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| Date | Insider | Title | Type | Price | Shares | Value | Owned After |
|---|---|---|---|---|---|---|---|
| Feb 28, 17 | Mitchell Christopher | CTO | Sale | $0.01 | 9.42K | $94.16 | -- |
| Feb 28, 17 | Richter Michael L | CTO | Sale | $0.01 | 64.75K | $647.52 | -- |
| Feb 28, 17 | RATTERMAN JOSEPH P | CTO | Sale | $0.01 | 752.06K | $7.52K | -- |
| Feb 28, 17 | Hemsley Mark S | CEO | Sale | $9.83 | 31.54K | $309.99K | -- |
| Feb 28, 17 | Hemsley Mark S | CEO | Sale | $0.01 | 285.90K | $2.86K | -- |
| Feb 28, 17 | Isaacson Christopher A | Officer | Sale | $0.01 | 232.79K | $2.33K | -- |
| Feb 28, 17 | Isaacson Christopher A | Officer | Sale | $12.52 | 31.54K | $394.82K | -- |
| Feb 28, 17 | Isaacson Christopher A | Officer | Sale | $9.83 | 126.14K | $1.24M | -- |
| Feb 28, 17 | Harkins Bryan | Officer | Sale | $0.01 | 189.78K | $1.90K | -- |
| Feb 28, 17 | Schell Brian N | CFO | Sale | $0.01 | 198.55K | $1.99K | -- |
| Jan 31, 17 | Harkins Bryan | Officer | Sale | $35.45 | 5.20K | $184.34K | 189.78K |
| Jan 13, 17 | Schell Brian N | CFO | Purchase | -- | 8.99K | -- | 198.55K |
| Jan 13, 17 | Schell Brian N | CFO | Sale | $33.76 | 7.83K | $264.27K | 189.56K |
| Jan 13, 17 | Isaacson Christopher A | Officer | Purchase | -- | 7.49K | -- | 232.79K |
| Jan 13, 17 | Isaacson Christopher A | Officer | Sale | $33.76 | 8.29K | $279.87K | 225.31K |
| Jan 13, 17 | Harkins Bryan | Officer | Purchase | -- | 7.49K | -- | 194.98K |
| Jan 13, 17 | Harkins Bryan | Officer | Sale | $33.76 | 10.68K | $360.42K | 187.49K |
| Jan 13, 17 | Hemsley Mark S | CEO | Purchase | -- | 5.24K | -- | 285.90K |
| Jan 13, 17 | Hemsley Mark S | CEO | Sale | $33.76 | 8.55K | $288.58K | 280.66K |
| Dec 15, 16 | Hemsley Mark S | CEO | Purchase | -- | 13.33K | -- | 289.21K |
| Dec 15, 16 | Isaacson Christopher A | Officer | Purchase | -- | 7.09K | -- | 233.06K |
| Dec 15, 16 | Harkins Bryan | Officer | Purchase | -- | 14.43K | -- | 198.17K |
| Dec 15, 16 | Schell Brian N | CFO | Purchase | -- | 7.07K | -- | 196.85K |
| Dec 1, 16 | Hemsley Mark S | CEO | Sale | $31.95 | 25.53K | $815.78K | 275.88K |
| Nov 22, 16 | Isaacson Christopher A | Officer | Sale | -- | 11.00K | -- | 231.17K |
| Dec 1, 16 | Isaacson Christopher A | Officer | Sale | $31.95 | 5.21K | $166.52K | 225.96K |
| Dec 1, 16 | Harkins Bryan | Officer | Sale | $31.95 | 4.97K | $158.70K | 183.73K |
| Dec 1, 16 | Schell Brian N | CFO | Sale | $31.95 | 8.64K | $276.14K | 189.78K |
| Nov 21, 16 | Mitchell Christopher | CTO | Sale | $31.21 | 1.86M | $58.04M | 3.98M |
| Nov 22, 16 | Mitchell Christopher | CTO | Sale | $31.20 | 88.38K | $2.76M | 3.90M |
| Nov 21, 16 | Mitchell Christopher | CTO | Sale | $31.21 | 4.49K | $140.22K | 9.63K |
| Nov 22, 16 | Mitchell Christopher | CTO | Sale | $31.20 | 214 | $6.68K | 9.42K |
| Nov 21, 16 | Mitchell Christopher | CTO | Sale | $31.21 | 727 | $22.69K | 1.56K |
| Nov 22, 16 | Mitchell Christopher | CTO | Sale | $31.20 | 35 | $1.09K | 1.52K |
| Nov 17, 16 | TA ASSOCIATES, L.P. | 10 percent owner | Sale | -- | 2.06M | -- | 4.12M |
| Nov 17, 16 | TA ASSOCIATES, L.P. | 10 percent owner | Sale | -- | 1.42M | -- | 2.84M |
| Nov 17, 16 | TA ASSOCIATES, L.P. | 10 percent owner | Sale | -- | 69.52K | -- | 139.03K |
| Nov 17, 16 | KCG Strategic Holdings LLC | 10 percent owner | Sale | $31.09 | 8.86M | $275.56M | 2.38M |
| Nov 18, 16 | KCG Strategic Holdings LLC | 10 percent owner | Sale | $30.35 | 2.17M | $66.00M | 205.55K |
| Nov 14, 16 | KCG Strategic Holdings LLC | 10 percent owner | Sale | -- | 500.00K | -- | 11.55M |
| Nov 15, 16 | KCG Strategic Holdings LLC | 10 percent owner | Sale | -- | 303.73K | -- | 11.24M |
| Nov 9, 16 | KCG Strategic Holdings LLC | 10 percent owner | Sale | -- | 382.00K | -- | 12.33M |
| Nov 10, 16 | KCG Strategic Holdings LLC | 10 percent owner | Sale | -- | 185.61K | -- | 12.15M |
| Nov 11, 16 | KCG Strategic Holdings LLC | 10 percent owner | Sale | -- | 100.00K | -- | 12.05M |
| Nov 7, 16 | KCG Strategic Holdings LLC | 10 percent owner | Sale | -- | 200.00K | -- | 12.92M |
| Nov 8, 16 | KCG Strategic Holdings LLC | 10 percent owner | Sale | -- | 207.07K | -- | 12.71M |
| Oct 19, 16 | KCG Strategic Holdings LLC | 10 percent owner | Sale | -- | 95.00K | -- | 13.12M |
| Oct 14, 16 | KCG Strategic Holdings LLC | 10 percent owner | Sale | -- | 16.88K | -- | 13.22M |
| Aug 31, 16 | Richter Michael L | CTO | Sale | -- | 484.74K | -- | 64.75K |
| Jun 18, 16 | Schell Brian N | CFO | Sale | $27.44 | 4.86K | $133.41K | 198.43K |
| May 18, 16 | TA ASSOCIATES, L.P. | 10 percent owner | Purchase | -- | 2.21M | -- | 2.77M |
| May 18, 16 | TA ASSOCIATES, L.P. | 10 percent owner | Purchase | -- | 1.52M | -- | 1.91M |
| May 18, 16 | TA ASSOCIATES, L.P. | 10 percent owner | Purchase | -- | 74.47K | -- | 93.64K |
| May 18, 16 | TA ASSOCIATES, L.P. | 10 percent owner | Sale | -- | 74.47K | -- | -- |
| May 17, 16 | Richter Michael L | CTO | Purchase | -- | 3.53K | -- | 549.49K |
| May 17, 16 | RATTERMAN JOSEPH P | CTO | Purchase | -- | 7.06K | -- | 26.06K |
| Apr 20, 16 | Knight Capital Holdings LLC | 10 percent owner | Purchase | -- | 379.00K | -- | 15.83M |
| Apr 20, 16 | Knight Capital Holdings LLC | 10 percent owner | Sale | $19.00 | 2.60M | $49.34M | 13.23M |
| Apr 20, 16 | Knight Capital Holdings LLC | 10 percent owner | Sale | -- | 379.00K | -- | -- |
| Apr 20, 16 | Richter Michael L | CTO | Sale | $19.00 | 181.53K | $3.45M | 545.97K |
| Apr 20, 16 | Isaacson Christopher A | Officer | Purchase | $19.00 | 1.25K | $23.75K | 242.17K |
| Apr 20, 16 | Harkins Bryan | Officer | Purchase | $19.00 | 6.35K | $120.65K | 188.70K |
| Apr 14, 16 | Knight Capital Holdings LLC | 10 percent owner | Sale | -- | -- | -- | 5.06M |
| Apr 14, 16 | Knight Capital Holdings LLC | 10 percent owner | Sale | -- | 379.00K | -- | -- |
| Apr 14, 16 | SPECTRUM EQUITY INVESTORS VI LP | 10 percent owner | Sale | -- | -- | -- | 4.03M |
| Apr 14, 16 | Mitchell Christopher | CTO | Sale | -- | -- | -- | 4.03M |
| Apr 14, 16 | TA ASSOCIATES, L.P. | 10 percent owner | Sale | -- | -- | -- | 3.40M |
| Apr 14, 16 | TA ASSOCIATES, L.P. | 10 percent owner | Sale | -- | -- | -- | 2.34M |
| Apr 14, 16 | TA ASSOCIATES, L.P. | 10 percent owner | Sale | -- | -- | -- | 567.49K |
| Apr 14, 16 | TA ASSOCIATES, L.P. | 10 percent owner | Sale | -- | -- | -- | 391.10K |
| Apr 14, 16 | TA ASSOCIATES, L.P. | 10 percent owner | Sale | -- | -- | -- | 114.91K |
| Apr 14, 16 | TA ASSOCIATES, L.P. | 10 percent owner | Sale | -- | -- | -- | 19.16K |
| Apr 14, 16 | TA ASSOCIATES, L.P. | 10 percent owner | Sale | -- | 74.47K | -- | -- |
| Apr 14, 16 | Richter Michael L | CTO | Sale | -- | -- | -- | 250.00K |
| Apr 14, 16 | RATTERMAN JOSEPH P | CTO | Sale | -- | -- | -- | 258.44K |
| Apr 14, 16 | RATTERMAN JOSEPH P | CTO | Sale | -- | -- | -- | 6.53K |
| Apr 14, 16 | Schell Brian N | CFO | Sale | -- | -- | -- | 69.86K |
| Apr 14, 16 | Isaacson Christopher A | Officer | Sale | -- | -- | -- | 82.79K |
| Apr 14, 16 | Isaacson Christopher A | Officer | Sale | $16.38 | 10.84K | $177.51K | -- |
| Apr 14, 16 | Isaacson Christopher A | Officer | Sale | $28.63 | 43.35K | $1.24M | -- |
| Apr 14, 16 | Hemsley Mark S | CEO | Sale | -- | -- | -- | 103.58K |
| Apr 14, 16 | Hemsley Mark S | CEO | Sale | $28.63 | 10.84K | $310.26K | -- |
| Apr 14, 16 | Harkins Bryan | Officer | Sale | -- | -- | -- | 62.66K |
| Mar 22, 12 | Schell Brian N | Officer | Sale | -- | -- | -- | -- |
| Mar 22, 12 | Isaacson Christopher A | COO | Sale | -- | -- | -- | 7.15K |
| Mar 22, 12 | Isaacson Christopher A | COO | Sale | $15.00 | 60.00K | $900.00K | -- |
| Mar 22, 12 | Isaacson Christopher A | COO | Sale | $33.75 | 50.00K | $1.69M | -- |
| Mar 22, 12 | Isaacson Christopher A | COO | Sale | $47.03 | 40.00K | $1.88M | -- |
| Mar 22, 12 | Hemsley Mark S | President | Sale | $47.03 | 10.00K | $470.30K | -- |
| Mar 22, 12 | Hemsley Mark S | President | Sale | $25.00 | 50.00K | $1.25M | -- |
| Mar 22, 12 | Richter Michael L | CTO | Sale | -- | -- | -- | 250.00K |
| Mar 22, 12 | RATTERMAN JOSEPH P | CEO | Sale | -- | -- | -- | 99.53K |
| Mar 22, 12 | RATTERMAN JOSEPH P | CEO | Sale | $15.00 | 300.00K | $4.50M | -- |
| Nov 16, 04 | HUBBARD ROBERT GLENN | CTO | Sale | -- | -- | -- | -- |
Latest filing Checked hourly; insiders must file within 2 business days of a tradeAbout this data