Jayaraman Vivek K

SEC source: 0001193125-26-309044 · ownership.xml · nonDerivative · entry 1

Jayaraman Vivek K · CIK 0001605456 · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,232,211

F1 · shares: This transaction was executed pursuant to a 10b5-1 plan.

SEC source: 0001605456-26-000008 · ownership.xml · derivative · entry 4

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 369,686

Underlying: Common Stock · 369,686 shares

Expires 2029-07-01

F4 · derivative.exercise_price: Each performance right represents a contingent right to receive one share of Cerus common stock. The performance rights vest upon Cerus common stock achieving a specified price per share.

F4 · derivative.exercise_date: Each performance right represents a contingent right to receive one share of Cerus common stock. The performance rights vest upon Cerus common stock achieving a specified price per share.

SEC source: 0001605456-26-000008 · ownership.xml · nonDerivative · entry 3

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,248,877

F3 · shares: Each RSU represents a contingent right to receive one share of common stock of the Issuer. The RSUs vest in two annual installments with 33% of the grant vesting on July 1, 2027, and 67% of the grant vesting on July 1, 2028, subject to the Reporting Person's continuous service to the Issuer through such vesting date.

SEC source: 0001605456-26-000008 · ownership.xml · nonDerivative · entry 2

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,694,348

F1 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirement 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 fees in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the reporting person.

F2 · price: Represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $2.84 to $3.03 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: 0001605456-26-000008 · ownership.xml · nonDerivative · entry 1

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,736,707

SEC source: 0001193125-26-254106 · ownership.xml · nonDerivative · entry 1

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,656,707

F1 · shares: This transaction was executed pursuant to a 10b5-1 plan.

SEC source: 0001193125-26-206993 · ownership.xml · nonDerivative · entry 1

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,673,374

F1 · shares: This transaction was executed pursuant to a 10b5-1 plan.

SEC source: 0001605456-26-000006 · ownership.xml · nonDerivative · entry 1

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,747,674

F1 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirement 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 fees in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the reporting person.

F2 · price: Represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $1.62 to $1.73 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: 0001605456-26-000004 · ownership.xml · nonDerivative · entry 2

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,912,874

F1 · kind: Represents shares sold pursuant to an instruction intended to comply with the requirement 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 fees in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the reporting person.

F2 · price: Represents a weighted average sales price. These shares were sold in a block trade 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 pursuant to such block trade.

SEC source: 0001605456-26-000004 · ownership.xml · nonDerivative · entry 1

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,946,968

SEC source: 0001605456-26-000002 · ownership.xml · nonDerivative · entry 1

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,866,648

F1 · kind: Each RSU represents a contingent right to receive one share of common stock of the Issuer. The RSUs vest in two annual installments with 34% of the grant vesting on March 12, 2027, and 66% of the grant vesting on March 12, 2028, subject to the Reporting Person's continuous service to the Issuer through such vesting date.

F2 · balance_after: Includes 5,318 and 10,004 shares purchased under Issuer's Employee Stock Purchase Plan on 08/29/25 and 02/27/26, respectively.

SEC source: 0000950170-25-040455 · ownership.xml · nonDerivative · entry 2

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,431,326

F1 · kind: Represents shares sold pursuant to an instruction intended to comply with the requirement 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 fees in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the reporting person.

F3 · price: Represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $1.39 to $1.45 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: 0000950170-25-040455 · ownership.xml · nonDerivative · entry 1

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,477,330

F1 · kind: Represents shares sold pursuant to an instruction intended to comply with the requirement 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 fees in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the reporting person.

F2 · price: Represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $1.39 to $1.47 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: 0000950170-25-036679 · ownership.xml · nonDerivative · entry 3

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,507,315

F3 · kind: Represents shares sold pursuant to an instruction intended to comply with the requirement 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 fees in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the reporting person.

F4 · price: Represents a weighted average sales price. These shares were sold in multiple transactions at prices ranging from $1.445 to $1.54 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: 0000950170-25-036679 · ownership.xml · nonDerivative · entry 2

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,541,314

F2 · kind: Represents RSUs granted pursuant to the Issuer's 2024 Equity Incentive Plan. These RSUs were granted in payment of a portion of the 2024 annual bonus awarded to the Reporting Person and were fully vested upon grant, with no expiration date.

SEC source: 0000950170-25-036679 · ownership.xml · nonDerivative · entry 1

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,450,828

F1 · kind: Represents RSUs granted pursuant to the Issuer's 2024 Equity Incentive Plan. Each RSU represents a contingent right to receive one share of common stock of the Issuer. The RSUs vest in two annual installments with 34% of the grant vesting on March 12, 2026, and 66% of the grant vesting on March 12, 2027, subject to the Reporting Person's continuous service to the Issuer through such vesting date.

SEC source: 0000950170-25-034076 · ownership.xml · nonDerivative · entry 2

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 905,828

F3 · shares: Represents shares sold pursuant to an instruction intended to comply with the requirement 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 fees in connection with the vesting of certain restricted stock units 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 $1.49 to $1.59 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: 0000950170-25-034076 · ownership.xml · derivative · entry 3

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 23,850 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 ("RSU") represents a contingent right to receive one (1) share of Cerus Common Stock.

F6 · price: Not applicable.

F5 · derivative.exercise_date: Reflects restricted stock units earned upon satisfaction of certain performance criteria in connection with a performance-based award previously granted by the Issuer.

F5 · derivative.expiration_date: Reflects restricted stock units earned upon satisfaction of certain performance criteria in connection with a performance-based award previously granted by the Issuer.

SEC source: 0000950170-25-034076 · ownership.xml · nonDerivative · entry 1

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 916,608

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 ("RSU") represents a contingent right to receive one (1) share of Cerus Common Stock.

F2 · balance_after: Includes 6,405 and 7,700 shares purchased under Issuer's Employee Stock Purchase Plan on 08/30/24 and 02/28/25.

SEC source: 0000950170-25-030168 · ownership.xml · derivative · entry 1

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 23,850

Underlying: Common Stock · 23,850 shares

Expires not disclosed

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

F3 · price: Not applicable.

F2 · derivative.exercise_date: Reflects restricted stock units earned upon satisfaction of certain performance criteria in connection with a performance-based award previously granted by the Issuer.

F2 · derivative.expiration_date: Reflects restricted stock units earned upon satisfaction of certain performance criteria in connection with a performance-based award previously granted by the Issuer.

SEC source: 0001209191-24-004849 · doc4.xml · nonDerivative · entry 3

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 878,653

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 certain restricted stock units 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 $1.935 to $2.04 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: 0001209191-24-004849 · doc4.xml · nonDerivative · entry 2

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 905,447

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 certain restricted stock units 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 $2.025 to $2.10 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: 0001209191-24-004849 · doc4.xml · derivative · entry 4

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

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.

F6 · price: Not applicable.

F5 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2022.

F5 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2022.

SEC source: 0001209191-24-004849 · doc4.xml · nonDerivative · entry 1

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 931,694

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: 0001209191-24-004444 · doc4.xml · nonDerivative · entry 1

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 906,694

F1 · shares: Represents the number of shares underlying RSUs. Each RSU represents a contingent right to receive one share of common stock of the Issuer. The RSUs vest in two annual installments with 1/3 of the grant vesting on March 12, 2025, and 2/3 of the grant vesting on March 12, 2026, subject to the Reporting Person's continuous service to the Issuer through such vesting date.

F2 · balance_after: Includes 2,007 and 6,617 shares purchased under Issuer's Employee Stock Purchase Plan on 08/31/23 and 02/29/24, respectively.

SEC source: 0001209191-23-018685 · doc4.xml · nonDerivative · entry 4

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 658,070

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 $2.74 to $3.03 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: 0001209191-23-018685 · doc4.xml · nonDerivative · entry 2

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 641,861

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 $2.74 to $3.03 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: 0001209191-23-018685 · doc4.xml · derivative · entry 6

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

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.

F6 · derivative.exercise_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2022.

F6 · derivative.expiration_date: The restricted stock unit vests in three equal annual installments beginning on March 12, 2022.

SEC source: 0001209191-23-018685 · doc4.xml · derivative · entry 5

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 44,200 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, 2021, 33% on March 12, 2022 and 34% on March 12, 2023.

F4 · 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: 0001209191-23-018685 · doc4.xml · nonDerivative · entry 3

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 666,861

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: 0001209191-23-018685 · doc4.xml · nonDerivative · entry 1

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 658,426

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: 0001209191-23-015772 · doc4.xml · nonDerivative · entry 1

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 614,226

F1 · shares: Represents the number of shares underlying RSUs. Each RSU represents a contingent right to receive one share of common stock of the Issuer. The RSUs vests in three equal annual installments beginning on March 12, 2024, subject to the Reporting Person's continuous service to the Issuer through such vesting date.

F2 · balance_after: Includes 4,812 shares purchased under Issuer's Employee Stock Purchase Plan on 02/28/23, respectively.

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: 0001209191-22-019065 · 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: 0001209191-22-015936 · doc4.xml · derivative · entry 2

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 180,000

Underlying: Common Stock · 180,000 shares

Expires 2032-02-28

F4 · price: Not applicable.

F3 · derivative.exercise_date: One fourth (1/4th) of the shares subject to the Option shall vest on the first anniversary of the date of grant, and one forty-eighth (1/48th) of the shares subject to the Option vest monthly thereafter.

SEC source: 0001209191-22-015936 · doc4.xml · nonDerivative · entry 1

Jayaraman Vivek K · CIK 0001605456 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 298,248

F1 · shares: Represents the number of shares underlying RSUs. Each RSU represents a contingent right to receive one share of common stock of the Issuer. The RSUs vests in three equal annual installments beginning on March 12, 2023, subject to the Reporting Person's continuous service to the Issuer through such vesting date.

F2 · balance_after: Includes 1,445 and 2,164 shares purchased under Issuer's Employee Stock Purchase Plan on 08/31/21 and 02/28/22, respectively.

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: 0001209191-21-021160 · 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.