Norman Schwartz - Sep 5, 2025 Form 4 Insider Report for BIO-RAD LABORATORIES, INC. (BIO BIO.B)

Signature
/s/ Norman Schwartz
Stock symbol
BIO BIO.B
Transactions as of
Sep 5, 2025
Transactions value $
-$451,417
Form type
4
Date filed
9/9/2025, 04:19 PM
Previous filing
Sep 3, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
SCHWARTZ NORMAN D Chairman & CEO, Director, 10%+ Owner C/O BIO-RAD LABORATORIES, INC., 1000 ALFRED NOBEL DRIVE, HERCULES /s/ Norman Schwartz 2025-09-09 0000940805

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BIO BIO.B Bio-Rad A Common Stock Options Exercise $0 +3.46K +0.78% $0.00 445K Sep 6, 2025 Direct F1
transaction BIO BIO.B Bio-Rad A Common Stock Tax liability -$451K -1.53K -0.34% $295.43 443K Sep 6, 2025 Direct
holding BIO BIO.B Bio-Rad B Common Stock 361K Sep 5, 2025 Direct
holding BIO BIO.B Bio-Rad B Common Stock 13K Sep 5, 2025 By Spouse F2
holding BIO BIO.B Bio-Rad B Common Stock 4.06M Sep 5, 2025 By Blue Raven Partners, L.P. F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction BIO BIO.B Restricted Stock Units Award $0 +16.4K $0.00 16.4K Sep 5, 2025 Bio-Rad A Common Stock 16.4K $0.00 Direct F4, F5
transaction BIO BIO.B Restricted Stock Units Options Exercise $0 -3.46K -25% $0.00 10.4K Sep 6, 2025 Bio-Rad A Common Stock 3.46K $0.00 Direct F4, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares of Class A common stock acquired on the vesting of restricted stock units.
F2 The reporting person disclaims beneficial ownership of these shares.
F3 The shares are held by a limited partnership of which the reporting person is a limited and general partner. The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.
F4 Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.
F5 The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.