acnb-20250617

Pennsylvania

1-35015

23-2233457

(State or other

jurisdiction of

incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)


16 Lincoln Square, Gettysburg, PA						17325
(Address of principal executive offices)						(Zip Code)

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 (see General Instruction A.2. below):

☐ 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).

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. ☐


Title Of Each Class	Trading Symbol(s)	Name Of Each Exchange On Which Registered
Common Stock, $2.50 par value per share	ACNB	The NASDAQ Stock Market, LLC

On June 17, 2025, the Board of Directors of ACNB Corporation (the “Corporation”) approved a plan to repurchase, in open market transactions, up to 314,000, or approximately 3.0%, of the outstanding shares of the Corporation’s common stock. This new common stock repurchase program replaces and supersedes any and all earlier announced repurchase plans.

A copy of the press release announcing this action by the ACNB Corporation Board of Directors is attached hereto as Exhibit 99.1 and is incorporated herein by reference. The information furnished under this Item 8.01 of this Current Report on Form 8-K shall not be deemed to be filed for purposes of the Securities Exchange Act of 1934.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Current Report on Form 8-K to be signed on its behalf by the undersigned, thereunto duly authorized.


		ACNB CORPORATION (Registrant)

Dated:	June 18, 2025	/s/ Kevin J. Hayes
		Kevin J. Hayes
		Senior Vice President/
		General Counsel, Secretary & Chief Governance Officer


			717.334.3161
(Registrant’s telephone number, including area code)