# EDGAR Filing Document

**Accession Number:** 0001991206
**File Stem:** 0001991206-26-000003
**Filing Date:** 2026-5
**Character Count:** 5901
**Document Hash:** e5f445762604d37158abcb8584db5dfc
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001991206-26-000003.hdr.sgml**: 20260521

**ACCESSION NUMBER**: 0001991206-26-000003

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260520

**FILED AS OF DATE**: 20260521

**DATE AS OF CHANGE**: 20260521

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Bovenzi David
- **CENTRAL INDEX KEY:** 0001991206

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-26481
- **FILM NUMBER:** 261008378

**MAIL ADDRESS:**
- **STREET 1:** C/O EASTMAN KODAK COMPANY
- **STREET 2:** 343 STATE STREET
- **CITY:** ROCHESTER
- **STATE:** NY
- **ZIP:** 14650
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FINANCIAL INSTITUTIONS INC
- **CENTRAL INDEX KEY:** 0000862831
- **STANDARD INDUSTRIAL CLASSIFICATION:** NATIONAL COMMERCIAL BANKS [6021]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 160816610
- **STATE OF INCORPORATION:** NY
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 220 LIBERTY STREET
- **CITY:** WARSAW
- **STATE:** NY
- **ZIP:** 14569
- **BUSINESS PHONE:** 5857861100

**MAIL ADDRESS:**
- **STREET 1:** 220 LIBERTY STREET
- **CITY:** WARSAW
- **STATE:** NY
- **ZIP:** 14569

## Ex-24

**LIMITED POWER OF ATTORNEY FOR SECTION 16 REPORTING OBLIGATIONS**

The undersigned hereby constitutes and appoints each of Michael D. Grover, Sandra L. Byers and William Jack Plants II as the undersigned's true and lawful attorney-in-fact, and grants each of them full power to act on behalf of the undersigned and in the undersigned's name, place and stead, for the purpose of completing and signing, on behalf of the undersigned, any Form 3, Form 4 or Form 5 (including any amendments thereto) required or permitted to be filed by the undersigned pursuant to Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), with regard to the undersigned's holdings of or transactions in the securities of Financial Institutions, Inc., and to file such forms (and amendments thereto) with the Securities and Exchange Commission, and to do and perform each and every act and thing requisite or necessary to be done in connection with such forms (and amendments thereto,) as fully and to all intents and purposes as the undersigned might or could do in person.

The authority of Michael D. Grover, Sandra L. Byers and William Jack Plants II under this Limited Power of Attorney shall continue until the undersigned is no longer required to file forms under Section 16(a) of the Exchange Act with regard to the undersigned's holdings of or transactions in the securities of Financial Institutions, Inc., unless earlier revoked by the undersigned in writing.

The undersigned acknowledges that Michael D. Grover, Sandra L. Byers and William Jack Plants II are not assuming any of the undersigned's responsibilities to comply with Section 16 of the Exchange Act.

***/s/ DAVID P. BOVENZI***

Name: David P. Bovenzi

Date: May 20, 2026

------

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

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] 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**<sup>*</sup><br>Bovenzi David<br><sub>(Last) (First) (Middle)</sub><br>C/O 220 LIBERTY STREET<br><sub>(Street)</sub><br>WARSAW, NY 14569<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>FINANCIAL INSTITUTIONS INC [ FISI ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-05-20 | **4. 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>_ _ | **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 Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Common Stock | 0 | D |  |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

**Signature:** Sandra L. Byers by Power of Attorney from David Bovenzi  
**Date:** 2026-05-21

### 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.**