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Impinj Inc

PI
Exchange
Nasdaq
Industry
Electronic Components, NEC
SEC CIK
0001114995

In the last 90 days, Impinj Inc insiders filed 0 open-market purchases and 3 sales; 319 institutions reported holding it in 13F filings for Q2 2026, worth $4.78B in total; Soros Fund Management is the only superinvestor holding it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Impinj Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
3 filings
2 insiders, $2.05M in total
Insiders trading
2
Net value
−$2.05M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Impinj Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Impinj Inc
NameTitleLast reported holdingLast filingFilings, past year
Diorio Chris PH.D.CHIEF EXECUTIVE OFFICER356,265Sep 24, 202614
Baker CaryCHIEF FINANCIAL OFFICER81,039Sep 24, 20269
Washington MironDirector4,354Sep 16, 20263
Sylebra Capital LLCDirector775,943IndirectJun 10, 202619
Sanghi SteveDirector13,274May 29, 20261
Padval UmeshDirector6,654May 29, 20261
Rao MeeraDirector11,322May 29, 20261
Gibson Daniel PatrickDirector23,010May 29, 202613
Valdez Arthur L JrDirector–May 29, 20262
Phelan Cathal GCHIEF INNOVATION OFFICER10,431May 21, 20250
Mecklai HusseinCHIEF OPERATING OFFICER75,882Apr 14, 20250
Dossett JeffreyCHIEF REVENUE OFFICER71,886Feb 24, 20250
Sylebra Capital LtdDirector0IndirectSep 16, 20240
Sessler GregoryDirector28,257Jun 12, 20230
Van Oppen Peter HDirector24,266Jun 13, 20220
Wise TheresaDirector14,850Jun 13, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 21, 2026 (view filing)5:50 PM ETSep 21Same dayBaker CaryCHIEF FINANCIAL OFFICERSSale−8.89K$185.00−$1.65M−10.0%80.4K after10b5-1
Sep 16, 2026 (view filing)4:31 PM ETSep 151 dayWashington MironDirectorSSale−800$173.26−$138.6K−15.5%4.35K after
Aug 12, 2026 (view filing)4:50 PM ETAug 102 daysBaker CaryCHIEF FINANCIAL OFFICERSSale−1.43K$185.00−$264.4K−1.6%88.2K after10b5-1
Jun 10, 2026 (view filing)Jun 8-92 daysSylebra Capital LLCDirectorSSale−64.6K$128.47−$8.30M−7.7%775.9K afterAmended3 lots
Jun 9, 2026 (view filing)Jun 54 daysSylebra Capital LLCDirectorSSale−47.5K$124.06−$5.89M−5.3%840.6K after2 lots
Jun 8, 2026 (view filing)Jun 44 daysSylebra Capital LLCDirectorSSale−33.4K$136.84−$4.57M−3.6%888.1K after
Jun 4, 2026 (view filing)Jun 2-32 daysSylebra Capital LLCDirectorSSale−45.0K$141.87−$6.39M−4.7%921.5K after2 lots
Jun 2, 2026 (view filing)May 29-Jun 14 daysSylebra Capital LLCDirectorSSale−55.7K$149.94−$8.35M−5.4%966.5K after2 lots
May 12, 2026 (view filing)May 8-114 daysSylebra Capital LLCDirectorSSale−73.8K$153.21−$11.3M−6.7%1.02M afterAmended5 lots
May 11, 2026 (view filing)May 74 daysSylebra Capital LLCDirectorSSale−36.2K$152.73−$5.52M−3.2%1.10M afterAmended
Dec 15, 2025 (view filing)9:02 PM ETDec 11-154 daysGibson Daniel Patrick and 1 otherDirectorSSale−280.5K$150.54−$42.2M−19.9%1.13M after3 lots
Dec 10, 2025 (view filing)8:28 PM ETDec 8-102 daysGibson Daniel Patrick and 1 otherDirectorSSale−87.1K$155.64−$13.6M−5.8%1.41M after3 lots
Dec 5, 2025 (view filing)8:17 PM ETDec 3-52 daysGibson Daniel Patrick and 1 otherDirectorSSale−45.8K$167.25−$7.65M−3.0%1.50M after3 lots
Dec 3, 2025 (view filing)8:28 PM ETDec 1-22 daysGibson Daniel Patrick and 1 otherDirectorSSale−72.9K$167.71−$12.2M−4.5%1.55M after2 lots
Dec 1, 2025 (view filing)8:21 PM ETNov 26-285 daysGibson Daniel Patrick and 1 otherDirectorSSale−56.9K$172.12−$9.79M−3.4%1.62M after2 lots
Nov 26, 2025 (view filing)8:32 PM ETNov 24-252 daysGibson Daniel Patrick and 1 otherDirectorSSale−78.1K$164.33−$12.8M−4.5%1.68M after2 lots
Nov 24, 2025 (view filing)7:18 PM ETNov 20-214 daysGibson Daniel Patrick and 1 otherDirectorSSale−11.1K$155.99−$1.74M−0.6%1.75M after2 lots
Nov 14, 2025 (view filing)7:33 PM ETNov 122 daysGibson Daniel Patrick and 1 otherDirectorSSale−3.77K$156.30−$589.6K−0.2%1.76M after
Nov 13, 2025 (view filing)7:46 PM ETNov 112 daysGibson Daniel Patrick and 1 otherDirectorSSale−30.0K$155.63−$4.67M−1.7%1.77M after
Nov 12, 2025 (view filing)7:35 PM ETNov 75 daysGibson Daniel Patrick and 1 otherDirectorSSale−6.25K$162.16−$1.01M−0.3%1.80M after
Nov 10, 2025 (view filing)9:28 PM ETNov 64 daysGibson Daniel Patrick and 1 otherDirectorSSale−23.2K$171.95−$3.98M−1.3%1.80M after
Nov 7, 2025 (view filing)Nov 7Same dayWashington MironDirectorSSale−342$158.94−$54.4K−14.4%2.04K after
Nov 5, 2025 (view filing)8:24 PM ETNov 32 daysGibson Daniel Patrick and 1 otherDirectorSSale−1.51K$202.01−$305.6K−0.1%1.83M after
Sep 16, 2025 (view filing)Sep 15-161 dayDiorio Chris PH.D.CHIEF EXECUTIVE OFFICERSSale−9.10K$184.49−$1.68M−3.0%297.0K after10 lots10b5-1
Sep 12, 2025 (view filing)9:24 PM ETSep 102 daysGibson Daniel Patrick and 1 otherDirectorSSale−300.0K$196.24−$58.9M−14.1%1.83M after
Sep 9, 2025 (view filing)Sep 8-91 dayDiorio Chris PH.D.CHIEF EXECUTIVE OFFICERSSale−10.0K$193.59−$1.94M−2.9%336.1K after12 lots10b5-1
Sep 3, 2025 (view filing)Sep 2-31 dayDiorio Chris PH.D.CHIEF EXECUTIVE OFFICERSSale−10.0K$185.07−$1.85M−2.8%346.1K after6 lots10b5-1
Aug 29, 2025 (view filing)Aug 28-291 dayDiorio Chris PH.D.CHIEF EXECUTIVE OFFICERSSale−10.0K$188.41−$1.88M−2.7%356.1K after9 lots10b5-1
Feb 24, 2025 (view filing)Feb 213 daysPhelan Cathal GCHIEF INNOVATION OFFICERSSale−565$98.77−$55.8K−6.7%7.92K after3 lots
Feb 24, 2025 (view filing)Feb 213 daysMecklai HusseinCHIEF OPERATING OFFICERSSale−3.74K$98.82−$369.5K−5.0%70.3K after3 lots
Feb 24, 2025 (view filing)Feb 213 daysBaker CaryCHIEF FINANCIAL OFFICERSSale−1.55K$98.76−$153.4K−2.0%76.5K after3 lots
Feb 24, 2025 (view filing)Feb 213 daysDossett JeffreyCHIEF REVENUE OFFICERSSale−2.67K$98.81−$263.4K−3.6%71.9K after3 lots
Feb 24, 2025 (view filing)Feb 213 daysDiorio Chris PH.D.CHIEF EXECUTIVE OFFICERSSale−8.33K$98.78−$823.2K−2.3%354.1K after4 lots
Jan 14, 2025 (view filing)Jan 131 dayDossett JeffreyCHIEF REVENUE OFFICERSSale−378$141.05−$53.3K−0.6%67.1K after2 lots
Jan 14, 2025 (view filing)Jan 131 dayBaker CaryCHIEF FINANCIAL OFFICERSSale−290$140.96−$40.9K−0.4%71.8K after2 lots
Jan 14, 2025 (view filing)Jan 131 dayDiorio Chris PH.D.CHIEF EXECUTIVE OFFICERSSale−841$141.02−$118.6K−0.3%333.9K after2 lots
Jan 14, 2025 (view filing)Jan 131 dayMecklai HusseinCHIEF OPERATING OFFICERSSale−338$141.01−$47.7K−0.5%61.6K after2 lots
Dec 26, 2024 (view filing)Dec 242 daysPhelan Cathal GCHIEF INNOVATION OFFICERSSale−210$146.06−$30.7K−2.9%6.98K after2 lots
Dec 26, 2024 (view filing)Dec 242 daysMecklai HusseinCHIEF OPERATING OFFICERSSale−826$146.07−$120.7K−1.3%60.8K after2 lots
Dec 26, 2024 (view filing)Dec 242 daysDossett JeffreyCHIEF REVENUE OFFICERSSale−580$146.07−$84.7K−0.9%66.2K after2 lots
Dec 26, 2024 (view filing)Dec 242 daysDiorio Chris PH.D.CHIEF EXECUTIVE OFFICERSSale−1.50K$146.22−$219.9K−0.5%331.6K after
Dec 26, 2024 (view filing)Dec 242 daysBaker CaryCHIEF FINANCIAL OFFICERSSale−499$146.06−$72.9K−0.7%71.1K after
Nov 22, 2024 (view filing)Nov 211 dayPhelan Cathal GCHIEF INNOVATION OFFICERSSale−697$186.14−$129.7K−9.3%6.78K after
Nov 14, 2024 (view filing)8:14 PM ETNov 12-132 daysGibson Daniel Patrick and 1 otherDirectorSSale−14.5K$198.00−$2.87M−0.7%2.13M after2 lots
Nov 14, 2024 (view filing)Nov 13-141 dayDossett JeffreyCHIEF REVENUE OFFICERSSale−15.0K$187.31−$2.81M−18.7%65.3K after11 lots10b5-1
Nov 12, 2024 (view filing)8:49 AM ETNov 8-114 daysGibson Daniel Patrick and 1 otherDirectorSSale−328.6K$202.71−$66.6M−13.3%2.14M after3 lots
Nov 8, 2024 (view filing)Nov 8Same dayPhelan Cathal GCHIEF INNOVATION OFFICERSSale−11.5K$200.81−$2.32M−65.4%6.10K after3 lots
Nov 8, 2024 (view filing)Nov 6-72 daysDiorio Chris PH.D.CHIEF EXECUTIVE OFFICERSSale−25.2K$201.52−$5.07M−7.1%329.3K after9 lots
Nov 7, 2024 (view filing)8:06 PM ETNov 5-72 daysGibson Daniel Patrick and 1 otherDirectorSSale−431.2K$199.25−$85.9M−14.8%2.47M after3 lots
Nov 5, 2024 (view filing)7:41 PM ETNov 1-44 daysGibson Daniel Patrick and 1 otherDirectorSSale−118.0K$195.17−$23.0M−3.9%2.90M after3 lots