| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Miller Russell D | Sr. Executive Vice President | 999 LAKE DRIVE, ISSAQUAH | /s/ Alejandro Torres, Attorney-in-Fact | 01 Oct 2025 | 0001729741 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | COST | Common Stock | Sale | $3,093,615 | -3,381 | -26% | $915.00 | 9,740 | 29 Sep 2025 | Miller Family Trust | F1 |
| holding | COST | Common Stock | 1 | 29 Sep 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents one (1) share transferred from direct to indirect holdings inadvertently omitted from the Form 4 filed on September 24, 2025. |