Jonathan P. DiVincenzo - Oct 24, 2025 Form 4 Insider Report for BIO-RAD LABORATORIES, INC. (BIO BIO.B)

Role
President & COO
Signature
/s/ Jonathan P. DiVincenzo
Stock symbol
BIO BIO.B
Transactions as of
Oct 24, 2025
Transactions value $
-$322,763
Form type
4
Date filed
10/28/2025, 12:29 PM
Previous filing
Sep 9, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
DiVincenzo Jonathan P. President & COO C/O BIO-RAD LABORATORIES, INC., 1000 ALFRED NOBEL DRIVE, HERCULES /s/ Jonathan P. DiVincenzo 2025-10-27 0001453524

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 +1.87K $0.00 1.87K Oct 24, 2025 Direct F1
transaction BIO BIO.B Bio-Rad A Common Stock Tax liability -$323K -950 -50.83% $339.75 919 Oct 24, 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 Options Exercise $0 -1.87K -24.99% $0.00 5.61K Oct 24, 2025 Bio-Rad A Common Stock 1.87K $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.