CERS

SEC source: 0001209191-22-019066 · doc4.xml · nonDerivative · entry 2

Greenman William Mariner · CIK 0001377258 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,885,141

F2 · shares: Represents the number of shares required to be sold to cover the statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II. This sale is mandated by the election to satisfy the minimum statutory tax withholding obligations through a "sell to cover" transaction and does not represent a discretionary sale by the reporting person.

F3 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019065 · doc4.xml · nonDerivative · entry 6

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 369,414

F2 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirements of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II and does not represent a discretionary sale by the reporting person.

F3 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019065 · doc4.xml · nonDerivative · entry 4

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 354,599

F2 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirements of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II and does not represent a discretionary sale by the reporting person.

F3 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019065 · doc4.xml · nonDerivative · entry 2

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 327,097

F2 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirements of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II and does not represent a discretionary sale by the reporting person.

F3 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019064 · doc4.xml · nonDerivative · entry 6

CORASH LAURENCE M · CIK 0001193209 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,126,716

F2 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirements of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II and does not represent a discretionary sale by the reporting person.

F3 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019064 · doc4.xml · nonDerivative · entry 4

CORASH LAURENCE M · CIK 0001193209 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,116,031

F2 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirements of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II and does not represent a discretionary sale by the reporting person.

F3 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019064 · doc4.xml · nonDerivative · entry 2

CORASH LAURENCE M · CIK 0001193209 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,101,434

F2 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirements of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II and does not represent a discretionary sale by the reporting person.

F3 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019063 · doc4.xml · nonDerivative · entry 6

Green Kevin Dennis · CIK 0001459351 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 280,334

F2 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirements of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II and does not represent a discretionary sale by the reporting person.

F3 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019063 · doc4.xml · nonDerivative · entry 4

Green Kevin Dennis · CIK 0001459351 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 266,444

F2 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirements of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II and does not represent a discretionary sale by the reporting person.

F3 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019063 · doc4.xml · nonDerivative · entry 2

Green Kevin Dennis · CIK 0001459351 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 251,847

F2 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirements of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II and does not represent a discretionary sale by the reporting person.

F3 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019062 · doc4.xml · nonDerivative · entry 6

Benjamin Richard J · CIK 0001296322 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 182,665

F2 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirements of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II and does not represent a discretionary sale by the reporting person.

F3 · price: This transaction was executed pursuant to a 10b5-1 plan. The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019062 · doc4.xml · nonDerivative · entry 4

Benjamin Richard J · CIK 0001296322 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 171,980

F2 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirements of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II and does not represent a discretionary sale by the reporting person.

F3 · price: This transaction was executed pursuant to a 10b5-1 plan. The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019062 · doc4.xml · nonDerivative · entry 2

Benjamin Richard J · CIK 0001296322 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 157,383

F2 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirements of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II and does not represent a discretionary sale by the reporting person.

F3 · price: This transaction was executed pursuant to a 10b5-1 plan. The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019303 · doc4.xml · nonDerivative · entry 6

Moore Carol · CIK 0001574700 · SVP Reg. & Quality

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 279,268

F2 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirements of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II and does not represent a discretionary sale by the reporting person.

F3 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019303 · doc4.xml · nonDerivative · entry 4

Moore Carol · CIK 0001574700 · SVP Reg. & Quality

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 271,789

F2 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirements of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II and does not represent a discretionary sale by the reporting person.

F3 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019303 · doc4.xml · nonDerivative · entry 2

Moore Carol · CIK 0001574700 · SVP Reg. & Quality

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 257,192

F2 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirements of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II and does not represent a discretionary sale by the reporting person.

F3 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019301 · doc4.xml · nonDerivative · entry 6

Menard Chrystal · CIK 0001564252 · Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 174,871

F2 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirements of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II and does not represent a discretionary sale by the reporting person.

F3 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019301 · doc4.xml · nonDerivative · entry 4

Menard Chrystal · CIK 0001564252 · Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 164,186

F2 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirements of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II and does not represent a discretionary sale by the reporting person.

F3 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019301 · doc4.xml · nonDerivative · entry 2

Menard Chrystal · CIK 0001564252 · Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 149,589

F2 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirements of Rule 10b5-1 that was elected by the Reporting Person on the date of grant to cover statutory tax withholding obligations and corresponding brokerage fee in connection with the vesting of the restricted stock units listed in Table II and does not represent a discretionary sale by the reporting person.

F3 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.871 to $5.22 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, 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 aforementioned range set forth.

SEC source: 0001209191-22-019066 · doc4.xml · derivative · entry 9

Greenman William Mariner · CIK 0001377258 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,333

Underlying: Common Stock · 64,667 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.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

F5 · price: Not applicable.

F7 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2022.

F7 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2022.

SEC source: 0001209191-22-019066 · doc4.xml · derivative · entry 8

Greenman William Mariner · CIK 0001377258 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 107,525

Underlying: Common Stock · 104,362 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.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

F5 · price: Not applicable.

F6 · derivative.exercise_date: The restricted stock unit vests 33% on March 12, 2021, 33% on March 12, 2022 and 34% on March 12, 2023.

F6 · derivative.expiration_date: The restricted stock unit vests 33% on March 12, 2021, 33% on March 12, 2022 and 34% on March 12, 2023.

SEC source: 0001209191-22-019066 · doc4.xml · derivative · entry 7

Greenman William Mariner · CIK 0001377258 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 151,666 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.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

F5 · price: Not applicable.

F4 · derivative.exercise_date: The restricted stock unit vests 33% on March 12, 2020, 33% on March 12, 2021 and 34% on March 12, 2022.

F4 · derivative.expiration_date: The restricted stock unit vests 33% on March 12, 2020, 33% on March 12, 2021 and 34% on March 12, 2022.

SEC source: 0001209191-22-019066 · doc4.xml · nonDerivative · entry 5

Greenman William Mariner · CIK 0001377258 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,000,468

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 · price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

SEC source: 0001209191-22-019066 · doc4.xml · nonDerivative · entry 3

Greenman William Mariner · CIK 0001377258 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,989,503

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 · price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

SEC source: 0001209191-22-019066 · doc4.xml · nonDerivative · entry 1

Greenman William Mariner · CIK 0001377258 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,963,184

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 · price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

SEC source: 0001209191-22-019065 · doc4.xml · derivative · entry 9

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 25,000 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.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

F5 · price: Not applicable.

F7 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2022.

F7 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2022.

SEC source: 0001209191-22-019065 · doc4.xml · derivative · entry 8

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,200

Underlying: Common Stock · 42,900 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.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

F5 · price: Not applicable.

F6 · derivative.exercise_date: The restricted stock unit vests 33% on March 12, 2021, 33% on March 12, 2022 and 34% on March 12, 2023.

F6 · derivative.expiration_date: The restricted stock unit vests 33% on March 12, 2021, 33% on March 12, 2022 and 34% on March 12, 2023.

SEC source: 0001209191-22-019065 · doc4.xml · derivative · entry 7

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 45,000 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.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

F5 · price: Not applicable.

F4 · derivative.exercise_date: The restricted stock unit vests 33% on March 12, 2020, 33% on March 12, 2021 and 34% on March 12, 2022.

F4 · derivative.expiration_date: The restricted stock unit vests 33% on March 12, 2020, 33% on March 12, 2021 and 34% on March 12, 2022.

SEC source: 0001209191-22-019065 · doc4.xml · nonDerivative · entry 5

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 379,599

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 · price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

SEC source: 0001209191-22-019065 · doc4.xml · nonDerivative · entry 3

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 369,997

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 · price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

SEC source: 0001209191-22-019065 · doc4.xml · nonDerivative · entry 1

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 343,248

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 · price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

SEC source: 0001209191-22-019064 · doc4.xml · derivative · entry 9

CORASH LAURENCE M · CIK 0001193209 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,333

Underlying: Common Stock · 16,667 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.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

F5 · price: Not applicable.

F7 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2022.

F7 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2022.

SEC source: 0001209191-22-019064 · doc4.xml · derivative · entry 8

CORASH LAURENCE M · CIK 0001193209 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,460

Underlying: Common Stock · 22,770 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.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

F5 · price: Not applicable.

F6 · derivative.exercise_date: The restricted stock unit vests 33% on March 12, 2021, 33% on March 12, 2022 and 34% on March 12, 2023.

F6 · derivative.expiration_date: The restricted stock unit vests 33% on March 12, 2021, 33% on March 12, 2022 and 34% on March 12, 2023.

SEC source: 0001209191-22-019064 · doc4.xml · derivative · entry 7

CORASH LAURENCE M · CIK 0001193209 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 45,000 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.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

F5 · price: Not applicable.

F4 · derivative.exercise_date: The restricted stock unit vests 33% on March 12, 2020, 33% on March 12, 2021 and 34% on March 12, 2022.

F4 · derivative.expiration_date: The restricted stock unit vests 33% on March 12, 2020, 33% on March 12, 2021 and 34% on March 12, 2022.

SEC source: 0001209191-22-019064 · doc4.xml · nonDerivative · entry 5

CORASH LAURENCE M · CIK 0001193209 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,132,698

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 · price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

SEC source: 0001209191-22-019064 · doc4.xml · nonDerivative · entry 3

CORASH LAURENCE M · CIK 0001193209 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,124,204

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 · price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

SEC source: 0001209191-22-019064 · doc4.xml · nonDerivative · entry 1

CORASH LAURENCE M · CIK 0001193209 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,117,586

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 · price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

SEC source: 0001209191-22-019063 · doc4.xml · derivative · entry 9

Green Kevin Dennis · CIK 0001459351 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,333

Underlying: Common Stock · 21,667 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.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

F5 · price: Not applicable.

F7 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2022.

F7 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2022.

SEC source: 0001209191-22-019063 · doc4.xml · derivative · entry 8

Green Kevin Dennis · CIK 0001459351 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,460

Underlying: Common Stock · 22,770 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.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

F5 · price: Not applicable.

F6 · derivative.exercise_date: The restricted stock unit vests 33% on March 12, 2021, 33% on March 12, 2022 and 34% on March 12, 2023.

F6 · derivative.expiration_date: The restricted stock unit vests 33% on March 12, 2021, 33% on March 12, 2022 and 34% on March 12, 2023.

SEC source: 0001209191-22-019063 · doc4.xml · derivative · entry 7

Green Kevin Dennis · CIK 0001459351 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 45,000 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.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

F5 · price: Not applicable.

F4 · derivative.exercise_date: The restricted stock unit vests 33% on March 12, 2020, 33% on March 12, 2021 and 34% on March 12, 2022.

F4 · derivative.expiration_date: The restricted stock unit vests 33% on March 12, 2020, 33% on March 12, 2021 and 34% on March 12, 2022.

SEC source: 0001209191-22-019063 · doc4.xml · nonDerivative · entry 5

Green Kevin Dennis · CIK 0001459351 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 288,111

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 · price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

SEC source: 0001209191-22-019063 · doc4.xml · nonDerivative · entry 3

Green Kevin Dennis · CIK 0001459351 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 274,617

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 · price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

SEC source: 0001209191-22-019063 · doc4.xml · nonDerivative · entry 1

Green Kevin Dennis · CIK 0001459351 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 267,999

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 · price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

SEC source: 0001209191-22-019062 · doc4.xml · derivative · entry 9

Benjamin Richard J · CIK 0001296322 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,333

Underlying: Common Stock · 16,667 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.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

F5 · price: Not applicable.

F7 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2022.

F7 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2022.

SEC source: 0001209191-22-019062 · doc4.xml · derivative · entry 8

Benjamin Richard J · CIK 0001296322 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,460

Underlying: Common Stock · 22,770 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.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

F5 · price: Not applicable.

F6 · derivative.exercise_date: The restricted stock unit vests 33% on March 12, 2021, 33% on March 12, 2022 and 34% on March 12, 2023.

F6 · derivative.expiration_date: The restricted stock unit vests 33% on March 12, 2021, 33% on March 12, 2022 and 34% on March 12, 2023.

SEC source: 0001209191-22-019062 · doc4.xml · derivative · entry 7

Benjamin Richard J · CIK 0001296322 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 45,000 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.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

F5 · price: Not applicable.

F4 · derivative.exercise_date: The restricted stock unit vests 33% on March 12, 2020, 33% on March 12, 2021 and 34% on March 12, 2022.

F4 · derivative.expiration_date: The restricted stock unit vests 33% on March 12, 2020, 33% on March 12, 2021 and 34% on March 12, 2022.

SEC source: 0001209191-22-019062 · doc4.xml · nonDerivative · entry 5

Benjamin Richard J · CIK 0001296322 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 188,647

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 · price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

SEC source: 0001209191-22-019062 · doc4.xml · nonDerivative · entry 3

Benjamin Richard J · CIK 0001296322 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 180,153

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 · price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

SEC source: 0001209191-22-019062 · doc4.xml · nonDerivative · entry 1

Benjamin Richard J · CIK 0001296322 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 173,535

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 · price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

SEC source: 0001209191-22-019303 · doc4.xml · derivative · entry 9

Moore Carol · CIK 0001574700 · SVP Reg. & Quality

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,333

Underlying: Common Stock · 11,667 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.

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one (1) share of Cerus Common Stock.

F5 · price: Not applicable.

F7 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2022.

F7 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2022.