LAKKARAJU ROOP KALYAN (EVP, Chief Financial Officer) 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

LAKKARAJU ROOP KALYAN

Filed: 9/9/2026ACC: 0001396867-26-000004

InsiderLAKKARAJU ROOP KALYANCIK 1396867

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IssuerBIO-RAD LABORATORIES, INC.CIK 12208

Officer· EVP, Chief Financial Officer

Since Apr 2024

+4.99K

Net shares

Net buyer

$517.8K

Total sold

Open market trades

0B · 0S

Total transactions

9.23K acquired · 4.25K disposed

Non-Derivative Transactions4

Bio-Rad A Common Stock

Direct

M · Option Exercise

+1.37K

Price / share

—

Trade value

—

% of position

53.0%

9/5/2026

2.59K→3.96K

Bio-Rad A Common Stock

Direct

F · Tax Withholding

−559.00

Price / share

$386.11

Trade value

$215.84K

% of position

14.1%

9/5/2026

3.96K→3.40K

Bio-Rad A Common Stock

Direct

M · Option Exercise

+1.54K

Price / share

—

Trade value

—

% of position

45.2%

9/6/2026

3.40K→4.93K

Bio-Rad A Common Stock

Direct

F · Tax Withholding

−782.00

Price / share

$386.11

Trade value

$301.94K

% of position

15.9%

9/6/2026

4.93K→4.15K

Total

Net shares

+1.56K

Net value

-$517.77K

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	+1.37K	—	—	53.0%	2.59K	3.96K
Bio-Rad A Common Stock Direct	9/5/2026	F · Tax Withholding	−559.00	$386.11	$215.84K	14.1%	3.96K	3.40K
Bio-Rad A Common Stock Direct	9/6/2026	M · Option Exercise	+1.54K	—	—	45.2%	3.40K	4.93K
Bio-Rad A Common Stock Direct	9/6/2026	F · Tax Withholding	−782.00	$386.11	$301.94K	15.9%	4.93K	4.15K
Total			+1.56K		-$517.77K

Derivative Transactions3

Restricted Stock Units

Direct

A · Award

Converts to

Bio-Rad A Common Stock

6.33K shares

+6.33K

Strike price

Held after

6.33K

Exercisable

—

9/4/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Bio-Rad A Common Stock

1.37K shares

−1.37K

Strike price

Held after

4.11K

Exercisable

—

9/5/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Bio-Rad A Common Stock

1.54K shares

−1.54K

Strike price

Held after

3.07K

Exercisable

—

9/6/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Bio-Rad A Common Stock6.33K shares	9/4/2026	A · Award	+6.33K	—	6.33K
Restricted Stock Units Direct	Bio-Rad A Common Stock1.37K shares	9/5/2026	M · Option Exercise	−1.37K	—	4.11K
Restricted Stock Units Direct	Bio-Rad A Common Stock1.54K shares	9/6/2026	M · Option Exercise	−1.54K	—	3.07K