BIO

SEC source: 0001976271-25-000004 · wk-form4_1756936927.xml · nonDerivative · entry 1

COREY COLLEEN · CIK 0001976271 · EVP, Global Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,581

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Shares of Class A common stock acquired on the vesting of restricted stock units.

SEC source: 0000940805-25-000004 · wk-form4_1756936850.xml · derivative · entry 8

SCHWARTZ NORMAN D · CIK 0000940805 · Director · Chairman & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,010

Underlying: Bio-Rad A Common Stock · 3,005 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F7 · derivative.exercise_date: On September 1, 2023, the reporting person was granted 12,020 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.

F7 · derivative.expiration_date: On September 1, 2023, the reporting person was granted 12,020 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000940805-25-000004 · wk-form4_1756936850.xml · derivative · entry 7

SCHWARTZ NORMAN D · CIK 0000940805 · Director · Chairman & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,082

Underlying: Bio-Rad A Common Stock · 2,082 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F6 · derivative.exercise_date: On September 1, 2022, the reporting person was granted 8,326 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.

F6 · derivative.expiration_date: On September 1, 2022, the reporting person was granted 8,326 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000940805-25-000004 · wk-form4_1756936850.xml · derivative · entry 6

SCHWARTZ NORMAN D · CIK 0000940805 · Director · Chairman & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Bio-Rad A Common Stock · 1,266 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F5 · derivative.exercise_date: On September 1, 2021, the reporting person was granted 5,064 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.

F5 · derivative.expiration_date: On September 1, 2021, the reporting person was granted 5,064 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0000940805-25-000004 · wk-form4_1756936850.xml · nonDerivative · entry 2

SCHWARTZ NORMAN D · CIK 0000940805 · Director · Chairman & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 441,507

SEC source: 0000940805-25-000004 · wk-form4_1756936850.xml · nonDerivative · entry 1

SCHWARTZ NORMAN D · CIK 0000940805 · Director · Chairman & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 444,591

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Shares of Class A common stock acquired on the vesting of restricted stock units.

SEC source: 0001628280-25-036472 · wk-form4_1753824050.xml · derivative · entry 3

ENGELHARDT EVA ANETTE · CIK 0002024911 · EVP, President, CDG

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 738

Underlying: Bio-Rad A Common Stock · 245 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F3 · derivative.exercise_date: The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.

F3 · derivative.expiration_date: The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.

SEC source: 0001628280-25-036472 · wk-form4_1753824050.xml · nonDerivative · entry 2

ENGELHARDT EVA ANETTE · CIK 0002024911 · EVP, President, CDG

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 157

SEC source: 0001628280-25-036472 · wk-form4_1753824050.xml · nonDerivative · entry 1

ENGELHARDT EVA ANETTE · CIK 0002024911 · EVP, President, CDG

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 245

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Shares of Class A common stock acquired on the vesting of restricted stock units.

SEC source: 0001062993-25-008078 · form4.xml · derivative · entry 3

Lakkaraju Roop Kalyan · CIK 0001396867 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,234

Underlying: Bio-Rad A Common Stock · 1,077 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F4 · derivative.exercise_date: On April 24, 2024, the reporting person was granted 4,311 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.

F4 · derivative.expiration_date: On April 24, 2024, the reporting person was granted 4,311 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001062993-25-008078 · form4.xml · nonDerivative · entry 2

Lakkaraju Roop Kalyan · CIK 0001396867 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 845.384

SEC source: 0001062993-25-008078 · form4.xml · nonDerivative · entry 1

Lakkaraju Roop Kalyan · CIK 0001396867 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,231.384

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Shares of Class A common stock acquired on the vesting of restricted stock units.

F2 · balance_after: Includes 66.8810 shares acquired under the Bio-Rad Employee Stock Purchase Plan on 03/31/2025.

SEC source: 0001062993-25-008077 · form4.xml · derivative · entry 3

ENLOE COURTNEY C · CIK 0002019843 · EVP, General Counsel & Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 558

Underlying: Bio-Rad A Common Stock · 186 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F4 · derivative.exercise_date: On April 24, 2024, the reporting person was granted 744 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.

F4 · derivative.expiration_date: On April 24, 2024, the reporting person was granted 744 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001062993-25-008077 · form4.xml · nonDerivative · entry 2

ENLOE COURTNEY C · CIK 0002019843 · EVP, General Counsel & Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 129.393

SEC source: 0001062993-25-008077 · form4.xml · nonDerivative · entry 1

ENLOE COURTNEY C · CIK 0002019843 · EVP, General Counsel & Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 196.393

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Shares of Class A common stock acquired on the vesting of restricted stock units.

F2 · balance_after: Includes 5.5730 shares acquired under the Bio-Rad Employee Stock Purchase Plan on 03/31/2025.

SEC source: 0001062993-25-007908 · form4.xml · derivative · entry 3

PINKSTON ARNOLD A · CIK 0001343989 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Bio-Rad A Common Stock · 308 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F4 · derivative.exercise_date: On September 6, 2024, the reporting person was granted 308 restricted stock units, vesting at 100% on the earlier of the first anniversary of the grant date or the date of the company's next annual meeting of stockholders.

F4 · derivative.expiration_date: On September 6, 2024, the reporting person was granted 308 restricted stock units, vesting at 100% on the earlier of the first anniversary of the grant date or the date of the company's next annual meeting of stockholders.

SEC source: 0001062993-25-007908 · form4.xml · derivative · entry 2

PINKSTON ARNOLD A · CIK 0001343989 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 407

Underlying: Bio-Rad A Common Stock · 407 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F3 · derivative.exercise_date: The restricted stock units will vest 100% on the earlier of the first anniversary of the grant date or the date of the company's next annual meeting of stockholders.

F3 · derivative.expiration_date: The restricted stock units will vest 100% on the earlier of the first anniversary of the grant date or the date of the company's next annual meeting of stockholders.

SEC source: 0001062993-25-007908 · form4.xml · nonDerivative · entry 1

PINKSTON ARNOLD A · CIK 0001343989 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 308

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Shares of Class A common stock acquired on the vesting of restricted stock units.

SEC source: 0001062993-25-007907 · form4.xml · derivative · entry 3

PEI MELINDA LITHERLAND · CIK 0001703469 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Bio-Rad A Common Stock · 308 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F4 · derivative.exercise_date: On September 6, 2024, the reporting person was granted 308 restricted stock units, vesting at 100% on the earlier of the first anniversary of the grant date or the date of the company's next annual meeting of stockholders.

F4 · derivative.expiration_date: On September 6, 2024, the reporting person was granted 308 restricted stock units, vesting at 100% on the earlier of the first anniversary of the grant date or the date of the company's next annual meeting of stockholders.

SEC source: 0001062993-25-007907 · form4.xml · derivative · entry 2

PEI MELINDA LITHERLAND · CIK 0001703469 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 407

Underlying: Bio-Rad A Common Stock · 407 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F3 · derivative.exercise_date: The restricted stock units will vest 100% on the earlier of the first anniversary of the grant date or the date of the company's next annual meeting of stockholders.

F3 · derivative.expiration_date: The restricted stock units will vest 100% on the earlier of the first anniversary of the grant date or the date of the company's next annual meeting of stockholders.

SEC source: 0001062993-25-007907 · form4.xml · nonDerivative · entry 1

PEI MELINDA LITHERLAND · CIK 0001703469 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 308

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Shares of Class A common stock acquired on the vesting of restricted stock units.

SEC source: 0001062993-25-007906 · form4.xml · derivative · entry 3

HINCKLEY GREGORY K · CIK 0001239182 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Bio-Rad A Common Stock · 308 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F4 · derivative.exercise_date: On September 6, 2024, the reporting person was granted 308 restricted stock units, vesting at 100% on the earlier of the first anniversary of the grant date or the date of the Company's next annual stockholder meeting following the grant date.

F4 · derivative.expiration_date: On September 6, 2024, the reporting person was granted 308 restricted stock units, vesting at 100% on the earlier of the first anniversary of the grant date or the date of the Company's next annual stockholder meeting following the grant date.

SEC source: 0001062993-25-007906 · form4.xml · derivative · entry 2

HINCKLEY GREGORY K · CIK 0001239182 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 407

Underlying: Bio-Rad A Common Stock · 407 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F3 · derivative.exercise_date: The restricted stock units will vest 100% on the earlier of the first anniversary of the grant date or the date of the company's next annual meeting of stockholders.

F3 · derivative.expiration_date: The restricted stock units will vest 100% on the earlier of the first anniversary of the grant date or the date of the company's next annual meeting of stockholders.

SEC source: 0001062993-25-007906 · form4.xml · nonDerivative · entry 1

HINCKLEY GREGORY K · CIK 0001239182 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 308

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Shares of Class A common stock acquired on the vesting of restricted stock units.

SEC source: 0001062993-25-007905 · form4.xml · derivative · entry 3

EDWARDS JEFFREY L · CIK 0001190642 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Bio-Rad A Common Stock · 308 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F4 · derivative.exercise_date: On September 6, 2024, the reporting person was granted 308 restricted stock units, vesting at 100% on the earlier of the first anniversary of the grant date or the date of the Company's next annual stockholder meeting following the grant date.

F4 · derivative.expiration_date: On September 6, 2024, the reporting person was granted 308 restricted stock units, vesting at 100% on the earlier of the first anniversary of the grant date or the date of the Company's next annual stockholder meeting following the grant date.

SEC source: 0001062993-25-007905 · form4.xml · derivative · entry 2

EDWARDS JEFFREY L · CIK 0001190642 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 407

Underlying: Bio-Rad A Common Stock · 407 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F3 · derivative.exercise_date: The restricted stock units will vest 100% on the earlier of the first anniversary of the grant date or the date of the company's next annual meeting of stockholders.

F3 · derivative.expiration_date: The restricted stock units will vest 100% on the earlier of the first anniversary of the grant date or the date of the company's next annual meeting of stockholders.

SEC source: 0001062993-25-007905 · form4.xml · nonDerivative · entry 1

EDWARDS JEFFREY L · CIK 0001190642 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 308

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Shares of Class A common stock acquired on the vesting of restricted stock units.

SEC source: 0001062993-25-005730 · form4.xml · derivative · entry 3

Crowley Michael · CIK 0001629381 · EVP, GBL Commercial Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Bio-Rad A Common Stock · 3,000 shares

Expires 2026-09-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The option, representing a right to purchase a total of 3,000 shares, became exercisable in five equal annual installments beginning on September 7, 2017, which was the first anniversary of the date on which the option was granted.

SEC source: 0001062993-25-005730 · form4.xml · nonDerivative · entry 2

Crowley Michael · CIK 0001629381 · EVP, GBL Commercial Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,171

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $245.0239 to $249.1550, inclusive. The reporting person undertakes to provide to Bio-Rad Laboratories, Inc., any security holder of Bio-Rad Laboratories, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001062993-25-005730 · form4.xml · nonDerivative · entry 1

Crowley Michael · CIK 0001629381 · EVP, GBL Commercial Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,171

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001062993-25-004609 · form4.xml · derivative · entry 5

SCHWARTZ NORMAN D · CIK 0000940805 · Director · Chairman & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,671

Underlying: Bio-Rad A Common Stock · 11,671 shares

Expires 2035-03-03

F3 · derivative.exercise_date: The stock option vests over four years at 25% per year on the yearly anniversary date of the grant.

SEC source: 0001062993-25-004603 · form4.xml · derivative · entry 2

Lakkaraju Roop Kalyan · CIK 0001396867 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,891

Underlying: Bio-Rad A Common Stock · 3,891 shares

Expires 2035-03-03

F2 · derivative.exercise_date: The stock option vests over four years at 25% per year on the yearly anniversary date of the grant.

SEC source: 0001062993-25-004599 · form4.xml · derivative · entry 1

BARRY JAMES · CIK 0002022345 · EVP, President, LSG

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,918

Underlying: Bio-Rad A Common Stock · 2,918 shares

Expires 2035-03-03

F1 · derivative.exercise_date: The stock option vests over four years at 25% per year on the yearly anniversary date of the grant.

SEC source: 0001062993-25-004596 · form4.xml · derivative · entry 2

ENLOE COURTNEY C · CIK 0002019843 · EVP, General Counsel & Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,946

Underlying: Bio-Rad A Common Stock · 1,946 shares

Expires 2035-03-03

F2 · derivative.exercise_date: The stock option vests over four years at 25% per year on the yearly anniversary date of the grant.

SEC source: 0001062993-25-004595 · form4.xml · derivative · entry 1

ENGELHARDT EVA ANETTE · CIK 0002024911 · EVP, President, CDG

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,918

Underlying: Bio-Rad A Common Stock · 2,918 shares

Expires 2035-03-03

F1 · derivative.exercise_date: The stock option vests over four years at 25% per year on the yearly anniversary date of the grant.

SEC source: 0001062993-25-004593 · form4.xml · derivative · entry 1

COREY COLLEEN · CIK 0001976271 · EVP, Global Human Resources

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,946

Underlying: Bio-Rad A Common Stock · 1,946 shares

Expires 2035-03-03

F1 · derivative.exercise_date: The stock option vests over four years at 25% per year on the yearly anniversary date of the grant.

SEC source: 0001062993-25-004591 · form4.xml · derivative · entry 1

EVRAN SEDAT · CIK 0001993147 · EVP, Global Supply Chain

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,918

Underlying: Bio-Rad A Common Stock · 2,918 shares

Expires 2035-03-03

F1 · derivative.exercise_date: The stock option vests over four years at 25% per year on the yearly anniversary date of the grant.

SEC source: 0001062993-25-004589 · form4.xml · derivative · entry 1

DiVincenzo Jonathan P. · CIK 0001453524 · President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,863

Underlying: Bio-Rad A Common Stock · 4,863 shares

Expires 2035-03-03

F1 · derivative.exercise_date: The stock option vests over four years at 25% per year on the yearly anniversary date of the grant.

SEC source: 0001062993-24-017972 · form4.xml · derivative · entry 1

DiVincenzo Jonathan P. · CIK 0001453524 · President & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,478

Underlying: Bio-Rad A Common Stock · 7,478 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F2 · derivative.exercise_date: The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.

F2 · derivative.expiration_date: The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.

SEC source: 0001062993-24-017850 · form4.xml · derivative · entry 3

EVRAN SEDAT · CIK 0001993147 · EVP, Global Supply Chain

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,132

Underlying: Bio-Rad A Common Stock · 1,044 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F4 · derivative.exercise_date: On October 20, 2023, the reporting person was granted 4,176 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.

F4 · derivative.expiration_date: On October 20, 2023, the reporting person was granted 4,176 restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.

SEC source: 0001062993-24-017850 · form4.xml · nonDerivative · entry 2

EVRAN SEDAT · CIK 0001993147 · EVP, Global Supply Chain

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 853.14

SEC source: 0001062993-24-017850 · form4.xml · nonDerivative · entry 1

EVRAN SEDAT · CIK 0001993147 · EVP, Global Supply Chain

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,188.14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Shares of Class A common stock acquired on the vesting of restricted stock units.

F2 · balance_after: Includes 49.0480, 41.3870 and 33.7050 shares acquired under the Bio-Rad Employee Stock Purchase Plan on 12/31/2023, 03/31/2024 and 06/30/2024, respectively.

SEC source: 0001062993-24-016398 · form4.xml · derivative · entry 1

ENGELHARDT EVA ANETTE · CIK 0002024911 · EVP, President, CDG

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,608

Underlying: Bio-Rad A Common Stock · 4,608 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F2 · derivative.exercise_date: The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.

F2 · derivative.expiration_date: The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.

SEC source: 0001062993-24-016396 · form4.xml · derivative · entry 1

ENLOE COURTNEY C · CIK 0002019843 · EVP, General Counsel & Sec

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,072

Underlying: Bio-Rad A Common Stock · 3,072 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F2 · derivative.exercise_date: The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.

F2 · derivative.expiration_date: The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.

SEC source: 0001062993-24-016394 · form4.xml · derivative · entry 1

Lakkaraju Roop Kalyan · CIK 0001396867 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,143

Underlying: Bio-Rad A Common Stock · 6,143 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F2 · derivative.exercise_date: The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.

F2 · derivative.expiration_date: The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.

SEC source: 0001062993-24-016392 · form4.xml · derivative · entry 1

EVRAN SEDAT · CIK 0001993147 · EVP, Global Supply Chain

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,456

Underlying: Bio-Rad A Common Stock · 3,456 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F2 · derivative.exercise_date: The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.

F2 · derivative.expiration_date: The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.

SEC source: 0001062993-24-016388 · form4.xml · derivative · entry 5

SCHWARTZ NORMAN D · CIK 0000940805 · Director · Chairman & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,822

Underlying: Bio-Rad A Common Stock · 13,822 shares

Expires not disclosed

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Bio-Rad Class A common stock.

F4 · derivative.exercise_date: The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.

F4 · derivative.expiration_date: The restricted stock units vest over four years at 25% per year on the yearly anniversary date of the grant.

SEC source: 0001062993-24-016386 · form4.xml · derivative · entry 3

Last Andrew J. · CIK 0001485088 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Bio-Rad A Common Stock · 3,000 shares

Expires 2029-04-29

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: The option, representing a right to purchase a total of 5,000 shares, became exercisable in five equal annual installments beginning on April 29, 2019, which was the first anniversary of the date on which the option was granted.

SEC source: 0001062993-24-016386 · form4.xml · nonDerivative · entry 2

Last Andrew J. · CIK 0001485088 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,559.4501

SEC source: 0001062993-24-016386 · form4.xml · nonDerivative · entry 1

Last Andrew J. · CIK 0001485088 · EVP, Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,559.4501

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.