CERUS CORP — Director's Dealing 2017

Mar 16, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CERUS CORP (CERS)
CIK: 0001020214
Period of Report: 2017-03-10

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-03-10	Common Stock	M	22500	—	Acquired	325724	Direct
2017-03-15	Common Stock	S	8786	$4.2101	Disposed	316938	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-03-10	Restricted Stock Unit	$	M	22500	Disposed		Common Stock (22500)	Direct

Footnotes

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

F2: Includes 4,941 shares purchased under Issuer's Employee Stock Purchase Plan on February 28, 2017.

F3: Represents the number of shares required to be sold to cover the statutory tax withholding obligations 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.