First Guaranty CFO buys 300 shares at $8.16–$8.68

First Guaranty Bancshares, Inc. (FGBI) reported that Eric Dosch, SVP and CFO, recorded several indirect ownership updates in common stock.

Rhea-AI Filing Summary

First Guaranty Bancshares, Inc. (FGBI) reported that Eric Dosch, SVP and CFO, recorded several indirect ownership updates in common stock. On August 27–28, 2026, entities associated with him acquired three small acquisitions under Rule 16a-6, including shares held in an IRA and custodial accounts for his minor children. The filing also lists updated direct and indirect holdings, including shares held by his spouse and a revocable living trust, with beneficial ownership of the trust units disclaimed except for his pecuniary interest.

Insider Trade Summary

Small Acquisition: 300 shares

Small Acquisition 6 txns

Insider Dosch Eric

Role SVP and CFO

Type	Security	Shares	Price	Value
Small Acquisition	COMMON STOCK	100	$8.68	$868.00
Small Acquisition	COMMON STOCK	100	$8.68	$868.00
Small Acquisition	COMMON STOCK	100	$8.16	$816.00
holding	COMMON STOCK	--	--	--
holding	COMMON STOCK	--	--	--
holding	COMMON STOCK F1	--	--	--

Holdings After Transaction: COMMON STOCK — 1,032 shares (Indirect, By IRA); COMMON STOCK — 482 shares (Indirect, By son, minor EJD as custodian); COMMON STOCK — 482 shares (Indirect, By daughter, minor EJD as custodian); COMMON STOCK — 28,396 shares (Direct); COMMON STOCK — 147 shares (Indirect, By Spouse); COMMON STOCK — 732 shares (Indirect, By trust)

Footnotes (1)

1. F1. 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.

Key Figures

Shares acquired (minor son custodial account): 100 shares of common stock at $8.68 per share Shares acquired (minor daughter custodial account): 100 shares of common stock at $8.68 per share Shares acquired (IRA): 100 shares of common stock at $8.16 per share +3 more

6 metrics

Shares acquired (minor son custodial account) 100 shares of common stock at $8.68 per share Indirect holding by son, minor EJD as custodian on 2026-08-28; total holdings in that account 482 shares

Shares acquired (minor daughter custodial account) 100 shares of common stock at $8.68 per share Indirect holding by daughter, minor EJD as custodian on 2026-08-28; total holdings in that account 482 shares

Shares acquired (IRA) 100 shares of common stock at $8.16 per share Indirect holding by IRA on 2026-08-27; total IRA holdings 1,032 shares

Direct holdings after transactions 28,396 shares of common stock Direct ownership position as of 2026-08-27

Indirect holdings by spouse 147 shares of common stock Indirect ownership reported as held by spouse as of 2026-08-27

Indirect holdings by trust 732 shares of common stock Held by Lowell John Dosch Revocable Living Trust UA DTD 02/28/2000, with beneficial ownership disclaimed except for pecuniary interest

Key Terms

Rule 16a-6, Revocable Living Trust, pecuniary interest

3 terms

Rule 16a-6 regulatory

"transaction_code_description": "Small acquisition under Rule 16a-6"

Revocable Living Trust financial

"Lowell John Dosch Revocable Living Trust UA DTD 02/28/2000"

pecuniary interest financial

"except to the extent of his pecuniary interest"

FAQ

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

What insider transactions did FGBI CFO Eric Dosch report in this Form 4?

He reported three small acquisitions of FGBI common stock on August 27–28, 2026, through indirect accounts, including an IRA and custodial accounts for his minor son and daughter, each coded as a small acquisition under Rule 16a-6.

How many FGBI shares were acquired in the indirect accounts on August 27–28, 2026?

Three indirect accounts each acquired 100 shares of FGBI common stock, totaling 300 shares. Two purchases at $8.68 per share were for custodial accounts for his minor children, and one at $8.16 per share was for an IRA.

What are Eric Dosch’s reported direct and spouse holdings of FGBI after these transactions?

The filing shows 28,396 shares of FGBI common stock held directly and 147 shares held indirectly by his spouse as of August 27, 2026, in addition to other indirect holdings reported in the same Form 4.

What FGBI shares are held in trust related to Eric Dosch?

An indirect holding of 732 shares is reported as held by the Lowell John Dosch Revocable Living Trust UA DTD 02/28/2000, where he is a trustee. He disclaims beneficial ownership except to the extent of his pecuniary interest.

Were the FGBI transactions made under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not marked as affirmative, and no footnote states that the transactions were made pursuant to a Rule 10b5-1 or pre-arranged trading plan.

What prices were paid per share in the reported FGBI acquisitions?

For the three small acquisitions, the reported prices per share were $8.68 for two 100‑share transactions in custodial accounts for his minor children and $8.16 for one 100‑share transaction in an IRA.

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

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Available on EDGAR 08/31/2026 - 04:10 PM EDT Accepted by SEC EDGAR 08/31/2026 - 04:09 PM EDT 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^*

Dosch Eric

(Last) (First) (Middle)

400 EAST THOMAS STREET

(Street)

HAMMOND LOUISIANA 70401

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
First Guaranty Bancshares, Inc. [ FGBI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP and CFO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/27/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	08/27/2026		L	V	100	A	$8.16	1,032	I	By IRA
COMMON STOCK	08/28/2026		L	V	100	A	$8.68	482	I	By son, minor EJD as custodian
COMMON STOCK	08/28/2026		L	V	100	A	$8.68	482	I	By daughter, minor EJD as custodian
COMMON STOCK								28,396	D
COMMON STOCK								147	I	By Spouse
COMMON STOCK								732	I	By trust(1)

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:

1. 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.

	/s/ Eric Dosch	08/31/2026
	** 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.
* Form 4: SEC 1474 (03-26)