144/A 0001884757-25-000001 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

2848 108250.00 32111078 02/10/2025 NASDAQ Common Stock 02/10/2025 Stock Option Exercise Issuer N 2165 02/10/2025 Cashless Exercise Common Stock 12/12/2024 RSU Vesting Issuer N 3887 12/12/2024 N/A N Razvan Radulescu

3920 Arkwright Rd. Suite 200 Macon GA 31210

Common Stock 12/17/2024 19171 822244.19 02/10/2025 /s/ Matthew Meziere, as attorney-in-fact for Britton Smith