[Form 4] AUBURN NATIONAL BANCORPORATION, INC Insider Trading Activity

Rhea-AI Filing Summary

Director purchase recorded: A director, Barrett J Tutt, reported two purchases totaling 70 shares of AUBN common stock on 10/08/2025. The transactions show acquisitions of 48 shares at $27.4849 and 22 shares at $27.4207 under a dividend reinvestment/ownership plan (marked "DRIP/OCP"). Following these transactions the reporting lines list beneficial ownership totals of 9,022 and 9,044 shares respectively.

Positive

• Director increased ownership by 70 shares on 10/08/2025, showing continued alignment
• Transactions executed under DRIP/OCP, indicating automated dividend reinvestment or planned purchases

Negative

• None.

Insights

Insider Transactions Analyst

Small insider purchases via DRIP signal continued ownership alignment.

The director executed two purchases totaling 70 shares on 10/08/2025 at average price near $27.43, recorded under a reinvestment/ownership plan labeled "DRIP/OCP." These are direct purchases and increased reported beneficial ownership to 9,044 shares on the filing.

The transactions are routine and appear non‑derivative; their materiality is limited by the small share count relative to total outstanding shares. Monitor periodic Form 4 filings for larger or discretionary purchases that could carry greater market signal over a 90‑180 days horizon.

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^*

Barrett J Tutt

(Last) (First) (Middle)

P. O. BOX 3110

(Street)

AUBURN AL 36831-3110

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
AUBURN NATIONAL BANCORPORATION, INC [ AUBN ]

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)
10/08/2025

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
common stock, par value $0.1	10/08/2025		P		48	A	$27.4849	9,022	D
common stock, par value $0.1	10/08/2025		P		22	A	$27.4207	9,044	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:

DRIP/OCP

	/s/ J. Tutt Barrett	10/09/2025
	** 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 insider activity did AUBN report on 10/08/2025?

A director, Barrett J Tutt, reported two purchases totaling 70 shares of AUBN common stock on 10/08/2025 at prices $27.4849 and $27.4207.

What ownership did the director hold after the reported transactions for AUBN?

The filing lists beneficial ownership totals of 9,022 and 9,044 shares following the reported transactions.

Were the AUBN transactions derivative or non‑derivative?

The reported transactions were non‑derivative purchases of common stock (direct ownership).

What does DRIP/OCP mean in the AUBN Form 4?

The filing notes "DRIP/OCP," indicating purchases were through a dividend reinvestment or ownership plan rather than discretionary open‑market trades.

Who signed the AUBN Form 4 and when?

The Form 4 was signed by J. Tutt Barrett on 10/09/2025.