| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | COST | Common Stock | Sale | $338,113 | -600 | -2.1% | $563.52 | 28,618 | 15 Dec 2021 | Direct | |
| transaction | COST | Common Stock | Sale | $890,852 | -1,618 | -5.7% | $550.59 | 27,000 | 15 Dec 2021 | Direct | |
| holding | COST | Common Stock | 7,000 | 15 Dec 2021 | North Island Holdings LLC |