| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date |
|---|
AVON MICHAEL B. Officer | Disposition (Non Open Market) May 15, 2013 | 58,320 May 15, 2013 | BARRETT M JAMES Beneficial Owner (10% or more) | Sale Oct 29, 2012 | 8,196,614
Oct 29, 2012 | BARRIS PETER J Beneficial Owner (10% or more) | Sale Oct 29, 2012 | 8,196,614
Oct 29, 2012 | BASKETT FOREST Beneficial Owner (10% or more) | Sale Oct 29, 2012 | 8,196,614
Oct 29, 2012 | BRANDENBURG JOHN CHRISTOPHER Officer | Automatic Sale Mar 12, 2013 | 4,486,634 Mar 12, 2013 | CHARLES RIVER PARTNERSHIP XIII, LP Beneficial Owner (10% or more) | Sale Mar 15, 2013 | 16,316,360 Mar 15, 2013 | COLUMBIA CAPITAL IV, LLC Beneficial Owner (10% or more) | Sale Oct 29, 2012 | 11,297,902
Oct 29, 2012 | DEER VI & CO. LLC Director | Disposition (Non Open Market) Mar 6, 2013 | 8,611,244
Mar 6, 2013 | DRANT RYAN D Beneficial Owner (10% or more) | Sale Oct 29, 2012 | 8,196,614
Oct 29, 2012 | GILLIS MATTHEW Officer | Disposition (Non Open Market) May 15, 2013 | 22,073 May 15, 2013 | GOODMAN ROBERT P Director | Acquisition (Non Open Market) Apr 26, 2013 | 14,599 Apr 26, 2013 | GUPTA ARUN Director | Acquisition (Non Open Market) Apr 26, 2013 | 14,599 Apr 26, 2013 | JEANNERET ANDREW J Officer | Sale Jun 10, 2013 | 16,250 Jun 10, 2013 | KERINS PATRICK J Director | Acquisition (Non Open Market) Apr 26, 2013 | 8,211,213 Apr 26, 2013 | KOLLURI KRISHNA KITTU Beneficial Owner (10% or more) | Sale Oct 29, 2012 | 8,196,614
Oct 29, 2012 | KRAMLICH C RICHARD Beneficial Owner (10% or more) | Sale Oct 29, 2012 | 8,196,614
Oct 29, 2012 | MACINTOSH ALAN Director | Acquisition (Non Open Market) Apr 26, 2013 | 998,590 Apr 26, 2013 | MARKLEY JOHN D. JR. Director | Sale May 14, 2013 | 371,187 May 14, 2013 | MILLARD WENDA HARRIS Director | Acquisition (Non Open Market) Apr 26, 2013 | 14,599 Apr 26, 2013 | MOTT DAVID M Beneficial Owner (10% or more) | Sale Oct 29, 2012 | 8,196,614
Oct 29, 2012 | NEW ENTERPRISE ASSOCIATES 13 LP Beneficial Owner (10% or more) | Sale Oct 29, 2012 | 8,196,614 Oct 29, 2012 | PALMIERI PAUL J. Officer | Disposition (Non Open Market) Dec 20, 2012 | 5,635,703 Dec 20, 2012 | ROOT STEPHEN T. Officer | Sale Feb 27, 2013 | 37,798 Feb 27, 2013 | SANDELL SCOTT D Beneficial Owner (10% or more) | Sale Oct 29, 2012 | 8,196,614
Oct 29, 2012 | SHIN HO Officer | Disposition (Non Open Market) May 15, 2013 | 19,212 May 15, 2013 | SPILMAN MARY Officer | Acquisition (Non Open Market) Apr 26, 2013 | 199,198 Apr 26, 2013 | THOLEN JAMES ALBERT Director | Acquisition (Non Open Market) Apr 26, 2013 | 14,599 Apr 26, 2013 | VISWANATHAN RAVI Beneficial Owner (10% or more) | Sale Oct 29, 2012 | 8,196,614
Oct 29, 2012 | WELLER HARRY R Beneficial Owner (10% or more) | Sale Oct 29, 2012 | 8,196,614
Oct 29, 2012 | ZACHARY GEORGE Director | Acquisition (Non Open Market) Apr 26, 2013 | 8,688,849 Apr 26, 2013 |
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