| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| COST | Executive VP | Oct 22, 2022 | Option Exercise | $478.18 | 2,530 | 1,209,795 | 6,397 | Oct 25, 2022, 05:03 PM |
| COST | Executive VP | Dec 13, 2021 | Sale | $550.72 | 4,000 | 2,202,884 | 6,592 | Dec 14, 2021, 11:34 AM |
| COST | Executive VP | Oct 22, 2021 | Option Exercise | $481.99 | 2,966 | 1,429,582 | 6,194 | Oct 26, 2021, 04:14 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| COST | Executive VP | Oct 22, 2022 | Option Exercise | 1,209,795 |
| COST | Executive VP | Dec 13, 2021 | Sale | 2,202,884 |
| COST | Executive VP | Oct 22, 2021 | Option Exercise | 1,429,582 |