144 0001884757 XXXXXXXX LIVE 0001589526 Blue Bird Corp 001-36267 3920 ARKWRIGHT ROAD SUITE 200 MACON GA 31210 478-822-2801 Radulescu Razvan Officer Common Stock Muriel Siebert & Co, Inc.

18045 Oak Street Omaha NE 68130

10000 540000.00 31699259 08/07/2025 NASDAQ Common Stock 07/01/2025 RSU Vesting Issuer N 10000 07/01/2025 N/A N Razvan Radulescu

3920 ARKWRIGHT ROAD, SUITE 200 MACON GA 31210

Common Stock 07/08/2025 10000 451900.00 08/07/2025 08/12/2024 /s/ Matthew Meziere, as attorney-in-fact for Razvan Radulescu