ACNB CORP (ACNB) CEO granted stock award; shares withheld for tax

Rhea-AI Filing Summary

ACNB CORP President & CEO James Helt received a stock award and had shares withheld for taxes. On March 13, 2026, he was granted 8,419.4313 shares of ACNB Corporation Common at $46.42 per share as a compensation-related award, increasing his direct holdings.

On the same date, 799.5653 shares were disposed through withholding by ACNB and/or ACNB Bank to cover tax liabilities on the vested portion of the award; the executive did not sell these shares. After these transactions, he directly owned 46,711.9842 shares. The award vests in three equal parts through January 1, 2028.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider HELT JAMES

Role President & CEO

Type	Security	Shares	Price	Value
Grant/Award	ACNB Corporation Common	8,419.431	$46.42	$391K
Tax Withholding	ACNB Corporation Common	799.565	$46.42	$37K

Holdings After Transaction: ACNB Corporation Common — 47,511.55 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
Estimated average burden
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^*

HELT JAMES

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President & CEO

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		8,419.4313(2)	A	$46.42	47,511.5495	D
ACNB Corporation Common	03/13/2026	03/16/2026(1)	F		799.5653(3)	D	$46.42	46,711.9842	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/ James P. Helt	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 transactions did ACNB (ACNB) report for President & CEO James Helt?

ACNB reported a stock award and tax withholding for President & CEO James Helt. He received 8,419.4313 shares of ACNB Corporation Common and had 799.5653 shares withheld to cover tax liabilities on the vested portion of the award.

How many ACNB Corporation shares were granted to CEO James Helt and at what price?

James Helt was granted 8,419.4313 shares of ACNB Corporation Common. The grant is recorded at a price of $46.42 per share. This represents a compensation-related stock award rather than an open-market purchase of shares by the executive.

Were any ACNB (ACNB) shares sold on the open market in this Form 4 filing?

No open-market sales occurred. The filing shows 799.5653 shares were disposed solely through withholding by ACNB and/or ACNB Bank to pay tax liabilities on the vested portion of the award, and the footnote clarifies the executive did not sell these shares.

What is the vesting schedule for James Helt’s ACNB stock award?

The award vests in three equal parts. One-third was fully vested on the March 13, 2026 grant date, the next one-third fully vests on January 1, 2027, and the final one-third fully vests on January 1, 2028, under the company’s compensation plans.

How many ACNB shares does CEO James Helt own after these transactions?

After the reported transactions, James Helt directly owns 46,711.9842 shares of ACNB Corporation Common. This total reflects both the grant of 8,419.4313 shares and the withholding of 799.5653 shares for tax purposes related to the vested portion of the award.

What do the A and F transaction codes mean in ACNB’s Form 4 for James Helt?

Code A indicates a grant, award, or other acquisition of shares, which here is a restricted stock award. Code F indicates shares withheld to pay tax liabilities or exercise costs. In this filing, F covers 799.5653 shares withheld for taxes, not a market sale by the executive.