[Form 4] Investar Holding Corp Insider Trading Activity

Rhea-AI Filing Summary

Investar Holding Corp. director David A. Flack reported an equity award of 1,360 shares of common stock on 1/21/2026. The shares were acquired at a price of $0 as part of a grant of restricted stock units that convert into common stock on a one-for-one basis. Following this grant, he beneficially owns 432,552 shares directly and an additional 85,156 shares indirectly through his spouse.

According to the award terms, 20% of the restricted stock units will vest on 1/21/2027, and the remaining units will vest in four substantially equal annual installments beginning on 1/1/2028, tying the compensation to multi‑year service with the company.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Flack David A

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,360	$0.00	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 432,552 shares (Direct); Common Stock — 85,156 shares (Indirect, Spouse)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Flack David A

(Last) (First) (Middle)

C/O INVESTAR HOLDING CORPORATION

10500 COURSEY BLVD.

(Street)

BATON ROUGE LA 70816

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Investar Holding Corp [ ISTR ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
01/21/2026

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

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

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

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	01/21/2026		A(1)		1,360	A	$0	432,552	D
Common Stock								85,156	I	Spouse

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. Grant of restricted stock units ("RSUs") that convert into common stock on a one-for-one basis. Twenty percent of the RSUs will vest on 1/21/2027 and the remaining RSUs will vest in four substantially equal annual installments beginning on 1/1/2028.

	/s/ David A. Flack	01/23/2026
	** 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.
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