CERUS CORP — Director's Dealing 2019

Mar 14, 2019

SEC Form 4/A — Form 4/A

Issuer: CERUS CORP (CERS)
CIK: 0001020214
Period of Report: 2019-03-10

Reporting Person: Greenman William Mariner (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-03-10	Common Stock	M	22500	—	Acquired	574052	Direct
2019-03-12	Common Stock	S	7781	$6.48	Disposed	566271	Direct
2019-03-12	Common Stock	M	28125	—	Acquired	594396	Direct
2019-03-13	Common Stock	S	10619	$5.8995	Disposed	583777	Direct
2019-03-12	Common Stock	M	71667	—	Acquired	655444	Direct
2019-03-13	Common Stock	S	27059	$5.8997	Disposed	628385	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-03-10	Restricted Stock Unit	$	M	22500	Disposed		Common Stock (22500)	Direct
2019-03-12	Restricted Stock Unit	$	M	28125	Disposed		Common Stock (28125)	Direct
2019-03-12	Restricted Stock Unit	$	M	71667	Disposed		Common Stock (71667)	Direct

Footnotes

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

F2: Includes 1,951 shares purchased under Issuer's Employee Stock Purchase Plan on 02/28/19.

F3: 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.

F4: The restricted stock unit vests in three equal annual installments beginning on March 10, 2017.

F5: Not applicable.

F6: The restricted stock unit vests in three equal annual installments beginning on March 12, 2018.

F7: The restricted stock unit vests in three equal annual installments beginning on March 12, 2019.