UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 30, 2026

Walker & Dunlop, Inc.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (301) 215-5500

Not applicable

(Former name or former address if changed since last report.)
Securities registered pursuant to Section 12(b) of the Act:

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

¨ 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.

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On September 30, 2026, Stephen P. Theobald, Executive Vice President and Chief Operating Officer notified Walker & Dunlop, Inc. (the “Company”), that he will retire from the Company, effective March 31, 2027, on which date he will cease to serve as an officer and employee of the Company. Mr. Theobald’s duties and responsibilities as Executive Vice President and Chief Operating Officer will be divided among other employees of the Company.

Mr. Theobald has confirmed that his decision to retire is not the result of any disagreement with the Company on any matter relating to the Company’s operations, policies or practices. Mr. Theobald will continue to serve as Executive Vice President and Chief Operating Officer of the Company until his retirement.

SIGNATURES

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 hereunto duly authorized.