ACNB CORP

For the period ended Sep 30, 2026. Filed Nov 5, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Nov 5, 2026

ACNB$66.79+0.2%Stored close · as of Nov 10, 2026

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Unregistered Sales of Equity Securities and Use of Proceeds

ITEM 2 – UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

On April 29, 2026, the Corporation announced that the Board of Directors approved a plan to repurchase, in open market transactions at prevailing market prices, up to 310,000 shares, or approximately 3%, of the outstanding shares of ACNB’s common stock. This common stock repurchase program replaced and superseded any and all earlier announced repurchase plans. During the three and nine months ended September 30, 2026, the Corporation repurchased 11,288 and 67,596 shares, respectively, under this plan.

On June 18, 2025, the Corporation announced that the Board of Directors approved a plan to repurchase, in open market transactions at prevailing market prices, up to 314,000 shares, or approximately 3%, of the outstanding shares of ACNB’s common stock. There were 116,929 shares purchased under this plan through December 31, 2025. During the three and six months ended June 30, 2026 the Corporation repurchased 123,099 and 197,071 shares, respectively, which completed this plan.

The following is a summary of the Corporation’s purchases of common stock during the third quarter of 2026:

	Total number of shares purchased	Average price paid per share	Total number of shares purchased as part of publicly announced plan	Maximum number of shares that may yet be purchased under the plan
July 1 - July 31, 2026	—	$—	56,308	253,692
August 1 - August 31, 2026	1,663	$64.58	57,971	252,029
September 1 - September 30, 2026	9,625	$65.08	67,596	242,404

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