| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | COST | Common Stock | Sale | $5,487,456 | -8,000 | -3.6% | $685.93 | 216,212 | 23 Jan 2024 | Direct | |
| holding | COST | Common Stock | 126,227 | 23 Jan 2024 | By GRAT I | ||||||
| holding | COST | Common Stock | 20,000 | 23 Jan 2024 | By GRAT II | ||||||
| holding | COST | Common Stock | 20,000 | 23 Jan 2024 | By GRAT III |