American Century Investment Management Inc - Sep 30, 2025 SCHEDULE 13G/A Report for Blue Bird Corporation Common Stock (BLBD)

Filing Manager
AMERICAN CENTURY INVESTMENT MANAGEMENT INC
Reporting Manager
American Century Investment Management, Inc.
Security
Blue Bird Corporation Common Stock
Symbol
BLBD
Shares outstanding
31.8M shares
Disclosed Ownership
1.33M shares
Ownership
4.2%
Form type
SCHEDULE 13G/A
Date filed
11/14/2025, 09:47 AM
Date of event
Sep 30, 2025
Previous filing
Aug 14, 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
American Century Investment Management, Inc. 4.2% 1.33M 1.31M 0 American Century Investment Management, Inc. /s/ John Pak / Senior Vice President
American Century Companies, Inc. 4.2% 1.33M 1.31M 0 American Century Companies, Inc. /s/ John Pak / Senior Vice President
Stowers Institute for Medical Research 4.2% 1.33M 1.31M 0 Stowers Institute for Medical Research /s/ Joselyn Verschelden / Authorized Signer