FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   Hogeboom Caspar Jan 2. Date of Event Requiring Statement (Month/Day/Year) 03/02/2010 3. Issuer Name and Ticker or Trading Symbol CERUS CORP [CERS] (Last) (First) (Middle) C/O CERUS CORPORATION, 2411 STANWELL DRIVE 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Managing Director Cerus Europe 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) CONCORD, CA 94520 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 7,248 (8) D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Option (Right to Buy)	  (1)	03/07/2016	Common Stock	30,000	$ 9.61	D	Â
Option (Right to Buy)	  (2)	10/01/2016	Common Stock	10,000	$ 5.55	D	Â
Option (Right to Buy)	  (3)	09/30/2017	Common Stock	12,500	$ 8.73	D	Â
Option (Right to Buy)	  (4)	09/30/2018	Common Stock	14,000	$ 4.19	D	Â
Common Stock (Right to Buy)	  (5)	11/30/2018	Common Stock	50,000	$ 1.01	D	Â
Common Stock (Right to Buy)	  (6)	01/11/2019	Common Stock	40,000	$ 0.79	D	Â
Common Stock (Right to Buy)	  (7)	09/30/2019	Common Stock	20,000	$ 2.15	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Hogeboom Caspar Jan C/O CERUS CORPORATION 2411 STANWELL DRIVE CONCORD, CA 94520	Â	Â	  Managing Director Cerus Europe	Â

Signatures

Caspar Jan Hogeboom by Lori L. Roll, attorney-in-fact		03/11/2010
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	One fourth (1/4th) of the shares subject to the Option shall vest annually after March 8, 2006.
(2)	One fourth (1/4th) of the shares subject to the Option shall vest annually after October 2, 2006.
(3)	One fourth (1/4th) of the shares subject to the Option shall vest annually after October 1, 2007.
(4)	One fourth (1/4th) of the shares subject to the Option shall vest annually after October 1, 2008.
(5)	One fourth (1/4th) of the shares subject to the Option shall vest annually after December 1, 2008.
(6)	One fourth (1/4th) of the shares subject to the Option shall vest annually after January 12, 2009.
(7)	One fourth (1/4th) of the shares subject to the Option shall vest annually after October 1, 2009.
(8)	This represents a RSU approved by the Company's Board of Directors.

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