Heather G. Roemer - 01 Mar 2026 Form 4 Insider Report for Business First Bancshares, Inc. (BFST)

Role
EVP, CAO
Signature
/s/ Saundra Strong, as attorney-in-fact for Heather G. Roemer
Issuer symbol
BFST
Transactions as of
01 Mar 2026
Net transactions value
-$31,149
Form type
4
Filing time
03 Mar 2026, 18:52:15 UTC
Previous filing
16 Dec 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Roemer Heather G. EVP, CAO 500 LAUREL STREET, SUITE 101, BATON ROUGE /s/ Saundra Strong, as attorney-in-fact for Heather G. Roemer 03 Mar 2026 0002076134

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BFST COMMON STOCK Options Exercise +1,141 +5.8% 20,733 01 Mar 2026 Direct F1, F2
transaction BFST COMMON STOCK Disposed to Issuer $31,149 -1,141 -5.5% $27.30 19,592 01 Mar 2026 Direct F1, F3
holding BFST COMMON STOCK 8,817 01 Mar 2026 By spouse
holding BFST COMMON STOCK 7,230 01 Mar 2026 As custodian for minor children

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction BFST Restricted Stock Units Options Exercise -1,141 -20% 4,516 01 Mar 2026 Common Stock 1,141 Direct F2
transaction BFST Restricted Stock Units Award +722 +16% 5,238 02 Mar 2026 Common Stock 722 $0.000000 Direct F4
transaction BFST Restricted Stock Units Award +2,891 +55% 8,129 02 Mar 2026 Common Stock 2,891 $0.000000 Direct F5, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes: (a) 1,927 shares of restricted stock granted on February 1, 2024, which vest on March 31, 2026; and (b) 725 shares held jointly with spouse.
F2 The reporting person received an award of 3,459 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.
F3 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.
F4 Reflects the grant of 722 time-based restricted stock units granted to the reporting person on March 2, 2026, of which 240 shares will vest on March 2, 2027, 240 shares will vest on March 2, 2028, and the remaining 242 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 Reflects the grant of 2,891 time-based restricted stock units granted to the reporting person on March 2, 2026, of which 963 shares will vest on March 2, 2027, 963 shares will vest on March 2, 2028, and the remaining 965 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.
F6 Includes: (a) 2,198 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) 2,318 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) 722 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) 2,891 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.