DIORIO CHRIS PH.D. — SEC Form 4 filings
SEC reporting owner CIK 1677721. 51 Form 4 filings on record with FilingPulse; latest filed 2026-09-15.
Transaction summary — filings shown
Covers the 50 most recent of 51 filings on record, filed 2024-02-20 to 2026-09-15. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 126 legs across 25 filings — 243,524 shares, $39,284,155 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 154.
- Largest priced transaction: sale of 15,461 shares @ $201.81 ($3,120,254) in IMPINJ INC, filed 2024-10-31.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| IMPINJ INC (PI) | CHIEF EXECUTIVE OFFICER, Director | 50 | — | 126 legs · 243,524 sh · $39,284,155 | 154 |
Form 4 filings — DIORIO CHRIS PH.D.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-15 | 4 | IMPINJ INC (PI) | Gift (G): 10,000 @ $0 | EDGAR |
| 2026-08-21 | 4 | IMPINJ INC (PI) | Option exercise (M): 3,753 @ $0 · Tax withholding (F): 1,477 @ $159.73 · Option exercise (M): 3,753 (derivative) @ $0 | EDGAR |
| 2026-08-18 | 4 | IMPINJ INC (PI) | Gift (G): 10,000 @ $0 | EDGAR |
| 2026-07-14 | 4 | IMPINJ INC (PI) | Gift (G): 10,000 @ $0 | EDGAR |
| 2026-06-24 | 4 | IMPINJ INC (PI) | Option exercise (M): 1,223 @ $0 · Option exercise (M): 1,817 @ $0 · Tax withholding (F): 1,197 @ $125.22 · Option exercise (M): 1,223 (derivative) @ $0 · Option exercise (M): 1,817 (derivative) @ $0 | EDGAR |
| 2026-06-16 | 4 | IMPINJ INC (PI) | Gift (G): 10,000 @ $0 | EDGAR |
| 2026-06-09 | 4 | IMPINJ INC (PI) | Other (J): 180,000 @ $156.68 · Other (J): 180,000 @ $156.68 | EDGAR |
| 2026-03-24 | 4 | IMPINJ INC (PI) | Option exercise (M): 2,594 @ $0 · Option exercise (M): 1,224 @ $0 · Option exercise (M): 1,817 @ $0 · Tax withholding (F): 2,218 @ $101.17 · Option exercise (M): 2,594 (derivative) @ $0 · Option exercise (M): 1,224 (derivative) @ $0 · +2 more | EDGAR |
| 2026-02-23 | 4 | IMPINJ INC (PI) | Grant/award (A): 21,734 @ $0 · Tax withholding (F): 7,435 @ $127.92 | EDGAR |
| 2026-02-19 | 4 | IMPINJ INC (PI) | Gift (G): 1,836 @ $0 | EDGAR |
| 2025-12-23 | 4 | IMPINJ INC (PI) | Option exercise (M): 2,594 @ $0 · Option exercise (M): 1,224 @ $0 · Option exercise (M): 1,817 @ $0 · Tax withholding (F): 2,218 @ $171.99 · Option exercise (M): 2,594 (derivative) @ $0 · Option exercise (M): 1,224 (derivative) @ $0 · +1 more | EDGAR |
| 2025-11-20 | 4 | IMPINJ INC (PI) | Gift (G): 7,000 @ $0 | EDGAR |
| 2025-10-30 | 4 | IMPINJ INC (PI) | Option exercise (M): 23,500 @ $22.40 · Option exercise (M): 23,500 (derivative) @ $0 | EDGAR |
| 2025-09-24 | 4 | IMPINJ INC (PI) | Option exercise (M): 2,594 @ $0 · Option exercise (M): 1,224 @ $0 · Option exercise (M): 1,818 @ $0 · Tax withholding (F): 2,219 @ $184.97 · Option exercise (M): 2,594 (derivative) @ $0 · Option exercise (M): 1,224 (derivative) @ $0 · +1 more | EDGAR |
| 2025-09-19 | 4 | IMPINJ INC (PI) | Option exercise (M): 47,039 @ $33.77 · Option exercise (M): 7,036 @ $22.40 · Option exercise (M): 47,039 (derivative) @ $0 · Option exercise (M): 7,036 (derivative) @ $0 | EDGAR |
| 2025-09-16 | 4 | IMPINJ INC (PI) | Gift (G): 30,000 @ $0 | EDGAR |
| 2025-09-16 | 4 | IMPINJ INC (PI) | Sale (S): 568 @ $179.26 · Sale (S): 467 @ $180.65 · Sale (S): 1,909 @ $181.84 · Sale (S): 1,260 @ $182.77 · Sale (S): 796 @ $183.47 · Sale (S): 1,821 @ $186.43 · +4 more | EDGAR |
| 2025-09-09 | 4 | IMPINJ INC (PI) | Sale (S): 1,893 @ $191.81 · Sale (S): 3,007 @ $192.58 · Sale (S): 100 @ $193.29 · Sale (S): 330 @ $190.42 · Sale (S): 199 @ $191.30 · Sale (S): 510 @ $192.84 · +6 more | EDGAR |
| 2025-09-03 | 4 | IMPINJ INC (PI) | Sale (S): 4,517 @ $180.56 · Sale (S): 483 @ $181.35 · Sale (S): 80 @ $186.37 · Sale (S): 925 @ $187.96 · Sale (S): 1,438 @ $189.49 · Sale (S): 2,557 @ $190.15 | EDGAR |
| 2025-08-29 | 4 | IMPINJ INC (PI) | Sale (S): 1,112 @ $185.93 · Sale (S): 784 @ $186.80 · Sale (S): 1,749 @ $188.14 · Sale (S): 960 @ $189.06 · Sale (S): 325 @ $190.33 · Sale (S): 70 @ $190.79 · +3 more | EDGAR |
| 2025-08-21 | 4 | IMPINJ INC (PI) | Grant/award (A): 15,015 (derivative) @ $0 | EDGAR |
| 2025-06-24 | 4 | IMPINJ INC (PI) | Option exercise (M): 2,593 @ $0 · Option exercise (M): 1,223 @ $0 · Option exercise (M): 1,817 @ $0 · Tax withholding (F): 2,218 @ $106.34 · Option exercise (M): 2,593 (derivative) @ $0 · Option exercise (M): 1,223 (derivative) @ $0 · +1 more | EDGAR |
| 2025-05-05 | 4 | IMPINJ INC (PI) | Other (J): 288,132 @ $0 | EDGAR |
| 2025-04-14 | 4 | IMPINJ INC (PI) | Option exercise (M): 3,125 @ $0 · Tax withholding (F): 1,230 @ $66.77 · Option exercise (M): 3,125 (derivative) @ $0 | EDGAR |
| 2025-03-25 | 4 | IMPINJ INC (PI) | Option exercise (M): 2,594 @ $0 · Option exercise (M): 1,224 @ $0 · Option exercise (M): 7,268 @ $0 · Tax withholding (F): 4,363 @ $90.25 · Option exercise (M): 2,594 (derivative) @ $0 · Option exercise (M): 1,224 (derivative) @ $0 · +1 more | EDGAR |
| 2025-02-24 | 4 | IMPINJ INC (PI) | Grant/award (A): 20,750 @ $0 · Sale (S): 3,031 @ $97.74 · Sale (S): 1,348 @ $98.38 · Sale (S): 3,875 @ $99.70 · Sale (S): 80 @ $100.25 | EDGAR |
| 2025-02-12 | 4 | IMPINJ INC (PI) | Option exercise (M): 10,000 @ $22.40 · Gift (G): 1,830 @ $0 · Gift (G): 366 @ $0 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2025-01-14 | 4 | IMPINJ INC (PI) | Option exercise (M): 3,125 @ $0 · Sale (S): 371 @ $140.63 · Sale (S): 470 @ $141.33 · Option exercise (M): 3,125 (derivative) @ $0 | EDGAR |
| 2024-12-26 | 4 | IMPINJ INC (PI) | Option exercise (M): 2,594 @ $0 · Option exercise (M): 1,224 @ $0 · Sale (S): 1,504 @ $146.22 · Option exercise (M): 2,594 (derivative) @ $0 · Option exercise (M): 1,224 (derivative) @ $0 | EDGAR |
| 2024-11-08 | 4 | IMPINJ INC (PI) | Option exercise (M): 25,000 @ $33.77 · Sale (S): 1,504 @ $201.54 · Sale (S): 2,786 @ $202.87 · Sale (S): 3,940 @ $203.81 · Sale (S): 1,241 @ $204.67 · Sale (S): 769 @ $206.03 · +8 more | EDGAR |
| 2024-11-04 | 4 | IMPINJ INC (PI) | Other (J): 45,000 @ $0 · Other (J): 45,000 @ $0 | EDGAR |
| 2024-10-31 | 4 | IMPINJ INC (PI) | Option exercise (M): 34,474 @ $22.40 · Sale (S): 9,789 @ $200.09 · Sale (S): 15,461 @ $201.81 · Sale (S): 9,224 @ $202.52 · Option exercise (M): 526 @ $22.40 · Sale (S): 373 @ $195.23 · +3 more | EDGAR |
| 2024-10-15 | 4 | IMPINJ INC (PI) | Option exercise (M): 3,125 @ $0 · Sale (S): 546 @ $237.39 · Sale (S): 661 @ $238.15 · Sale (S): 12 @ $239.21 · Option exercise (M): 3,125 (derivative) @ $0 | EDGAR |
| 2024-09-25 | 4 | IMPINJ INC (PI) | Option exercise (M): 2,594 @ $0 · Option exercise (M): 1,224 @ $0 · Sale (S): 1,020 @ $208.74 · Sale (S): 478 @ $209.92 · Option exercise (M): 2,594 (derivative) @ $0 · Option exercise (M): 1,224 (derivative) @ $0 | EDGAR |
| 2024-09-10 | 4 | IMPINJ INC (PI) | Other (J): 20,000 @ $0 · Other (J): 20,000 @ $0 · Gift (G): 20,000 @ $0 | EDGAR |
| 2024-08-12 | 4 | IMPINJ INC (PI) | Gift (G): 1,200 @ $0 | EDGAR |
| 2024-07-16 | 4 | IMPINJ INC (PI) | Option exercise (M): 3,125 @ $0 · Sale (S): 795 @ $175.05 · Sale (S): 296 @ $176.03 · Sale (S): 96 @ $176.69 · Option exercise (M): 3,125 (derivative) @ $0 | EDGAR |
| 2024-07-09 | 4 | IMPINJ INC (PI) | Option exercise (M): 5,000 @ $22.40 · Sale (S): 1,497 @ $161.66 · Sale (S): 2,981 @ $162.50 · Sale (S): 522 @ $163.16 · Option exercise (M): 5,000 (derivative) @ $0 | EDGAR |
| 2024-07-02 | 4 | IMPINJ INC (PI) | Option exercise (M): 5,000 @ $22.40 · Sale (S): 889 @ $151.40 · Sale (S): 392 @ $152.25 · Sale (S): 1,385 @ $153.37 · Sale (S): 409 @ $154.66 · Sale (S): 1,093 @ $155.55 · +7 more | EDGAR |
| 2024-06-25 | 4 | IMPINJ INC (PI) | Option exercise (M): 2,593 @ $0 · Option exercise (M): 1,223 @ $0 · Sale (S): 953 @ $147.18 · Sale (S): 566 @ $148.23 · Option exercise (M): 5,000 @ $22.40 · Sale (S): 2,359 @ $147.71 · +7 more | EDGAR |
| 2024-06-18 | 4 | IMPINJ INC (PI) | Option exercise (M): 1,563 @ $0 · Sale (S): 272 @ $149.56 · Sale (S): 344 @ $150.28 · Option exercise (M): 5,000 @ $22.40 · Sale (S): 1,815 @ $147.93 · Sale (S): 2,933 @ $148.79 · +7 more | EDGAR |
| 2024-06-11 | 4 | IMPINJ INC (PI) | Option exercise (M): 5,000 @ $22.40 · Sale (S): 2,669 @ $147.36 · Sale (S): 2,219 @ $148.18 · Sale (S): 112 @ $149.36 · Option exercise (M): 5,000 @ $22.40 · Sale (S): 2,119 @ $145.89 · +4 more | EDGAR |
| 2024-06-04 | 4 | IMPINJ INC (PI) | Option exercise (M): 5,000 @ $22.40 · Sale (S): 5,000 @ $163.21 · Option exercise (M): 5,000 @ $22.40 · Sale (S): 1,040 @ $162.25 · Sale (S): 1,224 @ $163.16 · Sale (S): 2,636 @ $164.16 · +8 more | EDGAR |
| 2024-04-30 | 4 | IMPINJ INC (PI) | Option exercise (M): 26,661 @ $21.81 · Sale (S): 2,883 @ $145.12 · Sale (S): 10,821 @ $145.90 · Sale (S): 4,408 @ $146.74 · Sale (S): 3,041 @ $147.81 · Sale (S): 2,053 @ $148.87 · +8 more | EDGAR |
| 2024-04-16 | 4 | IMPINJ INC (PI) | Option exercise (M): 3,125 @ $0 · Sale (S): 844 @ $118.47 · Sale (S): 400 @ $119.10 · Option exercise (M): 3,125 (derivative) @ $0 | EDGAR |
| 2024-03-26 | 4 | IMPINJ INC (PI) | Option exercise (M): 2,594 @ $0 · Option exercise (M): 4,895 @ $0 · Sale (S): 2,356 @ $127.02 · Sale (S): 597 @ $127.88 · Option exercise (M): 2,594 (derivative) @ $0 · Option exercise (M): 4,895 (derivative) @ $0 · +1 more | EDGAR |
| 2024-03-19 | 4 | IMPINJ INC (PI) | Option exercise (M): 1,562 @ $0 · Sale (S): 557 @ $123.48 · Sale (S): 55 @ $124.38 · Option exercise (M): 1,562 (derivative) @ $0 | EDGAR |
| 2024-02-28 | 4 | IMPINJ INC (PI) | Option exercise (M): 5,000 @ $21.81 · Sale (S): 5,000 @ $105 · Option exercise (M): 5,000 (derivative) @ $0 | EDGAR |
| 2024-02-26 | 4 | IMPINJ INC (PI) | Grant/award (A): 25,000 @ $0 · Grant/award (A): 16,185 @ $0 · Sale (S): 8,187 @ $100.49 · Sale (S): 7,569 @ $101.83 · Sale (S): 304 @ $102.49 · Grant/award (A): 5,000 @ $21.81 · +2 more | EDGAR |
| 2024-02-20 | 4 | IMPINJ INC (PI) | Option exercise (M): 5,000 @ $21.81 · Sale (S): 5,000 @ $105.00 · Option exercise (M): 5,000 @ $21.81 · Sale (S): 5,000 @ $105.32 · Option exercise (M): 5,000 (derivative) @ $0 · Option exercise (M): 5,000 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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