X0303 4 2011-06-23 0001094739 FINISAR CORP FNSR 0001307613 Young Joseph A 1389 MOFFETT PARK DRIVE SUNNYVALE CA 94089-1134 1 Sr. VP Operations Common Stock 2011-06-23 2011-06-23 4 F 0 3932.0000 16.5200 D 104410.0000 D On June 23, 2011, the Reporting Person vested in 10,718 restricted stock units ("RSUs") and as a result acquired 10,718 shares of common stock of the Issuer pursuant to the Reporting Person's June 15, 2010 grant of RSUs. This Form 4 reports 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. No shares were sold by the Reporting Person. The Issuer will pay the taxes on behalf of the Reporting Person. Girija Karumanchi as Attorney-in-fact for 2011-06-27