Form 4 for PI IMPINJ INC
Accepted 2026-03-24 00:00:00 ET · period of report 2026-03-23 · accession 0001677721-26-000005 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-03-24 | 2026-03-23 | PI | DIORIO CHRIS PH.D. | CEO, Dir | F - Tax | $101.17 | -2,218 | 390.3K | -0.6% | -$224.4K |
| DM | 2026-03-24 | 2026-03-23 | PI | DIORIO CHRIS PH.D. | CEO, Dir | M - OptEx | $0.00 | +5,635 | 389.5K | +1% | $0 |
| DM | 2026-03-24 | 2026-03-23 | PI | DIORIO CHRIS PH.D. | CEO, Dir | M - OptEx | $0.00 | -5,635 | 4,895 | -54% | $0 |
| D | 2026-03-24 | 2026-03-23 | PI | DIORIO CHRIS PH.D. | CEO, Dir | A - Grant | $0.00 | +24.8K | 24.8K | New | $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 | 2026-03-23 | F | D | 2,218 | $101.17 | 390,302 | D | — | — | |
| 2 | Common | Common Stock | 2026-03-23 | M | A | 1,817 | $0.00 | 392,520 | D | — | — | |
| 3 | Common | Common Stock | 2026-03-23 | M | A | 1,224 | $0.00 | 390,703 | D | — | — | |
| 4 | Common | Common Stock | 2026-03-23 | M | A | 2,594 | $0.00 | 389,479 | D | — | — | |
| 5 | Derivative | Restricted Stock Units | 2026-03-23 | M | D | 2,594 | $0.00 | 0 | 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 March 23, 2026. |
| 6 | Derivative | Restricted Stock Units | 2026-03-23 | A | A | 24,806 | $0.00 | 24,806 | D | $0.00 · — to — | 24,806 Common Stock | (F2) Each RSU represents a contingent right to receive one share of Impinj common stock. (F6) One-fourth of the shares subject to the grant shall vest on March 23, 2027, and 1/16th of the shares subject to the grant shall vest each quarter thereafter, subject to the reporting person's continued service to the Issuer through such date. |
| 7 | Derivative | Restricted Stock Units | 2026-03-23 | M | D | 1,817 | $0.00 | 14,538 | D | $0.00 · — to — | 1,817 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 March 23, 2026. |
| 8 | Derivative | Restricted Stock Units | 2026-03-23 | M | D | 1,224 | $0.00 | 4,895 | 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 March 23, 2026. |