# EDGAR Filing Document

**Accession Number:** 0001611432
**File Stem:** 0001437749-26-002437
**Filing Date:** 2026-1
**Character Count:** 7473
**Document Hash:** 1504a34cd30066950fc28a8ede41f59e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001437749-26-002437.hdr.sgml**: 20260129

**ACCESSION NUMBER**: 0001437749-26-002437

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260127

**FILED AS OF DATE**: 20260129

**DATE AS OF CHANGE**: 20260129

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** D'Angelo John J
- **CENTRAL INDEX KEY:** 0001611432

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36522
- **FILM NUMBER:** 26579372

**MAIL ADDRESS:**
- **STREET 1:** 418 PECAN MEADOW DRIVE
- **CITY:** BATON ROUGE
- **STATE:** LA
- **ZIP:** 70810
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Investar Holding Corp
- **CENTRAL INDEX KEY:** 0001602658
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 271560715
- **STATE OF INCORPORATION:** LA
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 10500 COURSEY BLVD
- **STREET 2:** THIRD FLOOR
- **CITY:** BATON ROUGE
- **STATE:** LA
- **ZIP:** 70816
- **BUSINESS PHONE:** 225-227-2222

**MAIL ADDRESS:**
- **STREET 1:** 10500 COURSEY BLVD
- **STREET 2:** THIRD FLOOR
- **CITY:** BATON ROUGE
- **STATE:** LA
- **ZIP:** 70816

### 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>D'Angelo John J<br><sub>(Last) (First) (Middle)</sub><br>C/O INVESTAR HOLDING CORPORATION<br>10500 COURSEY BLVD.<br><sub>(Street)</sub><br>BATON ROUGE, LA 70816<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-01-27 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Chief Executive Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Investar Holding Corp [ ISTR ] | **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 | 2026-01-27 |  | M<sup>(1)</sup> |  | 26163 | A | $14.28 | 266006 | D |  |
| Common Stock | 2026-01-27 |  | M |  | 2907 | A | $14.28 | 268913 | D |  |
| Common Stock | 2026-01-27 |  | S<sup>(2)</sup> |  | 26163 | D | $28.01 | 242750 | D |  |
| Common Stock | 2026-01-27 |  | F<sup>(3)</sup> |  | 1960 | D | $28.17 | 240790 | D |  |
| Common Stock |  |  |  |  |  |  |  | 33935 | I | 401(k) |
| Common Stock |  |  |  |  |  |  |  | 2099 | I | Minor children |
| Common Stock |  |  |  |  |  |  |  | 250 | I | Spouse |

---

## 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 |
| Employee Stock Option | $14.28 | 2026-01-27 |  | M<sup>(1)</sup> |  |  | 26163 | <sup>(4)</sup> | 2026-03-01 | Common Stock | 26163 | $0 | 2907 | D |  |
| Employee Stock Option | $14.28 | 2026-01-27 |  | M |  |  | 2907 | <sup>(4)</sup> | 2026-03-01 | Common Stock | 2907 | $0 | 0 | D |  |

---

### Footnotes:

(1) Transaction made pursuant to a trading plan adopted by the Reporting Person on October 28, 2025.

(2) Shares were sold pursuant to a trading plan adopted by the Reporting Person on October 28, 2025. The reported price is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $27.87 to $28.30 per share. The Reporting Person undertakes to provide to Investar Holding Corporation, any security holder of Investar Holding Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. Sales were undertaken by the Reporting Person for personal estate and tax planning purposes.

(3) Represents a "net exercise" of outstanding stock options. The Reporting Person received 947 shares of common stock on net exercise of an option to purchase 2,907 shares of common stock. The Company withheld 1,960 shares of common stock underlying the option to satisfy the exercise price and tax withholding obligations.

(4) The option vested in five equal annual installments beginning on March 1, 2017 and is currently exercisable as to all 29,070 shares.

**Signature:** /s/ John J. D'Angelo  
**Date:** 2026-01-29

### 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.**