ACNB director receives routine stock grant

Herring Todd L reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Herring Todd L reported acquisition or exercise transactions in this Form 4 filing.

ACNB CORP director Todd L. Herring received a stock grant of 296.2085 shares of ACNB Corporation Common at $46.42 per share as compensation for service on the board. This award was made under a director compensation plan and is not an open-market purchase.

After the grant, he holds 10,657.2524 shares directly, plus indirect holdings of 1,170.0707 shares through a trust and 1,052 shares held by his spouse, reflecting a routine equity-based compensation event for a board member.

Insider Trade Summary

Grant/Award: 296.2085 shares

Grant/Award 3 txns

Insider Herring Todd L

Role Director

Type	Security	Shares	Price	Value
Grant/Award	ACNB Corporation Common	296.2085	$46.42	$14K
holding	ACNB Corporation Common	--	--	--
holding	ACNB Corporation Common	--	--	--

Holdings After Transaction: ACNB Corporation Common — 10,657.2524 shares (Direct); ACNB Corporation Common — 1,170.0707 shares (Indirect, Trust); ACNB Corporation Common — 1,052 shares (Indirect, Spouse)

Footnotes (3)

1. F1. The date of execution was determined in accordance with SEC Rule 16a-3(g)(2) and (g)(4).
2. F2. The shares represent stock received as compensation for service as a director pursuant to a director compensation plan.
3. 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did ACNB (ACNB) director Todd L. Herring report?

Todd L. Herring reported receiving a grant of 296.2085 ACNB Corporation Common shares at $46.42 per share. The award was issued as stock compensation for his service as a director under a director compensation plan, rather than through an open-market purchase.

Was the ACNB (ACNB) insider grant to Todd L. Herring an open-market stock purchase?

No, the 296.2085-share transaction was a stock grant, not an open-market purchase. Footnotes state the shares were received as compensation for board service under a director compensation plan, distinguishing it from discretionary buying in the market by the director.

How many ACNB (ACNB) shares does Todd L. Herring hold after this Form 4 filing?

Following the grant, Todd L. Herring holds 10,657.2524 ACNB Corporation Common shares directly. He also has indirect holdings reported as 1,170.0707 shares held by a trust and 1,052 shares held by his spouse, according to the ownership details in the filing.

What do the footnotes in Todd L. Herring’s ACNB (ACNB) Form 4 explain?

The footnotes explain the execution date determination under SEC Rule 16a-3 and state the shares were received as director compensation. They also note that the reported amount includes shares acquired via automatic dividend reinvestment, which are exempt from standard Section 16 reporting requirements.

How is dividend reinvestment reflected in Todd L. Herring’s ACNB (ACNB) holdings?

One footnote states the reported amount includes shares bought through automatic dividend reinvestment under ACNB Corporation’s Dividend Reinvestment and Stock Purchase Plan. These reinvested shares are exempt from Section 16 reporting but are still included in the post-transaction share totals disclosed.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/17/2026 - 11:39 AM Learn about SEC filing dates

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^*

Herring Todd L

(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
	Officer (give title below)	X	Other (specify below)
			Vice Chairman of the Board

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		296.2085(2)	A	$46.42	10,657.2524(3)	D
ACNB Corporation Common								1,170.0707(3)	I	Trust
ACNB Corporation Common								1,052	I	Spouse

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

3. 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.

Remarks:

	/s/ Kevin J. Hayes as POA for Todd L. Herring	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.
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