| Oct 7, 10 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Sale | $9.75 | 9.39M | $91.53M | -- |
| Oct 8, 10 | WILLIAMS DOUGLAS E | CEO | Sale | $9.75 | 4.60K | $44.85K | -- |
| Oct 8, 10 | Ramos Eleanor | Officer | Sale | $9.75 | 3.60K | $35.09K | 2.50K |
| Oct 8, 10 | PENHOET EDWARD | CTO | Sale | $9.75 | 72.00K | $702.00K | -- |
| Oct 8, 10 | MacCallum David | CTO | Sale | $9.75 | 10.00K | $97.50K | -- |
| Oct 8, 10 | JOHNSON JAMES A | CFO | Sale | $9.75 | 26.02K | $253.69K | -- |
| Sep 8, 10 | JOHNSON JAMES A | CFO | Sale | $2.78 | 20.00K | $55.55K | 125.00K |
| Sep 8, 10 | JOHNSON JAMES A | CFO | Purchase | $2.78 | 20.00K | $55.54K | 46.02K |
| Sep 8, 10 | JOHNSON JAMES A | CFO | Sale | $9.75 | 20.00K | $195.00K | 26.02K |
| Aug 17, 10 | PENHOET EDWARD | CTO | Purchase | $2.78 | 72.00K | $199.99K | 72.00K |
| Aug 17, 10 | PENHOET EDWARD | CTO | Sale | $2.78 | 72.00K | $199.99K | -- |
| Jun 17, 10 | PENHOET EDWARD | CTO | Purchase | $4.60 | 12.00K | $55.20K | 12.00K |
| Jun 17, 10 | MacCallum David | CTO | Purchase | $4.60 | 12.00K | $55.20K | 12.00K |
| Feb 24, 10 | Ramos Eleanor | Officer | Sale | $5.66 | 662 | $3.75K | 6.10K |
| Jan 29, 10 | JOHNSON JAMES A | CFO | Purchase | $5.67 | 69.00K | $391.23K | 69.00K |
| Jan 29, 10 | WILLIAMS DOUGLAS E | CEO | Purchase | $5.67 | 250.00K | $1.42M | 250.00K |
| Jan 29, 10 | Ramos Eleanor | Officer | Purchase | $5.67 | 48.15K | $273.01K | 48.15K |
| Dec 16, 09 | JOHNSON JAMES A | CFO | Purchase | $6.35 | 13.03K | $82.73K | 94.98K |
| Dec 16, 09 | JOHNSON JAMES A | CFO | Purchase | $6.35 | 29.83K | $189.41K | 81.95K |
| Dec 16, 09 | JOHNSON JAMES A | CFO | Purchase | $6.35 | 17.86K | $113.44K | 52.13K |
| Dec 16, 09 | JOHNSON JAMES A | CFO | Purchase | $6.35 | 20.88K | $132.57K | 34.26K |
| Dec 16, 09 | JOHNSON JAMES A | CFO | Purchase | $6.35 | 13.38K | $84.99K | 13.38K |
| Dec 16, 09 | JOHNSON JAMES A | CFO | Sale | $17.15 | 33.47K | $573.92K | -- |
| Dec 16, 09 | JOHNSON JAMES A | CFO | Sale | $15.27 | 52.20K | $797.09K | -- |
| Dec 16, 09 | JOHNSON JAMES A | CFO | Sale | $14.73 | 22.80K | $335.84K | -- |
| Dec 16, 09 | JOHNSON JAMES A | CFO | Sale | $18.38 | 44.66K | $820.94K | -- |
| Dec 16, 09 | JOHNSON JAMES A | CFO | Sale | $21.26 | 52.19K | $1.11M | -- |
| Dec 16, 09 | WILLIAMS DOUGLAS E | CTO | Purchase | $6.35 | 84.86K | $538.84K | 280.07K |
| Dec 16, 09 | WILLIAMS DOUGLAS E | CTO | Purchase | $6.35 | 24.00K | $152.39K | 195.21K |
| Dec 16, 09 | WILLIAMS DOUGLAS E | CTO | Purchase | $6.35 | 33.14K | $210.45K | 171.21K |
| Dec 16, 09 | WILLIAMS DOUGLAS E | CTO | Purchase | $6.35 | 18.07K | $114.74K | 138.07K |
| Dec 16, 09 | WILLIAMS DOUGLAS E | CTO | Purchase | $6.35 | 120.00K | $761.99K | 120.00K |
| Dec 16, 09 | WILLIAMS DOUGLAS E | CTO | Sale | $18.38 | 45.17K | $830.30K | -- |
| Dec 16, 09 | WILLIAMS DOUGLAS E | CTO | Sale | $14.73 | 42.00K | $618.66K | -- |
| Dec 16, 09 | WILLIAMS DOUGLAS E | CTO | Sale | $15.27 | 58.00K | $885.66K | -- |
| Dec 16, 09 | WILLIAMS DOUGLAS E | CTO | Sale | $19.27 | 300.00K | $5.78M | -- |
| Dec 16, 09 | WILLIAMS DOUGLAS E | CTO | Sale | $10.89 | 148.50K | $1.62M | -- |
| Dec 16, 09 | Ramos Eleanor | Officer | Purchase | $6.35 | 28.57K | $181.42K | 28.57K |
| Dec 16, 09 | Ramos Eleanor | Officer | Sale | $15.11 | 50.00K | $755.50K | -- |
| Dec 7, 09 | JOHNSON JAMES A | CFO | Sale | $2.78 | 10.00K | $27.78K | 145.00K |
| Dec 7, 09 | JOHNSON JAMES A | CFO | Purchase | $2.78 | 10.00K | $27.78K | 36.02K |
| Dec 7, 09 | JOHNSON JAMES A | CFO | Sale | $7.00 | 10.00K | $70.00K | 26.02K |
| Aug 31, 09 | JOHNSON JAMES A | CFO | Sale | $2.78 | 10.00K | $27.78K | 155.00K |
| Aug 31, 09 | JOHNSON JAMES A | CFO | Purchase | $2.78 | 10.00K | $27.78K | 36.02K |
| Aug 31, 09 | JOHNSON JAMES A | CFO | Sale | $6.00 | 10.00K | $60.00K | 26.02K |
| Jun 10, 09 | SORENSEN LARS REBIEN | CTO | Purchase | $4.61 | 12.00K | $55.32K | 12.00K |
| Jun 10, 09 | PENHOET EDWARD | CTO | Purchase | $4.61 | 12.00K | $55.32K | 12.00K |
| Jun 10, 09 | MacCallum David | CTO | Purchase | $4.61 | 12.00K | $55.32K | 12.00K |
| Jun 10, 09 | HEMBERGER JUDITH A | CTO | Purchase | $4.61 | 12.00K | $55.32K | 12.00K |
| Jun 10, 09 | Ramos Eleanor | Officer | Sale | -- | -- | -- | 6.76K |
| Jun 10, 09 | Ramos Eleanor | Officer | Sale | $9.10 | 7.50K | $68.25K | -- |
| Jun 10, 09 | Ramos Eleanor | Officer | Sale | $4.25 | 7.50K | $31.88K | -- |
| Jun 10, 09 | Ramos Eleanor | Officer | Sale | $15.11 | 50.00K | $755.50K | -- |
| Jun 10, 09 | Ramos Eleanor | Officer | Sale | $4.72 | 100.00K | $472.00K | -- |
| Jun 10, 09 | Ramos Eleanor | Officer | Sale | $4.37 | 6.75K | $29.50K | -- |
| May 15, 09 | WILLIAMS DOUGLAS E | CEO | Purchase | $4.37 | 100.00K | $437.00K | 100.00K |
| May 15, 09 | JOHNSON JAMES A | CFO | Purchase | $4.37 | 60.00K | $262.20K | 60.00K |
| Jan 30, 09 | WILLIAMS DOUGLAS E | CEO | Purchase | $4.25 | 87.00K | $369.75K | 87.00K |
| Jan 30, 09 | JOHNSON JAMES A | CFO | Purchase | $4.25 | 52.56K | $223.38K | 52.56K |
| Jan 30, 09 | ONETTO NICOLE | Officer | Purchase | $4.25 | 39.42K | $167.53K | 39.42K |
| Nov 18, 08 | WILLIAMS DOUGLAS E | President | Purchase | $3.50 | 500.00K | $1.75M | 500.00K |
| Jun 18, 08 | PENHOET EDWARD | CTO | Purchase | $7.90 | 12.00K | $94.80K | 12.00K |
| Jun 18, 08 | SORENSEN LARS REBIEN | CTO | Purchase | $7.90 | 12.00K | $94.80K | 12.00K |
| Jun 18, 08 | MacCallum David | CTO | Purchase | $7.90 | 12.00K | $94.80K | 12.00K |
| Jun 18, 08 | HEMBERGER JUDITH A | CTO | Purchase | $7.90 | 12.00K | $94.80K | 12.00K |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.80 | 1.50K | $13.20K | 9.08M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.79 | 1.30K | $11.43K | 9.08M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.78 | 2.80K | $24.58K | 9.07M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.77 | 700 | $6.14K | 9.07M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.76 | 600 | $5.26K | 9.07M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.75 | 400 | $3.50K | 9.07M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.74 | 400 | $3.50K | 9.07M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.73 | 800 | $6.98K | 9.07M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.72 | 1.20K | $10.46K | 9.07M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.71 | 1.50K | $13.07K | 9.07M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.70 | 1.60K | $13.92K | 9.07M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.69 | 400 | $3.48K | 9.06M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.68 | 1.05K | $9.10K | 9.06M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.67 | 800 | $6.94K | 9.06M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.66 | 574 | $4.97K | 9.06M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.65 | 1.60K | $13.84K | 9.06M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.64 | 2.40K | $20.74K | 9.06M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.63 | 800 | $6.90K | 9.06M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.62 | 2.10K | $18.10K | 9.06M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.61 | 4.20K | $36.16K | 9.05M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.60 | 3.70K | $31.82K | 9.05M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.59 | 400 | $3.44K | 9.05M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.58 | 2.50K | $21.45K | 9.05M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.57 | 5.40K | $46.28K | 9.04M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.56 | 3.40K | $29.10K | 9.04M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.55 | 600 | $5.13K | 9.04M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.54 | 1.70K | $14.52K | 9.03M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.53 | 1.40K | $11.94K | 9.03M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.52 | 9.60K | $81.79K | 9.03M |
| Mar 7, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $8.51 | 1.30K | $11.06K | 9.02M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.48 | 100 | $948 | 8.84M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.46 | 1.60K | $15.14K | 8.84M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.45 | 200 | $1.89K | 8.84M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.44 | 5.10K | $48.14K | 8.84M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.43 | 4.90K | $46.21K | 8.83M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.42 | 3.80K | $35.80K | 8.83M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.41 | 4.10K | $38.58K | 8.82M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.40 | 19.30K | $181.42K | 8.82M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.39 | 6.80K | $63.85K | 8.80M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.38 | 2.10K | $19.70K | 8.79M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.37 | 3.36K | $31.47K | 8.79M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.36 | 1.20K | $11.23K | 8.79M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.35 | 400 | $3.74K | 8.79M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.34 | 2.90K | $27.04K | 8.79M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.33 | 1.70K | $15.86K | 8.78M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.32 | 4.40K | $41.01K | 8.78M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.31 | 1.10K | $10.24K | 8.78M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.30 | 1.10K | $10.23K | 8.78M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.29 | 100 | $929 | 8.78M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.28 | 1.30K | $12.06K | 8.78M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.26 | 2.50K | $23.15K | 8.77M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.25 | 7.37K | $68.14K | 8.77M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.24 | 5.40K | $49.90K | 8.76M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.23 | 2.53K | $23.38K | 8.76M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.22 | 3.50K | $32.27K | 8.76M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.21 | 2.90K | $26.71K | 8.75M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.20 | 4.40K | $40.48K | 8.75M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.19 | 2.30K | $21.14K | 8.75M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.18 | 1.60K | $14.69K | 8.74M |
| Mar 5, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.17 | 200 | $1.83K | 8.74M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.80 | 2.00K | $19.60K | 8.54M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.77 | 100 | $977 | 8.54M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.76 | 200 | $1.95K | 8.54M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.75 | 1.40K | $13.65K | 8.54M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.74 | 540 | $5.26K | 8.54M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.73 | 2.40K | $23.35K | 8.54M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.72 | 2.70K | $26.21K | 8.53M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.71 | 5.50K | $53.41K | 8.53M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.70 | 9.78K | $94.88K | 8.53M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.69 | 1.02K | $9.87K | 8.52M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.68 | 6.10K | $59.05K | 8.52M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.67 | 2.80K | $27.08K | 8.51M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.66 | 1.00K | $9.66K | 8.51M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.65 | 4.90K | $47.28K | 8.51M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.64 | 12.70K | $122.43K | 8.50M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.63 | 13.80K | $132.89K | 8.49M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.62 | 8.20K | $78.88K | 8.47M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.61 | 6.60K | $63.43K | 8.47M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.60 | 12.76K | $122.46K | 8.46M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.59 | 4.33K | $41.55K | 8.45M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.58 | 3.31K | $31.72K | 8.44M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.57 | 1.00K | $9.57K | 8.44M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.56 | 700 | $6.69K | 8.44M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.55 | 5.50K | $52.53K | 8.44M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.54 | 3.00K | $28.62K | 8.43M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.53 | 7.10K | $67.66K | 8.43M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.52 | 9.90K | $94.25K | 8.42M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.51 | 9.30K | $88.44K | 8.41M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.50 | 300 | $2.85K | 8.40M |
| Mar 3, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.49 | 600 | $5.69K | 8.40M |
| Feb 29, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.99 | 11.79K | $117.77K | 8.40M |
| Feb 29, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.98 | 4.20K | $41.96K | 8.39M |
| Feb 29, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.97 | 10.23K | $101.99K | 8.39M |
| Feb 29, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.96 | 643 | $6.40K | 8.38M |
| Feb 29, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $10.10 | 2.41K | $24.30K | 8.38M |
| Feb 29, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $10.09 | 3.00K | $30.27K | 8.37M |
| Feb 29, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $10.08 | 3.70K | $37.30K | 8.37M |
| Feb 29, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $10.07 | 1.84K | $18.50K | 8.37M |
| Feb 29, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $10.06 | 2.15K | $21.60K | 8.36M |
| Feb 29, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $10.05 | 1.10K | $11.05K | 8.36M |
| Feb 29, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $10.03 | 1.50K | $15.04K | 8.36M |
| Feb 29, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $10.02 | 3.30K | $33.07K | 8.36M |
| Feb 29, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $10.01 | 7.03K | $70.39K | 8.36M |
| Feb 29, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $10.00 | 40.12K | $401.21K | 8.35M |
| Feb 28, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.99 | 700 | $6.99K | 8.31M |
| Feb 28, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.98 | 1.10K | $10.98K | 8.31M |
| Feb 28, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.95 | 2.00K | $19.90K | 8.31M |
| Feb 28, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.85 | 2.00K | $19.70K | 8.31M |
| Feb 28, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $10.00 | 4.34K | $43.42K | 8.30M |
| Feb 26, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.50 | 700 | $6.65K | 8.27M |
| Feb 26, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.49 | 100 | $949 | 8.27M |
| Feb 26, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.45 | 1.10K | $10.39K | 8.27M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.73 | 500 | $4.87K | 8.27M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.72 | 800 | $7.78K | 8.27M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.71 | 1.60K | $15.54K | 8.27M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.70 | 1.90K | $18.43K | 8.27M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.69 | 5.75K | $55.77K | 8.26M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.68 | 5.70K | $55.18K | 8.26M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.67 | 7.20K | $69.62K | 8.25M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.66 | 3.89K | $37.60K | 8.25M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.65 | 8.41K | $81.14K | 8.24M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.64 | 5.70K | $54.95K | 8.23M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.63 | 9.30K | $89.56K | 8.23M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.62 | 6.40K | $61.57K | 8.22M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.61 | 3.00K | $28.83K | 8.21M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.60 | 21.16K | $203.15K | 8.21M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.59 | 12.94K | $124.09K | 8.19M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.58 | 6.00K | $57.48K | 8.18M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.57 | 21.70K | $207.67K | 8.17M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.56 | 8.60K | $82.22K | 8.15M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.55 | 4.34K | $41.49K | 8.14M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.54 | 2.66K | $25.37K | 8.13M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.53 | 841 | $8.01K | 8.13M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.52 | 1.20K | $11.42K | 8.13M |
| Feb 25, 08 | WARBURG PINCUS EQUITY PARTNERS LP | 10 percent owner | Purchase | $9.50 | 4.20K | $39.90K | 8.13M |