CERUS CORP — Director's Dealing 2013

Nov 6, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CERUS CORP (CERS)
CIK: 0001020214
Period of Report: 2013-11-04

Reporting Person: CASSIN BJ (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-11-04	Common Stock	M	5000	$4.54	Acquired	5000	Direct
2013-11-04	Common Stock	D	5000	$6.31	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-11-04	Option	$4.54	M	5000	Disposed	2013-12-31	Common (5000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	177384	Indirect
Common Stock	85000	Indirect
Common Stock	69841	Indirect

Footnotes

F1: The aggregate number of shares benefically owned following the reported transaction includes 100,000 shares acquired on December 15, 2008 and reported on a Form 4 filed on December 17, 2008 and amended on February 23, 2009.

F2: The securities are beneficially owned by Brendan Joseph Cassin and Isabel B. Cassin, Tr UA 10/31/96, Cassin Family Trust. The Reporting Person is a Trustee of such entity and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

F3: The securities are beneficially owned by Cassin Educational Foundation. The Reporting Person is the Chairman/President of such entity and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

F4: The securities are beneficially owned directly by Cassin Family Partnership. The Reporting Person is a General Partner of such entity and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

F5: Fully vested.

F6: Not applicable.