ENGELHARDT EVA ANETTE (EVP, President, CDG) 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

ENGELHARDT EVA ANETTE

Filed: 9/9/2026ACC: 0002024911-26-000006

InsiderENGELHARDT EVA ANETTECIK 2024911

→

IssuerBIO-RAD LABORATORIES, INC.CIK 12208

Officer· EVP, President, CDG

Since Jun 2024

+3.46K

Net shares

Net buyer

$329.7K

Total sold

Open market trades

0B · 0S

Total transactions

6.49K acquired · 3.03K disposed

Non-Derivative Transactions4

Bio-Rad A Common Stock

Direct

M · Option Exercise

+1.03K

Price / share

—

Trade value

—

% of position

204.2%

9/5/2026

503.00→1.53K

Bio-Rad A Common Stock

Direct

F · Tax Withholding

−369.00

Price / share

$386.11

Trade value

$142.47K

% of position

24.1%

9/5/2026

1.53K→1.16K

Bio-Rad A Common Stock

Direct

M · Option Exercise

+1.15K

Price / share

—

Trade value

—

% of position

99.2%

9/6/2026

1.16K→2.31K

Bio-Rad A Common Stock

Direct

F · Tax Withholding

−485.00

Price / share

$386.11

Trade value

$187.26K

% of position

21.0%

9/6/2026

2.31K→1.83K

Total

Net shares

+1.32K

Net value

-$329.74K

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	+1.03K	—	—	204.2%	503.00	1.53K
Bio-Rad A Common Stock Direct	9/5/2026	F · Tax Withholding	−369.00	$386.11	$142.47K	24.1%	1.53K	1.16K
Bio-Rad A Common Stock Direct	9/6/2026	M · Option Exercise	+1.15K	—	—	99.2%	1.16K	2.31K
Bio-Rad A Common Stock Direct	9/6/2026	F · Tax Withholding	−485.00	$386.11	$187.26K	21.0%	2.31K	1.83K
Total			+1.32K		-$329.74K

Derivative Transactions3

Restricted Stock Units

Direct

A · Award

Converts to

Bio-Rad A Common Stock

4.31K shares

+4.31K

Strike price

Held after

4.31K

Exercisable

—

9/4/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Bio-Rad A Common Stock

1.03K shares

−1.03K

Strike price

Held after

3.08K

Exercisable

—

9/5/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Bio-Rad A Common Stock

1.15K shares

−1.15K

Strike price

Held after

2.30K

Exercisable

—

9/6/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Bio-Rad A Common Stock4.31K shares	9/4/2026	A · Award	+4.31K	—	4.31K
Restricted Stock Units Direct	Bio-Rad A Common Stock1.03K shares	9/5/2026	M · Option Exercise	−1.03K	—	3.08K
Restricted Stock Units Direct	Bio-Rad A Common Stock1.15K shares	9/6/2026	M · Option Exercise	−1.15K	—	2.30K