# EDGAR Filing Document

**Accession Number:** 0001408534
**File Stem:** 0001437749-25-029587
**Filing Date:** 2025-9
**Character Count:** 7617
**Document Hash:** 1e6735b8e3d02be430f21c927e97178b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001437749-25-029587.hdr.sgml**: 20250922

**ACCESSION NUMBER**: 0001437749-25-029587

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250904

**FILED AS OF DATE**: 20250922

**DATE AS OF CHANGE**: 20250922

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Dosch Eric
- **CENTRAL INDEX KEY:** 0001453020

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-37621
- **FILM NUMBER:** 251330137

**MAIL ADDRESS:**
- **STREET 1:** 2450 FIRST AVENUE
- **CITY:** HUNTINGTON
- **STATE:** WV
- **ZIP:** 25703
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** First Guaranty Bancshares, Inc.
- **CENTRAL INDEX KEY:** 0001408534
- **STANDARD INDUSTRIAL CLASSIFICATION:** SAVINGS INSTITUTION, FEDERALLY CHARTERED [6035]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 260513559
- **STATE OF INCORPORATION:** LA
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 400 EAST THOMAS STREET
- **CITY:** HAMMOND
- **STATE:** LA
- **ZIP:** 70401
- **BUSINESS PHONE:** 985-345-7685

**MAIL ADDRESS:**
- **STREET 1:** 400 EAST THOMAS STREET
- **CITY:** HAMMOND
- **STATE:** LA
- **ZIP:** 70401

### 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>Dosch Eric<br><sub>(Last) (First) (Middle)</sub><br>400 EAST THOMAS STREET<br><sub>(Street)</sub><br>HAMMOND, LA 70401<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-09-04 | **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>_SVP and CFO_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>First Guaranty Bancshares, Inc. [ FGBI ] | **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 | 2025-09-04 |  | L |  | 44 | A | $8.50 | 226 | I | By son, minor EJD as custodian |
| COMMON STOCK | 2025-09-05 |  | L |  | 56 | A | $8.68 | 282 | I | By son, minor EJD as custodian |
| COMMON STOCK | 2025-09-08 |  | L |  | 100 | A | $8.74 | 382 | I | By son, minor EJD as custodian |
| DEPOSITORY SHARES<sup>(1)</sup> | 2025-09-05 |  | L |  | 50 | A | $19.03 | 50 | I | By son, minor EJD as custodian |
| DEPOSITORY SHARES<sup>(1)</sup> | 2025-09-08 |  | L |  | 50 | A | $19.25 | 100 | I | By son, minor EJD as custodian |
| COMMON STOCK | 2025-09-05 |  | L |  | 100 | A | $8.67 | 282 | I | By daughter, minor EJD as custodian |
| COMMON STOCK | 2025-09-08 |  | L |  | 100 | A | $8.74 | 382 | I | By daughter, minor EJD as custodian |
| DEPOSITORY SHARES<sup>(1)</sup> | 2025-09-05 |  | L |  | 50 | A | $19.03 | 50 | I | By daughter, minor EJD as custodian |
| DEPOSITORY SHARES<sup>(1)</sup> | 2025-09-05 |  | L |  | 50 | A | $19.25 | 100 | I | By daughter, minor EJD as custodian |
| COMMON STOCK | 2025-09-04 |  | L |  | 100 | A | $8.50 | 732 | I | By IRA<sup>(3)</sup> |
| DEPOSITORY SHARES<sup>(1)</sup> | 2025-09-05 |  | L |  | 50 | A | $19.03 | 50 | I | By IRA<sup>(3)</sup> |
| DEPOSITORY SHARES<sup>(1)</sup> | 2025-09-08 |  | L |  | 50 | A | $19.25 | 50 | I | By Roth IRA |
| COMMON STOCK |  |  |  |  |  |  |  | 28396 | D |  |
| COMMON STOCK |  |  |  |  |  |  |  | 147 | I | By Spouse |
| COMMON STOCK |  |  |  |  |  |  |  | 732 | I | By trust<sup>(2)</sup> |

---

## 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) Each depository share represents a 1/40th interest in a share of the issuer's 6.75% Series A Fixed-Rate Non-Cumulative Perpetual Preferred Stock, par value $1,000 per share, with a liquidation preference of $1,000 per share (equivalent to $25.00 per Depository Share).

(2) Represents the holdings of Lowell John Dosch Revocable Living Trust UA DTD 02/28/2000, of which the reporting person is a trustee. The reporting person disclaims beneficial ownership of registrant common stock held by Lowell John Dosch Revocable Living Trust UA DTD 02/28/2000 except to the extent of his pecuniary interest.

(3) The shares of common stock currently held by the reporting person's IRA were previously held by the issuer's employee stock ownership plan.

**Signature:** /s/ Eric Dosch  
**Date:** 2025-09-22

### 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.**