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PI

IMPINJ (PI) stock: insider trades, news & valuation

Heavy selling
Close · Oct 9, 2026 $189.63 +3.4% on the day -7.8% over 12 months 52-week range $91.34 – $241.91

Share price and insider trades

PI closeInsider buyInsider sale
50100150200250NovDecJan 2026FebMarAprMayJunJulAugSepOctSold $6,400 on 2025-12-09 · Daniel Patrick GibsonSold $138,608 on 2026-09-15 · Miron WashingtonSold $221,108 on 2025-12-05 · Daniel Patrick GibsonSold $264,365 on 2026-08-10 · Cary BakerSold $305,641 on 2025-11-03 · Daniel Patrick GibsonSold $400,836 on 2025-12-08 · Daniel Patrick GibsonSold $472,435 on 2025-11-21 · Sylebra Capital LlcSold $508,589 on 2025-12-04 · Daniel Patrick GibsonSold $589,564 on 2025-11-12 · Daniel Patrick GibsonSold $878,580 on 2026-06-03 · Sylebra Capital LlcSold $1,033,549 on 2026-06-01 · Sylebra Capital LlcSold $1,067,209 on 2025-11-07 · Miron Washington, Sylebra Capital LlcSold $1,263,222 on 2025-11-20 · Sylebra Capital LlcSold $1,645,020 on 2026-09-21 · Cary BakerSold $3,848,908 on 2025-11-28 · Sylebra Capital LlcSold $3,974,906 on 2026-06-09 · Sylebra Capital LlcSold $3,981,846 on 2025-11-06 · Daniel Patrick GibsonSold $4,572,098 on 2026-06-04 · Sylebra Capital LlcSold $4,668,900 on 2025-11-11 · Sylebra Capital LlcSold $5,093,788 on 2025-11-24 · Sylebra Capital LlcSold $5,187,307 on 2025-12-01 · Sylebra Capital LlcSold $5,510,812 on 2026-06-02 · Sylebra Capital LlcSold $5,890,082 on 2026-06-05 · Sylebra Capital LlcSold $5,936,721 on 2025-11-26 · Sylebra Capital LlcSold $6,923,891 on 2025-12-03 · Daniel Patrick GibsonSold $7,044,463 on 2025-12-02 · Sylebra Capital LlcSold $7,313,433 on 2026-05-29 · Sylebra Capital LlcSold $7,415,013 on 2025-12-12 · Sylebra Capital LlcSold $7,734,030 on 2025-11-25 · Sylebra Capital LlcSold $11,048,794 on 2026-05-07 · Sylebra Capital LlcSold $11,238,339 on 2026-05-08 · Sylebra Capital LlcSold $11,378,141 on 2026-05-11 · Sylebra Capital LlcSold $11,740,924 on 2026-06-08 · Sylebra Capital LlcSold $13,155,076 on 2025-12-10 · Daniel Patrick GibsonSold $14,575,390 on 2025-12-11 · Sylebra Capital LlcSold $20,242,816 on 2025-12-15 · Sylebra Capital Llc
Bought, 12 months$0
Sold, 12 months$187M
Insiders buying0
Insiders selling4

IMPINJ insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 4 sold $187M of PI stock on the open market.

PI insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q4 2025: $111M sold (23 trades)Q4 2025Q1 2026Q2 2026: $74.6M sold (25 trades)Q2 2026Q3 2026: $2.0M sold (3 trades)Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026—0$2.0M3
Q2 2026—0$74.6M25
Q1 2026—0—0
Q4 2025—0$111M23

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day0.8×Last 5 sessions
Insiders' paper profit—On all tracked purchases —

Summary

Over the past 12 months, 0 IMPINJ INC insiders reported open-market purchases totaling $0, while 4 insiders reported sales totaling $187M. 2 of 51 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Sep 21SEC Cary BakerCFO Sell Plan 8,89280,388 held (−10%) $185.00 $1.6M +2.5% —
Sep 16SEC Miron WashingtonDirector Sell 8004,354 held (−16%) $173.26 $139K +9.4% —
Aug 12SEC Cary BakerCFO Sell Plan 1,42988,226 held (−2%) $185.00 $264K +2.5% —
Jun 10SEC Sylebra Capital LlcDirector Sell 33,000795,048 held (−4%) $130.07 $4.3M +45.8% —
Jun 10SEC Sylebra Capital LlcDirector Sell 33,000795,048 held (−4%) $130.07 $4.3M +45.8% —
Jun 10SEC Sylebra Capital LlcDirector Sell 19,105775,943 held (−2%) $127.36 $2.4M +48.9% —
Jun 10SEC Sylebra Capital LlcDirector Sell 12,528828,048 held (−1%) $125.97 $1.6M +50.5% —
Jun 10SEC Sylebra Capital LlcDirector Sell 12,528828,048 held (−1%) $125.97 $1.6M +50.5% —
Jun 10SEC Sylebra Capital LlcDirector Sell 12,105782,943 held (−2%) $127.36 $1.5M +48.9% —
Jun 9SEC Sylebra Capital LlcDirector Sell 35,877840,576 held (−4%) $122.50 $4.4M +54.8% —
Jun 9SEC Sylebra Capital LlcDirector Sell 11,602876,453 held (−1%) $128.87 $1.5M +47.1% —
Jun 8SEC Sylebra Capital LlcDirector Sell 33,412888,055 held (−4%) $136.84 $4.6M +38.6% —
Jun 4SEC Sylebra Capital LlcDirector Sell 38,724927,780 held (−4%) $142.31 $5.5M +33.3% —
Jun 4SEC Sylebra Capital LlcDirector Sell 6,313921,467 held (−1%) $139.17 $879K +36.3% —
Jun 2SEC Sylebra Capital LlcDirector Sell 48,504973,667 held (−5%) $150.78 $7.3M +25.8% —
Jun 2SEC Sylebra Capital LlcDirector Sell 7,163966,504 held (−1%) $144.29 $1.0M +31.4% —
May 12SEC Sylebra Capital LlcDirector Sell 25,8961,070,085 held (−2%) $152.73 $4.0M +24.2% —
May 12SEC Sylebra Capital LlcDirector Sell 25,8961,070,085 held (−2%) $152.73 $4.0M +24.2% —
May 12SEC Sylebra Capital LlcDirector Sell 24,1261,034,877 held (−2%) $154.46 $3.7M +22.8% —
May 12SEC Sylebra Capital LlcDirector Sell 24,1261,034,877 held (−2%) $154.46 $3.7M +22.8% —
May 12SEC Sylebra Capital LlcDirector Sell 12,7061,022,171 held (−1%) $154.46 $2.0M +22.8% —
May 12SEC Sylebra Capital LlcDirector Sell 12,7061,022,171 held (−1%) $154.46 $2.0M +22.8% —
May 12SEC Sylebra Capital LlcDirector Sell 9,5221,059,003 held (−1%) $149.97 $1.4M +26.4% —
May 12SEC Sylebra Capital LlcDirector Sell 9,5221,059,003 held (−1%) $149.97 $1.4M +26.4% —
May 12SEC Sylebra Capital LlcDirector Sell 1,5601,068,525 held (−0%) $151.32 $236K +25.3% —
May 12SEC Sylebra Capital LlcDirector Sell 1,5601,068,525 held (−0%) $151.32 $236K +25.3% —
May 11SEC Sylebra Capital LlcDirector Sell 36,1711,095,981 held (−3%) $152.73 $5.5M +24.2% —
May 11SEC Sylebra Capital LlcDirector Sell 36,1711,132,152 held (−3%) $152.73 $5.5M +24.2% —
Dec 15SEC Sylebra Capital LlcSee Footnote Sell 134,6291,132,152 held (−11%) $150.36 $20.2M +26.1% —
Dec 15SEC Sylebra Capital LlcSee Footnote Sell 95,3451,317,354 held (−7%) $152.87 $14.6M +24.0% —
Dec 15SEC Sylebra Capital LlcSee Footnote Sell 50,5731,266,781 held (−4%) $146.62 $7.4M +29.3% —
Dec 10SEC Daniel Patrick GibsonDirector Sell 84,6041,412,699 held (−6%) $155.49 $13.2M +22.0% —
Dec 10SEC Daniel Patrick GibsonDirector Sell 2,4941,497,343 held (−0%) $160.72 $401K +18.0% —
Dec 10SEC Daniel Patrick GibsonDirector Sell 401,497,303 held (−0%) $160.01 $6K +18.5% —
Dec 5SEC Daniel Patrick GibsonDirector Sell 41,2211,504,377 held (−3%) $167.97 $6.9M +12.9% —
Dec 5SEC Daniel Patrick GibsonDirector Sell 3,1671,501,210 held (−0%) $160.59 $509K +18.1% —
Dec 5SEC Daniel Patrick GibsonDirector Sell 1,3731,499,837 held (−0%) $161.04 $221K +17.8% —
Dec 3SEC Sylebra Capital LlcSee Footnote Sell 41,8741,545,598 held (−3%) $168.23 $7.0M +12.7% —
Dec 3SEC Sylebra Capital LlcSee Footnote Sell 31,0581,587,472 held (−2%) $167.02 $5.2M +13.5% —
Dec 1SEC Sylebra Capital LlcSee Footnote Sell 34,5561,640,827 held (−2%) $171.80 $5.9M +10.4% —
Dec 1SEC Sylebra Capital LlcSee Footnote Sell 22,2971,618,530 held (−1%) $172.62 $3.8M +9.9% —
Nov 26SEC Sylebra Capital LlcSee Footnote Sell 46,1101,675,383 held (−3%) $167.73 $7.7M +13.1% —
Nov 26SEC Sylebra Capital LlcSee Footnote Sell 31,9521,721,493 held (−2%) $159.42 $5.1M +18.9% —
Nov 24SEC Sylebra Capital LlcSee Footnotes Sell 8,0811,756,491 held (−0%) $156.32 $1.3M +21.3% —
Nov 24SEC Sylebra Capital LlcSee Footnotes Sell 3,0461,753,445 held (−0%) $155.10 $472K +22.3% —
Nov 14SEC Daniel Patrick GibsonDirector Sell 3,7721,764,572 held (−0%) $156.30 $590K +21.3% —
Nov 13SEC Sylebra Capital LlcSee Footnotes Sell 30,0001,768,344 held (−2%) $155.63 $4.7M +21.8% —
Nov 12SEC Sylebra Capital LlcSee Footnotes Sell 6,2461,798,344 held (−0%) $162.16 $1.0M +16.9% —
Nov 10SEC Daniel Patrick GibsonDirector Sell 23,1571,804,590 held (−1%) $171.95 $4.0M +10.3% —
Nov 7SEC Miron WashingtonDirector Sell 3422,040 held (−14%) $158.94 $54K +19.3% —
Nov 5SEC Daniel Patrick GibsonDirector Sell 1,5131,827,747 held (−0%) $202.01 $306K -6.1% —

Insiders at IMPINJ INC

InsiderBoughtSoldLast filingScore
Sylebra Capital LlcDirector — $159M Jun 10, 2026 —
Daniel Patrick GibsonDirector — $26.1M Dec 10, 2025 —
Cary BakerCFO — $1.9M Sep 21, 2026 —
Miron WashingtonDirector — $193K Sep 16, 2026 —

PI stock: common questions

Are IMPINJ INC insiders buying PI stock?

In the past 12 months, 0 insiders reported open-market purchases of PI worth $0.

Are IMPINJ INC insiders selling PI stock?

4 insiders reported sales worth $187M over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is PI's 52-week range?

Over the past year PI has traded between $91.34 and $241.91. It last closed at $189.63 on Oct 9, 2026.