 

 

1

 

 

 

(184

)

 

 

 

 

 

 

 

 

(183

)

Stock-based compensation expense

 

 

 

 

 

 

 

 

8,099

 

 

 

 

 

 

 

 

 

8,099

 

Other comprehensive income

 

 

 

 

 

 

 

 

 

 

 

640

 

 

 

 

 

 

640

 

Net loss

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(33,407

)

 

 

(33,407

)

Balances, December 31, 2023

 

 

21,156

 

 

$

212

 

 

$

432,608

 

 

$

(534

)

 

$

(240,402

)

 

$

191,884

 

Exercise of stock options

 

 

6

 

 

 

 

 

 

51

 

 

 

 

 

 

 

 

 

51

 

Vesting of restricted stock units, net of withholding

 

 

17

 

 

 

 

 

 

(92

)

 

 

 

 

 

 

 

 

(92

)

Stock-based compensation expense

 

 

 

 

 

 

 

 

5,561

 

 

 

 

 

 

 

 

 

5,561

 

Other comprehensive loss

 

 

 

 

 

 

 

 

 

 

 

(133

)

 

 

 

 

 

(133

)

Net loss

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(31,157

)

 

 

(31,157

)

Balances, March 31, 2024

 

 

21,179

 

 

$

212

 

 

$

438,128

 

 

$

(667

)

 

$

(271,559

)

 

$

166,114

 

 

The accompanying notes are an integral part of these condensed consolidated financial statements.

6


ENANTA PHARMACEUTICALS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(unaudited)

(in thousands)

 

 

Six Months Ended March 31,

 

 

 

2025

 

 

2024

 

Cash flows from operating activities

 

 

 

 

 

 

Net loss

 

$

(44,934

)

 

$

(64,564

)

Adjustments to reconcile net loss to net cash used in operating activities:

 

 

 

 

 

 

Stock-based compensation expense

 

 

10,354

 

 

 

13,660

 

Depreciation and amortization expense

 

 

2,092

 

 

 

1,263

 

Non-cash interest associated with the sale of future royalties

 

 

(1,303

)

 

 

(531

)

Non-cash royalty revenue

 

 

(175

)

 

 

1,013

 

Amortization of premiums on marketable securities

 

 

1,448

 

 

 

299

 

Loss on disposal of property and equipment

 

 

6

 

 

 

 

Change in operating assets and liabilities:

 

 

 

 

 

 

Accounts receivable

 

 

(146

)

 

 

858

 

Prepaid expenses and other current assets

 

 

3,556

 

 

 

2,331

 

Income tax receivable

 

 

(1,837

)

 

 

(1,027

)

Operating lease, right-of-use assets

 

 

2,656

 

 

 

2,517

 

Other long-term assets

 

 

(4

)

 

 

616

 

Accounts payable

 

 

705

 

 

 

261

 

Accrued expenses

 

 

(4,883

)

 

 

(7,709

)

Operating lease liabilities

 

 

2,164

 

 

 

(2,137

)

Other long-term liabilities

 

 

12

 

 

 

(439

)

Net cash used in operating activities

 

 

(30,289

)

 

 

(53,589

)

Cash flows from investing activities

 

 

 

 

 

 

Purchase of marketable securities

 

 

(55,016

)

 

 

(212,134

)

Proceeds from maturities and sale of marketable securities

 

 

130,833

 

 

 

260,096

 

Purchase of property and equipment

 

 

(11,283

)

 

 

(2,455

)

Net cash provided by investing activities

 

 

64,534

 

 

 

45,507

 

Cash flows from financing activities

 

 

 

 

 

 

Payments on royalty sale liability, net of imputed interest

 

 

(11,703

)

 

 

(13,540

)

Payments for settlement of share-based awards

 

 

(264

)

 

 

(275

)

Proceeds from the exercise of stock options

 

 

94

 

 

 

51

 

Net cash used in financing activities

 

 

(11,873

)

 

 

(13,764

)

Net increase (decrease) in cash, cash equivalents and restricted cash

 

 

22,372

 

 

 

(21,846

)

Cash, cash equivalents and restricted cash at beginning of period

 

 

41,201

 

 

 

89,356

 

Cash, cash equivalents and restricted cash at end of period

 

$

63,573

 

 

$

67,510

 

Supplemental disclosure of non-cash information:

 

 

 

 

 

 

Purchases of fixed assets included in accounts payable and
   accrued expenses

 

$

1,296

 

 

$

2,792

 

Operating lease liabilities arising from obtaining right-of-use assets

 

$

1,101

 

 

$

22,617

 

Supplemental disclosure of cash flow information

 

 

 

 

 

 

Cash paid for interest

 

$

5,480

 

 

$

6,575

 

Cash received from tenant improvement allowances

 

$

4,780

 

 

$

457

 

 

The accompanying notes are an integral part of these condensed consolidated financial statements.

7


ENANTA PHARMACEUTICALS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

(amounts in thousands, except per share data)

1. Nature of the Business and Basis of Presentation

Enanta Pharmaceuticals, Inc. (collectively with its subsidiary, the “Company”), incorporated in Delaware in 1995, is a biotechnology company that uses its robust, chemistry-driven approach and drug discovery capabilities to discover and develop small molecule drugs for virology and immunology indications. The Company discovered glecaprevir, the second of two antiviral protease inhibitors developed through its collaboration with AbbVie for the treatment of chronic infection with hepatitis C virus, or HCV. Glecaprevir is co-formulated as part of AbbVie’s leading brand of direct-acting antiviral, or DAA, combination treatment for HCV, which has been marketed under the tradenames MAVYRET® (U.S.) and MAVIRET® (ex-U.S.) (glecaprevir/pibrentasvir) since 2017.

The Company is subject to many of the risks common to companies in the biotechnology industry, including but not limited to, the uncertainties of research and development, competition from technological innovations of others, dependence on collaborative arrangements, protection of proprietary technology, dependence on key personnel and compliance with government regulation. Product candidates currently under development will require significant additional research and development efforts, including extensive preclinical and clinical testing and regulatory approvals, prior to commercialization. These efforts require significant amounts of capital, adequate personnel and infrastructure, and extensive compliance reporting capabilities.

 

Unaudited Interim Financial Information

The condensed consolidated balance sheet as of September 30, 2024 was derived from audited financial statements but does not include all disclosures required by accounting principles generally accepted in the United States of America (“GAAP”). The accompanying unaudited condensed consolidated financial statements as of March 31, 2025 and for the three and six months ended March 31, 2025 and 2024 have been prepared by the Company pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”) for interim financial statements. Certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. These condensed consolidated financial statements should be read in conjunction with the Company’s audited consolidated financial statements and the notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended September 30, 2024.

In the opinion of management, all adjustments, consisting of normal recurring adjustments necessary for a fair statement of the Company’s financial position as of March 31, 2025 and results of operations for the three and six months ended March 31, 2025 and 2024 and cash flows for the six months ended March 31, 2025 and 2024 have been made. The results of operations for the three and six months ended March 31, 2025 are not necessarily indicative of the results of operations that may be expected for subsequent quarters or the year ending September 30, 2025.

The accompanying condensed consolidated financial statements have been prepared in conformity with GAAP. All amounts in the condensed consolidated financial statements and in the notes to the condensed consolidated financial statements, except per share amounts, are in thousands unless otherwise indicated.

The accompanying condensed consolidated financial statements have been prepared based on continuity of operations, realization of assets and the satisfaction of liabilities and commitments in the ordinary course of business. The Company began reporting a net loss in fiscal 2020 and reported a net loss of $44,934 for the six months ended March 31, 2025 and $116,045 for the year ended September 30, 2024. As of March 31, 2025, the Company had an accumulated deficit of $367,974. The Company expects to continue to generate operating losses for the foreseeable future as the Company continues to advance its wholly-owned programs. As of March 31, 2025, the Company had $193,375 in cash, cash equivalents and short-term marketable securities. The Company expects that its cash, cash equivalents and short-term marketable securities will be sufficient to fund its operating expenses and capital expenditure requirements for at least 12 months from the issuance date of the interim condensed consolidated financial statements. The Company may seek additional funding through equity offerings, non-dilutive financings, collaborations, strategic alliances or licensing agreements. The Company may not be able to obtain sufficient financing on acceptable terms, or at all, and the Company may not be able to enter into collaborations or other arrangements. The terms of any financing may adversely affect the holdings or the rights of the Company’s stockholders. If the Company is unable to obtain funding, the Company could be forced to delay, reduce or eliminate some or all of its research and development programs, product expansion or commercialization efforts, or the Company may be unable to continue operations.

8


2. Summary of Significant Accounting Policies

For the Company’s Significant Accounting Policies, please refer to its Annual Report on Form 10-K for the fiscal year ended September 30, 2024. Any reference in these notes to applicable guidance is meant to refer to the authoritative GAAP as found in the Accounting Standards Codification and Accounting Standards Update (“ASU”) of the Financial Accounting Standards Board (“FASB”).

Use of Estimates

The preparation of condensed consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements, and the reported amounts of revenues and expenses during the reporting period. Significant estimates and assumptions reflected in these condensed consolidated financial statements include, but are not limited to, management’s judgments with respect to its revenue arrangements; liability related to the sale of future royalties; valuation of stock-based awards and the accrual of research and development expenses. Estimates are periodically reviewed in light of changes in circumstances, facts and experience.

Net Loss per Share

Basic net loss per common share is computed by dividing the net loss by the weighted average number of shares of common stock outstanding for the period. In periods in which the Company has reported a net loss, diluted net loss per common share is the same as basic net loss per common share since dilutive common shares are not assumed to have been issued if their effect is anti-dilutive. Therefore, the Company excluded the following potential common shares, presented based on amounts outstanding at each period end, from the computation of diluted net loss as its effect would have been anti-dilutive:

 

 

 

 

As of March 31,

 

 

 

2025

 

 

2024

 

 

 

(in thousands)

 

Options to purchase common stock

 

 

6,025

 

 

 

5,237

 

Unvested rTSRUs

 

 

93

 

 

 

88

 

Unvested PSUs

 

 

93

 

 

 

88

 

Unvested restricted stock units

 

 

427

 

 

 

443

 

Recently Issued Accounting Pronouncements

In November 2023, the FASB issued ASU 2023-07, Segment Reporting (Topic 280) (“ASU 2023-07”), which requires public entities to disclose information about their reportable segments’ significant expenses and other segment items on an interim and annual basis. Public entities with a single reportable segment are required to apply the disclosure requirements in ASU 2023-07, as well as all existing segment disclosures and reconciliation requirements in ASC 280 on an interim and annual basis. This amendment is effective for the Company in the fiscal year beginning October 1, 2024, and interim periods within the fiscal year beginning October 1, 2025, on a retrospective basis with early adoption permitted. This accounting standard will require additional disclosures about segment information, however, the Company does not expect ASU 2023-07 to have a material impact on the Company’s consolidated financial position or results of operations.

In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740) (“ASU 2023-09”), which requires public entities, on an annual basis, to provide disclosure of specific categories in the rate reconciliation, as well as disclosure of income taxes paid disaggregated by jurisdiction. ASU 2023-09 is effective for the Company in the fiscal year beginning October 1, 2025, with early adoption permitted. The Company is currently evaluating the potential impact that ASU 2023-09 may have on its financial statement disclosures.

In November 2024, the FASB issued ASU 2024-03, Income Statement – Reporting Comprehensive Income – Expense Disaggregation Disclosures (Subtopic 220-40) (“ASU 2024-03”), which requires public entities to provide disaggregated disclosure of income statement expenses. Public entities are required to disaggregate, in a tabular presentation, each relevant expense caption on the face of the consolidated statements of operations such as the following expenses: purchases of inventory, employee compensation, intangible asset amortization, and depreciation. ASU 2024-03 is effective for the Company in the fiscal year beginning October 1, 2027, with early adoption permitted. The Company is currently evaluating the potential impact that ASU 2024-03 may have on its financial statement disclosures.

9


3. Fair Value of Financial Assets and Liabilities

The following tables present information about the Company’s financial assets and liabilities that were subject to fair value measurement on a recurring basis as of March 31, 2025 and September 30, 2024, and indicate the fair value hierarchy of the valuation inputs utilized to determine such fair value:

 

 

Fair Value Measurements as of March 31, 2025 Using:

 

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

Total

 

 

 

(in thousands)

 

Assets:

 

 

 

 

 

 

 

 

 

 

 

 

Cash equivalents:

 

 

 

 

 

 

 

 

 

 

 

 

Money market funds

 

$

57,997

 

 

$

 

 

$

 

 

$

57,997

 

Marketable securities:

 

 

 

 

 

 

 

 

 

 

 

 

U.S. Treasury notes

 

 

133,162

 

 

 

 

 

 

 

 

 

133,162

 

 

$

191,159

 

 

$

 

 

$

 

 

$

191,159

 

Liabilities:

 

 

 

 

 

 

 

 

 

 

 

 

Series 1 nonconvertible preferred stock

 

$

 

 

$

 

 

$

1,350

 

 

$

1,350

 

 

$

 

 

$

 

 

$

1,350

 

 

$

1,350

 

 

 

 

Fair Value Measurements as of September 30, 2024 Using:

 

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

Total

 

 

 

(in thousands)

 

Assets:

 

 

 

 

 

 

 

 

 

 

 

 

Cash equivalents:

 

 

 

 

 

 

 

 

 

 

 

 

Money market funds

 

$

33,448

 

 

$

 

 

$

 

 

$

33,448

 

Marketable securities:

 

 

 

 

 

 

 

 

 

 

 

 

U.S. Treasury notes

 

 

210,953

 

 

 

 

 

 

 

 

 

210,953

 

 

$

244,401

 

 

$

 

 

$

 

 

$

244,401

 

Liabilities:

 

 

 

 

 

 

 

 

 

 

 

 

Series 1 nonconvertible preferred stock

 

$

 

 

$

 

 

$

1,350

 

 

$

1,350

 

 

$

 

 

$

 

 

$

1,350

 

 

$

1,350

 

During the three and six months ended March 31, 2025 and 2024, there were no transfers between Level 1, Level 2 and Level 3.

The fair value of Level 2 instruments classified as marketable securities are typically determined through third-party pricing services. The pricing services use many observable market inputs to determine value, including reportable trades, benchmark yields, credit spreads, broker/dealer quotes, bids, offers, and current spot rates.

The outstanding shares of Series 1 nonconvertible preferred stock as of March 31, 2025 and September 30, 2024 are measured at fair value. These outstanding shares are financial instruments that might require a transfer of assets because of the liquidation features in the contract and are therefore recorded as liabilities and measured at fair value. The fair value of the outstanding shares is based on significant inputs not observable in the market, which represent a Level 3 measurement within the fair value hierarchy. The Company utilizes a probability-weighted valuation model which takes into consideration various outcomes that may require the Company to transfer assets upon liquidation. Changes in the fair values of the Series 1 nonconvertible preferred stock are recognized in other income (expense) in the condensed consolidated statements of operations.

The recurring Level 3 fair value measurements of the Company’s outstanding Series 1 nonconvertible preferred stock using probability-weighted discounted cash flow include the following significant unobservable inputs:

 

 

 

Range

 

 

 

March 31,

 

September 30,

 

Unobservable Input

 

2025

 

2024

 

Probabilities of payout

 

0%-65%

 

0%-65%

 

Discount rate

 

9.00%

 

9.00%

 

 

There were no changes in the fair value of nonconvertible preferred stock during the three and six months ended March 31, 2025 and 2024.

In April 2023, the Company entered into a royalty sale agreement with an affiliate of OMERS, pursuant to which the Company was paid a $200,000 cash purchase price in exchange for 54.5% of future quarterly royalty payments on net sales of

10


MAVYRET/MAVIRET, after June 30, 2023, through June 30, 2032, subject to a cap on aggregate payments equal to 1.42 times the purchase price. The Company accounted for the upfront payment as a liability related to the sale of future royalties. The carrying value of the liability related to the sale of future royalties approximates fair value as of March 31, 2025 and is based on current estimates of future royalties expected to be paid to OMERS over the next 8 years, which are considered Level 3 inputs. See Note 8 for a rollforward of the liability.

4. Marketable Securities

As of March 31, 2025 and September 30, 2024, the fair value of available-for-sale marketable securities, by type of security, was as follows:

 

 

March 31, 2025

 

 

 

Amortized
Cost

 

 

Gross
Unrealized
Gains

 

 

Gross
Unrealized
Losses

 

 

Credit Losses

 

 

Fair Value

 

 

 

(in thousands)

 

U.S. Treasury notes

 

$

133,001

 

 

$

162

 

 

$

(1

)

 

$

 

 

$

133,162

 

 

 

$

133,001

 

 

$

162

 

 

$

(1

)

 

$

 

 

$

133,162

 

 

 

 

September 30, 2024

 

 

 

Amortized
Cost

 

 

Gross
Unrealized
Gains

 

 

Gross
Unrealized
Losses

 

 

Credit Losses

 

 

Fair Value

 

 

 

(in thousands)

 

U.S. Treasury notes

 

$

210,267

 

 

$

686

 

 

$

 

 

$

 

 

$

210,953

 

 

 

$

210,267

 

 

$

686

 

 

$

 

 

$

 

 

$

210,953

 

 

As of March 31, 2025 and September 30, 2024, marketable securities consisted of investments that mature within one year.

5. Property and Equipment, Net

Property and equipment, net consisted of the following as of March 31, 2025 and September 30, 2024:

 

 

 

March 31,

 

 

September 30,

 

 

 

2025

 

 

2024

 

 

 

(in thousands)

 

Leasehold improvements

 

$

36,760

 

 

$

13,975

 

Laboratory and office equipment

 

 

16,068

 

 

 

15,701

 

Furniture

 

 

3,404

 

 

 

3,117

 

Computer equipment

 

 

859

 

 

 

1,101

 

Purchased software

 

 

615

 

 

 

1,093

 

Construction in progress

 

 

1,195

 

 

 

22,748

 

 

 

 

58,901

 

 

 

57,735

 

Less: Accumulated depreciation and amortization

 

 

(21,329

)

 

 

(25,047

)

 

 

$

37,572

 

 

$

32,688

 

 

As of September 30, 2024, construction in progress related primarily to leasehold improvements for the new laboratory and office space located at 4 Kingsbury Avenue in Watertown, Massachusetts. We moved into the facility in November 2024 and placed substantially all of those costs into service at that time.

11


6. Accrued Expenses

Accrued expenses and other current liabilities consisted of the following as of March 31, 2025 and September 30, 2024:

 

 

March 31,

 

 

September 30,

 

 

 

2025

 

 

2024

 

 

 

(in thousands)

 

Accrued payroll and related expenses

 

$

2,930

 

 

$

6,570

 

Accrued research and development expenses

 

 

1,571

 

 

 

3,087

 

Accrued professional fees

 

 

1,658

 

 

 

1,332

 

Accrued pharmaceutical drug manufacturing

 

 

1,138

 

 

 

930

 

Accrued other

 

 

1,017

 

 

 

1,628

 

 

 

$

8,314

 

 

$

13,547

 

 

7. AbbVie Collaboration

The Company has a Collaborative Development and License Agreement (as amended, the “AbbVie Agreement”), with AbbVie to identify, develop and commercialize HCV NS3 and NS3/4A protease inhibitor compounds, including paritaprevir and glecaprevir, under which the Company has received license payments, proceeds from a sale of preferred stock, research funding payments, milestone payments and royalties totaling approximately $1,334,000 through March 31, 2025. Since the Company satisfied all of its performance obligations under the AbbVie Agreement by the end of fiscal 2011, all milestone payments received since then have been recognized as revenue when the milestones were achieved by AbbVie.

The Company is receiving annually tiered royalties per Company protease product ranging from ten percent up to twenty percent, or on a blended basis from ten percent up to the high teens, on the portion of AbbVie’s calendar year net sales of each HCV regimen that is allocated to the protease inhibitor in the regimen. Beginning with each January 1, the cumulative net sales of a given royalty-bearing protease inhibitor product start at zero for purposes of calculating the tiered royalties on a product-by-product basis.

8. Liability Related to the Sale of Future Royalties

In April 2023, the Company entered into a royalty sale agreement with an affiliate of OMERS, pursuant to which the Company was paid a $200,000 cash purchase price in exchange for 54.5% of future quarterly royalty payments on net sales of MAVYRET/MAVIRET, after June 30, 2023, through June 30, 2032, subject to a cap on aggregate payments equal to 1.42 times the purchase price.

Because the royalty sale agreement will be paid back to OMERS up to a capped amount as well as the Company’s significant continuing involvement in the generation of future cash flows under its AbbVie Agreement, the Company recorded the proceeds from the transaction as a liability on its condensed consolidated balance sheets which will be amortized as interest expense in the condensed consolidated statements of operations under the effective interest rate method over the life of the royalty sale agreement. The Company will continue to record the full amount of royalties earned on MAVYRET/MAVIRET sales as royalty revenue in the condensed consolidated statements of operations.

The Company’s liability related to the sale of future royalties is estimated based on forecasted worldwide MAVYRET/MAVYRET royalties to be paid to OMERS over the course of the royalty sale agreement. This estimate requires significant judgment, including the amount and timing of royalty payments up until the end of the royalty sale agreement, which is estimated to be the stated term of June 30, 2032. As royalties are earned by OMERS, the liability is reduced on the Company’s condensed consolidated balance sheets.

At March 31, 2025, the estimated future cash flows resulted in an effective annual imputed interest rate of approximately 4.3%.

The following table summarizes the activity of the liability related to the sale of future royalties:

 

 

Liability related to the sale of future royalties

 

 

 

(in thousands)

 

Balance - September 30, 2024

 

$

169,241

 

Royalty payable to purchaser

 

 

(8,135

)

Payments on royalty sale liability

 

 

(9,241

)

Interest expense, net of capitalized interest of $519

 

 

4,195

 

Balance - March 31, 2025

 

$

156,060

 

 

12


9. Series 1 Nonconvertible Preferred Stock

As of March 31, 2025, 1,930 shares of Series 1 nonconvertible preferred stock were issued and outstanding. The outstanding shares are financial instruments that might require a transfer of assets because of the liquidation features in the contract and are carried at fair value as a liability on the Company’s condensed consolidated balance sheets.

10. Stock-Based Awards

The Company grants stock-based awards, including stock options, restricted stock units and other unit awards under its 2019 Equity Incentive Plan (the “2019 Plan”), which was approved by its stockholders on February 28, 2019 and amended in March 2021, March 2022, March 2023, March 2024, December 2024, and March 2025, and its 2024 Inducement Stock Incentive Plan, which was adopted by the Board of Directors in April 2024 and amended in December 2024 for awards to new employees. The Company also has outstanding stock option awards under its 2012 Equity Incentive Plan (the “2012 Plan”), but is no longer granting awards under this plan.

 

The following table summarizes stock option activity, including performance-based options, for the year-to-date period ending March 31, 2025:

 

 

Shares
Issuable
Under
Options

 

 

Weighted
Average
Exercise
Price

 

 

Weighted
Average
Remaining
Contractual
Term

 

 

Aggregate
Intrinsic
Value

 

 

 

(in thousands)

 

 

 

 

 

(in years)

 

 

(in thousands)

 

Outstanding as of September 30, 2024

 

 

5,184

 

 

$

42.67

 

 

 

6.3

 

 

$

1,416

 

Granted

 

 

1,162

 

 

 

8.65

 

 

 

 

 

 

 

Exercised

 

 

(11

)

 

 

8.99

 

 

 

 

 

 

 

Forfeited

 

 

(45

)

 

 

24.78

 

 

 

 

 

 

 

Expired

 

 

(265

)

 

 

46.70

 

 

 

 

 

 

 

Outstanding as of March 31, 2025

 

 

6,025

 

 

$

36.13

 

 

 

6.7

 

 

$

 

Options vested and expected to vest as of
   March 31, 2025

 

 

6,025

 

 

$

36.13

 

 

 

6.7

 

 

$

 

Options exercisable as of March 31, 2025

 

 

3,650

 

 

$

48.69

 

 

 

5.2

 

 

$

 

Market and Performance-Based Stock Unit Awards

The Company awards both performance share units, or PSUs, and relative total stockholder return units, or rTSRUs, to its executive officers. The number of units granted represents the target number of shares of common stock that may be earned; however, the actual number of shares that may be earned ranges from 0% to 150% of the target number. The number of shares cancelled represents the target number of shares, less any shares that vested. The following table summarizes PSU and rTSRU activity (at target) for the year-to-date period ending March 31, 2025:

 

 

PSUs

 

 

rTSRUs

 

 

 

Shares

 

 

Weighted
Average
Grant Date Fair
Value

 

 

Shares

 

 

Weighted
Average
Grant Date Fair
Value

 

 

 

(in thousands)

 

 

 

 

 

(in thousands)

 

 

 

 

Unvested as of September 30, 2024

 

 

92

 

 

$

27.98

 

 

 

92

 

 

$

25.09

 

Granted

 

 

69

 

 

 

20.44

 

 

 

46

 

 

 

8.57

 

Vested

 

 

(68

)

 

 

47.24

 

 

 

 

 

 

 

Cancelled

 

 

 

 

 

 

 

 

(45

)

 

 

40.32

 

Unvested as of March 31, 2025

 

 

93

 

 

$

8.47

 

 

 

93

 

 

$

9.57

 

 

13


Restricted Stock Units

The following table summarizes the restricted stock unit activity for the year-to-date period ending March 31, 2025:

 

 

Restricted Stock
Units

 

 

Weighted
Average Grant
Date Fair
Value

 

 

 

(in thousands)

 

 

 

 

Unvested as of September 30, 2024

 

 

428

 

 

$

36.37

 

Granted

 

 

166

 

 

 

8.77

 

Vested

 

 

(145

)

 

 

41.61

 

Cancelled

 

 

(22

)

 

 

21.10

 

Unvested as of March 31, 2025

 

 

427

 

 

$

24.67

 

 

Stock-Based Compensation Expense

During the three and six months ended March 31, 2025 and 2024, the Company recognized the following stock-based compensation expense:

 

 

Three Months Ended March 31,

 

 

Six Months Ended March 31,

 

 

 

2025

 

 

2024

 

 

2025

 

 

2024

 

 

 

(in thousands)

 

Research and development

 

$

1,390

 

 

$

1,794

 

 

$

2,822

 

 

$

3,849

 

General and administrative

 

 

3,298

 

 

 

3,767

 

 

 

7,532

 

 

 

9,811

 

 

$

4,688

 

 

$

5,561

 

 

$

10,354

 

 

$

13,660

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three Months Ended March 31,

 

 

Six Months Ended March 31,

 

 

 

2025

 

 

2024

 

 

2025

 

 

2024

 

 

 

(in thousands)

 

Stock options

 

$

3,001

 

 

$

3,711

 

 

$

6,344

 

 

$

8,173

 

Restricted stock units

 

 

1,338

 

 

 

1,459

 

 

 

2,749

 

 

 

3,072

 

rTSRUs

 

 

174

 

 

 

258

 

 

 

447

 

 

 

703

 

Performance stock units

 

 

175

 

 

 

133

 

 

 

814

 

 

 

1,712

 

 

$

4,688

 

 

$

5,561

 

 

$

10,354

 

 

$

13,660

 

 

During the three and six months ended March 31, 2025 and 2024, the Company recognized stock-based compensation expense for performance-based stock units for which vesting became probable upon achievement of performance-based targets that occurred during the performance period.

As of March 31, 2025, the Company had an aggregate of $29,085 of unrecognized stock-based compensation cost, which is expected to be recognized over a weighted average period of 2.1 years.

11. Income Taxes

For the three months ended March 31, 2025 and 2024, the Company recorded an income tax benefit of $1,305 and $363, respectively. The income tax benefit for the three months ended March 31, 2025 was primarily due to an additional federal income tax refund from a net operating loss carryback of $871. The income tax benefit for the three months ended March 31, 2024 was primarily due to interest earned on the federal income tax refund. The federal income tax refund of $33,785, inclusive of interest, was received in April 2025.

12. Commitments and Contingencies

Litigation and Contingencies Related to Use of Intellectual Property

From time to time, the Company may become subject to legal proceedings, claims and litigation arising in the ordinary course of business. Except as described below, the Company currently is not a party to any material threatened or pending litigation. However, third parties might allege that the Company or its collaborators are infringing their patent rights or that the Company is otherwise violating their intellectual property rights. Such third parties may resort to litigation against the Company or its collaborators, which the Company has agreed to indemnify. With respect to some of these patents, the Company expects that it will be required to obtain licenses and could be required to pay license fees or royalties, or both. These licenses may not be available on acceptable terms, or at all. A costly license, or inability to obtain a necessary license, would have a material adverse effect on the Company’s financial

14


condition, results of operations or cash flows. The Company accrues contingent liabilities when it is probable that future expenditures will be made and such expenditures can be reasonably estimated.

In June 2022, the Company announced that it filed suit in the United States District Court for the District of Massachusetts on June 21, 2022, against Pfizer, Inc. seeking damages for infringement of U.S. Patent No. 11,358,953 (the ’953 Patent) in the manufacture, use and sale of Pfizer’s COVID-19 antiviral, Paxlovid™ (nirmatrelvir tablets; ritonavir tablets). The United States Patent and Trademark Office awarded the '953 Patent to the Company in June 2022 based on the Company's July 2020 patent application describing coronavirus protease inhibitors invented by the Company. The Company is seeking fair compensation for Pfizer’s use of a coronavirus protease inhibitor claimed in the ‘953 patent. In May 2024, the Company and Pfizer each filed motions for summary judgment and a hearing on the motions was held on July 31, 2024. On December 23, 2024, the District Court issued a summary judgment decision ruling that the asserted claims of the ’953 Patent were invalid. In its decision, the District Court also denied the Company’s partial motion for summary judgment of infringement as moot in light of its allowance of summary judgment on invalidity. On February 3, 2025, the Company filed a notice of appeal with the United States Court of Appeals for the Federal Circuit. The Company filed its opening brief with the Federal Circuit on March 21, 2025. The timing for a decision on the appeal is currently uncertain. The Company records all legal expenses associated with the patent infringement suit as incurred in the consolidated statements of operations.

Indemnification Agreements

In the ordinary course of business, the Company may provide indemnifications of varying scope and terms to customers, vendors, lessors, business partners, and other parties with respect to certain matters including, but not limited to, losses arising out of breach of such agreements or from services to be provided to the Company, or from intellectual property infringement claims made by third parties. In addition, the Company has entered into indemnification agreements with members of its board of directors and its executive officers that will require the Company, among other things, to indemnify them against certain liabilities that may arise by reason of their status or service as directors or officers. The maximum potential amount of future payments the Company could be required to make under these indemnification agreements is, in many cases, unlimited. To date, the Company has not incurred any material costs as a result of such indemnifications. In addition, the Company maintains directors’ and officers’ insurance coverage. The Company does not believe that the outcome of any claims under indemnification arrangements will have a material effect on its financial position, results of operations or cash flows, and has not accrued any liabilities related to such obligations in its condensed consolidated financial statements as of March 31, 2025.

Leases

The Company has two real estate leases for properties located in Watertown, Massachusetts. The first lease is for office space located at 400 Talcott Avenue and the second lease is for office and laboratory space located at 4 Kingsbury Avenue.

Future annual minimum facility and equipment lease payments, net of the tenant improvement allowance under the Company’s 4 Kingsbury Avenue lease, as of March 31, 2025, are as follows:

 

Years ended September 30,

 

(in thousands)

 

Remaining fiscal 2025

 

$

4,555

 

2026

 

 

8,467

 

2027

 

 

8,721

 

2028

 

 

8,983

 

2029

 

 

9,252

 

Thereafter

 

 

50,595

 

Total future minimum lease payments

 

 

90,573

 

Less: imputed interest

 

 

(30,372

)

Less: tenant improvement allowance

 

 

(1,469

)

Total operating lease liabilities

 

$

58,732

 

 

15


ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with the unaudited condensed consolidated financial statements and notes thereto included elsewhere in this Quarterly Report on Form 10-Q, or Form 10-Q, and the audited consolidated financial statements and notes thereto for our fiscal year ended September 30, 2024 included in our Annual Report on Form 10-K for that fiscal year, which is referred to as our 2024 Form 10-K. Please refer to our note regarding forward-looking statements on page 2 of this Form 10-Q, which is incorporated herein by this reference.

The Enanta name and logo are our trademarks. This Form 10-Q also includes trademarks, trade names and service marks of other persons. All other trademarks, trade names and service marks appearing in this Form 10-Q are the property of their respective owners.

Overview

We are a biotechnology company that uses our robust, chemistry-driven approach and drug discovery capabilities to discover and develop small molecule drugs for virology and immunology indications.

Virology:

We discovered glecaprevir, the second of two antiviral protease inhibitors developed through our collaboration with AbbVie for the treatment of chronic infection with hepatitis C virus, or HCV. Glecaprevir is co-formulated as part of AbbVie’s leading brand of direct-acting antiviral, or DAA, combination treatment for HCV, which has been marketed under the tradenames MAVYRET® (U.S.) and MAVIRET® (ex-U.S.) (glecaprevir/pibrentasvir) since 2017.

Our active development programs in virology are focused on respiratory syncytial virus, or RSV, the most common cause of bronchiolitis and pneumonia and leading cause of U.S. hospitalization in young children and a significant cause of respiratory illness in older adults. Estimates suggest that, on average, each year RSV leads to three million hospitalizations globally in children under 5 years old and 177,000 hospitalizations in the U.S. in adults over the age of 65. Populations at high risk for severe RSV infection include infants and young children, adults older than 65 years of age, and those with comorbidities such as chronic heart or lung disease.

We also have development stage programs in virology for the following disease targets:

SARS-CoV-2, the virus that causes COVID-19, with estimates suggesting that COVID-19 continues to have a disease burden greater than influenza, with hospitalization and death among the elderly and those with comorbidities, persistent symptoms referred to as long COVID, and new variants emerging on a regular basis; and
Hepatitis B virus, or HBV, the most prevalent chronic hepatitis, which is estimated by the World Health Organization to affect close to 300 million individuals worldwide.

Immunology:

In immunology, we are designing and developing highly potent and selective, oral small molecule inhibitors for the treatment of inflammatory disease by targeting key mechanisms of immune response. Our initial focus has been on mechanisms involved in an overactive type 2 immune phenotype, which is the response of the immune system upon encountering infections or allergens. An overactive response is a primary driver of a number of inflammatory diseases.

Our initial immunology targets involve the following mechanisms of immune response:

The receptor tyrosine kinase, known as KIT, which is critical for regulating mast cell activity, a primary driver of inflammation in the skin and implicated in multiple allergic diseases; and
STAT6, a transcription factor uniquely responsible for interleukin-4 (IL-4)/interleukin-13 (IL-13) cell signaling, which drives a type 2 dominant phenotype and downstream inflammation.

These mechanisms are implicated, along with others, in several diseases, and it is not uncommon for an efficacious treatment for one disease to be tested and approved for other immunology indications. We currently plan to focus our initial immunology drug development proof-of-concept efforts on the following disease indications:

Chronic spontaneous urticaria, or CSU, a severely debilitating, chronic inflammatory skin disease manifested by hives, angioedema, which is swelling of soft tissues, or both, but with no identified triggers, which has an estimated global prevalence of between 0.5% – 1% of the population, resulting in approximately 1.75-3.5 million people with this condition at any given time in the U.S. alone; and

16


Atopic dermatitis, or AD, a chronic dermatological disease characterized by dry, red, inflamed, irritated and itchy skin with significant quality of life impacts such as leading a limited lifestyle, avoidance of social interactions and a reduced range of activities, with AD affecting 7.3% of the US adult population, of whom approximately 40% have moderate to severe disease.

As of March 31, 2025, we had $193.4 million in cash, cash equivalents and short-term marketable securities. We expect that our existing cash, cash equivalents, short-term marketable securities, as well as the cash flows from our retained portion of future HCV royalties and our $33.8 million federal tax refund received in April 2025, will enable us to fund our operating expenses and capital expenditure requirements into fiscal 2028.

Our Wholly-Owned Programs

Our primary wholly-owned research and development programs are in virology and immunology.

RSV. In virology, we have two clinical stage candidates for RSV – zelicapavir (formerly EDP-938) and EDP-323. Both of these compounds are replication inhibitors that work by shutting down replication and the production of new virions, as opposed to the other mechanism in development of fusion inhibition that only blocks viral entry. Zelicapavir, which has Fast Track designation from the U.S. Food and Drug Administration, or FDA, is a potent inhibitor of the RSV N-protein for both major subgroups of RSV, referred to as RSV-A and RSV-B. Zelicapavir is being studied in two Phase 2 studies, each in a different high risk patient population. EDP-323, which also has a Fast Track designation from the FDA, is an inhibitor of the RSV L-protein for both major subgroups of RSV that has recently completed a Phase 2 challenge study. We will evaluate potential partnership opportunities to advance our RSV programs to the next stage of clinical development.

Zelicapavir - N-protein Inhibitor Candidate: Zelicapavir is a once-daily, oral, direct-acting antiviral selectively targeting the N-protein that demonstrated statistically significant reductions in RSV viral load and symptoms in a human challenge model, Phase 2 clinical study. Zelicapavir was also tested in another Phase 2 exploratory study of otherwise healthy young adults (not at high-risk for serious outcomes with RSV) to understand viral response to treatment in community-acquired RSV infection. With these studies, zelicapavir has demonstrated a favorable safety profile, consistent with that observed in over 500 subjects exposed to zelicapavir to date. We believe that zelicapavir has the greatest potential to show optimal efficacy in high-risk populations since these patients have reduced RSV immunity, which manifests in a higher and longer duration of viral load and greater disease severity, allowing a bigger window to realize the full potential of zelicapavir. Based on its growing safety profile, we are continuing to evaluate zelicapavir in high-risk populations, including pediatric patients and high-risk adults, all of which have significant unmet need:
o
Pediatric Study of Zelicapavir: In December 2024, we announced positive topline results from the first-in-pediatrics Phase 2 randomized, double-blind, placebo-controlled study evaluating zelicapavir in approximately 90 hospitalized and non-hospitalized children aged 28 days to 36 months with RSV. This Phase 2 study was a randomized, double-blind, dose ranging, placebo-controlled study in hospitalized and non- hospitalized pediatric patients with RSV aged 28 days to 36 months. The first part of the study included dose ranging in two different age cohorts, focused on safety and pharmacokinetics (PK), and the second part of the study focused on virology outcomes from a single dose selected from the first part of the study.
Zelicapavir demonstrated a favorable safety profile over the initial 5-day dosing period and through 23 days of follow-up. There were no adverse effects leading to treatment discontinuation or study withdrawal.
Zelicapavir achieved target drug exposure levels across all age groups and dosing cohorts. Exposure was similar across cohorts and doses, and all patients received a therapeutic dose. A dose of 5 mg/kg was selected for patients aged ≥ 28 days to <12 months, and a dose of 7.5 mg/kg was selected for patients aged ≥12 months to ≤ 36 months.
An antiviral effect was observed for the primary and secondary virology endpoints in the overall pooled efficacy population, with the viral load decline peaking at 0.7 log on Day 9 compared to placebo. The primary endpoint for Part 2 of the study showed a more pronounced effect, with a viral load decline of 1.0 log at Day 3 and 1.4 log at Day 5 compared to placebo. Additionally, a rapid and robust antiviral effect was observed in the prespecified subset of patients who were randomized within 3 days of symptom onset, which represents about 40% of patients in the study (n=38/96). In these patients, a viral load decline of 0.9 log at Day 3 and 1.2 log at Day 5 was observed compared to placebo. Furthermore, zelicapavir treatment resulted in a greater proportion of patients having undetectable viral load at Days 5 and 9 compared to placebo and improvements in area under the curve (AUC) of change from baseline for viral load at all timepoints. Qualitative improvement in time to undetectable viral load was observed at early timepoints, although median time to undetectable viral load was similar between groups. Overall, virology results were similar regardless of age or whether patients were enrolled from a hospitalized or outpatient setting.

17


o
High-Risk Adults Study of Zelicapavir: We also have an ongoing Phase 2b study in high-risk adults, including those who are older than 65 years of age and those who have asthma, chronic obstructive pulmonary disease, or COPD, or congestive heart failure. Patients enrolled in the study are treated with zelicapavir or placebo for five days, and the primary endpoint is time to resolution of RSV lower respiratory tract disease symptoms. We recently met our target enrollment of 180 patients and we are continuing enrollment to capture the remainder of the Northern Hemisphere RSV season. Enrollment will complete before the end of May 2025, with topline data expected in late third quarter of 2025.
EDP-323 - L-protein Inhibitor Candidate: Our second clinical RSV candidate, EDP-323, is an oral, direct-acting antiviral selectively targeting the RSV L-protein, a viral RNA-dependent RNA polymerase enzyme that contains multiple enzymatic activities required for RSV replication. EDP-323 has sub-nanomolar potency against RSV-A and RSV-B in vitro and protected mice in a dose-dependent manner from RSV infection as demonstrated by both virological and pathological endpoints. EDP-323 is not expected to have cross-resistance to other classes of inhibitors and has the potential to be used alone, or in combination with other RSV mechanisms, to broaden the treatment window or addressable patient populations.
o
Phase 2a Study of EDP-323: In September 2024, we announced positive topline results for EDP-323 in a Phase 2a challenge study of healthy adults infected with RSV. Treatment with EDP-323 achieved highly statistically significant (p=<0.0001) reductions in both viral load and clinical symptoms compared to placebo. Overall, EDP-323 was generally well tolerated and demonstrated a favorable safety profile that was comparable to placebo over 5 days of dosing through Day 28 of follow-up. There were no serious adverse events and no discontinuations of EDP-323.

COVID-19. We leveraged our expertise in developing protease inhibitors to discover compounds specifically designed to target the SARS-CoV-2 virus and potentially other coronaviruses. We selected EDP-235, an oral inhibitor of the coronavirus 3CL protease, also referred to as 3CLpro or the main coronavirus protease, or Mpro, for clinical development. In addition to nanomolar activity against all SARS-CoV-2 variants tested to date, EDP-235 has potent antiviral activity against other human coronaviruses, enabling the potential for a pan-coronavirus treatment, including possibly coronaviruses that may infect human populations in the future. Furthermore, EDP-235 has good tissue distribution, and is projected to have four times higher drug levels in lung tissue compared to plasma.

SPRINT Study of EDP-235: In May 2023, we reported topline results from a Phase 2 clinical trial of EDP-235 in non-hospitalized, symptomatic patients with mild to moderate COVID-19 who were not at increased risk for developing severe disease, which was the only study population permitted by the FDA. EDP-235 met the primary endpoint of the trial and was generally safe and well-tolerated.
o
A dose-dependent improvement in total symptom score was observed with EDP-235 treatment compared to placebo, which achieved statistical significance (p<0.05) in the 400 mg treatment group at multiple time points, starting as early as one day after the first dose.
o
An analysis of a subset of six symptoms showed a two-day shorter time (5 days to 3 days) to improvement in patients receiving EDP-235 400 mg who were enrolled within three days of symptom onset (p<0.01).
o
No effect on virologic endpoints as measured in the nose was detected due to the rapid viral decline in the placebo arm of this highly immunologically-experienced, standard risk population.
o
In the subset of patients who were nucleocapsid seronegative (indicating no recent natural infection with SARS-CoV-2), a viral load decline was observed at day five in the 400 mg group of 0.8 log overall and 1 log in the patients with symptom onset within three days before treatment with EDP-235.

We will continue to focus on potential collaborations to progress EDP-235, as we will not advance this candidate into Phase 3 studies on our own.

Immunology. We are designing and developing highly potent and selective, oral, small molecule inhibitors targeting the following mechanisms of immune response:

KIT Inhibitors. We have a preclinical stage program to develop oral KIT inhibitors to treat CSU and potentially other indications by depleting mast cells, thereby addressing a primary driver of these diseases. We have discovered novel, potent and selective oral KIT inhibitors, which are in preclinical development. In the fourth quarter of 2024, we selected our lead development candidate, EPS-1421. This candidate demonstrates potent nanomolar activity in both binding and cellular function assays, with sub-nanomolar activity in vivo, and is highly selective for KIT versus other kinases. This inhibitor also demonstrates strong in vitro and in vivo absorption, distribution, metabolism and excretion (ADME) properties. We are conducting scale-up activities and IND-enabling studies for this program in 2025.

18


STAT6 Inhibitors. We have a discovery stage program to develop oral STAT6 inhibitors for the treatment of type 2 immune driven diseases, initially focusing on AD and potentially other indications by blocking the IL-4/IL-13 signaling pathway, thereby addressing a primary driver of these diseases. We have discovered novel, potent and selective oral STAT6 inhibitors, which are being optimized in the discovery stage. Our prototype inhibitors demonstrate nanomolar potency and high selectivity for STAT6 over other STATs in both biochemical and cellular assays, with good intrinsic permeability and oral bioavailability. Importantly, a prototype inhibitor resulted in complete inhibition of phosphorylated STAT6, or pSTAT6, in a mouse model, demonstrating in vivo STAT6 target engagement after a single dose with rapid and complete inhibition of pSTAT6. We are continuing to evaluate multiple compounds in preclinical studies, including toxicology studies, and conducting lead optimization activities. Our goal is to select a lead development candidate in the second half of 2025.
We plan to expand our presence in immunology with the introduction of a third program in 2025.

We have utilized our internal chemistry and drug discovery capabilities to generate all of our development-stage programs. We continue to invest substantial resources in research programs to discover compounds targeting new disease areas.

 

The following table summarizes our product development pipeline in our virology and immunology programs:

 

img217883449_0.jpg

*Fixed-dose antiviral combination contains glecaprevir and AbbVie's NS5A inhibitor, pibrentasvir. Marketed by AbbVie as MAVYRET® (U.S.) and MAVIRET® (ex-U.S.).

**Continued development dependent on a future collaboration

***Initial indications. Potential future indications include asthma, chronic inducible urticaria (CIndU), eosinophilic esophagitis (EoE), prurigo nodularis (PN) and others.

Our Royalty Revenue Collaboration and Royalty Sale Agreement

Our royalty revenue is generated through our Collaborative Development and License Agreement with AbbVie, under which we have discovered and out-licensed to AbbVie two protease inhibitor compounds that have been clinically tested, manufactured, and commercialized by AbbVie as part of its combination regimens for HCV.

Glecaprevir is the HCV protease inhibitor we discovered that was developed by AbbVie in a fixed-dose combination with its NS5A inhibitor, pibrentasvir, for the treatment of chronic HCV. This patented combination, currently marketed under the brand names MAVYRET® (U.S.) and MAVIRET® (ex-U.S.), is referred to in this report as MAVYRET/MAVIRET. The first protease inhibitor developed through this collaboration, paritaprevir, is part of AbbVie’s initial HCV regimens, which have been almost entirely replaced by MAVYRET/MAVIRET. Since August 2017, substantially all of our royalty revenue has been derived from AbbVie’s net sales of MAVYRET/MAVIRET. Our ongoing royalty revenues from this regimen consist of annually tiered, double-digit, per-product royalties on 50% of the calendar year net sales of the 2-DAA glecaprevir/pibrentasvir combination in MAVYRET/MAVIRET. The annual royalty tiers return to the lowest tier for sales on and after each January 1.

In April 2023, we entered into a royalty sale agreement with an affiliate of OMERS, a Canadian public employee pension fund, pursuant to which we were paid a $200.0 million cash purchase price in exchange for 54.5% of our future quarterly royalty payments on net sales of MAVYRET/MAVIRET, after June 30, 2023, through June 30, 2032, subject to a cap on aggregate payments to OMERS equal to 1.42 times the purchase price.

19


For accounting purposes, we continue to record 100% of HCV royalties earned under the AbbVie agreement as royalty revenue in our condensed consolidated statements of operations. The $200.0 million received in April 2023 was recognized on our condensed consolidated balance sheets as a liability, which will be reduced by the payments made to OMERS over the term of the Agreement. We recognize imputed interest expense over the life of the royalty sale agreement based on our estimated future MAVYRET/MAVIRET royalties.

Financial Operations Overview

We are currently funding all research and development for our wholly-owned programs, which are targeted toward the discovery and development of novel compounds. As of the date of this report, we are conducting a Phase 2b study of zelicapavir in high risk adults and have recently completed a Phase 2b study of zelicapavir in pediatric patients and a Phase 2a human challenge study of EDP-323. We are also conducting preclinical research and discovery efforts in the field of immunology.

As a result of the timing of our clinical and preclinical development programs, we expect our research and development expenses will fluctuate from period to period. However, in the next 12 months, we anticipate a reduction in our external research and development expenses, primarily driven by the completion of the Phase 2a human challenge study of EDP-323 and the Phase 2b study of zelicapavir in pediatric patients. These milestones, along with strategic adjustments, have positioned us to reduce spending in 2025 while maintaining our commitment to advancing key programs.

To date, we have funded our operations primarily through milestone and royalty payments received under our collaboration agreement with AbbVie, a $200.0 million payment received in April 2023 from our royalty sale agreement, and our existing cash, cash equivalents, and short-term marketable securities. We believe that our existing cash, cash equivalents and short-term marketable securities, as well as the cash flows from our retained portion of future HCV royalties and our $33.8 million federal tax refund received in April 2025, will enable us to fund our operating expenses and capital expenditure requirements into fiscal 2028.

Revenue

Our revenue is primarily derived from our collaboration agreement with AbbVie and AbbVie’s sales of MAVYRET/MAVIRET, an 8-week treatment regimen for chronic HCV.

The following table is a summary of revenue recognized for the three and six months ended March 31, 2025 and 2024:

 

 

Three Months Ended March 31,

 

 

Six Months Ended March 31,

 

 

 

2025

 

 

2024

 

 

2025

 

 

2024

 

 

 

(in thousands)

 

Revenue

 

 

 

 

 

 

 

 

 

 

 

 

Royalty revenue

 

$

14,926

 

 

$

17,054

 

 

$

31,885

 

 

$

35,057

 

Total revenue

 

$

14,926

 

 

$

17,054

 

 

$

31,885

 

 

$

35,057

 

AbbVie Agreement

To date, we have received annually tiered, double-digit royalties on our protease inhibitor product glecaprevir included in AbbVie’s net sales of MAVYRET/MAVIRET. Under the terms of our AbbVie Agreement, 50% of AbbVie’s net sales of MAVYRET/MAVIRET are allocated to glecaprevir. Beginning with each January 1, the cumulative net sales of MAVYRET/MAVIRET start at zero for purposes of calculating the tiered royalties. As disclosed above regarding the OMERS royalty sale agreement, we only retain 45.5% of the cash payments from royalties on net sales of MAVYRET/MAVIRET occurring after June 30, 2023 through June 30, 2032, subject to a cap on aggregate payments to OMERS equal to 1.42 times OMERS’ purchase price.

Internal Programs

As our internal product candidates are currently in Phase 1 or Phase 2 clinical development, we have not generated any revenue from our own product sales. We do not expect to generate any revenue from product sales derived from these product candidates for at least the next several years.

20


Operating Expenses

Our operating expenses are comprised of research and development expenses and general and administrative expenses.

Research and Development Expenses

Research and development expenses consist of costs incurred to conduct basic research, such as the discovery and development of novel small molecules as therapeutics, as well as any external expenses of preclinical and clinical development activities. We expense all costs of research and development as incurred. These expenses consist primarily of:

third-party contract costs relating to research, formulation, manufacturing, preclinical study, and clinical trial activities;
personnel costs, including salaries, related benefits, and stock-based compensation for employees engaged in scientific research and development functions;
allocated facility-related costs;
laboratory consumables; and
third-party license fees.

At any given time, we have later stage programs in clinical development as well as several active early-stage research and drug discovery projects. Our internal resources, employees and infrastructure are utilized across multiple projects, including our early-stage discovery projects. As such, we report information regarding costs incurred based on our programs (i.e., disease area) rather than on a project specific basis. All indirect costs are allocated to programs based on headcount and square footage of our facilities. We expect that our research and development expenses will fluctuate from period to period as we advance our research and development programs. However, in the next 12 months, we anticipate a reduction in our external research and development expenses, primarily driven by the completion of the Phase 2a human challenge study of EDP-323 and the Phase 2b study of zelicapavir in pediatric patients. These milestones, along with strategic adjustments, have positioned us to reduce spending in 2025 while maintaining our commitment to advancing key programs. To date, we have not identified any significant impact of inflation on spending in research and development, but it is uncertain whether there will be inflationary impacts, including as a result of tariffs, in future periods.

Our research and drug discovery and development programs are in early stages; therefore, the successful development of our product candidates is highly uncertain and may not result in approved products. Completion dates and completion costs can vary significantly for each product candidate and are difficult to predict. Given the uncertainty associated with clinical trial enrollments and the risks inherent in the development process, we are unable to determine the duration and completion costs of the current or future clinical trials of our product candidates or if, or to what extent, we will generate revenue from the commercialization and sale of any of our product candidates. We anticipate that we will make determinations as to which development programs to pursue and how much funding to direct to each program on an ongoing basis in response to the preclinical and clinical success and prospects of each product candidate, as well as ongoing assessments of the commercial potential of each product candidate.

General and Administrative Expenses

General and administrative expenses consist primarily of personnel costs, which include salaries, related benefits and stock-based compensation, of our executive, finance, business and corporate development and other administrative functions. General and administrative expenses also include travel expenses, allocated facility-related costs not otherwise included in research and development expenses, directors’ and officers’ liability insurance premiums, professional fees for auditing, tax, and legal services, patent expenses and litigation expenses associated with prosecuting our patent infringement suit.

We expect that general and administrative expenses may increase in the long term. To date we have not experienced a significant impact of inflation on general and administrative expenses, but we anticipate inflation may impact future periods.

Other Income (Expense)

Other income (expense) consists of interest expense, interest and investment income, net and the change in fair value of our outstanding Series 1 nonconvertible preferred stock. Interest expense consists of the interest expense and amortization of debt issuance costs associated with the royalty sale agreement with an affiliate of OMERS. Interest income consists of interest earned on our cash equivalents and marketable securities balances. Investment income consists of the amortization or accretion of any purchased premium or discount, respectively, on our marketable securities. The change in fair value of our Series 1 nonconvertible preferred stock relates to the remeasurement of these financial instruments from period to period as these instruments may require a transfer of assets because of the liquidation preference features of the underlying instrument.

Income Tax Benefit (Expense)

Income tax benefit (expense) is based on our best estimate of taxable net income (loss), applicable income tax rates, net research and development tax credits and carryforwards, net operating loss carrybacks and interest earned on such refunds, changes in valuation allowance estimates and deferred income taxes.

21


Results of Operations

Comparison of the Three Months Ended March 31, 2025 and 2024

 

 

Three Months Ended March 31,

 

 

 

2025

 

 

2024

 

 

 

(in thousands)

 

Revenue

 

$

14,926

 

 

$

17,054

 

Research and development

 

 

28,065

 

 

 

35,585

 

General and administrative

 

 

11,388

 

 

 

14,235

 

Interest expense

 

 

(1,714

)

 

 

(2,563

)

Interest and investment income, net

 

 

2,292

 

 

 

3,809

 

Income tax benefit

 

 

1,305

 

 

 

363

 

Net loss

 

$

(22,644

)

 

$

(31,157

)

Revenue

We recognized revenue of $14.9 million during the three months ended March 31, 2025 as compared to $17.1 million during the three months ended March 31, 2024. The $2.1 million decrease in revenue was primarily due to AbbVie’s lower reported HCV sales as compared to the comparable period in 2024.

Our royalty revenues eligible to be earned in the future will depend on AbbVie’s HCV market share, the pricing of the MAVYRET/MAVIRET regimen and the number of patients treated. In addition, at the beginning of each calendar year (the second quarter of our fiscal year), our royalty rate resets to the lowest tier for each of our royalty-bearing products licensed to AbbVie.

Beginning with the quarter ended September 30, 2023, 54.5% of our quarterly royalty payments on net sales of MAVYRET/MAVIRET that are included in our total revenue are paid to OMERS through June 30, 2032, subject to a cap on aggregate payments equal to 1.42 times the purchase price. The $200.0 million received in April 2023 was recognized on our condensed consolidated balance sheets as a liability which will be reduced by the payments made to OMERS over the term of the royalty sale agreement. We will continue to record 100% of HCV royalties earned under the AbbVie Agreement as royalty revenue in our condensed consolidated statements of operations since the AbbVie Agreement has not been amended and is independent of our agreement with OMERS.

Research and development expenses

 

 

Three Months Ended March 31,

 

 

 

2025

 

 

2024

 

 

 

(in thousands)

 

R&D programs:

 

 

 

 

 

 

Virology

 

 

 

 

 

 

RSV

 

$

17,794

 

 

$

25,707

 

COVID-19

 

 

286

 

 

 

732

 

HBV

 

 

26

 

 

 

106

 

Total Virology

 

$

18,106

 

 

$

26,545

 

Immunology

 

 

 

 

 

 

KIT

 

 

3,588

 

 

 

4,189

 

STAT6

 

 

3,705

 

 

 

484

 

Total Immunology

 

$

7,293

 

 

$

4,673

 

Other Programs

 

 

 

 

 

 

Early discovery

 

 

42

 

 

 

58

 

Other programs for out-licensing

 

 

2,624

 

 

 

4,309

 

Total Other Programs

 

$

2,666

 

 

$

4,367

 

.

 

 

 

 

 

 

Total research and development expenses

 

$

28,065

 

 

$

35,585

 

 

22


Research and development expenses for the three months ended March 31, 2025 decreased by $7.5 million compared to the same period in 2024.

Virology

The costs in our virology program decreased $8.4 million primarily due to the timing of clinical trials in our RSV program and to a lesser extent, a decrease in costs associated with our COVID-19 program as we stopped further internal development and will only progress the program in the context of one or more collaborations.

Immunology

The costs in our immunology programs increased by $2.6 million primarily due to the initiation of preclinical studies and lead optimization activities for our STAT6 program.

Other Programs

Other program costs decreased by $1.7 million primarily due to the completion of the discovery-stage activities related to our STAT6 program.

General and administrative expenses

General and administrative expenses decreased by $2.8 million for the three months ended March 31, 2025 compared to the same period in 2024. The change was primarily due to a decrease in legal expenses related to our patent infringement suit against Pfizer.

Other income (expense)

Changes in components of other income (expense) were as follows:

Interest expense

Interest expense decreased $0.8 million for the three months ended March 31, 2025, as compared to the same period in 2024 due to the paydown of our obligation associated with our royalty sale agreement entered into during April 2023 with an affiliate of OMERS.

Interest and investment income, net

Interest and investment income, net, decreased $1.5 million for the three months ended March 31, 2025, as compared to the same period in 2024. The decrease was due to lower cash and investment balances year over year.

Income tax benefit

The income tax benefit during the three months ended March 31, 2025 was primarily due to an additional federal income tax refund from a net operating loss carryback of $871. The income tax benefit during the three months ended March 31, 2024 related to interest recorded on our federal tax refund. We received $33.8 million in April 2025 related to our outstanding income tax receivable as of March 31, 2025.

Results of Operations

Comparison of the Six Months Ended March 31, 2025 and 2024

 

 

Six Months Ended March 31,

 

 

 

2025

 

 

2024

 

 

 

(in thousands)

 

Revenue

 

$

31,885

 

 

$

35,057

 

Research and development

 

 

55,721

 

 

 

71,956

 

General and administrative

 

 

24,234

 

 

 

30,753

 

Interest expense

 

 

(3,676

)

 

 

(6,004

)

Interest and investment income, net

 

 

5,091

 

 

 

8,107

 

Income tax benefit

 

 

1,721

 

 

 

985

 

Net loss

 

$

(44,934

)

 

$

(64,564

)

Revenue

We recognized revenue of $31.9 million during the six months ended March 31, 2025 as compared to $35.1 million during the six months ended March 31, 2024. The $3.2 million decrease in revenue was primarily due to AbbVie’s lower reported HCV sales as compared to the comparable period in 2024.

Research and development expenses

23


 

 

Six Months Ended March 31,

 

 

 

2025

 

 

2024

 

 

 

(in thousands)

 

R&D programs:

 

 

 

 

 

 

Virology

 

 

 

 

 

 

RSV

 

$

36,207

 

 

$

50,001

 

COVID-19

 

 

416

 

 

 

3,983

 

HBV

 

 

76

 

 

 

172

 

Total Virology

 

$

36,699

 

 

$

54,156

 

Immunology

 

 

 

 

 

 

KIT

 

 

7,845

 

 

 

8,120

 

STAT6

 

 

5,993

 

 

 

575

 

Total Immunology

 

$

13,838

 

 

$

8,695

 

Other Programs

 

 

 

 

 

 

Early discovery

 

 

124

 

 

 

426

 

Other programs for out-licensing

 

 

5,060

 

 

 

8,679

 

Total Other Programs

 

$

5,184

 

 

$

9,105

 

 

 

 

 

 

 

 

Total research and development expenses

 

$

55,721

 

 

$

71,956

 

Research and development expenses for the six months ended March 31, 2025 decreased by $16.2 million compared to the same period in 2024.

Virology

The costs in our virology program decreased $17.5 million primarily due to the timing of our clinical trials in our RSV program and to a lesser extent, a decrease in costs associated with our COVID-19 program as we stopped further internal development and will only progress the program in the context of one or more collaborations.

Immunology

The costs in our immunology programs increased by $5.1 million primarily due to the initiation of preclinical studies and lead optimization activities for our STAT6 program.

Other Programs

Other program costs decreased by $3.9 million primarily due to the completion of the discovery-stage activities related to our STAT6 program.

General and administrative expenses

General and administrative expenses decreased by $6.5 million for the six months ended March 31, 2025 compared to the same period in 2024. The change was primarily due to a decrease in legal expenses related to our patent infringement suit against Pfizer.

Other income (expense)

Changes in components of other income (expense) were as follows:

Interest expense

Interest expense decreased $2.3 million for the six months ended March 31, 2025, as compared to the same period in 2024 due to the paydown of our obligation associated with our royalty sale agreement entered into during April 2023 with an affiliate of OMERS.

Interest and investment income, net

Interest and investment income, net, decreased $3.0 million for the six months ended March 31, 2025, as compared to the same period in 2024. The decrease was due to lower cash and investment balances year over year.

Income tax benefit

The income tax benefit during the six months ended March 31, 2025 was primarily due to an additional federal tax refund from a net operating loss carryback of $871. The income tax benefit during the six months ended March 31, 2024 related to interest recorded on our federal tax refund. We received $33.8 million in April 2025 related to our outstanding income tax receivable as of March 31, 2025.

24


Liquidity and Capital Resources

We fund our operations with cash flows from our retained portion of our royalty revenue and our existing financial resources. At March 31, 2025, our principal sources of liquidity were cash and cash equivalents and short-term marketable securities of $193.4 million.

The following table shows a summary of our cash flows:

 

 

 

 

 

 

 

Six Months Ended March 31,

 

 

 

2025

 

 

2024

 

 

 

(in thousands)

 

Cash provided by (used in):

 

 

 

 

 

 

Operating activities

 

$

(30,289

)

 

$

(53,589

)

Investing activities

 

 

64,534

 

 

 

45,507

 

Financing activities

 

 

(11,873

)

 

 

(13,764

)

Net increase (decrease) in cash, cash equivalents and restricted cash

 

$

22,372

 

 

$

(21,846

)

 

Net cash used in operating activities

Cash used in operating activities was $30.3 million for the six months ended March 31, 2025 as compared to cash used in operating activities of $53.6 million for the same period in 2024. Our cash used in operating activities decreased $23.3 million primarily due to lower research and development payments, offset by lower cash receipts associated with our AbbVie agreement.

Net cash provided by investing activities

Cash provided by investing activities was $64.5 million for the six months ended March 31, 2025 as compared to cash provided by investing activities of $45.5 million for the same period in 2024. Our cash provided by investing activities increased $19.0 million, driven by the timing of maturities of marketable securities in 2025 compared to 2024.

Net cash used in financing activities

Cash used in financing activities was $11.9 million for the six months ended March 31, 2025 as compared to cash used in financing activities of $13.8 million for the same period in 2024. Our cash used in financing activities decreased $1.9 million, driven primarily by lower payments on our royalty sale agreement with OMERS.

Funding Requirements

As of March 31, 2025, we had $193.4 million in cash, cash equivalents and short-term marketable securities. We believe that our existing cash, cash equivalents and short-term marketable securities as of March 31, 2025, as well as our $33.8 million federal tax refund received in April 2025 and our retained portion of future HCV royalties, will enable us to fund our operating expenses and capital expenditure requirements into fiscal 2028. However, our projection of the period of time through which our financial resources will be adequate to support our operations is a forward-looking statement that involves risks and uncertainties, and actual results could vary materially.

Our future capital requirements are difficult to forecast and will depend on many factors, including:

the number and characteristics of our research and development programs;
the scope, progress, results and costs of researching and developing our product candidates on our own, including conducting advanced clinical trials;
our ability to establish new collaborations, licensing or other arrangements, if any, and the financial terms of such arrangements;
the amount of our retained portion of royalties generated from MAVYRET/MAVIRET sales under our existing collaboration with AbbVie;
delays and additional expenses in our clinical trials;
the cost of manufacturing our product candidates for clinical development and any products we successfully commercialize independently;
opportunities to in-license or otherwise acquire new technologies and therapeutic candidates;

25


costs associated with prosecuting our patent infringement suit regarding use of a coronavirus 3CL protease inhibitor in Paxlovid, Pfizer's antiviral treatment for COVID-19;
the timing of, and the costs involved in, obtaining regulatory approvals for any product candidates we develop independently;
the cost of commercialization activities, if any, of any product candidates we develop independently that are approved for sale, including marketing, sales and distribution costs;
the timing and amount of any sales of our product candidates, if any, or royalties thereon;
the costs involved in preparing, filing, prosecuting, maintaining, defending and enforcing patents, including any litigation costs and the outcomes of any such litigation; and
potential fluctuations in foreign currency exchange rates.

Off-Balance Sheet Arrangements

We do not engage in any off-balance sheet financing activities. We do not have any interest in entities referred to as variable interest entities, which include special purpose entities and other structured finance entities.

Contractual Obligations and Commitments

Facility Leases

As of the date of this report, we lease space in Watertown, Massachusetts, under two separate lease agreements with one landlord.

In May 2022, we entered into a ten-year lease for new laboratory and office space in Watertown, Massachusetts, adjacent to our 400 Talcott Avenue premises at Arsenal on the Charles at 4 Kingsbury Avenue since our lease for office and laboratory space at 500 Arsenal Street was to expire on September 1, 2027. The construction of the facility shell was completed and we gained access to the building to construct tenant improvements during the three months ended March 31, 2024. Upon gaining access to the 4 Kingsbury Avenue building, we capitalized a right-of-use asset and lease liability of approximately $32 million on our consolidated balance sheets which reflects our fixed base rent payments, net of approximately $15 million of a tenant improvement allowance provided by the landlord, over the 10-year term of the lease. The 4 Kingsbury Avenue lease ends on September 30, 2034.

In conjunction with the commencement of our lease at 4 Kingsbury Avenue, during the three months ended March 31, 2024, we adjusted our 500 Arsenal Street lease liability to shorten the expiration date from September 2027 to the date the 4 Kingsbury Avenue building became ready for our occupancy. This resulted in a decrease in the lease liability and right-of-use asset on our consolidated balance sheets by approximately $9.0 million. The rent commencement date for our 4 Kingsbury Avenue lease was September 12, 2024, and we moved into the space in November 2024, at which time our lease at 500 Arsenal Street expired.

The second lease for office space located at 400 Talcott Avenue commenced on September 24, 2018 for a term of six years. In May 2022, we amended this lease to expand the rented space and extend the lease term through June 1, 2034. We spent approximately $6.3 million in capital expenditures for the additional space, which primarily relate to tenant improvements. We received a tenant improvement allowance from the landlord of $2.5 million. In July 2024, we amended our lease agreement to confirm alignment with the lease end date of our 4 Kingsbury Avenue lease at September 30, 2034.

Total estimated minimum lease payments for the next 5 years and thereafter under our existing facility and leased equipment agreements are $4.6 million for the remainder of 2025, $8.5 million in 2026, $8.7 million in 2027, $9.0 million in 2028, $9.3 million in 2029, and $50.6 million thereafter.

OMERS Agreement

In April 2023, we entered into a royalty sale agreement with an affiliate of OMERS, pursuant to which we were paid a $200.0 million cash purchase price in exchange for 54.5% of our future quarterly royalty payments on net sales of MAVYRET/MAVIRET after June 30, 2023, through June 30, 2032, subject to a cap on aggregate payments equal to 1.42 times the purchase price.

The $200.0 million received in April 2023 was recognized on our condensed consolidated balance sheets as a liability which will be reduced by the payments made to OMERS over the term of the Agreement.

26


Critical Accounting Policies

Our condensed consolidated financial statements are prepared in accordance with accounting principles generally accepted in the United States of America. The preparation of our condensed consolidated financial statements and related disclosures requires us to make estimates and assumptions that affect the reported amount of assets, liabilities, revenue, costs and expenses, and related disclosures. We evaluate our estimates and assumptions on an ongoing basis. Our actual results may differ from these estimates under different assumptions and conditions. See our 2024 Form 10-K for information about our critical accounting policies as well as a description of our other significant accounting policies. There have been no significant changes to our critical accounting policies since the beginning of this fiscal year.

Recently Issued Accounting Pronouncements

A description of recently issued accounting pronouncements that may potentially impact our financial position and results of operations is set forth in Note 2 to the condensed consolidated financial statements included in this Form 10-Q.

27


ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

During the six months ended March 31, 2025, there were no material changes to our market risk disclosures as set forth in Part II, Item 7A “Quantitative and Qualitative Disclosures About Market Risk” in our Annual Report on Form 10-K for the fiscal year ended September 30, 2024.

ITEM 4. CONTROLS AND PROCEDURES

Disclosure Controls and Procedures and Internal Control over Financial Reporting

Evaluation of Disclosure Controls and Procedures.

Our management, with the participation of the principal executive officer and principal financial officer, has evaluated the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended, or the Exchange Act), as of the end of the period covered by this quarterly report. Based on this evaluation, the principal executive officer and principal financial officer concluded that these disclosure controls and procedures are effective and designed to ensure that the information required to be disclosed in our reports filed or submitted under the Exchange Act is recorded, processed, summarized and reported within the requisite time periods.

Changes in Internal Control Over Financial Reporting.

There were no changes in our internal control over financial reporting that occurred during the quarter ended March 31, 2025 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

PART II —OTHER INFORMATION

 

ITEM 1. LEGAL PROCEEDINGS

Information with respect to legal proceedings is included in Note 12 of the Notes to the Unaudited Condensed Consolidated Financial Statements contained in Part I, Item 1 of this Quarterly Report on Form 10-Q, which is incorporated herein by reference.

 

ITEM 1A. RISK FACTORS

Our business faces significant risks and uncertainties. Certain factors may have a material adverse effect on our business prospects, financial condition and results of operations, and you should carefully consider them. Accordingly, in evaluating our business, we encourage you to consider the detailed discussion of risk factors included in our 2024 Form 10-K.

There have been no material changes to such risk factors during the quarter ended March 31, 2025. Other events that we do not currently anticipate or that we currently deem immaterial may also affect our business, prospects, financial condition and results of operations.

ITEM 5. OTHER INFORMATION

Rule 10b5-1 Trading Arrangements. During the three months ended March 31, 2025, no director or officer (as defined in Rule 16a-1(f) under the Exchange Act) of the Company adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-rule 10b5-1 trading arrangement,” as each term is defined in item 408(a) of Regulation S-K.

28


ITEM 6. EXHIBITS

 

 

 

 

 

Incorporated by Reference

 

 

Exhibit

Number

 

Exhibit Description

 

Form

 

Date

 

Exhibit

Number

 

File Number

 

Filed

Herewith

 

 

 

 

 

 

 

 

 

 

 

 

 

3.1

 

Restated Certificate of Incorporation of Enanta Pharmaceuticals, Inc.

 

8-K

 

03/28/2013

 

3.1

 

001-35839

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.2

 

Amended and Restated Bylaws of Enanta Pharmaceuticals, Inc. (as amended and restated in August 2015)

 

8-K

 

08/18/2015

 

3.2

 

001-35839

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10.1

 

2019 Equity Incentive Plan (as amended March 2025)

 

8-K

 

03/17/2025

 

10.1

 

001-35839

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

31.1

 

Certification of the Chief Executive Officer pursuant to Rule 13a-14(a) or 15d-14(a) of the Securities Exchange Act of 1934.

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

31.2

 

Certification of Chief Financial Officer pursuant to Rule 13a-14(a) or 15d-14(a) of the Securities Exchange Act of 1934.

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

32.1

 

Certification of the Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

101.INS

 

XBRL Instance Document - The instance document does not appear in the interactive data file because its XBRL tags are embedded within the inline XBRL document

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

101.SCH

 

Inline XBRL Taxonomy Extension Schema with embedded Linkbases document

 

 

 

 

 

 

 

 

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

104

 

 

 

 

 

 

Cover Page Interactive Data File (formatted as Inline XBRL with applicable Taxonomy Extension information contained in Exhibit 101).

 

 

 

 

 

 

 

 

 

X

 

29


ENANTA PHARMACEUTICALS, INC.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

 

ENANTA PHARMACEUTICALS, INC.

 

 

 

Date: May 14, 2025

 

 

 

 

 

 

/s/ Paul J. Mellett

 

 

Paul J. Mellett

Chief Financial and Administrative Officer

(Principal Financial and Accounting Officer)

 

30