CERUS CORP — Director's Dealing 2014

Mar 5, 2014

SEC Form 4/A — Form 4/A

Issuer: CERUS CORP (CERS)
CIK: 0001020214
Period of Report: 2014-03-03

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-03-04	Common Stock	M	53500	$2.28	Acquired	162745	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-03-03	Option (Right to Buy)	$6.28	A	325000	Acquired	2024-03-02	Common Stock (325000)	Direct
2014-03-04	Option (Right to Buy)	$2.28	M	53500	Disposed	2014-06-28	Common Stock (53500)	Direct

Footnotes

F1: Includes shares purchased pursuant to a qualified Employee Stock Purchase Plan on 2/28/2007 of 3,994 shares, on 2/29/2008 of 3,546 shares, on 2/28/2013 of 7,692 shares and on 2/28/2014 of 4,448 shares.

F2: One eighth (1/8th) of the shares subject to the Option shall vest six (6) months after the transaction date and one forty-eighth (1/48th) of the shares subject to the Option shall vest on each monthly anniversary of the transaction date thereafter.

F3: Not applicable.

F4: One eighth (1/8th) of the shares subject to the Option vested six months (6) after June 29, 2004 and one forty-eighth (1/48th) of the shares subject to the Option vested on each monthly anniversary of such date thereafter.

F5: Not applicable.

F6: The amendment does not change this line item.

F7: The only change to this line item is the transaction date which was previously reported as 03/03/2014.

F8: The only change to this line item is the transaction date which was previously reported as 03/03/2014.