# EDGAR Filing Document

**Accession Number:** 0002005617
**File Stem:** 0001193125-25-203153
**Filing Date:** 2025-9
**Character Count:** 11269
**Document Hash:** a44d84ae67a9510dfc26cc92d50cae85
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-203153.hdr.sgml**: 20250915

**ACCESSION NUMBER**: 0001193125-25-203153

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250911

**FILED AS OF DATE**: 20250915

**DATE AS OF CHANGE**: 20250915

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Spencer Sandra J.
- **CENTRAL INDEX KEY:** 0002005617

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-26486
- **FILM NUMBER:** 251313669

**MAIL ADDRESS:**
- **STREET 1:** P.O. BOX 3110
- **CITY:** AUBURN
- **STATE:** AL
- **ZIP:** 36830
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AUBURN NATIONAL BANCORPORATION, INC
- **CENTRAL INDEX KEY:** 0000750574
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 630885779
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 100 N GAY ST
- **STREET 2:** P O DRAWER 3110
- **CITY:** AUBURN
- **STATE:** AL
- **ZIP:** 36831-3110
- **BUSINESS PHONE:** 3348219200

**MAIL ADDRESS:**
- **STREET 1:** 100 NORTH GAY STREET
- **STREET 2:** P O DRAWER 3110
- **CITY:** AUBURN
- **STATE:** AL
- **ZIP:** 36831

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** AUBURN NATIONAL BANCORPORATION INC
- **DATE OF NAME CHANGE:** 19950124

## Exhibit 99.1

On September 11, 2025, the following transfers were directed to be made in the brokerage accounts holding the Parents' Shares:

The transfer of a total of 47,882 shares from the Spencer 2008 Irrevocable Trust to the Exempt Trusts for the benefit of each of the Reporting Person and her 2 brothers. Of these Shares, 15,961 Shares are being transferred to and held by the Spencer 2008 Exempt Trust for the benefit of ("FBO") Sandra J. Spencer, where the Reporting Person is the sole trustee with sole voting and dispositive power, and is the sole beneficiary.

The transfer of a total of 666,825 shares from as sole Personal Representative of Edward L Spencer, Jr Estate (the "E.L. Spencer Estate") and the Spencer 2008 Revocable Trust to each of the Reporting Person's and her two brothers' respective Spencer Family Non-Exempt Trusts. Of these Shares, 222,275 Shares are being transferred to and held in the Spencer Family Non-Exempt Trust FBO Sandra J. Spencer, where the Reporting Person is the sole trustee with sole voting and dispositive power, and is the sole beneficiary; and

The transfer of a total of 17,000 shares from the Estate of Ruth P. Spencer and the Ruth Spencer Revocable Trust to each of the Reporting Person and her two brothers respective Spencer Family Non-Exempt Trusts. Of these Shares, 5,667 Shares are being transferred to and held in the Spencer Family Non-Exempt Trust FBO Sandra J. Spencer, where the Reporting Person is the sole trustee with sole voting and dispositive power and is the sole beneficiary.

The Reporting Person will inherit a total of 243,903 Shares as a result of the inheritance transfers of Parent shares.

As a result of the inheritance of these Parent Shares, the Reporting Person may be deemed to beneficially own, a total of 258,214 Shares, or 7.4% of the total shares outstanding, as sole trustee and beneficiary in the case of each of her trusts shown above, and individually, in each such case, with sole voting and dispositive power. These include the 79 Shares held by the Reporting Person's husband where Ms. Spencer may be deemed to have shared voting and dispositive power, and 3,960 Shares held by Spencer LLC.

The Reporting Person is the manager of Spencer LLC, and may be deemed to have shared voting and dispositive power over the 3,960 shares held by Spencer LLC. The Reporting Person disclaims beneficial ownership and any pecuniary interest in the 2,640 shares held in Spencer LLC, which reflects her two brothers' two-thirds membership interest in Spencer LLC. Ms. Spencer also disclaims any beneficial interest and any pecuniary interest in the 16,362 shares held by the Edward L. Spencer Jr. Foundation, a 501(c)(3) private foundation where Ms. Spencer is one of two directors.

Ms. Spencer disclaims any beneficial interest or pecuniary interest in the 487,804 Parent Shares transferred by inheritance and held by or for the benefit of Ms. Spencer's brothers, Bruce Steven Spencer or Edward L. Spencer, III following the transfers described herein.

------

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>Spencer Sandra J.<br><sub>(Last) (First) (Middle)</sub><br>PO BOX 3110<br><sub>(Street)</sub><br>AUBURN, AL 36830<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-09-11 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>AUBURN NATIONAL BANCORPORATION, INC [ AUBN ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| common stock, par value $0.1 | 2025-09-11 |  | W |  | 666825 | D | $0 | 0 | I | See Notes below |
| common stock, par value $0.1 | 2025-09-11 |  | W |  | 47882 | D | $0 | 0 | I | See Notes below |
| common stock, par value $0.1 | 2025-09-11 |  | W |  | 17000 | D | $0 | 0 | I | See Notes below |
| common stock, par value $0.1 | 2025-09-11 |  | W |  | 222275 | A | $0 | 222275 | I | Held as trustee of the Spencer Family Non-Exempt Trust FBO Sandra J Spencer. See Notes below |
| common stock, par value $0.1 | 2025-09-11 |  | W |  | 15961 | A | $0 | 15961 | I | Held as trustee of the Spencer 2008 Exempt Trust FBO Sandra J Spencer See Notes below |
| common stock, par value $0.1 | 2025-09-11 |  | W |  | 5667 | A | $0 | 227942 | I | Held as trustee of the Spencer Family Non-Exempt Trust FBO Sandra J Spencer. See Notes below |
| common stock, par value $0.1 |  |  |  |  |  |  |  | 79 | I | Held by the Reporting Person's Spouse |
| common stock, par value $0.1 |  |  |  |  |  |  |  | 10272 | D |  |
| common stock, par value $0.1 |  |  |  |  |  |  |  | 3960 | I | Held by Spencer LLC |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

**Remarks:**
Note 1.
This filing is being made in connection with the settlement of the estates of, and the pour over distributions from the trusts established by, the late Mr. Edward L. Spencer Jr. and his late wife, Mrs. Ruth P. Spencer (together with Edward L. Spencer, Jr., the "Parents").  These transactions are transfers of securities by will or the laws of descent and distribution (inheritances), which are exempt from Securities Exchange Act of 1934 ( the "Exchange Act") Section 16(b) by United States Securities and Exchange Commission ("Commission") Rule 16b-5.  It shall not be deemed an admission that Sandra J. Spencer (the "Reporting Person") is, for purposes of Section 16 of the Exchange Act or otherwise, the beneficial owner of (i) the Shares previously held as Personal Representative of the Estates or as Trustee of the Trusts described in the first paragraph of Note 2 below.  Any fractional Shares have been rounded to whole Shares.

Note 2.

The Reporting Person has been (i) the sole Personal Representative of the Estate of Edward L. Spencer, Jr. (the "E.L. Spencer Estate") and the sole trustee of the Spencer 2008 Revocable Trust, which held an aggregate of 666,825 Shares;  (ii) the sole trustee of the Spencer 2008 Irrevocable Trust established by the late Edward L. Spencer, Jr., which held 47,882 Shares and the sole Personal Representative of the Estate of Ruth P. Spencer and the and the sole trustee of the Ruth P. Spencer Revocable Trust, which together held 17,000 Shares.  The Shares held by these foregoing Estates and Trusts are Referred to as the "Parent Shares"

**Signature:** /s/ Sandra J Spencer  
**Date:** 2025-09-15

### Remarks:

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.**