IMPINJ INC (PI)
$170.08+$1.99 (+1.18%) Today
Latest PI Insider Trades
Cary Baker - Officer
Cary Baker - OfficerImpinj Inc operates a platform that enables wireless connectivity to everyday items by delivering each item's identity, location, and authenticity to business and consumer applications. Its platform includes endpoint integrated circuits (ICs) product, a miniature radios-on-a-chip, which attach to and identify their host items; and connectivity layer that comprises readers, gateways, and reader ICs to wirelessly identify, locate, authenticate, and engage endpoints via RAIN, as well as provide power to and communicate bidirectionally with endpoint ICs. Geographically, the company has a business presence in the Americas, Asia Pacific, Europe, Middle East and Africa, of which key revenue is derived from the operations in the Asia Pacific region.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 11 | 240,657 | $32.87M |
| Option exercise | 12 | 19,216 | |
| Tax withholding / forfeiture | 4 | 3,783 | |
| Bona-fide gift | 3 | 30,000 | |
| Other acquisition / disposition | 2 | 360,000 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
87 Form 4 filings on record, the earliest from Oct 15, 2024, newest first. Filing history page 3 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Cathal G. Phelan - Officer | Option exercise | Common Stock | 1,375 | $0.00 | - | |
| Cathal G. Phelan - Officer | Tax withholding / forfeiture | Common Stock | 492 | $123.33 | $61K | |
| Cathal G. Phelan - Officer | Option exercise | Restricted Stock Units | 1,375 | $0.00 | - | |
 Chris Ph.D. Diorio - Officer | Other | Common Stock | 288,132 | $0.00 | - | |
| Hussein Mecklai - Officer | Option exercise | Common Stock | 1,094 | $0.00 | - | |
| Hussein Mecklai - Officer | Tax withholding / forfeiture | Common Stock | 431 | $66.77 | $29K | |
| Hussein Mecklai - Officer | Option exercise | Restricted Stock Units | 1,094 | $0.00 | - | |
| Chris Ph.D. Diorio - Officer | Option exercise | Common Stock | 3,125 | $0.00 | - | |
| Chris Ph.D. Diorio - Officer | Tax withholding / forfeiture | Common Stock | 1,230 | $66.77 | $82K | |
| Chris Ph.D. Diorio - Officer | Option exercise | Restricted Stock Units | 3,125 | $0.00 | - | |
| Cary Baker - Officer | Option exercise | Common Stock | 938 | $0.00 | - | |
| Cary Baker - Officer | Tax withholding / forfeiture | Common Stock | 370 | $66.77 | $25K | |
| Cary Baker - Officer | Option exercise | Restricted Stock Units | 938 | $0.00 | - | |
 Jeffrey Dossett - Officer | Option exercise | Common Stock | 937 | $0.00 | - | |
| Jeffrey Dossett - Officer | Option exercise | Common Stock | 529 | $0.00 | - | |
| Jeffrey Dossett - Officer | Open-market sale | Common Stock | 575 | $146.06 | $84K | |
| Jeffrey Dossett - Officer | Open-market sale | Common Stock | 5 | $146.73 | $734 | |
| Jeffrey Dossett - Officer | Option exercise | Restricted Stock Units | 937 | $0.00 | - | |
| Jeffrey Dossett - Officer | Option exercise | Restricted Stock Units | 529 | $0.00 | - | |
| Cathal G. Phelan - Officer | Option exercise | Common Stock | 413 | $0.00 | - | |
| Cathal G. Phelan - Officer | Open-market sale | Common Stock | 37 | $145.40 | $5K | |
| Cathal G. Phelan - Officer | Open-market sale | Common Stock | 173 | $146.20 | $25K | |
| Cathal G. Phelan - Officer | Option exercise | Restricted Stock Units | 413 | $0.00 | - | |
| Cary Baker - Officer | Option exercise | Common Stock | 781 | $0.00 | - | |
| Cary Baker - Officer | Option exercise | Common Stock | 479 | $0.00 | - | |
| Cary Baker - Officer | Open-market sale | Common Stock | 499 | $146.06 | $73K | |
| Cary Baker - Officer | Option exercise | Restricted Stock Units | 781 | $0.00 | - | |
| Cary Baker - Officer | Option exercise | Restricted Stock Units | 479 | $0.00 | - | |
| Chris Ph.D. Diorio - Officer | Option exercise | Common Stock | 2,594 | $0.00 | - | |
| Chris Ph.D. Diorio - Officer | Option exercise | Common Stock | 1,224 | $0.00 | - | |
| Chris Ph.D. Diorio - Officer | Open-market sale | Common Stock | 1,504 | $146.22 | $220K | |
| Chris Ph.D. Diorio - Officer | Option exercise | Restricted Stock Units | 2,594 | $0.00 | - | |
| Chris Ph.D. Diorio - Officer | Option exercise | Restricted Stock Units | 1,224 | $0.00 | - | |
| Hussein Mecklai - Officer | Option exercise | Common Stock | 1,562 | $0.00 | - | |
| Hussein Mecklai - Officer | Option exercise | Common Stock | 529 | $0.00 | - | |
| Hussein Mecklai - Officer | Open-market sale | Common Stock | 816 | $146.06 | $119K | |
| Hussein Mecklai - Officer | Open-market sale | Common Stock | 10 | $146.73 | $1K | |
| Hussein Mecklai - Officer | Option exercise | Restricted Stock Units | 1,562 | $0.00 | - | |
| Hussein Mecklai - Officer | Option exercise | Restricted Stock Units | 529 | $0.00 | - | |
| Cathal G. Phelan - Officer | Option exercise | Common Stock | 1,375 | $0.00 | - | |
| Cathal G. Phelan - Officer | Open-market sale | Common Stock | 697 | $186.14 | $130K | |
| Cathal G. Phelan - Officer | Option exercise | Restricted Stock Units | 1,375 | $0.00 | - | |
| Jeffrey Dossett - Officer | Option exercise | Common Stock | 7,500 | $17.33 | $130K | |
| Jeffrey Dossett - Officer | Open-market sale | Common Stock | 1,366 | $191.88 | $262K | |
| Jeffrey Dossett - Officer | Open-market sale | Common Stock | 2,281 | $192.73 | $440K | |
| Jeffrey Dossett - Officer | Open-market sale | Common Stock | 1,562 | $193.87 | $303K | |
| Jeffrey Dossett - Officer | Open-market sale | Common Stock | 2,087 | $194.69 | $406K | |
| Jeffrey Dossett - Officer | Open-market sale | Common Stock | 204 | $195.83 | $40K | |
| Jeffrey Dossett - Officer | Option exercise | Common Stock | 7,500 | $17.33 | $130K | |
| Jeffrey Dossett - Officer | Open-market sale | Common Stock | 1,192 | $179.29 | $214K | |
| Jeffrey Dossett - Officer | Open-market sale | Common Stock | 1,698 | $180.08 | $306K | |
| Jeffrey Dossett - Officer | Open-market sale | Common Stock | 2,298 | $180.99 | $416K | |
| Jeffrey Dossett - Officer | Open-market sale | Common Stock | 905 | $181.99 | $165K | |
| Jeffrey Dossett - Officer | Open-market sale | Common Stock | 651 | $183.02 | $119K | |
| Jeffrey Dossett - Officer | Open-market sale | Common Stock | 756 | $184.55 | $140K | |
| Jeffrey Dossett - Officer | Option exercise | Stock Option (right to buy) | 7,500 | $0.00 | - | |
| Jeffrey Dossett - Officer | Option exercise | Stock Option (right to buy) | 7,500 | $0.00 | - | |
| SYLEBRA CAPITAL LLC | Open-market sale | Common Stock | 11,926 | $198.56 | $2.37M | |
| SYLEBRA CAPITAL LLC | Open-market sale | Common Stock | 2,550 | $195.41 | $498K | |
| SYLEBRA CAPITAL LLC - 10% Owner | Open-market sale | Common Stock | 25,000 | $202.14 | $5.05M | |
| SYLEBRA CAPITAL LLC - 10% Owner | Open-market sale | Common Stock | 225,000 | $203.10 | $45.70M | |
| SYLEBRA CAPITAL LLC - 10% Owner | Open-market sale | Common Stock | 78,616 | $201.79 | $15.86M | |
| Chris Ph.D. Diorio - Officer | Option exercise | Common Stock | 25,000 | $33.77 | $844K | |
| Chris Ph.D. Diorio - Officer | Open-market sale | Common Stock | 1,504 | $201.54 | $303K | |
| Chris Ph.D. Diorio - Officer | Open-market sale | Common Stock | 2,786 | $202.87 | $565K | |
| Chris Ph.D. Diorio - Officer | Open-market sale | Common Stock | 3,940 | $203.81 | $803K | |
| Chris Ph.D. Diorio - Officer | Open-market sale | Common Stock | 1,241 | $204.67 | $254K | |
| Chris Ph.D. Diorio - Officer | Open-market sale | Common Stock | 769 | $206.03 | $158K | |
| Chris Ph.D. Diorio - Officer | Open-market sale | Common Stock | 2,350 | $207.13 | $487K | |
| Chris Ph.D. Diorio - Officer | Gift | Common Stock | 35,000 | $0.00 | - | |
| Chris Ph.D. Diorio - Officer | Option exercise | Common Stock | 25,000 | $33.77 | $844K | |
| Chris Ph.D. Diorio - Officer | Open-market sale | Common Stock | 1,271 | $197.62 | $251K | |
| Chris Ph.D. Diorio - Officer | Open-market sale | Common Stock | 8,953 | $198.87 | $1.78M | |
| Chris Ph.D. Diorio - Officer | Open-market sale | Common Stock | 2,366 | $199.52 | $472K | |
| Chris Ph.D. Diorio - Officer | Option exercise | Stock Option (right to buy) | 25,000 | $0.00 | - | |
| Chris Ph.D. Diorio - Officer | Option exercise | Stock Option (right to buy) | 25,000 | $0.00 | - | |
| Cathal G. Phelan - Officer | Open-market sale | Common Stock | 7,569 | $200.28 | $1.52M | |
| Cathal G. Phelan - Officer | Open-market sale | Common Stock | 2,968 | $201.64 | $598K | |
| Cathal G. Phelan - Officer | Open-market sale | Common Stock | 1,012 | $202.36 | $205K | |
| SYLEBRA CAPITAL LLC - 10% Owner | Open-market sale | Common Stock | 206,153 | $196.58 | $40.53M | |
| SYLEBRA CAPITAL LLC - 10% Owner | Open-market sale | Common Stock | 89,809 | $201.78 | $18.12M | |
| SYLEBRA CAPITAL LLC - 10% Owner | Open-market sale | Common Stock | 135,191 | $201.63 | $27.26M | |
| SYLEBRA CAPITAL LLC - 10% Owner | Open-market sale | Common Stock | 22,373 | $195.00 | $4.36M | |
| SYLEBRA CAPITAL LLC - 10% Owner | Open-market sale | Common Stock | 51,823 | $195.02 | $10.11M | |
| SYLEBRA CAPITAL LLC - 10% Owner | Open-market sale | Common Stock | 43,847 | $195.43 | $8.57M | |
| Chris Ph.D. Diorio - Officer | Other | Common Stock | 45,000 | $0.00 | - | |
| Chris Ph.D. Diorio - Officer | Other | Common Stock | 45,000 | $0.00 | - | |
| SYLEBRA CAPITAL LLC - 10% Owner | Open-market sale | Common Stock | 143,773 | $201.95 | $29.03M | |
| SYLEBRA CAPITAL LLC - 10% Owner | Open-market sale | Common Stock | 32,031 | $195.36 | $6.26M | |
| Chris Ph.D. Diorio - Officer | Option exercise | Common Stock | 34,474 | $22.40 | $772K | |
| Chris Ph.D. Diorio - Officer | Open-market sale | Common Stock | 9,789 | $200.09 | $1.96M | |
| Chris Ph.D. Diorio - Officer | Open-market sale | Common Stock | 15,461 | $201.81 | $3.12M | |
| Chris Ph.D. Diorio - Officer | Open-market sale | Common Stock | 9,224 | $202.52 | $1.87M | |
| Chris Ph.D. Diorio - Officer | Option exercise | Common Stock | 526 | $22.40 | $12K | |
| Chris Ph.D. Diorio - Officer | Open-market sale | Common Stock | 373 | $195.23 | $73K | |
| Chris Ph.D. Diorio - Officer | Open-market sale | Common Stock | 153 | $196.20 | $30K | |
| Chris Ph.D. Diorio - Officer | Option exercise | Stock Option (right to buy) | 34,474 | $0.00 | - | |
| Chris Ph.D. Diorio - Officer | Option exercise | Stock Option (right to buy) | 526 | $0.00 | - | |
| Hussein Mecklai - Officer | Option exercise | Common Stock | 7,040 | $17.75 | $125K | |
| Hussein Mecklai - Officer | Option exercise | Common Stock | 459 | $36.20 | $17K | |
| Hussein Mecklai - Officer | Option exercise | Common Stock | 1,688 | $26.84 | $45K | |
| Hussein Mecklai - Officer | Option exercise | Common Stock | 813 | $26.62 | $22K | |
| Hussein Mecklai - Officer | Open-market sale | Common Stock | 6,775 | $204.46 | $1.39M | |
| Hussein Mecklai - Officer | Open-market sale | Common Stock | 3,225 | $205.37 | $662K | |
| Hussein Mecklai - Officer | Gift | Common Stock | 476 | $0.00 | - | |
| Hussein Mecklai - Officer | Option exercise | Stock Option (right to buy) | 7,040 | $0.00 | - | |
| Hussein Mecklai - Officer | Option exercise | Stock Option (right to buy) | 459 | $0.00 | - | |
| Hussein Mecklai - Officer | Option exercise | Stock Option (right to buy) | 1,688 | $0.00 | - | |
| Hussein Mecklai - Officer | Option exercise | Stock Option (right to buy) | 813 | $0.00 | - | |
| Cary Baker - Officer | Option exercise | Common Stock | 13,697 | $33.73 | $462K | |
| Cary Baker - Officer | Option exercise | Common Stock | 1,303 | $26.84 | $35K | |
| Cary Baker - Officer | Open-market sale | Common Stock | 570 | $200.58 | $114K | |
| Cary Baker - Officer | Open-market sale | Common Stock | 576 | $201.40 | $116K | |
| Cary Baker - Officer | Open-market sale | Common Stock | 830 | $202.38 | $168K | |
| Cary Baker - Officer | Open-market sale | Common Stock | 1,294 | $203.41 | $263K | |
| Cary Baker - Officer | Open-market sale | Common Stock | 4,970 | $204.37 | $1.02M | |
| Cary Baker - Officer | Open-market sale | Common Stock | 2,510 | $205.27 | $515K | |
| Cary Baker - Officer | Open-market sale | Common Stock | 2,089 | $206.43 | $431K | |
| Cary Baker - Officer | Open-market sale | Common Stock | 1,065 | $207.56 | $221K | |
| Cary Baker - Officer | Open-market sale | Common Stock | 1,096 | $208.68 | $229K | |
| Cary Baker - Officer | Gift | Common Stock | 750 | $0.00 | - | |
| Cary Baker - Officer | Option exercise | Stock Option (right to buy) | 13,697 | $0.00 | - | |
| Cary Baker - Officer | Option exercise | Stock Option (right to buy) | 1,303 | $0.00 | - | |
| Chris Ph.D. Diorio - Officer | Option exercise | Common Stock | 3,125 | $0.00 | - | |
| Chris Ph.D. Diorio - Officer | Open-market sale | Common Stock | 546 | $237.39 | $130K | |
| Chris Ph.D. Diorio - Officer | Open-market sale | Common Stock | 661 | $238.15 | $157K | |
| Chris Ph.D. Diorio - Officer | Open-market sale | Common Stock | 12 | $239.21 | $3K | |
| Chris Ph.D. Diorio - Officer | Option exercise | Restricted Stock Units | 3,125 | $0.00 | - | |
| Hussein Mecklai - Officer | Option exercise | Common Stock | 1,094 | $0.00 | - | |
| Hussein Mecklai - Officer | Open-market sale | Common Stock | 223 | $237.37 | $53K | |
| Hussein Mecklai - Officer | Open-market sale | Common Stock | 204 | $238.17 | $49K | |
| Hussein Mecklai - Officer | Option exercise | Restricted Stock Units | 1,094 | $0.00 | - | |
| Jeffrey Dossett - Officer | Option exercise | Common Stock | 1,250 | $0.00 | - | |
| Jeffrey Dossett - Officer | Open-market sale | Common Stock | 250 | $237.48 | $59K | |
| Jeffrey Dossett - Officer | Open-market sale | Common Stock | 226 | $238.18 | $54K | |
| Jeffrey Dossett - Officer | Open-market sale | Common Stock | 12 | $239.00 | $3K | |
| Jeffrey Dossett - Officer | Option exercise | Restricted Stock Units | 1,250 | $0.00 | - | |
| Cary Baker - Officer | Option exercise | Common Stock | 938 | $0.00 | - | |
| Cary Baker - Officer | Open-market sale | Common Stock | 189 | $237.50 | $45K | |
| Cary Baker - Officer | Open-market sale | Common Stock | 174 | $238.16 | $41K | |
| Cary Baker - Officer | Open-market sale | Common Stock | 3 | $239.36 | $718 | |
| Cary Baker - Officer | Option exercise | Restricted Stock Units | 938 | $0.00 | - |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Baker Cary | Officer | 10,321 | $1.91M | View on EDGAR |
IMPINJ INC (PI) had 14 insider filings in the last 90 days, with the most recent on 2026-08-21. The full record for PI runs to 87 Form 4 filings, the earliest from 2024-10-15. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of PI were filed in the last 90 days.
11 insider sales of PI were filed in the last 90 days, totaling $32.87M.
This page tracks PI Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
Create a free InsiderAlpha account and press Watch on this page to add PI to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
