WASHINGTON MIRON (CIK 1969449) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-16). Recent activity: Sell PI (800 shares), Buy PI (3,114 shares), Sell PI (342 shares), Buy PI (1,811 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-16 | IMPINJ INC (PI) | Director | Sell | 800 | $138,608 |
| 2026-05-29 | IMPINJ INC (PI) | Director | Buy | 3,114 | $0 |
| 2025-11-07 | IMPINJ INC (PI) | Director | Sell | 342 | $54,357 |
| 2025-06-06 | IMPINJ INC (PI) | Director | Buy | 1,811 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-09-16