X0303 4 2010-10-18 0001094739 FINISAR CORP FNSR 0001378817 Colyar Mark 1389 MOFFETT PARK DRIVE SUNNYVALE CA 94089-1134 1 Sr. VP Operations/Engineering Common Stock 2010-10-18 4 M 0 44029.0000 0.6400 A 147566.0000 D Common Stock 2010-10-18 4 M 0 24462.0000 1.2000 A 172028.0000 D Common Stock 2010-10-18 4 M 0 13046.0000 1.0400 A 185074.0000 D Common Stock 2010-10-18 4 M 0 4890.0000 1.2000 A 189964.0000 D Common Stock 2010-10-18 4 M 0 306.0000 3.3600 A 190270.0000 D Common Stock 2010-10-18 4 S 0 102034.0000 21.1236 D 88236.0000 D Stock Option (Right to Buy) 1.2000 2010-10-18 4 M 0 4890.0000 0.0000 D 2009-04-05 2015-05-05 Common Stock 4890.0000 0.0000 D Stock Option (Right to Buy) 1.0400 2010-10-18 4 M 0 13046.0000 0.0000 D 2008-09-02 2018-09-02 Common Stock 13046.0000 0.0000 D Stock Option (Right to Buy) 1.2000 2010-10-18 4 M 0 24462.0000 0.0000 D 2008-09-02 2018-09-02 Common Stock 24462.0000 0.0000 D Stock Option (Right to Buy) 0.6400 2010-10-18 4 M 0 44029.0000 0.0000 D 2008-09-02 2018-09-02 Common Stock 44029.0000 0.0000 D Stock Option (Right to Buy) 3.3600 2010-10-18 4 M 0 306.0000 0.0000 D 2008-12-12 2018-12-12 Common Stock 306.0000 0.0000 D The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 16, 2010. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.87 to $21.35 inclusive. The reporting person undertakes to provide to Finisar Corporation, any security holder of Finisar Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4. Girija Karumanchi as Attorney-in-fact for 2010-10-20