ACNB Form 4: Director equity grant of 175.66 shares valued $44.83

Rhea-AI Filing Summary

Insider transaction disclosure: Alexandra C. Chiaruttini, a director of ACNB Corporation (ACNB), received 175.6636 shares of ACNB common stock as director compensation tied to a transaction dated 09/15/2025 (deemed execution 09/16/2025) at a per-share value of $44.83. After the reported transaction, Ms. Chiaruttini beneficially owned 2,500.7245 shares in total. The filing notes the execution date was determined under SEC Rule 16a-3 and that the shares reflect director compensation; the total includes shares purchased via automatic dividend reinvestment under ACNB's Dividend Reinvestment and Stock Purchase Plan which are exempt from Section 16 reporting.

Positive

• Director received equity compensation, aligning management and shareholder interests through ownership
• Filing clarifies exempt dividend reinvestment shares, improving transparency about which holdings were reported

Negative

• None.

Insights

Financial Analyst

TL;DR: Routine director compensation resulted in a modest increase in insider holdings; transaction is informational, not materially market-moving.

The report shows a non-derivative acquisition of 175.6636 shares at $44.83 as compensation for service, raising the director's beneficial ownership to 2,500.7245 shares. This is a standard equity-based compensation event and includes shares from automatic dividend reinvestment that are exempt from Section 16 reporting. The size of the grant relative to typical institutional holdings appears small and is unlikely to materially affect company valuation or control.

Corporate Governance Expert

TL;DR: A director received equity compensation consistent with common governance practices; disclosure aligns with Rule 16 reporting requirements.

The Form 4 properly discloses an award used to compensate a director for service, with execution dated per SEC Rule 16a-3(g). Inclusion of dividend reinvestment amounts clarifies which shares are exempt from Section 16 reporting. This transaction appears to follow routine director compensation policies and maintains transparency around insider ownership changes.

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

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

1. Name and Address of Reporting Person^*

Chiaruttini Alexandra C

(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)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2025

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	09/15/2025	09/16/2025(1)	A		175.6636(2)	A	$44.83	2,500.7245(3)	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. 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:

	Kevin J. Hayes as POA for Alexandra C. Chiaruttini	09/17/2025
	** 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 transaction did ACNB director Alexandra Chiaruttini report on Form 4?

The Form 4 reports acquisition of 175.6636 shares of ACNB common stock dated 09/15/2025 (deemed execution 09/16/2025) as director compensation at a value of $44.83 per share.

How many ACNB shares does Alexandra Chiaruttini beneficially own after the transaction?

Following the reported transaction, Ms. Chiaruttini beneficially owned 2,500.7245 shares of ACNB common stock.

Were any shares excluded from Section 16 reporting?

Yes. The filing states the total includes shares purchased through automatic dividend reinvestment under ACNB's Dividend Reinvestment and Stock Purchase Plan, which are exempt from Section 16 reporting.

Was this Form 4 filing amended or filed by multiple reporting persons?

The filing indicates it is a Form 4 filed by one reporting person and does not show an amendment date.

Who signed the Form 4 on behalf of the reporting person?

The Form 4 was signed by Kevin J. Hayes as Power of Attorney for Alexandra C. Chiaruttini on 09/17/2025.