Business First Bancshares, Inc.

BFST·NASDAQ·$28.20Share Price as of 11/2·$922MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2607/31/26 10-QQ1 ended 03/31/2605/01/26 10-KFY 202502/26/26 10-QQ3 ended 09/30/2510/30/25 10-QQ2 ended 06/30/2508/05/25

Disclosures

8-KCurrent report10/29/26 8-KCurrent report10/26/26 8-KCurrent report09/11/26 8-KCurrent report07/23/26 8-KCurrent report05/27/26

Prospectuses and Registrations

424B3Prospectus09/16/25 S-4/ARegistration (business combination, amended)09/16/25 S-4/ARegistration (business combination, amended)09/12/25 S-4Registration (business combination)08/26/25 424B3Prospectus07/23/24

Proxies

DEF 14ADefinitive proxy04/08/26 DEF 14ADefinitive proxy04/09/25 DEF 14ADefinitive proxy04/10/24 DEF 14ADefinitive proxy06/12/23 DEFA14AAdditional proxy materials06/12/23

Ownership

144Proposed sale of securities10/29/26 144/AProposed sale of securities (amended)09/01/26 144/AProposed sale of securities (amended)08/28/26 144/AProposed sale of securities (amended)08/28/26 144/AProposed sale of securities (amended)08/28/26

Other

11-KEmployee stock purchase plan report06/23/26 DD04/14/26 EFFECTRequest for effectiveness09/16/25 CORRESPCorrespondence with the SEC09/12/25 UPLOADLetter from the SEC09/05/25