144 0001437113 XXXXXXXX LIVE 0001396440 MAIN STREET CAPITAL CORP 814-00746 1300 POST OAK BOULEVARD 8TH FLOOR HOUSTON TX 77056 713-350-6000 Jason B. Beauvais Officer Common Raymond James & Associates, Inc.

880 Carillon Parkway St. Petersburg FL 33716

13664 810548.48 89029361 06/27/2025 NYSE Common 04/01/2021 Acquired via restricted stock vesting between 04/01/2019 and 04/01/2021 Issuer N 13664 04/01/2021 Compensation Y 06/27/2025 /s/ Jason B. Beauvais