| 2022-12-08 | Sale | Mesa Laboratories, Inc. MLAB | director | 230 0.0042% | $174.97 | $40,244 | -21.31% | |
| 2017-09-13 | Sale | Bio-Rad Laboratories, Inc. BIO | Executive Vice President | 1,245 0.0042% | $221.20 | $275,390 | +17.63% | |
| 2017-05-31 | Sale | Bio-Rad Laboratories, Inc. BIO | Executive Vice President | 900 0.003% | $222.65 | $200,387 | +10.37% | |
| 2016-11-07 | Sale | Bio-Rad Laboratories, Inc. BIO | Executive Vice President | 84 0.0003% | $165.62 | $13,912 | +28.51% | |
| 2016-09-13 | Sale | Bio-Rad Laboratories, Inc. BIO | Executive Vice President | 92 0.0003% | $158.08 | $14,543 | +26.07% | |
| 2016-09-12 | Sale | Bio-Rad Laboratories, Inc. BIO | Executive Vice President | 414 0.0014% | $155.02 | $64,177 | +23.94% | |
| 2016-06-13 | Sale | Bio-Rad Laboratories, Inc. BIO | Executive Vice President | 1,572.41 0.0054% | $145.29 | $228,461 | +23.78% | |
| 2015-09-14 | Sale | Bio-Rad Laboratories, Inc. BIO | Executive Vice President | 182 0.0006% | $139.11 | $25,318 | +1.2% | |
| 2015-09-11 | Sale | Bio-Rad Laboratories, Inc. BIO | Executive Vice President | 92 0.0003% | $137.50 | $12,650 | -0.06% | |
| 2015-09-09 | Sale | Bio-Rad Laboratories, Inc. BIO | Executive Vice President | 84 0.0003% | $139.01 | $11,677 | +0.48% |