BARRY JAMES 4

4 · BIO-RAD LABORATORIES, INC. · Filed Sep 3, 2025

Form 4

Period: 2025-09-01

EVP, President, LSG

Transactions

Tax Payment
Bio-Rad A Common Stock
2025-09-01$297.88/sh−217$64,640→ 531.555 total
Exercise/Conversion
Restricted Stock Units
2025-09-01−250→ 502 total
Exercise: $0.00→ Bio-Rad A Common Stock (250 underlying)
Exercise/Conversion
Bio-Rad A Common Stock
2025-09-01+602→ 748.555 total
Exercise/Conversion
Restricted Stock Units
2025-09-01−174→ 174 total
Exercise: $0.00→ Bio-Rad A Common Stock (174 underlying)
Exercise/Conversion
Restricted Stock Units
2025-09-01−178→ 0 total
Exercise: $0.00→ Bio-Rad A Common Stock (178 underlying)

Footnotes (5)

[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]On September 1, 2021, the reporting person was granted 709 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.
[F4]On September 1, 2022, the reporting person was granted 694 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.
[F5]On September 1, 2023, the reporting person was granted 1,002 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.

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