SEC Form 4 · accession 0001677721-26-000006
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
May 26, 2026
Accepted (ET)
Jun 9, 2026 · 5:00 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 StockF1 | May 26, 2026 | J | 180,000 | $156.675 | A | 570,302 | D | |
| Common StockF1 | May 26, 2026 | J | 180,000 | $156.675 | D | 390,302 | 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
- F1For estate planning purposes, on May 26, 2026 (the "Transfer Date"), Dr. Chris Diorio ("Dr. Diorio") received 180,000 shares of the issuer's common stock from the 2012 Diorio Descendants Irrevocable Trust (the "Diorio Trust") in exchange for the simultaneous transfer by Dr. Diorio of 180,000 shares of the issuer's common stock to the Diorio Trust. The estimated per-share value was $156.675, the average of the high and low sales prices of a share of the issuer's common stock on the Transfer Date.
- F2The exchange of shares reported by Dr. Diorio was effected pursuant to a Rule 10b5-1 trading plan adopted on February 23, 2026.