Douglas A. Seibel - 01 Jan 2026 Form 4 Insider Report for ACNB CORP (ACNB)

Role: ACNB Bank EVP
Signature: /s/ Douglas A. Seibel
Issuer symbol: ACNB
Transactions as of: 01 Jan 2026
Net transactions value: -$34,950
Form type: 4
Filing time: 05 Jan 2026, 13:36:24 UTC
Previous filing: 04 Feb 2026
Next filing: 17 Mar 2026
SEC: View on sec.gov

Quoteable Key Fact

"Douglas A. Seibel filed Form 4 for ACNB CORP (ACNB) on 05 Jan 2026."

Quick Takeaways

This page summarizes Douglas A. Seibel's Form 4 filing for ACNB CORP (ACNB).
1 reported transaction and 0 derivative rows are listed below.
Filing timestamp: 05 Jan 2026, 13:36.

What Changed

Previous filing in this sequence was filed on 04 Feb 2026.
Current net transaction value: -$34,950.

Why This Matters

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Official SEC Source

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

See Original Filing

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Seibel Douglas A	ACNB Bank EVP	16 LINCOLN SQUARE, GETTYSBURG	/s/ Douglas A. Seibel	05 Jan 2026	0001708277

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ACNB	ACNB Corporation Common	Tax liability	$34,950	-724	-3.7%	$48.30	18,750	01 Jan 2026	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).
F2	The shares disposed were withheld by the Issuer and/or its subsidiary ACNB Bank for payment of the tax liability on restricted shares previously awarded on March 15, 2024 and March 14, 2025, under the ACNB Bank Variable Compensation Plan and pursuant to the ACNB Corporation 2018 Omnibus Stock Incentive Plan, that vested on January 1, 2026, in accordance with SEC Rule 16b-3. For clarification, the executive did not sell the shares.

Content

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

The shares disposed were withheld by the Issuer and/or its subsidiary ACNB Bank for payment of the tax liability on restricted shares previously awarded on March 15, 2024 and March 14, 2025, under the ACNB Bank Variable Compensation Plan and pursuant to the ACNB Corporation 2018 Omnibus Stock Incentive Plan, that vested on January 1, 2026, in accordance with SEC Rule 16b-3. For clarification, the executive did not sell the shares.