Celldex Therapeutics, Inc. — Director's Dealing 2008

Mar 18, 2008

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: AVANT IMMUNOTHERAPEUTICS INC (AVAN)
CIK: 0000744218
Period of Report: 2008-03-07

Reporting Person: Marucci Anthony S (Exec. VP & Corporate Dev.)

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (right to buy)	$8.16	2018-03-07	Common Stock (254243)		Direct

Footnotes

F1: As of March 7, 2008 (the "Effective Date"), Anthony S. Marucci beneficially owns options to purchase 254,243 shares of common stock, par value $0.001 per share (the "Shares"), of AVANT Immunotherapeutics, Inc. Options to purchase 157,093 Shares are exercisable as of the Effective Date with one twenty-fourth (1/24) of the remaining options becoming exercisable each subsequent month following the Effective Date.