X0303 4 2009-06-17 0 0001333513 DealerTrack Holdings, Inc. TRAK 0001227348 ZWARENSTEIN BARRY C/O DEALERTRACK HOLDINGS, INC. 1111 MARCUS AVENUE, SUITE M04 LAKE SUCCESS NY 11042 1 0 0 0 Common Stock 2009-06-17 4 A 0 8749 0.00 A 18202 D Deferred Stock Units 2009-06-30 4 A 0 753.73 16.99 A Common Stock 753.73 5233.84 D The shares of restricted common stock will vest on the date of the Issuer's 2010 Annual Meeting of Stockholders. Includes 8,749 shares of restrcited common stock. These are Deferred Stock Units acquired under the DealerTrack Holdings, Inc. Directors' Deferred Compensation Plan through Board fee deferral. Each Deferred Stock Unit is the economic equivalent of one share of DealerTrack Holdings, Inc. Common Stock. Deferred Stock Units are converted into DealerTrack Holdings, Inc. Common Stock and distributed upon the payment commencement date selected by the Reporting Person. /s/ Gary Papilsky as attorney-in-fact for Barry Zwarenstein 2009-07-02