ACNB CORP — Director's Dealing 2026

Mar 17, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ACNB CORP (ACNB)
CIK: 0000715579
Period of Report: 2026-03-13

Reporting Person: Seibel Donald Arthur Jr (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-03-13	ACNB Corporation Common	A	296.2085	$46.42	Acquired	6464.912	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
ACNB Corporation Common	12712.658	Indirect

Footnotes

F1: The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).

F2: The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.

F3: This amount includes shares of common stock purchased for the same transaction date through the automatic reinvestment of dividends under the ACNB Corporation Dividend Reinvestment and Stock Purchase Plan, which are exempt from the reporting requirements of Section 16 of the Securities Exchange Act of 1934.