Norman D. Schwartz - 25 Sep 2025 SCHEDULE 13D/A Report for Bio-Rad Laboratories, Inc. Class A Common Stock (BIO)

Filing Manager
Norman D. Schwartz
Reporting Manager
Norman D. Schwartz
Security
Bio-Rad Laboratories, Inc. Class A Common Stock
Symbol
BIO
Shares outstanding
22,115,904 shares
Disclosed Ownership
3,228,922 shares
Ownership
15%
Form type
SCHEDULE 13D/A
Filing time
28 Oct 2025, 16:30:12 UTC
Date of event
25 Sep 2025
SEC
View on sec.gov

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Norman D. Schwartz 15% 3,228,922 3,211,777 17,145 /s/ Norman D. Schwartz Norman D. Schwartz, Individually 0000940805
Alice N. Schwartz Revocable Trust 8.1% 1,781,356 1,781,356 0 /s/ Norman D. Schwartz Norman D. Schwartz, Trustee