| 2026-04-02 | 8-K | 10.1 | Subordinated Note Purchase Agreement, dated April 2, 2026, by and among Business First Bancshares, Inc. and the Purchasers named therein. |
|---|
| 2026-02-26 | 10-K | 10.26 | Change in Control Agreement, dated October 29, 2025, between Business First Bancshares, Inc., b1BANK, and Warren McDonald.* |
|---|
| 2026-02-26 | 10-K | 10.25 | Change in Control Agreement, dated October 29, 2025, between Business First Bancshares, Inc., b1BANK, and Donald Chad Carter.* |
|---|
| 2026-02-26 | 10-K | 10.24 | Change in Control Agreement, dated October 29, 2025, between Business First Bancshares, Inc., b1BANK, and Heather Roemer.* |
|---|
| 2026-02-26 | 10-K | 10.23 | Change in Control Agreement, dated October 29, 2025, between Business First Bancshares, Inc., b1BANK, and Kathryn Manning.* |
|---|
| 2026-02-26 | 10-K | 10.16 | Change in Control Agreement, dated October 29, 2025, between Business First Bancshares, Inc., b1BANK, and Saundra Strong.* |
|---|
| 2025-11-04 | 8-K | 10.5 | Change in Control Agreement, dated October 29, 2025, by and between Business First Bancshares, Inc., b1BANK, and Philip Jordan. |
|---|
| 2025-11-04 | 8-K | 10.4 | Change in Control Agreement, dated October 29, 2025, by and between Business First Bancshares, Inc., b1BANK, and Keith Mansfield. |
|---|
| 2025-11-04 | 8-K | 10.3 | Change in Control Agreement, dated October 29, 2025, by and between Business First Bancshares, Inc., b1BANK, and Norman Jerome Vascocu, Jr. |
|---|
| 2025-11-04 | 8-K | 10.2 | Change in Control Agreement, dated October 29, 2025, by and between Business First Bancshares, Inc., b1BANK, and Gregory Robertson. |
|---|
| 2025-11-04 | 8-K | 10.1 | Amended and Restated Executive Employment Agreement, dated October 29, 2025, by and between Business First Bancshares, Inc., b1BANK, and David R. Melville, III. |
|---|
| 2025-07-07 | 8-K | 10.2 | Form of Director Support Agreement |
|---|
| 2025-07-07 | 8-K | 10.1 | Form of Voting Agreement |
|---|
| 2024-12-12 | 8-K | 10.1 | b1BANK Deferred Compensation Plan |
|---|
| 2024-07-31 | 10-Q | 10.5 | Supplemental Executive Retirement Plan Participation Agreement, dated as of February 28, 2023, between b1BANK and N. Jerome Vascocu, Jr.* |
|---|
| 2024-07-31 | 10-Q | 10.4 | Retention Bonus Agreement dated November 21, 2022, by and among Business First Bancshares, Inc., b1BANK and N. Jerome Vascocu, Jr.* |
|---|
| 2024-07-31 | 10-Q | 10.3 | Change in Control Agreement, dated November 16, 2022, by and among Business First Bancshares, Inc., b1BANK and N. Jerome Vascocu, Jr.* |
|---|
| 2024-04-25 | 8-K | 10.2 | Form of Director Support Agreement |
|---|
| 2024-04-25 | 8-K | 10.1 | Form of Voting Agreement |
|---|
| 2023-05-04 | 10-Q | 10.2 | Change in Control Agreement, dated as of June 23, 2022, between Business First Bancshares, Inc. and Saundra Strong.* |
|---|
| 2023-05-04 | 10-Q | 10.1 | Supplemental Executive Retirement Participation Agreement, dated as of April 27, 2023, between b1BANK and Saundra Strong.* |
|---|
| 2022-09-01 | 8-K | 10.1 | Form of Securities Purchase Agreement by and among Business First Bancshares, Inc. and the Purchasers named therein. |
|---|
| 2022-08-04 | 10-Q | 10.2 | Supplemental Executive Retirement Plan Participation Agreement, dated as of January 7, 2021, between b1BANK and Keith Mansfield.* |
|---|
| 2022-08-04 | 10-Q | 10.1 | Change in Control Agreement, dated October 29, 2019, between Business First Bank and Keith Mansfield.* |
|---|
| 2021-03-26 | 8-K | 10.1 | Form of Subordinated Note Purchase Agreement by and among Business First Bancshares, Inc. and the Purchasers named therein |
|---|
| 2021-03-05 | 10-K | 10.17 | Supplemental Executive Retirement Plan Participation Agreement, dated as of October 20, 2009, between b1BANK and Philip Jordan.* |
|---|
| 2021-03-05 | 10-K | 10.16 | Supplemental Executive Retirement Plan Participation Agreement, dated as of October 20, 2009, between b1BANK and David R. Melville, III.* |
|---|
| 2021-01-13 | 8-K | 10.2 | Supplemental Executive Retirement Plan, adopted as of August 1, 2009, by Business First Bank |
|---|
| 2021-01-13 | 8-K | 10.1 | Supplemental Executive Retirement Plan Participation Agreement, dated as of January 7, 2021, between b1BANK and Gregory Robertson. |
|---|
| 2019-11-07 | 10-Q | 10.4 | Change in Control Agreement, dated November 6, 2019, between Business First Bank and Philip Jordan*. |
|---|
| 2019-11-07 | 10-Q | 10.3 | Change in Control Agreement, dated November 6, 2019, between Business First Bank and Gregory Robertson*. |
|---|
| 2019-11-07 | 10-Q | 10.1 | Amendment and Restated Executive Employment Agreement by and between Business First Bank and David R. Melville, III, dated November 6, 2019*. |
|---|
| 2019-03-22 | 10-K | 10.6 | Executive Employment Agreement, effective November 30, 2018, between Business First Bank and N. Jerome Vascocu.* |
|---|
| 2019-03-22 | 10-K | 10.5 | Executive Employment Agreement, effective January 1, 2018, between Business First Bank and Jack E. Byrd, Jr.* |
|---|
| 2019-03-22 | 10-K | 10.4 | Change in Control Agreement, dated July 1, 2018, between Business First Bank and Philip Jordan.* |
|---|
| 2019-03-22 | 10-K | 10.3 | Change in Control Agreement, dated December 1, 2017, between Business First Bank and Gregory Robertson.* |
|---|
| 2018-12-19 | 8-K | 10.1 | Subordinated Note Purchase Agreement dated December 17, 2018, by and between Business First Bancshares, Inc. and the Purchaser named therein |
|---|
| 2018-03-21 | 10-K | 10.9 | Business First Bancshares, Inc., 2017 Equity Incentive Plan.* |
|---|
| 2017-10-12 | 8-K | 10.1 | Form of Securities Purchase Agreement* |
|---|
| 2016-03-21 | 10-K | 10.10 | Business First, Amendment No. 2 to Warrant Agreement, dated February 1, 2016 |
|---|
| 2016-03-21 | 10-K | 10.4 | Memorandum Amendment to Executive Employment Agreement between Business First Bank and Steven Champney, dated March 5, 2010. |
|---|