| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Frates Caton | Executive Vice President | 999 LAKE DRIVE, ISSAQUAH | /s/ Alejandro Torres, Attorney-in-Fact | 2025-09-30 | 0001928633 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | COST | Common Stock | Sale | -$1.4M | -1.54K | -14.23% | $910.02 | 9.28K | Sep 29, 2025 | Direct |