Chris Diorio Ph.D.
Chris Diorio Ph.D.: CHIEF EXECUTIVE OFFICER · Director at Impinj. What Chris Diorio Ph.D. holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Impinj (PI)
Chris Diorio Ph.D. holds 555,627 Impinj shares (1.8% of the company), worth about $103.4M at the last price, according to the Form 4 of Sep 23, 2026.
- Shares held: 356,265 (1.2%), $66.3M — Held in their own name.
- Shares held: 199,362 (0.65%), $37.1M — Held through companies or funds (by DFT L.L.C.).
- Share units: 10,904 (0.04%), $2.0M — Impinj promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.
Declarations
- Impinj (PI) — Form 4 of Sep 23, 2026 (CHIEF EXECUTIVE OFFICER): option exercise or conversion of 1,224; option exercise or conversion of 1,817; 555,627 shares after 0001677721-26-000018
- Impinj (PI) — Form 4 of Sep 14, 2026 (CHIEF EXECUTIVE OFFICER): gift of 10,000; 553,783 shares after 0001677721-26-000016
- Impinj (PI) — Form 4 of Aug 20, 2026 (CHIEF EXECUTIVE OFFICER): option exercise or conversion of 3,753; shares withheld for tax of 1,477 at $159.73; 563,783 shares after 0001677721-26-000014
- Impinj (PI) — Form 4 of Aug 17, 2026 (CHIEF EXECUTIVE OFFICER): gift of 10,000; 561,507 shares after 0001677721-26-000012
- Impinj (PI) — Form 4 of Jul 13, 2026 (CHIEF EXECUTIVE OFFICER): gift of 10,000; 571,507 shares after 0001677721-26-000011
- Impinj (PI) — Form 4 of Jun 23, 2026 (CHIEF EXECUTIVE OFFICER): option exercise or conversion of 1,223; option exercise or conversion of 1,817; 581,507 shares after 0001677721-26-000009
- Impinj (PI) — Form 4 of Jun 15, 2026 (CHIEF EXECUTIVE OFFICER): gift of 10,000; 579,664 shares after 0001677721-26-000007
- Impinj (PI) — Form 4 of May 26, 2026 (CHIEF EXECUTIVE OFFICER): other of 180,000 at $156.68; other of 180,000 at $156.68; 589,664 shares after 0001677721-26-000006
- Impinj (PI) — Form 4 of Mar 23, 2026 (CHIEF EXECUTIVE OFFICER): option exercise or conversion of 2,594; option exercise or conversion of 1,224; 589,664 shares after 0001677721-26-000005
- Impinj (PI) — Form 4 of Feb 20, 2026 (CHIEF EXECUTIVE OFFICER): grant or award of 21,734; shares withheld for tax of 7,435 at $127.92; 586,247 shares after 0001677721-26-000004
- Impinj (PI) — Form 4 of Feb 17, 2026 (CHIEF EXECUTIVE OFFICER): gift of 1,836; 571,948 shares after 0001677721-26-000002
- Impinj (PI) — Form 4 of Dec 23, 2025 (CHIEF EXECUTIVE OFFICER): option exercise or conversion of 2,594; option exercise or conversion of 1,224; 573,784 shares after 0001677721-25-000009
- Impinj (PI) — Form 4 of Nov 19, 2025 (CHIEF EXECUTIVE OFFICER): gift of 7,000; 570,367 shares after 0001677721-25-000008
- Impinj (PI) — Form 4 of Oct 30, 2025 (CHIEF EXECUTIVE OFFICER): option exercise or conversion of 23,500 at $22.40; 577,367 shares after 0001677721-25-000007
- Impinj (PI) — Form 4 of Sep 23, 2025 (CHIEF EXECUTIVE OFFICER): option exercise or conversion of 2,594; option exercise or conversion of 1,224; 553,867 shares after 0001677721-25-000006
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.