ACNB Corp (ACNB) EVP Brett Fulk sells 1,486 shares at $48.52

Rhea-AI Filing Summary

ACNB Corp executive Brett D. Fulk reported selling 1,486.1282 shares of ACNB Corporation Common stock on January 26, 2026, at a price of $48.5181 per share. Fulk, who serves as ACNB Bank EVP, now holds 1,047.5187 shares directly following this transaction.

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).

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^*

FULK BRETT D

(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)
01/26/2026

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	01/26/2026		S		1,486.1282	D	$48.5181	1,047.5187	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:

Remarks:

	/s/ Brett D. Fulk	01/27/2026
	** 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 Brett D. Fulk?

ACNB reported that Brett D. Fulk executed a sale of ACNB Corporation Common shares. On January 26, 2026, he sold 1,486.1282 shares at $48.5181 per share, as disclosed in a Form 4 insider trading report filed under Section 16 regulations.

How many ACNB shares did Brett D. Fulk sell and at what price?

Brett D. Fulk sold 1,486.1282 shares of ACNB Corporation Common stock. The reported sale price was $48.5181 per share. This transaction was recorded as a code "S" sale in the Form 4, indicating an open market or private sale of non-derivative shares.

What is Brett D. Fulk’s remaining ACNB share ownership after this sale?

After the reported transaction, Brett D. Fulk directly owns 1,047.5187 shares of ACNB Corporation Common. This post-transaction holding is disclosed in the Form 4 under the column for securities beneficially owned following the reported transaction, with ownership form identified as direct.

What is Brett D. Fulk’s relationship to ACNB and ACNB Bank?

Brett D. Fulk is identified as an "Other" reporting person with the title ACNB Bank EVP. This indicates he is an executive vice president at ACNB Bank, a subsidiary-related role to ACNB Corp, and his insider status requires reporting transactions on Form 4.

What type of security did Brett D. Fulk trade in the ACNB Form 4 filing?

The transaction involved ACNB Corporation Common stock, categorized as a non-derivative security. The Form 4 shows activity only in Table I for common shares, with no derivative securities such as options or warrants reported in Table II for this particular filing.

Were any derivative securities reported for Brett D. Fulk in this ACNB filing?

No derivative securities were reported for Brett D. Fulk in this filing. Table II, which would list options, warrants, or other derivative instruments, is present but contains no transactions or holdings, indicating this Form 4 only covers common stock activity.