Form 4 Tracker
IMPINJ INC
PI

36 insider filings · Latest: Oct 12, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Sep 21, 2026Sep 21 9:50 PMCary BakerCHIEF FINANCIAL OFFICER
Sale
8,892$185.00$1.6M80,388(D)

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Sep 15, 2026Sep 16 8:31 PMMiron WashingtonDirector
Sale
800$173.26$138.6K4,354(D)

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Sep 15, 2026Sep 15 8:28 PMWASHINGTON MIRON
Proposed Sale
800$173.26$138.6K—

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Aug 10, 2026Aug 12 8:50 PMCary BakerCHIEF FINANCIAL OFFICER
Sale
1,429$185.00$264.4K88,226(D)

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Aug 10, 2026Aug 10 9:34 PMBaker Cary
Proposed Sale
10,321$185.00$1.9M—

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Jun 9, 2026Jun 10 9:31 PMSYLEBRA CAPITAL LLCDirector
Sale
19,105$127.36$2.4M775,943(I)

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Jun 8, 2026Jun 10 9:31 PMSYLEBRA CAPITAL LLCDirector
Sale
45,528$128.94$5.9M795,048(I)

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Jun 9, 2026Jun 10 9:17 PMSYLEBRA CAPITAL LLCDirector
Sale
12,105$127.36$1.5M782,943(I)

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Jun 8, 2026Jun 10 9:17 PMSYLEBRA CAPITAL LLCDirector
Sale
45,528$128.94$5.9M795,048(I)

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Jun 5, 2026Jun 9 10:29 PMSYLEBRA CAPITAL LLCDirector
Sale
47,479$124.06$5.9M840,576(I)

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Jun 4, 2026Jun 8 9:01 PMSYLEBRA CAPITAL LLCDirector
Sale
33,412$136.84$4.6M888,055(I)

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Jun 3, 2026Jun 4 9:04 PMSYLEBRA CAPITAL LLCDirector
Sale
6,313$139.17$878.6K921,467(I)

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Jun 2, 2026Jun 4 9:04 PMSYLEBRA CAPITAL LLCDirector
Sale
38,724$142.31$5.5M927,780(I)

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Jun 1, 2026Jun 2 10:02 PMSYLEBRA CAPITAL LLCDirector
Sale
7,163$144.29$1.0M966,504(I)

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May 29, 2026Jun 2 10:02 PMSYLEBRA CAPITAL LLCDirector
Sale
48,504$150.78$7.3M973,667(I)

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May 11, 2026May 12 10:36 PMSYLEBRA CAPITAL LLCDirector
Sale
36,832$154.46$5.7M1,022,171(I)

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May 8, 2026May 12 10:36 PMSYLEBRA CAPITAL LLCDirector
Sale
36,978$151.96$5.6M1,059,003(I)

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May 11, 2026May 12 10:27 PMSYLEBRA CAPITAL LLCDirector
Sale
36,832$154.46$5.7M1,022,171(I)

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May 8, 2026May 12 10:27 PMSYLEBRA CAPITAL LLCDirector
Sale
25,896$152.73$4.0M1,070,085(I)

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May 8, 2026May 12 10:27 PMSYLEBRA CAPITAL LLCDirector
Sale
11,082$150.16$1.7M1,059,003(I)

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Mar 23, 2026Mar 24 8:31 PMChris Ph.D. DiorioDirector, CHIEF EXECUTIVE OFFICER
Option Exercise
5,635—14,538(D)

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