Blue Bird Corp — Director's Dealing 2025

Dec 17, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Blue Bird Corp (BLBD)
CIK: 0001589526
Period of Report: 2025-12-17

Reporting Person: Radulescu Razvan (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-17	Common Stock, par value $0.0001	M	3503	$12.35	Acquired	49683	Direct
2025-12-17	Common Stock, par value $0.0001	M	3503	$12.35	Acquired	53186	Direct
2025-12-17	Common Stock, par value $0.0001	S	7006	$51.58	Disposed	46180	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-12-17	Stock Option (right to buy)	$12.35	M	3503	Disposed	2032-12-12	Common Stock, par value $0.0001 (3503)	Direct
2025-12-17	Stock Option (right to buy)	$12.35	M	3503	Disposed	2032-12-12	Common Stock, par value $0.0001 (3503)	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average price resulting from shares sold in multiple transactions on December 17, 2025, pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2025, at prices ranging from $51.55 to $51.64, inclusive. The reporting person undertakes to provide to Blue Bird Corporation, any security holder of Blue Bird Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F2: The final tranche of the stock option's three tranches vested on December 12, 2025.