ACNB Corp (ACNB) EVP granted 3,277 shares with tax withholding

Rhea-AI Filing Summary

ACNB CORP executive Laurie A. Laub received a stock grant and related tax withholding. On March 13, 2026, Laub was awarded 3,277.5959 shares of ACNB Corporation Common at $46.42 per share as a variable equity award, increasing her direct holdings to 18,066.9718 shares.

A portion of this award, 373.8641 shares at $46.42 per share, was withheld by ACNB and/or ACNB Bank to cover tax liabilities on the vested portion of the grant. After this withholding, Laub directly owned 17,693.1077 shares. The filing notes that the executive did not sell these shares; the disposition was solely for tax payment.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Laub Laurie A

Role Insider

Type	Security	Shares	Price	Value
Grant/Award	ACNB Corporation Common	3,277.596	$46.42	$152K
Tax Withholding	ACNB Corporation Common	373.864	$46.42	$17K

Holdings After Transaction: ACNB Corporation Common — 18,066.972 shares (Direct)

Footnotes (1)

1. The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4). One-third (1/3) of this Variable Equity Award, granted in the form of restricted stock under the ACNB Bank Variable Compensation Plan and pursuant to the ACNB Corporation 2018 Omnibus Stock Incentive Plan, is 100% vested as of the Grant Date of March 13, 2026, with the next one-third (1/3) 100% vested as of January 1, 2027, and the final one-third (1/3) 100% vested as of January 1, 2028 The shares disposed were withheld by the Issuer and/or its subsidiary ACNB Bank for payment of the tax liability by withholding of securities, on the first one-third (1/3) vested as of the Grant Date of March 13, 2026, in accordance with SEC Rule 16b-1. For clarification, the executive did not sell the shares.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Laub Laurie A

(Last) (First) (Middle)

16 LINCOLN SQUARE

(Street)

GETTYSBURG PA 17325

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ACNB CORP [ ACNB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
	Officer (give title below)	X	Other (specify below)
			ACNB Bank EVP

3. Date of Earliest Transaction (Month/Day/Year)
03/13/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
ACNB Corporation Common	03/13/2026	03/16/2026(1)	A		3,277.5959(2)	A	$46.42	18,066.9718	D
ACNB Corporation Common	03/13/2026	03/16/2026(1)	F		373.8641(3)	D	$46.42	17,693.1077	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

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

2. One-third (1/3) of this Variable Equity Award, granted in the form of restricted stock under the ACNB Bank Variable Compensation Plan and pursuant to the ACNB Corporation 2018 Omnibus Stock Incentive Plan, is 100% vested as of the Grant Date of March 13, 2026, with the next one-third (1/3) 100% vested as of January 1, 2027, and the final one-third (1/3) 100% vested as of January 1, 2028

3. The shares disposed were withheld by the Issuer and/or its subsidiary ACNB Bank for payment of the tax liability by withholding of securities, on the first one-third (1/3) vested as of the Grant Date of March 13, 2026, in accordance with SEC Rule 16b-1. For clarification, the executive did not sell the shares.

Remarks:

	/s/ Laurie A. Laub	03/17/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did ACNB (ACNB) report for Laurie A. Laub?

ACNB reported that executive Laurie A. Laub received a stock grant of 3,277.5959 ACNB Corporation Common shares at $46.42 per share. Part of this award was then withheld in shares to cover tax liabilities on the vested portion of the grant.

How many ACNB shares did Laurie A. Laub receive and at what price?

Laurie A. Laub received 3,277.5959 shares of ACNB Corporation Common at $46.42 per share as a variable equity award. This grant was made under ACNB’s compensation plans and represents stock-based compensation rather than an open-market stock purchase.

Were any ACNB (ACNB) shares sold by Laurie A. Laub in this Form 4?

No, the filing states the executive did not sell shares. Instead, 373.8641 shares were withheld by ACNB and/or ACNB Bank at $46.42 per share to pay tax liabilities on the vested portion of the stock award, a non-market transaction.

What is Laurie A. Laub’s ACNB share ownership after these transactions?

After the March 13, 2026 grant and related tax withholding, Laurie A. Laub directly owned 17,693.1077 shares of ACNB Corporation Common. This reflects the net result of receiving 3,277.5959 shares and 373.8641 shares withheld for tax obligations on the vested portion.

How is the ACNB stock award to Laurie A. Laub structured over time?

The variable equity award vests over three installments. One-third is 100% vested as of March 13, 2026, with the next one-third 100% vested on January 1, 2027, and the final one-third 100% vested on January 1, 2028, subject to the stated plans.

Why were some of Laurie A. Laub’s ACNB shares classified as a disposition?

The 373.8641-share disposition reflects tax withholding, not a market sale. ACNB and/or ACNB Bank withheld these shares to pay tax liabilities on the vested portion of the award, consistent with SEC Rule 16b-1, while the executive retained the remaining shares.