Carter Donald Chad 4
4 · Business First Bancshares, Inc. · Filed Mar 3, 2026
Insider Transaction Report
Form 4
Carter Donald Chad
EVP, Correspondent Banking
Transactions
- Exercise/Conversion
COMMON STOCK
[F3][F1][F2]2026-03-01+1,337→ 15,200 total - Tax Payment
COMMON STOCK
[F1][F2]2026-03-01$27.30/sh−366$9,992→ 14,834 total - Exercise/Conversion
Restricted Stock Units
[F3]2026-03-01−1,337→ 5,299 total→ Common Stock (1,337 underlying) - Award
Restricted Stock Units
[F4][F5]2026-03-02+4,020→ 9,319 totalExercise: $0.00→ Common Stock (4,020 underlying)
Footnotes (5)
- [F1]Includes units of the employer stock fund through the issuer's 401(k) plan equivalent to 6,799 shares of common stock of the issuer.
- [F2]Includes 1,156 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.
- [F3]The reporting person received an award of 4,052 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]Reflects the grant of 4,020 time-based restricted stock units granted to the reporting person on March 2, 2026, of which 1,340 shares will vest on March 2, 2027, 1,340 shares will vest on March 2, 2028, and the remaining 1,340 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.
- [F5]Includes: (a) 2,584 time-based restricted stock units granted on December 12, 2024, which will vest in two substantially equal installments on the second and third anniversary of the issuance date; (b) 2,715 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; and (c) 4,020 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 issue date.
Signature
/s/ Heather Roemer, as attorney-in-fact for Donald Chad Carter|2026-03-03