Sedat Evran - 05 Sep 2025 Form 4 Insider Report for BIO-RAD LABORATORIES, INC. (BIO)

Role: EVP, Global Supply Chain
Signature: /s/ Sedat Evran
Issuer symbol: BIO
Transactions as of: 05 Sep 2025
Net transactions value: -$81,834
Form type: 4
Filing time: 09 Sep 2025, 16:24:03 UTC
Previous filing: 05 Mar 2025
Next filing: 21 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
EVRAN SEDAT	EVP, Global Supply Chain	C/O BIO-RAD LABORATORIES, INC., 1000 ALFRED NOBEL DRIVE, HERCULES	/s/ Sedat Evran	09 Sep 2025	0001993147

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	+864	+92%	$0.000000	1,801	06 Sep 2025	Direct	F1, F2
transaction	BIO BIO.B	Bio-Rad A Common Stock	Tax liability	$81,834	-277	-15%	$295.43	1,524	06 Sep 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	+4,110		$0.000000	4,110	05 Sep 2025	Bio-Rad A Common Stock	4,110	$0.000000	Direct	F3, F4
transaction	BIO BIO.B	Restricted Stock Units	Options Exercise	$0	-864	-25%	$0.000000	2,592	06 Sep 2025	Bio-Rad A Common Stock	864	$0.000000	Direct	F3, F4

* 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	Includes 56.9880 and 26.7190 shares acquired under the Bio-Rad Employee Stock Purchase Plan on 03/31/2025 and 06/30/2025, respectively.
F3	Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.
F4	The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.