AUBN officer buys 3,063 shares at ~$27.43 on 10/08/2025

Insider purchases by a senior officer.

Rhea-AI Filing Summary

Insider purchases by a senior officer. Shannon O'Donnell, identified as a Senior Vice President, reported two purchases of common stock on 10/08/2025 under a dividend reinvestment/option plan (remark: DRIP/OCP). The filings show acquisition of 1,526 shares at $27.4849 and 1,537 shares at $27.4207, executed as purchase transactions. The report is signed on 10/09/2025.

Positive

• Officer increased ownership by a total of 3,063 shares on 10/08/2025
• Transactions recorded under DRIP/OCP, signaling plan-based reinvestment rather than opportunistic trading

Negative

• None.

Insights

Corporate Governance Analyst

Senior officer made routine stock purchases via DRIP/OCP totaling 3,063 shares.

The transactions are reported as purchases executed on 10/08/2025, with two separate price points: $27.4849 and $27.4207. The filing lists the reporting person as a Senior Vice President, and the remark notes DRIP/OCP, indicating reinvestment or an option/plan-based purchase rather than open-market timing.

These purchases reflect small-scale, routine ownership increases by management; monitor aggregated insider holdings over the next 12 months for trend confirmation and any change in transaction codes or size that might indicate a different motive.

Insider Trade Summary

Net Buyer: 25 shares

Net Buy 2 txns

Insider O'DONNELL SHANNON

Role Senior Vice President

Bought 25 shs ($686.42)

Type	Security	Shares	Price	Value
Purchase	common stock, par value $0.1	14	$27.4849	$384.79
Purchase	common stock, par value $0.1	11	$27.4207	$301.63

Holdings After Transaction: common stock, par value $0.1 — 1,537 shares (Direct)

FAQ

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

What did AUBN insider Shannon O'Donnell report on Form 4?

The filing reports two purchases of common stock on 10/08/2025: 1,526 shares at $27.4849 and 1,537 shares at $27.4207.

What is the reporting person's role at AUBN?

The reporting person, Shannon O'Donnell, is listed as a Senior Vice President and an officer of Auburn National Bancorporation, Inc.

Were these purchases part of a plan or one-off trades?

The filing includes the remark DRIP/OCP, indicating the transactions were made under a dividend reinvestment or option/contract plan.

How many shares were acquired in total and when was the Form 4 signed?

A total of 3,063 shares were acquired on 10/08/2025, and the Form 4 is signed on 10/09/2025.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 10/09/2025 - 11:17 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^*

O'DONNELL SHANNON

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Senior Vice President

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		14	A	$27.4849	1,526	D
common stock, par value $0.1	10/08/2025		P		11	A	$27.4207	1,537	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/ Shannon O'Donnell	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.