| Date | Insider | Shares | Type | Transaction | Value* |
| 11-Nov-09 | SULLIVAN KURT D Officer | 381 | Direct | Automatic Sale at $7.19 per share. | $2,739 |
| 9-Nov-09 | SULLIVAN KURT D Officer | 382 | Direct | Automatic Sale at $7 per share. | $2,674 |
| 7-Nov-09 | DOWTY MICHAEL SCOTT Officer | 77 | Direct | Disposition (Non Open Market) at $6.91 per share. | $532 |
| 7-Nov-09 | LAZARUS STEPHEN L Officer | 45 | Direct | Disposition (Non Open Market) at $6.91 per share. | $310 |
| 7-Nov-09 | SULLIVAN KURT D Officer | 139 | Direct | Disposition (Non Open Market) at $6.91 per share. | $960 |
| 7-Nov-09 | LEVER KATHRYN S Officer | 118 | Direct | Disposition (Non Open Market) at $6.91 per share. | $815 |
| 7-Oct-09 | DOWTY MICHAEL SCOTT Officer | 77 | Direct | Disposition (Non Open Market) at $7.32 per share. | $563 |
| 7-Oct-09 | LAZARUS STEPHEN L Officer | 45 | Direct | Disposition (Non Open Market) at $7.32 per share. | $329 |
| 7-Oct-09 | SULLIVAN KURT D Officer | 139 | Direct | Disposition (Non Open Market) at $7.32 per share. | $1,017 |
| 7-Oct-09 | LEVER KATHRYN S Officer | 118 | Direct | Disposition (Non Open Market) at $7.32 per share. | $863 |
| 11-Sep-09 | SULLIVAN KURT D Officer | 382 | Direct | Automatic Sale at $7.08 per share. | $2,704 |
| 7-Sep-09 | DOWTY MICHAEL SCOTT Officer | 77 | Direct | Disposition (Non Open Market) at $7.05 per share. | $542 |
| 7-Sep-09 | LAZARUS STEPHEN L Officer | 45 | Direct | Disposition (Non Open Market) at $7.05 per share. | $317 |
| 7-Sep-09 | SULLIVAN KURT D Officer | 139 | Direct | Disposition (Non Open Market) at $7.05 per share. | $979 |
| 7-Sep-09 | LEVER KATHRYN S Officer | 119 | Direct | Disposition (Non Open Market) at $7.05 per share. | $838 |
| 19-Aug-09 | FITZGERALD CHARLES JAMES JR Director | 1,980,070 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 19-Aug-09 | SUMMIT PARTNERS L P Other | 62,892 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 19-Aug-09 | SUMMIT PARTNERS L P Other | 62,892 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 19-Aug-09 | SUMMIT PARTNERS L P Other | 1,980,070 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 19-Aug-09 | SUMMIT VENTURES VI-A LP Beneficial Owner (10% or more) | 1,342,397 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 12-Aug-09 | SULLIVAN KURT D Officer | 382 | Direct | Sale at $8.58 per share. | $3,277 |
| 7-Aug-09 | DOWTY MICHAEL SCOTT Officer | 77 | Direct | Disposition (Non Open Market) at $8.76 per share. | $674 |
| 7-Aug-09 | LAZARUS STEPHEN L Officer | 45 | Direct | Disposition (Non Open Market) at $8.76 per share. | $394 |
| 7-Aug-09 | SULLIVAN KURT D Officer | 139 | Direct | Disposition (Non Open Market) at $8.76 per share. | $1,217 |
| 7-Aug-09 | LEVER KATHRYN S Officer | 118 | Direct | Disposition (Non Open Market) at $8.76 per share. | $1,033 |
| 7-Aug-09 | DOWTY MICHAEL SCOTT Officer | 41,629 | Direct | Sale at $8.79 per share. | $365,918 |
| 7-Aug-09 | SULLIVAN KURT D Officer | 53,125 | Direct | Sale at $8.78 per share. | $466,437 |
| 7-Aug-09 | LEVER KATHRYN S Officer | 5,988 | Direct | Sale at $8.87 per share. | $53,113 |
| 20-Jul-09 | SULLIVAN KURT D Officer | 381 | Direct | Automatic Sale at $8.59 per share. | $3,272 |
| 7-Jul-09 | DOWTY MICHAEL SCOTT Officer | 77 | Direct | Disposition (Non Open Market) at $7.68 per share. | $591 |
| 7-Jul-09 | LAZARUS STEPHEN L Officer | 45 | Direct | Disposition (Non Open Market) at $7.68 per share. | $345 |
| 7-Jul-09 | LAZARUS STEPHEN L Officer | 45 | Direct | Disposition (Non Open Market) at $7.68 per share. | $345 |
| 7-Jul-09 | SULLIVAN KURT D Officer | 139 | Direct | Disposition (Non Open Market) at $7.68 per share. | $1,067 |
| 7-Jul-09 | LEVER KATHRYN S Officer | 118 | Direct | Disposition (Non Open Market) at $7.68 per share. | $906 |
| 16-Jun-09 | SULLIVAN KURT D Officer | 383 | Direct | Sale at $7.48 per share. | $2,864 |
| 8-Jun-09 | DOWTY MICHAEL SCOTT Officer | 91 | Direct | Disposition (Non Open Market) at $6.83 per share. | $621 |
| 8-Jun-09 | LAZARUS STEPHEN L Officer | 45 | Direct | Disposition (Non Open Market) at $6.83 per share. | $307 |
| 8-Jun-09 | SULLIVAN KURT D Officer | 139 | Direct | Disposition (Non Open Market) at $6.83 per share. | $949 |
| 8-Jun-09 | LEVER KATHRYN S Officer | 119 | Direct | Disposition (Non Open Market) at $6.83 per share. | $812 |
| 4-Jun-09 | MASKATIYA KARIM ABDUL Beneficial Owner (10% or more) | 2,768,800 | Direct | Sale at $6.25 per share. | $17,305,000 |
| 3-Jun-09 | ELLIS HELEN MARI Officer | 8,000 | Direct | Purchase at $6.90 per share. | $55,200 |
| 3-Jun-09 | FITZGERALD CHARLES JAMES JR Director | 165 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 3-Jun-09 | FITZGERALD CHARLES JAMES JR Director | 165 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 3-Jun-09 | FITZGERALD CHARLES JAMES JR Director | 2,500,000 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 3-Jun-09 | SUMMIT PARTNERS L P Other | 96,520 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 3-Jun-09 | SUMMIT PARTNERS L P Other | 96,520 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 3-Jun-09 | SUMMIT PARTNERS L P Other | 2,500,000 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 3-Jun-09 | SUMMIT VENTURES VI-A LP Beneficial Owner (10% or more) | 1,694,947 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 2-Jun-09 | SULLIVAN KURT D Officer | 3,894 | Direct | Sale at $7.10 per share. | $27,647 |
| 28-May-09 | CUCINOTTA ROBERT Beneficial Owner (10% or more) | 241,700 | Direct | Sale at $6.92 per share. | $1,672,564 |
| 27-May-09 | CUCINOTTA ROBERT Beneficial Owner (10% or more) | 127,300 | Direct | Sale at $6.94 per share. | $883,461 |
| 27-May-09 | MASKATIYA KARIM ABDUL Beneficial Owner (10% or more) | 189,000 | Indirect | Sale at $6.85 per share. | $1,294,650 |
| 26-May-09 | CUCINOTTA ROBERT Beneficial Owner (10% or more) | 200,000 | Direct | Sale at $6.95 per share. | $1,390,000 |
| 21-May-09 | SULLIVAN KURT D Officer | 1,319 | Direct | Sale at $7.02 per share. | $9,259 |
| 20-May-09 | FITZGERALD CHARLES JAMES JR Director | 166 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 20-May-09 | FITZGERALD CHARLES JAMES JR Director | 166 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 20-May-09 | FITZGERALD CHARLES JAMES JR Director | 2,500,000 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 20-May-09 | SUMMIT PARTNERS L P Other | 103,300 | Direct | Disposition (Non Open Market) at $0 per share. | N/A |
| 20-May-09 | SUMMIT PARTNERS L P Other | 103,300 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 20-May-09 | SUMMIT PARTNERS L P Other | 2,500,000 | Indirect | Disposition (Non Open Market) at $0 per share. | N/A |
| 20-May-09 | SUMMIT VENTURES VI-A LP Beneficial Owner (10% or more) | 1,694,947 | Direct | Acquisition (Non Open Market) at $0 per share. | N/A |
| 19-May-09 | LEVER KATHRYN S Officer | 5,000 | Direct | Sale at $7.37 per share. | $36,850 |
| 18-May-09 | CUCINOTTA ROBERT Beneficial Owner (10% or more) | 385,000 | Direct | Sale at $6.89 per share. | $2,652,650 |
| 13-May-09 | CUCINOTTA ROBERT Beneficial Owner (10% or more) | 419,500 | Direct | Sale at $7.29 per share. | $3,058,155 |
| 13-May-09 | SULLIVAN KURT D Officer | 2,072 | Direct | Sale at $7.08 per share. | $14,669 |
| 12-May-09 | CUCINOTTA ROBERT Beneficial Owner (10% or more) | 51,500 | Direct | Sale at $7.56 per share. | $389,340 |
| 11-May-09 | CUCINOTTA ROBERT Beneficial Owner (10% or more) | 300,000 | Direct | Sale at $7.57 per share. | $2,271,000 |
| 8-May-09 | CUCINOTTA ROBERT Beneficial Owner (10% or more) | 295,000 | Direct | Sale at $7.72 per share. | $2,277,400 |
| 7-May-09 | DOWTY MICHAEL SCOTT Officer | 78 | Direct | Disposition (Non Open Market) at $7.49 per share. | $584 |
| 7-May-09 | LAZARUS STEPHEN L Officer | 45 | Direct | Disposition (Non Open Market) at $7.49 per share. | $337 |
| 7-May-09 | SULLIVAN KURT D Officer | 139 | Direct | Disposition (Non Open Market) at $7.49 per share. | $1,041 |
| 7-May-09 | LEVER KATHRYN S Officer | 118 | Direct | Disposition (Non Open Market) at $7.49 per share. | $883 |
| 7-Apr-09 | DOWTY MICHAEL SCOTT Officer | 94 | Direct | Disposition (Non Open Market) at $4.03 per share. | $378 |
| 7-Apr-09 | LAZARUS STEPHEN L Officer | 45 | Direct | Disposition (Non Open Market) at $4.03 per share. | $181 |
| 7-Apr-09 | SULLIVAN KURT D Officer | 139 | Direct | Disposition (Non Open Market) at $4.03 per share. | $560 |
| 7-Apr-09 | LEVER KATHRYN S Officer | 119 | Direct | Disposition (Non Open Market) at $4.03 per share. | $479 |
| 9-Mar-09 | DOWTY MICHAEL SCOTT Officer | 95 | Direct | Disposition (Non Open Market) at $2.93 per share. | $278 |
| 9-Mar-09 | LAZARUS STEPHEN L Officer | 45 | Direct | Disposition (Non Open Market) at $2.93 per share. | $131 |
| 9-Mar-09 | LEVER KATHRYN S Officer | 118 | Direct | Disposition (Non Open Market) at $2.93 per share. | $345 |
| 9-Mar-09 | SULLIVAN KURT D Officer | 171 | Direct | Disposition (Non Open Market) at $2.93 per share. | $501 |
| 24-Feb-09 | SULLIVAN KURT D Officer | 15,000 | Direct | Acquisition (Non Open Market) at $2.20 per share. | $33,000 |
| 24-Feb-09 | FITZGERALD CHARLES JAMES JR Director | 34,000 | Indirect | Acquisition (Non Open Market) at $0 per share. | N/A |
| 24-Feb-09 | SUMMIT PARTNERS L P Other | 34,000 | Indirect | Acquisition (Non Open Market) at $0 per share. | N/A |
| 24-Feb-09 | DOWTY MICHAEL SCOTT Officer | 50,000 | Direct | Acquisition (Non Open Market) at $2.27 per share. | $113,500 |
| 24-Feb-09 | OLSON PATRICK Director | 34,000 | Direct | Acquisition (Non Open Market) at $2.27 per share. | $77,180 |
| 24-Feb-09 | ELLIS HELEN MARI Officer | 50,000 | Direct | Acquisition (Non Open Market) at $2.27 per share. | $113,500 |
| 24-Feb-09 | LAZARUS STEPHEN L Officer | 50,000 | Direct | Acquisition (Non Open Market) at $2.27 per share. | $113,500 |
| 24-Feb-09 | ENLOW FRED Director | 34,000 | Direct | Acquisition (Non Open Market) at $2.27 per share. | $77,180 |
| 24-Feb-09 | JUDGE GEOFFREY P Director | 34,000 | Direct | Acquisition (Non Open Market) at $2.27 per share. | $77,180 |
| 24-Feb-09 | LEVER KATHRYN S Officer | 50,000 | Direct | Acquisition (Non Open Market) at $2.27 per share. | $113,500 |
| 24-Feb-09 | GRESHAM GEORGE W Officer | 50,000 | Direct | Acquisition (Non Open Market) at $2.27 per share. | $113,500 |
| 24-Feb-09 | BETTS SCOTT H Officer | 200,000 | Direct | Acquisition (Non Open Market) at $2.27 per share. | $454,000 |
| 24-Feb-09 | KILBURN E MILES Director | 50,000 | Direct | Acquisition (Non Open Market) at $2.27 per share. | $113,500 |
| 9-Feb-09 | DOWTY MICHAEL SCOTT Officer | 94 | Direct | Disposition (Non Open Market) at $2.52 per share. | $236 |
| 9-Feb-09 | LAZARUS STEPHEN L Officer | 56 | Direct | Disposition (Non Open Market) at $2.52 per share. | $141 |
| 9-Feb-09 | SULLIVAN KURT D Officer | 171 | Direct | Disposition (Non Open Market) at $2.52 per share. | $430 |
| 9-Feb-09 | LEVER KATHRYN S Officer | 145 | Direct | Disposition (Non Open Market) at $2.52 per share. | $365 |
| 7-Jan-09 | DOWTY MICHAEL SCOTT Officer | 94 | Direct | Disposition (Non Open Market) at $2.35 per share. | $220 |
| 7-Jan-09 | LAZARUS STEPHEN L Officer | 55 | Direct | Disposition (Non Open Market) at $2.35 per share. | $129 |
| 7-Jan-09 | SULLIVAN KURT D Officer | 170 | Direct | Disposition (Non Open Market) at $2.35 per share. | $399 |
| 7-Jan-09 | LEVER KATHRYN S Officer | 145 | Direct | Disposition (Non Open Market) at $2.35 per share. | $340 |
| 8-Dec-08 | LAZARUS STEPHEN L Officer | 45 | Direct | Disposition (Non Open Market) at $2.64 per share. | $118 |
| 8-Dec-08 | SULLIVAN KURT D Officer | 139 | Direct | Disposition (Non Open Market) at $2.64 per share. | $366 |
| 8-Dec-08 | LEVER KATHRYN S Officer | 118 | Direct | Disposition (Non Open Market) at $2.64 per share. | $311 |
| 7-Dec-08 | DOWTY MICHAEL SCOTT Officer | 95 | Direct | Disposition (Non Open Market) at $2.64 per share. | $250 |
| 12-Nov-08 | ENLOW FRED Director | 1,000 | Direct | Purchase at $3.10 per share. | $3,100 |
| 7-Nov-08 | DOWTY MICHAEL SCOTT Officer | 52 | Direct | Disposition (Non Open Market) at $3.48 per share. | $180 |
| 7-Nov-08 | SULLIVAN KURT D Officer | 139 | Direct | Disposition (Non Open Market) at $3.48 per share. | $483 |
| 7-Nov-08 | LEVER KATHRYN S Officer | 118 | Direct | Disposition (Non Open Market) at $3.48 per share. | $410 |
| 7-Oct-08 | SULLIVAN KURT D Officer | 139 | Direct | Disposition (Non Open Market) at $3.58 per share. | $497 |
| 7-Oct-08 | LEVER KATHRYN S Officer | 119 | Direct | Disposition (Non Open Market) at $3.58 per share. | $426 |
| 7-Oct-08 | DOWTY MICHAEL SCOTT Officer | 53 | Direct | Disposition (Non Open Market) at $3.58 per share. | $189 |
| 7-Oct-08 | LAZARUS STEPHEN L Officer | 45 | Direct | Disposition (Non Open Market) at $3.58 per share. | $161 |
| 8-Sep-08 | LAZARUS STEPHEN L Officer | 45 | Direct | Disposition (Non Open Market) at $5.77 per share. | $259 |
| 8-Sep-08 | DOWTY MICHAEL SCOTT Officer | 52 | Direct | Disposition (Non Open Market) at $5.77 per share. | $300 |
| 8-Sep-08 | SULLIVAN KURT D Officer | 139 | Direct | Disposition (Non Open Market) at $5.77 per share. | $802 |
| 8-Sep-08 | LEVER KATHRYN S Officer | 118 | Direct | Disposition (Non Open Market) at $5.77 per share. | $680 |
| 8-Sep-08 | GRESHAM GEORGE W Officer | 10,000 | Direct | Purchase at $5.73 per share. | $57,300 |
| 2-Sep-08 | SULLIVAN KURT D Officer | 1,500 | Direct | Purchase at $6.02 per share. | $9,030 |
| 19-Aug-08 | GRESHAM GEORGE W Officer | 25,000 | Direct | Purchase at $5.79 per share. | $144,750 |
| 19-Aug-08 | BETTS SCOTT H Officer | 20,300 | Direct | Purchase at $5.87 per share. | $119,161 |
| 18-Aug-08 | BETTS SCOTT H Officer | 4,700 | Direct | Purchase at $5.91 per share. | $27,777 |
| 14-Aug-08 | BETTS SCOTT H Officer | 10,000 | Direct | Purchase at $5.94 - $5.95 per share. | $59,0002 |
| 7-Aug-08 | SULLIVAN KURT D Officer | 139 | Direct | Disposition (Non Open Market) at $6.24 per share. | $867 |
| 7-Aug-08 | LEVER KATHRYN S Officer | 119 | Direct | Disposition (Non Open Market) at $6.24 per share. | $742 |
| 7-Aug-08 | LAZARUS STEPHEN L Officer | 45 | Direct | Disposition (Non Open Market) at $6.24 per share. | $280 |
| 28-Jul-08 | DOWTY MICHAEL SCOTT Officer | 11,797 | Direct | Statement of Ownership | N/A |
| 7-Jul-08 | SULLIVAN KURT D Officer | 139 | Direct | Disposition (Non Open Market) at $6.01 per share. | $835 |
| 7-Jul-08 | LEVER KATHRYN S Officer | 118 | Direct | Disposition (Non Open Market) at $6.01 per share. | $709 |
| 7-Jul-08 | LAZARUS STEPHEN L Officer | 45 | Direct | Disposition (Non Open Market) at $6.01 per share. | $270 |
| 9-Jun-08 | LAZARUS STEPHEN L Officer | 45 | Direct | Disposition (Non Open Market) at $7.15 per share. | $321 |
| 9-Jun-08 | SULLIVAN KURT D Officer | 139 | Direct | Disposition (Non Open Market) at $7.15 per share. | $993 |
| 9-Jun-08 | LEVER KATHRYN S Officer | 118 | Direct | Disposition (Non Open Market) at $7.15 per share. | $843 |
| 7-May-08 | LAZARUS STEPHEN L Officer | 45 | Direct | Disposition (Non Open Market) at $5.93 per share. | $266 |
| 7-May-08 | SULLIVAN KURT D Officer | 170 | Direct | Disposition (Non Open Market) at $5.93 per share. | $1,008 |
| 7-May-08 | LEVER KATHRYN S Officer | 119 | Direct | Disposition (Non Open Market) at $5.93 per share. | $705 |
| 7-Apr-08 | SULLIVAN KURT D Officer | 171 | Direct | Disposition (Non Open Market) at $6.50 per share. | $1,111 |
| 7-Apr-08 | LEVER KATHRYN S Officer | 145 | Direct | Disposition (Non Open Market) at $6.50 per share. | $942 |
| 7-Apr-08 | LAZARUS STEPHEN L Officer | 45 | Direct | Disposition (Non Open Market) at $6.50 per share. | $292 |
| 12-Mar-08 | KILBURN E MILES Director | 75,000 | Direct | Purchase at $4.76 - $4.85 per share. | $360,0002 |
| 11-Mar-08 | KILBURN E MILES Director | 6,689 | Direct | Purchase at $4.50 - $4.56 per share. | $30,0002 |
| 10-Mar-08 | KILBURN E MILES Director | 18,311 | Direct | Purchase at $4.41 - $4.46 per share. | $81,0002 |
| 7-Mar-08 | KLUDJIAN DIRAN Officer | 7,936 | Direct | Disposition (Non Open Market) at $4.63 per share. | $36,743 |
| 7-Mar-08 | LAZARUS STEPHEN L Officer | 55 | Direct | Disposition (Non Open Market) at $4.63 per share. | $254 |
| 7-Mar-08 | SULLIVAN KURT D Officer | 170 | Direct | Disposition (Non Open Market) at $4.63 per share. | $787 |
| 7-Mar-08 | LEVER KATHRYN S Officer | 145 | Direct | Disposition (Non Open Market) at $4.63 per share. | $671 |
| 6-Mar-08 | JUDGE GEOFFREY P Director | 1,000 | Direct | Purchase at $4.67 per share. | $4,670 |
| 4-Mar-08 | JUDGE GEOFFREY P Director | 1,000 | Direct | Purchase at $5.05 per share. | $5,050 |
| 7-Feb-08 | SULLIVAN KURT D Officer | 920 | Direct | Disposition (Non Open Market) at $6.87 per share. | $6,320 |
| 7-Feb-08 | LEVER KATHRYN S Officer | 894 | Direct | Disposition (Non Open Market) at $6.87 per share. | $6,141 |
| 7-Feb-08 | KLUDJIAN DIRAN Officer | 1,838 | Direct | Disposition (Non Open Market) at $6.87 per share. | $12,627 |
| 7-Feb-08 | LAZARUS STEPHEN L Officer | 93 | Direct | Disposition (Non Open Market) at $6.87 per share. | $638 |
| 7-Jan-08 | LAZARUS STEPHEN L Officer | 51 | Direct | Disposition (Non Open Market) at $5.84 per share. | $297 |
| 7-Jan-08 | SULLIVAN KURT D Officer | 102 | Direct | Disposition (Non Open Market) at $5.84 per share. | $595 |
| 7-Jan-08 | LEVER KATHRYN S Officer | 77 | Direct | Disposition (Non Open Market) at $5.84 per share. | $449 |
| 7-Jan-08 | KLUDJIAN DIRAN Officer | 205 | Direct | Disposition (Non Open Market) at $5.84 per share. | $1,197 |
| 7-Dec-07 | SULLIVAN KURT D Officer | 83 | Direct | Disposition (Non Open Market) at $5.42 per share. | $449 |
| 7-Dec-07 | LEVER KATHRYN S Officer | 63 | Direct | Disposition (Non Open Market) at $5.42 per share. | $341 |
| 7-Dec-07 | KLUDJIAN DIRAN Officer | 166 | Direct | Disposition (Non Open Market) at $5.42 per share. | $899 |
| 7-Dec-07 | LAZARUS STEPHEN L Officer | 42 | Direct | Disposition (Non Open Market) at $5.42 per share. | $227 |