| 2024-04-17 | Sale | Costco Wholesale Corporation COST | Senior EVP | 785 0.0002% | $722.86 | $567,443 | +11.31% | |
| 2023-11-03 | Sale | Costco Wholesale Corporation COST | Senior EVP | 4,500 0.001% | $557.75 | $2.51M | +28.7% | |
| 2023-03-07 | Sale | Costco Wholesale Corporation COST | Senior EVP | 1,500 0.0003% | $488.95 | $733,430 | +15.04% | |
| 2022-11-04 | Sale | Costco Wholesale Corporation COST | Executive Vice President | 1,000 0.0002% | $483.58 | $483,578 | +5.57% | |
| 2021-12-13 | Sale | Costco Wholesale Corporation COST | Executive Vice President | 4,000 0.0009% | $556.02 | $2.22M | -6.94% | |
| 2020-12-14 | Sale | Costco Wholesale Corporation COST | Executive Vice President | 5,000 0.0011% | $377.24 | $1.89M | +3.58% | |
| 2019-11-08 | Sale | Costco Wholesale Corporation COST | Executive Vice President | 1,000 0.0002% | $302.83 | $302,833 | +2.3% | |
| 2018-04-19 | Sale | Costco Wholesale Corporation COST | Executive Vice President | 24,786 0.0056% | $194.12 | $4.81M | +12.99% |