X0303 4 2008-12-01 0 0001094739 FINISAR CORP FNSR 0001378817 Colyar Mark C/O FINISAR CORPORATION 1389 MOFFETT PARK DRIVE SUNNYVALE CA 94089 0 1 0 0 Sr.VP,Operations & Engineering Common Stock 2008-12-01 2008-12-01 4 F 0 2107 0.42 D 603279 D Warrant (Right to Buy Common Stock) 0.10 2013-01-31 Common Stock 45405 45405 D Stock Options (Right to Buy) 0.08 2013-05-01 Common Stock 260918 260918 D Stock Options (Right to Buy) 0.08 2013-05-01 Common Stock 91318 91318 D Stock Options (Right to Buy) 0.14 2014-02-28 Common Stock 104368 104368 D Stock Options (Right to Buy) 0.16 2006-04-01 2015-04-05 Common Stock 234825 234825 D Stock Options (Right to Buy) 1.48 2007-04-01 2016-04-13 Common Stock 574018 574018 D Stock Options (Right to Buy) 3.33 2008-03-01 2017-02-28 Common Stock 197253 197253 D On December 1, 2008, the Reporting Person vested in 6,888 restricted stock units ("RSUs") and as a result acquired 6,888 shares of common stock of the Issuer pursuant to the Reporting Person's August 25, 2008 grant of RSUs. This Form 4 reports the disposition of shares withheld by the Issuer pursuant to the RSUs' grant agreement in order to satisfy the Reporting Person's withholding obligations for various taxes due upon the vesting of the RSUs. The Issuer will pay the taxes on behalf of the Reporting Person. Option shares are vested and exercisable immediately. 25% of the option shares vested and became exercisable on such date with the remaining shares vesting and becoming exercisable at a rate of 2.08% of the option shares monthly thereafter. . /s/ Michelle Vicente-Surnip as Attorney-in-fact for Mark Colyar 2008-12-03