| 2018-03-26 | Sale | CytomX Therapeutics, Inc. CTMX | director | 10,000 0.0254% | $31.93 | $319,283 | -41.71% | |
| 2018-03-02 | Sale | CytomX Therapeutics, Inc. CTMX | director | 32,362 0.0756% | $30.00 | $970,931 | -32.69% | |
| 2018-02-28 | Sale | CytomX Therapeutics, Inc. CTMX | director | 7,638 0.02% | $30.00 | $229,140 | -24.3% | |
| 2018-01-05 | Sale | CytomX Therapeutics, Inc. CTMX | director | 20,000 0.052% | $25.01 | $500,156 | -1.69% | |
| 2017-12-26 | Sale | CytomX Therapeutics, Inc. CTMX | director | 10,000 0.0262% | $22.29 | $222,851 | +11.12% | |
| 2017-10-04 | Sale | CytomX Therapeutics, Inc. CTMX | director | 20,000 0.0544% | $24.27 | $485,360 | +5.89% | |
| 2017-09-26 | Sale | CytomX Therapeutics, Inc. CTMX | director | 10,000 0.027% | $17.30 | $172,952 | +40.92% | |
| 2017-06-26 | Sale | CytomX Therapeutics, Inc. CTMX | director | 10,000 0.0267% | $14.61 | $146,100 | +48.15% | |
| 2015-10-14 | CytomX Therapeutics, Inc. CTMX | director | 30,000 0.0753% | $12.00 | $360,000 | -3.85% | ||
| 2010-09-08 | Sale | Amgen Inc. AMGN | director | 800 <0.0001% | $52.36 | $41,888 | +4.68% | |
| 2010-08-26 | Sale | Amgen Inc. AMGN | director | 800 <0.0001% | $51.76 | $41,404 | +8.52% | |
| 2009-01-27 | Sale | Amgen Inc. AMGN | director | 16,000 0.0016% | $53.29 | $852,621 | +5.91% | |
| 2006-02-17 | Amgen Inc. AMGN | director | 4,705 0.0004% | $74.48 | $350,427 | -6.84% |