| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date |
|---|
BAYLESS JON W Beneficial Owner (10% or more) | Acquisition (Non Open Market) Jan 28, 2012 | 21,030 Jan 28, 2012 | COIT DAVID M Director | Acquisition (Non Open Market) Jun 5, 2012 | 1,021 Jun 5, 2012 | DOMENIK STEPHEN L Beneficial Owner (10% or more) | Disposition (Non Open Market) Jan 28, 2012 | 18,816 Jan 28, 2012 | DOW STEPHEN M Director | Disposition (Non Open Market) Jan 28, 2012 | 21,702 Jan 28, 2012 | EDISON PARTNERS IV SBIC, LLC Beneficial Owner (10% or more) | Sale Apr 2, 2012 | 1,479,490 Apr 2, 2012 | GAMBLE CHARLES D. Officer | Automatic Sale Feb 19, 2013 | 109,566 Feb 19, 2013 | GOLDING GARY PATRICK Director | Sale Aug 26, 2012 | 1,377,400 Aug 26, 2012 | INVESTOR AB Other | Sale Jul 31, 2011 | 2,760,943
Jul 31, 2011 | JAGGERS JOHN V Beneficial Owner (10% or more) | Acquisition (Non Open Market) Jan 29, 2012 | 2,896,995 Jan 29, 2012 | KAISER RONALD W Director | Option Exercise Dec 9, 2012 | 46,848 Dec 9, 2012 | KIMZEY JACKIE R Director | Option Exercise Aug 19, 2012 | 2,313 Aug 19, 2012 | KOKOS GERALD G. Director | Option Exercise Apr 2, 2012 | 0 Apr 2, 2012 | MARTINO GARY Officer | Option Exercise Mar 13, 2013 | 288,586 Mar 13, 2013 | PALEN JULIE L. Beneficial Owner (10% or more) | Ownership Statement Jul 25, 2011 | 554,421 Jul 25, 2011 | PHIPPS CHARLES H Beneficial Owner (10% or more) | Disposition (Non Open Market) Jan 28, 2012 | 17,342 Jan 28, 2012 | PONTIN RICHARD S. Director | Sale Aug 21, 2012 | 0 Aug 21, 2012 | ROSSINI ALBERT M. Officer | Option Exercise Dec 30, 2011 | 255,227 Dec 30, 2011 | SCHUELE ALAN R Beneficial Owner (10% or more) | Disposition (Non Open Market) Jan 28, 2012 | 646 Jan 28, 2012 | SEVIN ROSEN FUND VI LP Beneficial Owner (10% or more) | Disposition (Non Open Market) Jan 28, 2012 | 1,117,168 Jan 28, 2012 | SEVIN ROSEN FUND VII LP Beneficial Owner (10% or more) | Acquisition (Non Open Market) Jan 29, 2012 | 247,728 Jan 29, 2012 | SEVIN ROSEN FUND VIII LP Beneficial Owner (10% or more) | Disposition (Non Open Market) Jan 28, 2012 | 1,390,775 Jan 28, 2012 | SEVIN ROSEN VI AFFILIATES FUND LP Beneficial Owner (10% or more) | Disposition (Non Open Market) Jan 28, 2012 | 88,149 Jan 28, 2012 | SEVIN ROSEN VII AFFILIATES FUND LP Beneficial Owner (10% or more) | Acquisition (Non Open Market) Jan 29, 2012 | 5,753 Jan 29, 2012 | SEVIN ROSEN VIII AFFILIATES FUND LP Beneficial Owner (10% or more) | Disposition (Non Open Market) Jan 28, 2012 | 28,325 Jan 28, 2012 | SNYDER SCOTT E. Officer | Automatic Sale May 14, 2013 | 10,000 May 14, 2013 | SRB ASSOCIATES VI LP Beneficial Owner (10% or more) | Disposition (Non Open Market) Jan 28, 2012 | 1,205,339 Jan 28, 2012 | SRB ASSOCIATES VII LP Beneficial Owner (10% or more) | Acquisition (Non Open Market) Jan 29, 2012 | 253,481
Jan 29, 2012 | SRB ASSOCIATES VIII LP Beneficial Owner (10% or more) | Sale Aug 1, 2011 | 1,892,134
Aug 1, 2011 | SUBBLOIE ALBERT R. JR. Officer | Acquisition (Non Open Market) Feb 18, 2013 | 1,565,572 Feb 18, 2013 |
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