SCHWARTZ NORMAN D (Chairman, President, and CEO) exercised options at BIO-RAD LABORATORIES, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 2 exercises

SCHWARTZ NORMAN D

Filed: 9/9/2026ACC: 0000940805-26-000004

InsiderSCHWARTZ NORMAN DCIK 940805

→

IssuerBIO-RAD LABORATORIES, INC.CIK 12208

DirectorOfficer10% Owner· Chairman, President, and CEO

Since Sep 2018

+12.52K

Net shares

Net buyer

$1.83M

Total sold

Open market trades

0B · 0S

Total transactions

24.82K acquired · 12.29K disposed

Non-Derivative Transactions4

Bio-Rad A Common Stock

Direct

M · Option Exercise

+4.11K

Price / share

—

Trade value

—

% of position

0.9%

9/5/2026

446.19K→450.29K

Bio-Rad A Common Stock

Direct

F · Tax Withholding

−2.88K

Price / share

$386.11

Trade value

$1.11M

% of position

0.6%

9/5/2026

450.29K→447.42K

Bio-Rad A Common Stock

Direct

M · Option Exercise

+3.46K

Price / share

—

Trade value

—

% of position

0.8%

9/6/2026

447.42K→450.87K

Bio-Rad A Common Stock

Direct

F · Tax Withholding

−1.85K

Price / share

$386.11

Trade value

$715.85K

% of position

0.4%

9/6/2026

450.87K→449.02K

Total

Net shares

+2.83K

Net value

-$1.83M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Bio-Rad A Common Stock Direct	9/5/2026	M · Option Exercise	+4.11K	—	—	0.9%	446.19K	450.29K
Bio-Rad A Common Stock Direct	9/5/2026	F · Tax Withholding	−2.88K	$386.11	$1.11M	0.6%	450.29K	447.42K
Bio-Rad A Common Stock Direct	9/6/2026	M · Option Exercise	+3.46K	—	—	0.8%	447.42K	450.87K
Bio-Rad A Common Stock Direct	9/6/2026	F · Tax Withholding	−1.85K	$386.11	$715.85K	0.4%	450.87K	449.02K
Total			+2.83K		-$1.83M

Derivative Transactions3

Restricted Stock Units

Direct

A · Award

Converts to

Bio-Rad A Common Stock

17.25K shares

+17.25K

Strike price

Held after

17.25K

Exercisable

—

9/4/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Bio-Rad A Common Stock

4.11K shares

−4.11K

Strike price

Held after

12.33K

Exercisable

—

9/5/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Bio-Rad A Common Stock

3.46K shares

−3.46K

Strike price

Held after

6.91K

Exercisable

—

9/6/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Bio-Rad A Common Stock17.25K shares	9/4/2026	A · Award	+17.25K	—	17.25K
Restricted Stock Units Direct	Bio-Rad A Common Stock4.11K shares	9/5/2026	M · Option Exercise	−4.11K	—	12.33K
Restricted Stock Units Direct	Bio-Rad A Common Stock3.46K shares	9/6/2026	M · Option Exercise	−3.46K	—	6.91K

Non-Derivative Holdings (Post-Transaction)10

Bio-Rad A Common Stock

Indirect

Shares owned90.00

Bio-Rad A Common Stock

Indirect

Shares owned240.00

Bio-Rad A Common Stock

Indirect

Shares owned34.31K

Bio-Rad B Common Stock

Indirect

Shares owned13.01K

Bio-Rad B Common Stock

Indirect

Shares owned4.06M

Bio-Rad B Common Stock

Indirect

Shares owned57K

Bio-Rad B Common Stock

Indirect

Shares owned437.51K

Bio-Rad A Common Stock

Indirect

Shares owned1.78M

Bio-Rad A Common Stock

Indirect

Shares owned898.93K

Bio-Rad B Common Stock

Direct

Shares owned361.47K

Total

361.47K direct·7.28M indirect7.64M

Security Title	Shares Owned	Ownership Type
Bio-Rad A Common Stock	90.00	Indirect
Bio-Rad A Common Stock	240.00	Indirect
Bio-Rad A Common Stock	34.31K	Indirect
Bio-Rad B Common Stock	13.01K	Indirect
Bio-Rad B Common Stock	4.06M	Indirect
Bio-Rad B Common Stock	57K	Indirect
Bio-Rad B Common Stock	437.51K	Indirect
Bio-Rad A Common Stock	1.78M	Indirect
Bio-Rad A Common Stock	898.93K	Indirect
Bio-Rad B Common Stock	361.47K	Direct
Total	7.64M	361.47K direct·7.28M indirect

Derivative Holdings (Post-Transaction)0

No derivative holdings reported