SEC Form 4 · accession 0001677721-26-000016
IMPINJ INC · PI
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Chris Diorio Ph.D.
Officer — CHIEF EXECUTIVE OFFICER · Director
Period of report
Sep 14, 2026
Accepted (ET)
Sep 15, 2026 · 4:47 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001114995
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Sep 14, 2026 | G | 10,000 | $0.00 | D | 354,421 | D | |
| Common Stock | holding | — | — | — | 199,362 | I | by DFT L.L.C. |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The disposition of shares reported by Dr. Diorio was effected pursuant to a Rule 10b5-1 trading plan adopted on February 23, 2026.