Keith Mansfield - 30 Jul 2026 Form 4 Insider Report for Business First Bancshares, Inc. (BFST)

Reporting relationship: EVP&COO of b1Bank
Issuer ticker: BFST
Reported as of: 30 Jul 2026
Net transaction value: -$134,736
SEC form: 4
Accepted by SEC: 31 Jul 2026, 18:08:19 UTC
Prior SEC filing: 02 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Heather Roemer, as attorney-in-fact for Keith Mansfield

Key filing fact

Keith Mansfield filed Form 4 for Business First Bancshares, Inc. (BFST) on 31 Jul 2026.

Key facts

This page summarizes Keith Mansfield's Form 4 filing for Business First Bancshares, Inc. (BFST).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 31 Jul 2026, 18:08.

Change

Previous filing in this sequence was filed on 02 Apr 2026.
Current net transaction value: -$134,736.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001734773 Primary reporting owner

MANSFIELD KEITH

Relationship: EVP&COO of b1Bank
Address: 500 LAUREL STREET, SUITE 101, BATON ROUGE
Signature: /s/ Heather Roemer, as attorney-in-fact for Keith Mansfield
Signature date: 31 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

BFST transaction

COMMON STOCK

Sale

Transaction value: $134,736
Shares: -4,200
Change %: -5.2%
Price: $32.08
Shares after: 77,139
Date: 30 Jul 2026
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

BFST holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 13,374
Date: 30 Jul 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 13,374
Exercise price: $0.000000
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

This transaction was executed in multiple trades at prices ranging from $31.98 to $32.14. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a securityholder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F2

Includes 27,000 shares held by the reporting person's investment retirement account.

Footnote F3

Includes: (a) 3,722 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) 3,912 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) 5,740 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.