# EDGAR Filing Document

**Accession Number:** 0000944745
**File Stem:** 0001193125-26-037383
**Filing Date:** 2026-2
**Character Count:** 6794
**Document Hash:** a31ee23fa36b3d1c787a2d1ba91aee4e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-037383.hdr.sgml**: 20260204

**ACCESSION NUMBER**: 0001193125-26-037383

**CONFORMED SUBMISSION TYPE**: 5

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260204

**DATE AS OF CHANGE**: 20260204

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** DUTTON RICHARD J
- **CENTRAL INDEX KEY:** 0001255208

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 5
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36192
- **FILM NUMBER:** 26597607

**MAIL ADDRESS:**
- **STREET 1:** 100 E WATER STREET
- **CITY:** SANDUSKY
- **STATE:** OH
- **ZIP:** 44870
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CIVISTA BANCSHARES, INC.
- **CENTRAL INDEX KEY:** 0000944745
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 341558688
- **STATE OF INCORPORATION:** OH
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 100 EAST WATER ST
- **STREET 2:** P O BOX 5016
- **CITY:** SANDUSKY
- **STATE:** OH
- **ZIP:** 44870
- **BUSINESS PHONE:** 4196254121

**MAIL ADDRESS:**
- **STREET 1:** 100 EAST WATER ST
- **STREET 2:** P O BOX 5016
- **CITY:** SANDUSKY
- **STATE:** OH
- **ZIP:** 44870

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIRST CITIZENS BANC CORP /OH
- **DATE OF NAME CHANGE:** 19950502

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

## FORM 5

### 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>DUTTON RICHARD J<br><sub>(Last) (First) (Middle)</sub><br>325 COUNTRYSIDE DR<br><sub>(Street)</sub><br>TROY, OH 45373-4561<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-12-31 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Senior Vice President_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>CIVISTA BANCSHARES, INC. [ CIVB ] | **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 | 2025-02-18 |  | J<sup>(1)</sup> |  | 60.474 | A | $0 | 7710.897 | I | IRA |
| Common | 2025-05-13 |  | J<sup>(2)</sup> |  | 56.487 | A | $0 | 7767.384 | I | IRA |
| Common | 2025-08-19 |  | J<sup>(2)</sup> |  | 65.471 | A | $0 | 7832.855 | I | IRA |
| Common | 2025-11-18 |  | J<sup>(2)</sup> |  | 62.24 | A | $0 | 7895.095 | I | IRA |
| Common | 2025-02-18 |  | J<sup>(3)</sup> |  | 60.474 | D | $0 | 20556.7443 | D |  |
| Common | 2025-05-13 |  | J<sup>(2)</sup> |  | 77.5189 | A | $0 | 22941.2632 | D |  |
| Common | 2025-05-13 |  | J<sup>(2)</sup> |  | 54.083 | A | $0 | 22995.3462 | D |  |
| Common | 2025-08-19 |  | J<sup>(2)</sup> |  | 89.5874 | A | $0 | 23084.9336 | D |  |
| Common | 2025-08-19 |  | J<sup>(2)</sup> |  | 62.684 | A | $0 | 23147.6176 | D |  |
| Common | 2025-11-18 |  | J<sup>(2)</sup> |  | 84.9834 | A | $0 | 23232.601 | D |  |
| Common | 2025-11-18 |  | J<sup>(2)</sup> |  | 59.591 | A | $0 | 23292.192 | D |  |
| Common |  |  |  |  |  |  |  | 7895.095 | I | IRA |
| Common |  |  |  |  |  |  |  | 23292.192 | D |  |

---

## 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 |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) Shares transferred from another account.

(2) End of year - common shares acquired by company dividend reinvestment feature.

(3) Transferred shares to another account.

**Signature:** /s/Karen M. Terenzi, By Power of Attorney 2/4/2026  
**Date:** 2026-02-04

### 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.**