PI · IMPINJ INC
← all insidersElectronic Components, NEC · Listed on Nasdaq
Open-market insider flow over 30d · 90d · 180d · 365d · filter in table · CSV · JSON
Open-market trades1
Distinct insiders1
Bought$0
Sold$264.4K
Net flow$-264.4K
Recent filings
How to read this
- Filed
- Date the Form 4 was filed with the SEC. Insiders must file within 2 business days of the trade.
- Ticker
- The issuer's stock symbol. Select it to open that company's insider-activity page.
- Issuer
- The company whose shares were traded.
- Sector
- The issuer's industry (SEC SIC classification). Select a value to filter to that sector.
- Insider
- The reporting person: an officer, director, or 10% owner. Select a name to see all of their trades.
- Role
- The insider's relationship to the company: director, officer, or 10% owner.
- Code
- SEC transaction code describing the kind of transaction. Full official definitions are under “Transaction codes” below. A dot marks an open-market trade (P/S), the highest-conviction signal.
- Side
- Direction of the trade, from the filing's Acquired (A) ▲ / Disposed of (D) ▼ field: a buy or a sell.
- 10b5-1
- Trade made under a pre-arranged Rule 10b5-1 plan: scheduled in advance, not a discretionary decision (generally lower signal).
- Shares
- Number of shares in this transaction.
- Price
- Reported price per share. Blank for grants, gifts, and other trades with no stated price.
- Value
- Transaction value = shares × price. Left blank for grants, option exercises, gifts, and conversions, which have no cash price (see Own Δ for their impact).
- Owned after
- Form 4 column “Amount of Securities Beneficially Owned Following Reported Transaction(s)”: shares the insider held (directly or indirectly) immediately after this trade.
- Own Δ
- How much this trade changed the insider's own holding versus what they held just before it (not a share of the company). +45% grew it by 45%, 2.0× more than doubled it, −100% sold the entire stake, “new” built a position from nothing.
- Co. Δ
- Change in the insider's stake as a share of the whole company from this trade (transaction shares ÷ shares outstanding). The “(now …)” figure is their resulting total stake. Based on the latest reported shares outstanding; blank when unavailable.
- D/I
- Form 4 column “Ownership Form: Direct (D) or Indirect (I)”. Indirect holdings (for example, through a trust, fund, or family member) are detailed in the filing's “Nature of Indirect Beneficial Ownership.”
- Lag
- Days from the trade date to the filing date (Form 4 is due within 2 business days).
Transaction codes
Verbatim from the SEC's General Instructions for Forms 3, 4 and 5.
- P
- Open market or private purchase of non-derivative or derivative security
- S
- Open market or private sale of non-derivative or derivative security
- A
- Grant, award or other acquisition pursuant to Rule 16b-3(d)
- D
- Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e)
- F
- Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3
- M
- Exercise or conversion of derivative security exempted pursuant to Rule 16b-3
- G
- Bona fide gift
- C
- Conversion of derivative security
- X
- Exercise of in-the-money or at-the-money derivative security
- J
- Other acquisition or disposition (describe transaction)
| Filed ↓Date the Form 4 was filed with the SEC (due within 2 business days of the trade). | Insider | Role | CodeSEC transaction code describing the kind of transaction. See “How to read this” above for the official SEC definition of each code. The dot marks an open-market trade (P/S). | SideDirection of the trade: a buy (acquired ▲) or a sell (disposed ▼). | Shares | PriceReported price per share. Blank for trades with no stated price. | ValueTransaction value = shares × price. Left blank for grants, option exercises, gifts, and conversions, which have no cash price (see Own Δ). | Owned afterShares the insider held (directly or indirectly) immediately after this trade. | Own ΔHow much this trade changed the insider's own holding versus what they held just before it (not a share of the company). +45% grew it by 45%, 2.0× more than doubled it, −100% sold the entire stake, “new” built a position from nothing. | Co. ΔChange in the insider's stake as a share of the whole company from this trade (transaction shares ÷ shares outstanding). The “(now …)” figure is their resulting total stake in the company. Based on the latest reported shares outstanding; blank when unavailable. | Link to SEC filing |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-21 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | M | ▼ sell | 3,753→ 3,753 Common Stock | — | — | 11,262 | — | — | filing |
| 2026-08-21 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | F | ▼ sell | 1,4770 | $159.73 | $235.9K | 364,421 | −0.4% | −<0.01% (now 1.2%) | filing |
| 2026-08-21 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | M | ▲ buy | 3,7530 | — | — | 365,898 | +1% | +0.01% (now 1.2%) | filing |
| 2026-08-21 | Baker Cary | Officer (CHIEF FINANCIAL OFFICER) | M | ▼ sell | 1,739→ 1,739 Common Stock | — | — | 5,219 | — | — | filing |
| 2026-08-21 | Baker Cary | Officer (CHIEF FINANCIAL OFFICER) | F | ▼ sell | 6850 | $159.73 | $109.4K | 89,280 | −0.8% | −<0.01% (now 0.29%) | filing |
| 2026-08-21 | Baker Cary | Officer (CHIEF FINANCIAL OFFICER) | M | ▲ buy | 1,7390 | — | — | 89,965 | +2% | +<0.01% (now 0.29%) | filing |
| 2026-08-18 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | G | ▼ sell10b5-1 | 10,0000 | — | — | 362,145 | −3% | −0.03% (now 1.2%) | filing |
| 2026-08-12 | Baker Cary | Officer (CHIEF FINANCIAL OFFICER) | S | ▼ sell10b5-1 | 1,4290 | $185.00 | $264.4K | 88,226 | −2% | −<0.01% (now 0.29%) | filing |
| 2026-07-14 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | G | ▼ sell10b5-1 | 10,0000 | — | — | 372,145 | −3% | −0.03% (now 1.2%) | filing |
| 2026-06-24 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | M | ▼ sell | 1,817→ 1,817 Common Stock | — | — | 12,721 | — | — | filing |
| 2026-06-24 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | M | ▼ sell | 1,223→ 1,223 Common Stock | — | — | 3,672 | — | — | filing |
| 2026-06-24 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | F | ▼ sell | 1,1970 | $125.22 | $149.9K | 382,145 | −0.3% | −<0.01% (now 1.3%) | filing |
| 2026-06-24 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | M | ▲ buy | 1,8170 | — | — | 383,342 | +0.5% | +<0.01% (now 1.3%) | filing |
| 2026-06-24 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | M | ▲ buy | 1,2230 | — | — | 381,525 | +0.3% | +<0.01% (now 1.2%) | filing |
| 2026-06-24 | Baker Cary | Officer (CHIEF FINANCIAL OFFICER) | M | ▼ sell | 597→ 597 Common Stock | — | — | 4,176 | — | — | filing |
| 2026-06-24 | Baker Cary | Officer (CHIEF FINANCIAL OFFICER) | M | ▼ sell | 479→ 479 Common Stock | — | — | 1,438 | — | — | filing |
| 2026-06-24 | Baker Cary | Officer (CHIEF FINANCIAL OFFICER) | F | ▼ sell | 4240 | $125.22 | $53.1K | 89,655 | −0.5% | −<0.01% (now 0.29%) | filing |
| 2026-06-24 | Baker Cary | Officer (CHIEF FINANCIAL OFFICER) | M | ▲ buy | 5970 | — | — | 90,079 | +0.7% | +<0.01% (now 0.29%) | filing |
| 2026-06-24 | Baker Cary | Officer (CHIEF FINANCIAL OFFICER) | M | ▲ buy | 4790 | — | — | 89,482 | +0.5% | +<0.01% (now 0.29%) | filing |
| 2026-06-16 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | G | ▼ sell10b5-1 | 10,0000 | — | — | 380,302 | −3% | −0.03% (now 1.2%) | filing |
| 2026-06-10 | SYLEBRA CAPITAL LLC | Director | S | ▼ sell | 12,1050 | $127.36 | $1.54M | 782,943 | −2% | −0.04% (now 2.6%) | filing |
| 2026-06-10 | SYLEBRA CAPITAL LLC | Director | S | ▼ sell | 33,0000 | $130.07 | $4.29M | 795,048 | −4% | −0.11% (now 2.6%) | filing |
| 2026-06-10 | SYLEBRA CAPITAL LLC | Director | S | ▼ sell | 12,5280 | $125.97 | $1.58M | 828,048 | −1% | −0.04% (now 2.7%) | filing |
| 2026-06-09 | SYLEBRA CAPITAL LLC | Director | S | ▼ sell | 35,8770 | $122.50 | $4.39M | 840,576 | −4% | −0.12% (now 2.8%) | filing |
| 2026-06-09 | SYLEBRA CAPITAL LLC | Director | S | ▼ sell | 11,6020 | $128.87 | $1.50M | 876,453 | −1% | −0.04% (now 2.9%) | filing |
| 2026-06-09 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | J | ▼ sell10b5-1 | 180,0000 | $156.68 | $28.20M | 390,302 | −32% | −0.59% (now 1.3%) | filing |
| 2026-06-09 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | J | ▲ buy10b5-1 | 180,0000 | $156.68 | $28.20M | 570,302 | +46% | +0.59% (now 1.9%) | filing |
| 2026-06-08 | SYLEBRA CAPITAL LLC | Director | S | ▼ sell | 33,4120 | $136.84 | $4.57M | 888,055 | −4% | −0.11% (now 2.9%) | filing |
| 2026-06-04 | SYLEBRA CAPITAL LLC | Director | S | ▼ sell | 6,3130 | $139.17 | $878.6K | 921,467 | −0.7% | −0.02% (now 3.0%) | filing |
| 2026-06-04 | SYLEBRA CAPITAL LLC | Director | S | ▼ sell | 38,7240 | $142.31 | $5.51M | 927,780 | −4% | −0.13% (now 3.0%) | filing |
| 2026-06-02 | SYLEBRA CAPITAL LLC | Director | S | ▼ sell | 7,1630 | $144.29 | $1.03M | 966,504 | −0.7% | −0.02% (now 3.2%) | filing |
| 2026-06-02 | SYLEBRA CAPITAL LLC | Director | S | ▼ sell | 48,5040 | $150.78 | $7.31M | 973,667 | −5% | −0.16% (now 3.2%) | filing |
| 2026-05-29 | WASHINGTON MIRON | Director | A | ▲ buy | 1,896→ 1,896 Common Stock | — | — | 1,896 | — | — | filing |
| 2026-05-29 | WASHINGTON MIRON | Director | M | ▼ sell | 3,114→ 3,114 Common Stock | — | — | 0 | — | — | filing |
| 2026-05-29 | WASHINGTON MIRON | Director | M | ▲ buy | 3,1140 | — | — | 5,154 | 2.5× | +0.01% (now 0.02%) | filing |
| 2026-05-29 | Valdez Arthur L Jr | Director | A | ▲ buy | 1,896→ 1,896 Common Stock | — | — | 1,896 | — | — | filing |
| 2026-05-29 | Rao Meera | Director | A | ▲ buy | 1,896→ 1,896 Common Stock | — | — | 1,896 | — | — | filing |
| 2026-05-29 | Rao Meera | Director | M | ▼ sell | 3,114→ 3,114 Common Stock | — | — | 0 | — | — | filing |
| 2026-05-29 | Rao Meera | Director | M | ▲ buy | 3,1140 | — | — | 11,322 | +38% | +0.01% (now 0.04%) | filing |
| 2026-05-29 | PADVAL UMESH | Director | A | ▲ buy | 1,896→ 1,896 Common Stock | — | — | 1,896 | — | — | filing |
| 2026-05-29 | PADVAL UMESH | Director | M | ▼ sell | 3,114→ 3,114 Common Stock | — | — | 0 | — | — | filing |
| 2026-05-29 | PADVAL UMESH | Director | M | ▲ buy | 3,1140 | — | — | 6,654 | +88% | +0.01% (now 0.02%) | filing |
| 2026-05-29 | Sanghi Steve | Director | A | ▲ buy | 2,085→ 2,085 Common Stock | — | — | 2,085 | — | — | filing |
| 2026-05-29 | Sanghi Steve | Director | M | ▼ sell | 3,425→ 3,425 Common Stock | — | — | 0 | — | — | filing |
| 2026-05-29 | Sanghi Steve | Director | M | ▲ buy | 3,4250 | — | — | 13,274 | +35% | +0.01% (now 0.04%) | filing |
| 2026-05-29 | Gibson Daniel Patrick | Director | A | ▲ buy | 1,896→ 1,896 Common Stock | — | — | 1,896 | — | — | filing |
| 2026-05-29 | Gibson Daniel Patrick | Director | M | ▼ sell | 3,114→ 3,114 Common Stock | — | — | 0 | — | — | filing |
| 2026-05-29 | Gibson Daniel Patrick | Director | M | ▲ buy | 3,1140 | — | — | 23,010 | +16% | +0.01% (now 0.08%) | filing |
| 2026-05-12 | SYLEBRA CAPITAL LLC | Director | S | ▲ buy | 12,7060 | $154.46 | $1.96M | 1,022,171 | +1% | +0.04% (now 3.3%) | filing |
| 2026-05-12 | SYLEBRA CAPITAL LLC | Director | S | ▲ buy | 24,1260 | $154.46 | $3.73M | 1,034,877 | +2% | +0.08% (now 3.4%) | filing |
| 2026-05-12 | SYLEBRA CAPITAL LLC | Director | S | ▲ buy | 9,5220 | $149.97 | $1.43M | 1,059,003 | +0.9% | +0.03% (now 3.5%) | filing |
| 2026-05-12 | SYLEBRA CAPITAL LLC | Director | S | ▲ buy | 1,5600 | $151.32 | $236.1K | 1,068,525 | +0.1% | +<0.01% (now 3.5%) | filing |
| 2026-05-12 | SYLEBRA CAPITAL LLC | Director | S | ▼ sell | 25,8960 | $152.73 | $3.96M | 1,070,085 | −2% | −0.08% (now 3.5%) | filing |
| 2026-05-11 | SYLEBRA CAPITAL LLC | Director | S | ▼ sell | 36,1710 | $152.73 | $5.52M | 1,132,152 | −3% | −0.12% (now 3.7%) | filing |
| 2026-03-24 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | A | ▲ buy | 24,806→ 24,806 Common Stock | — | — | 24,806 | — | — | filing |
| 2026-03-24 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | M | ▼ sell | 1,817→ 1,817 Common Stock | — | — | 14,538 | — | — | filing |
| 2026-03-24 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | M | ▼ sell | 1,224→ 1,224 Common Stock | — | — | 4,895 | — | — | filing |
| 2026-03-24 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | M | ▼ sell | 2,594→ 2,594 Common Stock | — | — | 0 | — | — | filing |
| 2026-03-24 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | F | ▼ sell | 2,2180 | $101.17 | $224.4K | 390,302 | −0.6% | −<0.01% (now 1.3%) | filing |
| 2026-03-24 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | M | ▲ buy | 1,8170 | — | — | 392,520 | +0.5% | +<0.01% (now 1.3%) | filing |
| 2026-03-24 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | M | ▲ buy | 1,2240 | — | — | 390,703 | +0.3% | +<0.01% (now 1.3%) | filing |
| 2026-03-24 | DIORIO CHRIS PH.D. | Director, Officer (CHIEF EXECUTIVE OFFICER) | M | ▲ buy | 2,5940 | — | — | 389,479 | +0.7% | +<0.01% (now 1.3%) | filing |
| 2026-03-24 | Baker Cary | Officer (CHIEF FINANCIAL OFFICER) | A | ▲ buy | 7,627→ 7,627 Common Stock | — | — | 7,627 | — | — | filing |
| 2026-03-24 | Baker Cary | Officer (CHIEF FINANCIAL OFFICER) | M | ▼ sell | 597→ 597 Common Stock | — | — | 4,773 | — | — | filing |
| 2026-03-24 | Baker Cary | Officer (CHIEF FINANCIAL OFFICER) | M | ▼ sell | 479→ 479 Common Stock | — | — | 1,917 | — | — | filing |
| 2026-03-24 | Baker Cary | Officer (CHIEF FINANCIAL OFFICER) | M | ▼ sell | 782→ 782 Common Stock | — | — | 0 | — | — | filing |
| 2026-03-24 | Baker Cary | Officer (CHIEF FINANCIAL OFFICER) | F | ▼ sell | 7320 | $101.17 | $74.1K | 89,003 | −0.8% | −<0.01% (now 0.29%) | filing |
| 2026-03-24 | Baker Cary | Officer (CHIEF FINANCIAL OFFICER) | M | ▲ buy | 5970 | — | — | 89,735 | +0.7% | +<0.01% (now 0.29%) | filing |
| 2026-03-24 | Baker Cary | Officer (CHIEF FINANCIAL OFFICER) | M | ▲ buy | 4790 | — | — | 89,138 | +0.5% | +<0.01% (now 0.29%) | filing |
| 2026-03-24 | Baker Cary | Officer (CHIEF FINANCIAL OFFICER) | M | ▲ buy | 7820 | — | — | 88,659 | +0.9% | +<0.01% (now 0.29%) | filing |
Up to 200 most recent filings · select a heading to sort, or open “How to read this” above for definitions · this company on SEC EDGAR.