CERS

SEC source: 0001209191-21-027700 · doc4.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 550,000 shares

Expires 2021-04-18

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 · price: Not applicable.

F2 · derivative.exercise_date: One eighth (1/8th) of the shares subject to the Option vested six (6) months after the grant date, and one forty-eighth (1/48th) of the shares subject to the Option vested on the first day of each month thereafter.

SEC source: 0001209191-21-027700 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,418,672

F1 · shares: Represents a net exercise of outstanding stock options. These shares were withheld by Issuers for payment of the exercise price, based on the market price of Issuers common stock on April 15, 2021 of $6.35 in accordance with the terms of the Issuers Amended and Restated 2008 Equity Incentive Plan. The Reporting Person elected to pay the withholding taxes in cash.

SEC source: 0001209191-21-027700 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,652,531

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: 0001209191-21-021160 · doc4.xml · nonDerivative · entry 6

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 204,639

F3 · 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.

F4 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.285 to $6.445 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: 0001209191-21-021160 · doc4.xml · nonDerivative · entry 4

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 177,546

F3 · 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.

F4 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.285 to $6.445 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: 0001209191-21-021160 · doc4.xml · nonDerivative · entry 2

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 148,332

F3 · 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.

F4 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.285 to $6.445 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: 0001209191-21-021140 · doc4.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,102,531

F3 · 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.

F4 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.285 to $6.445 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: 0001209191-21-021140 · doc4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,050,652

F3 · 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.

F4 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.285 to $6.445 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: 0001209191-21-021140 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 975,257

F3 · 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.

F4 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.285 to $6.445 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: 0001209191-21-021146 · doc4.xml · nonDerivative · entry 6

Green Kevin Dennis · CIK 0001459351 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 153,740

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 $6.285 to $6.445 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: 0001209191-21-021146 · doc4.xml · nonDerivative · entry 4

Green Kevin Dennis · CIK 0001459351 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 138,959

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 $6.285 to $6.445 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: 0001209191-21-021146 · doc4.xml · nonDerivative · entry 2

Green Kevin Dennis · CIK 0001459351 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,745

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 $6.285 to $6.445 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: 0001209191-21-021134 · doc4.xml · nonDerivative · entry 5

CORASH LAURENCE M · CIK 0001193209 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,957,386

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 $6.285 to $6.445 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: 0001209191-21-021134 · doc4.xml · nonDerivative · entry 3

CORASH LAURENCE M · CIK 0001193209 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,942,605

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 $6.285 to $6.445 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: 0001209191-21-021131 · doc4.xml · nonDerivative · entry 6

Menard Chrystal · CIK 0001564252 · Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,853

F3 · 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.

F4 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.285 to $6.445 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: 0001209191-21-021131 · doc4.xml · nonDerivative · entry 4

Menard Chrystal · CIK 0001564252 · Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,072

F3 · 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.

F4 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.285 to $6.445 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: 0001209191-21-021131 · doc4.xml · nonDerivative · entry 2

Menard Chrystal · CIK 0001564252 · Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,858

F3 · 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.

F4 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.285 to $6.445 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: 0001209191-21-021133 · doc4.xml · nonDerivative · entry 7

Benjamin Richard J · CIK 0001296322 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,035

F4 · 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 $6.29 to $6.42 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: 0001209191-21-021133 · doc4.xml · nonDerivative · entry 6

Benjamin Richard J · CIK 0001296322 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,035

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 $6.285 to $6.445 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: 0001209191-21-021133 · doc4.xml · nonDerivative · entry 4

Benjamin Richard J · CIK 0001296322 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,254

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 $6.285 to $6.445 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: 0001209191-21-021133 · doc4.xml · nonDerivative · entry 2

Benjamin Richard J · CIK 0001296322 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,040

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 $6.285 to $6.445 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: 0001209191-21-021130 · doc4.xml · nonDerivative · entry 6

Moore Carol · CIK 0001574700 · SVP Reg. & Quality

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 179,555

F3 · 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.

F4 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.285 to $6.445 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: 0001209191-21-021130 · doc4.xml · nonDerivative · entry 4

Moore Carol · CIK 0001574700 · SVP Reg. & Quality

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 164,774

F3 · 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.

F4 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.285 to $6.445 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: 0001209191-21-021130 · doc4.xml · nonDerivative · entry 2

Moore Carol · CIK 0001574700 · SVP Reg. & Quality

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 135,560

F3 · 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.

F4 · price: The reported price in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.285 to $6.445 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: 0001209191-21-021160 · doc4.xml · derivative · entry 9

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,100

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.

F6 · price: Not applicable.

F8 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2021.

F8 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2021.

SEC source: 0001209191-21-021160 · doc4.xml · derivative · entry 8

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,000

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.

F6 · price: Not applicable.

F7 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2020.

F7 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2020.

SEC source: 0001209191-21-021160 · 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 · 15,833 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.

F6 · price: Not applicable.

F5 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2019.

F5 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2019.

SEC source: 0001209191-21-021160 · doc4.xml · nonDerivative · entry 5

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 220,446

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: 0001209191-21-021160 · doc4.xml · nonDerivative · entry 3

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 193,332

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: 0001209191-21-021160 · doc4.xml · nonDerivative · entry 1

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 153,888

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.

F2 · balance_after: Includes 3,052 shares purchased under Issuer's Employee Stock Purchase Plan on 02/28/21.

SEC source: 0001209191-21-021140 · doc4.xml · derivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 211,887

Underlying: Common Stock · 104,363 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.

F6 · price: Not applicable.

F8 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2021.

F8 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2021.

SEC source: 0001209191-21-021140 · doc4.xml · derivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 151,666

Underlying: Common Stock · 151,667 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.

F6 · price: Not applicable.

F7 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2020.

F7 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2020.

SEC source: 0001209191-21-021140 · 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 · 71,666 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.

F6 · price: Not applicable.

F5 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2019.

F5 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2019.

SEC source: 0001209191-21-021140 · doc4.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,155,015

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: 0001209191-21-021140 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,126,924

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: 0001209191-21-021140 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,002,908

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.

F2 · balance_after: Includes 2,341 and 3,052 shares purchased under Issuer's Employee Stock Purchase Plan on 08/31/20 and 02/28/21, respectively.

SEC source: 0001209191-21-021146 · doc4.xml · derivative · entry 9

Green Kevin Dennis · CIK 0001459351 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,230

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.

F7 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2021.

F7 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2021.

SEC source: 0001209191-21-021146 · doc4.xml · derivative · entry 8

Green Kevin Dennis · CIK 0001459351 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,000

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.

F6 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2020.

F6 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2020.

SEC source: 0001209191-21-021146 · 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 · 15,833 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 in three equal annual installments beginning on March 12, 2019.

F4 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2019.

SEC source: 0001209191-21-021146 · doc4.xml · nonDerivative · entry 5

Green Kevin Dennis · CIK 0001459351 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 161,729

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: 0001209191-21-021146 · doc4.xml · nonDerivative · entry 3

Green Kevin Dennis · CIK 0001459351 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 154,745

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: 0001209191-21-021146 · doc4.xml · nonDerivative · entry 1

Green Kevin Dennis · CIK 0001459351 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,301

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: 0001209191-21-021134 · doc4.xml · derivative · entry 8

CORASH LAURENCE M · CIK 0001193209 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,230

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.

F7 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2021.

F7 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2021.

SEC source: 0001209191-21-021134 · doc4.xml · derivative · entry 7

CORASH LAURENCE M · CIK 0001193209 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,000

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.

F6 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2020.

F6 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2020.

SEC source: 0001209191-21-021134 · doc4.xml · derivative · entry 6

CORASH LAURENCE M · CIK 0001193209 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,833 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 in three equal annual installments beginning on March 12, 2019.

F4 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2019.

SEC source: 0001209191-21-021134 · doc4.xml · nonDerivative · entry 4

CORASH LAURENCE M · CIK 0001193209 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,965,375

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: 0001209191-21-021134 · doc4.xml · nonDerivative · entry 2

CORASH LAURENCE M · CIK 0001193209 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,958,391

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: 0001209191-21-021134 · doc4.xml · nonDerivative · entry 1

CORASH LAURENCE M · CIK 0001193209 · Chief Scientific Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,913,391

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: 0001209191-21-021131 · doc4.xml · derivative · entry 9

Menard Chrystal · CIK 0001564252 · Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,230

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.

F6 · price: Not applicable.

F8 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2021.

F8 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2021.

SEC source: 0001209191-21-021131 · doc4.xml · derivative · entry 8

Menard Chrystal · CIK 0001564252 · Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,000

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.

F6 · price: Not applicable.

F7 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2020.

F7 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2020.