DIORIO CHRIS PH.D. (CIK 1677721) reported 78 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-21). Recent activity: Buy PI (3,753 shares), Sell PI (1,477 shares), Sell PI (10,000 shares), Sell PI (10,000 shares), Buy PI (1,223 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-21 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Buy | 3,753 | $0 |
| 2026-08-21 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Sell | 1,477 | $235,921 |
| 2026-08-18 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Sell | 10,000 | $0 |
| 2026-07-14 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Sell | 10,000 | $0 |
| 2026-06-24 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Buy | 1,223 | $0 |
| 2026-06-24 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Buy | 1,817 | $0 |
| 2026-06-24 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Sell | 1,197 | $149,888 |
| 2026-06-16 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Sell | 10,000 | $0 |
| 2026-06-09 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Buy | 180,000 | $28.2M |
| 2026-06-09 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Sell | 180,000 | $28.2M |
| 2026-03-24 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Buy | 2,594 | $0 |
| 2026-03-24 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Buy | 1,224 | $0 |
| 2026-03-24 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Sell | 2,218 | $224,395 |
| 2026-03-24 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Buy | 1,817 | $0 |
| 2026-02-23 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Buy | 21,734 | $0 |
| 2026-02-23 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Sell | 7,435 | $951,085 |
| 2026-02-19 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Sell | 1,836 | $0 |
| 2025-12-23 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Buy | 2,594 | $0 |
| 2025-12-23 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Buy | 1,224 | $0 |
| 2025-12-23 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Buy | 1,817 | $0 |
| 2025-12-23 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Sell | 2,218 | $381,474 |
| 2025-11-20 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Sell | 7,000 | $0 |
| 2025-10-30 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Buy | 23,500 | $526,400 |
| 2025-09-24 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Buy | 1,224 | $0 |
| 2025-09-24 | IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER | Buy | 2,594 | $0 |
Source: SEC Form 4 filings · as of 2026-08-21