Form 4 for PI IMPINJ INC
Accepted 2025-09-24 00:00:00 ET · period of report 2025-09-23 · accession 0001677721-25-000006 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-09-24 | 2025-09-23 | PI | DIORIO CHRIS PH.D. | CEO, Dir | M - OptEx | $0.00 | +5,636 | 354.9K | +2% | $0 |
| D | 2025-09-24 | 2025-09-23 | PI | DIORIO CHRIS PH.D. | CEO, Dir | F - Tax | $184.97 | -2,219 | 354.5K | -0.6% | -$410.4K |
| DM | 2025-09-24 | 2025-09-23 | PI | DIORIO CHRIS PH.D. | CEO, Dir | M - OptEx | $0.00 | -5,636 | 5,188 | -52% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-09-23 | M | A | 1,818 | $0.00 | 356,724 | D | — | — | |
| 2 | Common | Common Stock | 2025-09-23 | F | D | 2,219 | $184.97 | 354,505 | D | — | — | |
| 3 | Common | Common Stock | 2025-09-23 | M | A | 2,594 | $0.00 | 353,682 | D | — | — | |
| 4 | Common | Common Stock | 2025-09-23 | M | A | 1,224 | $0.00 | 354,906 | D | — | — | |
| 5 | Derivative | Restricted Stock Units | 2025-09-23 | M | D | 1,224 | $0.00 | 7,343 | D | $0.00 · — to — | 1,224 Common Stock | (F2) Each RSU represents a contingent right to receive one share of Impinj common stock. (F4) On March 23, 2023, the reporting person was granted 19,580 RSUs. One-sixteenth of these vested on September 23, 2025. |
| 6 | Derivative | Restricted Stock Units | 2025-09-23 | M | D | 1,818 | $0.00 | 18,172 | D | $0.00 · — to — | 1,818 Common Stock | (F2) Each RSU represents a contingent right to receive one share of Impinj common stock. (F5) On March 23, 2024, the reporting person was granted 29,075 RSUs. One-sixteenth of these vested on September 23, 2025. |
| 7 | Derivative | Restricted Stock Units | 2025-09-23 | M | D | 2,594 | $0.00 | 5,188 | D | $0.00 · — to — | 2,594 Common Stock | (F2) Each RSU represents a contingent right to receive one share of Impinj common stock. (F3) On March 23, 2022, the reporting person was granted 41,500 RSUs. One-sixteenth of these vested on September 23, 2025. |