MELVILLE DAVID R. III 4
4 · Business First Bancshares, Inc. · Filed Mar 3, 2026
Insider Transaction Report
Form 4
MELVILLE DAVID R. III
DirectorPresident and CEO
Transactions
- Exercise/Conversion
COMMON STOCK
[F3][F1][F2]2026-03-01+5,376→ 218,557 total - Disposition to Issuer
COMMON STOCK
[F4][F1][F2]2026-03-01$27.30/sh−5,376$146,765→ 213,181 total - Exercise/Conversion
Restricted Stock Units
[F3]2026-03-01−5,376→ 20,945 total→ Common Stock (5,376 underlying) - Award
Restricted Stock Units
[F5]2026-03-02+3,280→ 24,225 totalExercise: $0.00→ Common Stock (3,280 underlying) - Award
Restricted Stock Units
[F6][F7]2026-03-02+13,121→ 37,346 totalExercise: $0.00→ Common Stock (13,121 underlying)
Footnotes (7)
- [F1]Includes 10,103 shares of unvested restricted stock granted on February 1, 2024, which will vest on March 31, 2026. Under the terms of the relevant restricted stock grants, the reported shares of unvested restricted stock are subject to forfeiture upon the occurrence of certain events.
- [F2]Includes units of the employer stock fund through the issuer's 401(k) plan equivalent to approximately 13,786 shares of common stock of the issuer and 96,288 pledged shares of common stock of the issuer.
- [F3]The reporting person received an award of 16,293 time-based restricted stock units on March 1, 2025, vesting in three substantially equal installments on the first, second, and third anniversary of the issuance date.
- [F4]These shares were acquired upon the partial vesting of the previously reported time-based restricted stock units granted to the reporting person on March 1, 2025. The reporting person has irrevocably elected to defer the reported securities under the b1BANK Deferred Compensation Plan (the "Deferred Compensation Plan"). In accordance with the Deferred Compensation Plan, the reporting person will receive a lump sum cash distribution in an amount equal to the vested securities deferred under the Deferred Compensation Plan, plus any earnings or losses attributable thereto, on the first business day following the month in which the reporting person's separation of service, death, or disability occurs.
- [F5]Reflects the grant of 3,280 time-based restricted stock units granted to the reporting person on March 2, 2026, of which 1,093 shares will vest on March 2, 2027, 1,093 shares will vest on March 2, 2028, and the remaining 1,094 shares will vest on March 2, 2029. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer.
- [F6]Reflects the grant of 13,121 time-based restricted stock units granted to the reporting person on March 2, 2026, of which 4,373 shares will vest on March 2, 2027, 4,373 shares will vest on March 2, 2028, and the remaining 4,375 shares will vest on March 2, 2029. Each time-based restricted stock unit is economically equivalent to one share of common stock of the issuer. The reporting person has irrevocably elected to defer the reported securities under the Deferred Compensation Plan. In accordance with the Deferred Compensation Plan, the reporting person will receive a lump sum cash distribution in an amount equal to the vested securities deferred under the Deferred Compensation Plan, plus any earnings or losses attributable thereto, on the first business day following the month in which the reporting person's separation of service, death, or disability occurs.
- [F7]Includes: (a) 10,028 time-based restricted stock units granted to the reporting person on December 12, 2024, which will vest in two substantially equal installments on the second and third anniversary of the issuance date; (b) 10,917 time-based restricted stock units granted to the reporting person on March 1, 2025, which will vest in two substantially equal installments on the second and third anniversary of the issuance date; (c) 3,280 time-based restricted stock units granted to the reporting person on March 2, 2026, which will vest in three substantially equal installments on the first, second, and third anniversary of the issuance date; and (d) 13,121 time-based restricted stock units granted to the reporting person on March 2, 2026, which will vest in three substantially equal installments on the first, second, and third anniversary of the issuance date.
Signature
/s/ Heather Roemer, as attorney-in-fact for David R. Melville III|2026-03-03