| 2012-12-20 | Sale | Interactive Brokers Group, Inc. IBKR | 59,519 0.1298% | $14.12 | $840,206 | +16.19% | ||
| 2012-12-19 | Sale | Interactive Brokers Group, Inc. IBKR | 29,759 0.0655% | $14.16 | $421,426 | +16.67% | ||
| 2011-02-15 | Sale | MarketAxess Holdings Inc. MKTX | 10 percent owner | 2.41M 6.464% | $20.57 | $49.51M | +25.06% | |
| 2010-04-27 | Sale | Netflix, Inc. NFLX | other | 21,068 0.0413% | $105.06 | $2.21M | +64.42% | |
| 2009-11-09 | Sale | Netflix, Inc. NFLX | other | 18,611 0.035% | $56.92 | $1.06M | +75.85% | |
| 2009-11-06 | Sale | Netflix, Inc. NFLX | other | 21,809 0.0407% | $55.11 | $1.2M | +79.57% | |
| 2009-08-06 | Interactive Brokers Group, Inc. IBKR | 35,808 0.009% | $19.12 | $684,649 | -10.47% | |||
| 2009-08-05 | Interactive Brokers Group, Inc. IBKR | 92,254 0.0231% | $19.10 | $1.76M | -10.87% | |||
| 2009-08-04 | Interactive Brokers Group, Inc. IBKR | 33,330 0.0083% | $19.03 | $634,270 | -10.68% | |||
| 2009-07-30 | Interactive Brokers Group, Inc. IBKR | 23,628 0.0059% | $18.60 | $439,481 | -7.95% | |||
| 2009-07-29 | Interactive Brokers Group, Inc. IBKR | 146,058 0.0365% | $18.15 | $2.65M | -6.26% | |||
| 2009-04-30 | Sale | Netflix, Inc. NFLX | other | 44,667 0.078% | $45.80 | $2.05M | +12.47% | |
| 2009-04-29 | Sale | Netflix, Inc. NFLX | other | 27,463 0.0478% | $45.55 | $1.25M | +12.58% | |
| 2009-02-06 | Sale | Netflix, Inc. NFLX | other | 42,897 0.0714% | $36.19 | $1.55M | +21.14% |