Eva Anette Engelhardt - Sep 5, 2025 Form 4 Insider Report for BIO-RAD LABORATORIES, INC. (BIO BIO.B)

Signature
/s/ Eva Anette Engelhardt
Stock symbol
BIO BIO.B
Transactions as of
Sep 5, 2025
Transactions value $
-$122,013
Form type
4
Date filed
9/9/2025, 04:21 PM
Previous filing
Jul 29, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
ENGELHARDT EVA ANETTE EVP, President, CDG C/O BIO-RAD LABORATORIES, INC., 1000 ALFRED NOBEL DRIVE, HERCULES /s/ Eva Anette Engelhardt 2025-09-09 0002024911

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 +1.15K +733.76% $0.00 1.31K Sep 6, 2025 Direct F1
transaction BIO BIO.B Bio-Rad A Common Stock Tax liability -$122K -413 -31.55% $295.43 896 Sep 6, 2025 Direct

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 +4.11K $0.00 4.11K Sep 5, 2025 Bio-Rad A Common Stock 4.11K $0.00 Direct F2, F3
transaction BIO BIO.B Restricted Stock Units Options Exercise $0 -1.15K -25% $0.00 3.46K Sep 6, 2025 Bio-Rad A Common Stock 1.15K $0.00 Direct F2, F3
* 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 Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.
F3 The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.