SEC Form 4 · Updated Daily

PI

— IMPINJ, INC. Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

FinancialsOwnership

Current Reporting Owners

OwnerRoleShares OwnedAs OfLast Activity
SYLEBRA CAPITAL LLCReporting Owner782,9432026-06-09S
DIORIO CHRIS PH.D.Director · Officer364,4212026-08-20F
Baker CaryOfficer89,2802026-08-20F
Gibson Daniel PatrickDirector23,0102026-05-28M
Sanghi SteveDirector13,2742026-05-28M
Rao MeeraDirector11,3222026-05-28M
PADVAL UMESHDirector6,6542026-05-28M
WASHINGTON MIRONDirector5,1542026-05-28M

Recent Filings

DateOwnerActivitySharesPriceOwned After
2026-08-20DIORIO CHRIS PH.D.Option exercise (derivative)3,753$0.0011,262
2026-08-20DIORIO CHRIS PH.D.Tax withholding1,477$159.73364,421
2026-08-20DIORIO CHRIS PH.D.Option exercise3,753$0.00365,898
2026-08-20Baker CaryOption exercise (derivative)1,739$0.005,219
2026-08-20Baker CaryTax withholding685$159.7389,280
2026-08-20Baker CaryOption exercise1,739$0.0089,965
2026-08-17DIORIO CHRIS PH.D.Gift10,000$0.00362,145
2026-08-10Baker CaryOpen-market sale1,429$185.0088,226
2026-07-13DIORIO CHRIS PH.D.Gift10,000$0.00372,145
2026-06-23DIORIO CHRIS PH.D.Option exercise (derivative)1,817$0.0012,721
2026-06-23DIORIO CHRIS PH.D.Option exercise (derivative)1,223$0.003,672
2026-06-23DIORIO CHRIS PH.D.Tax withholding1,197$125.22382,145
2026-06-23DIORIO CHRIS PH.D.Option exercise1,817$0.00383,342
2026-06-23DIORIO CHRIS PH.D.Option exercise1,223$0.00381,525
2026-06-23Baker CaryOption exercise (derivative)597$0.004,176
2026-06-23Baker CaryOption exercise (derivative)479$0.001,438
2026-06-23Baker CaryTax withholding424$125.2289,655
2026-06-23Baker CaryOption exercise597$0.0090,079
2026-06-23Baker CaryOption exercise479$0.0089,482
2026-06-15DIORIO CHRIS PH.D.Gift10,000$0.00380,302
2026-06-09SYLEBRA CAPITAL LLCOpen-market sale12,105$127.36782,943
2026-06-09SYLEBRA CAPITAL LLCOpen-market sale19,105$127.36775,943
2026-06-08SYLEBRA CAPITAL LLCOpen-market sale33,000$130.07795,048
2026-06-08SYLEBRA CAPITAL LLCOpen-market sale12,528$125.97828,048
2026-06-08SYLEBRA CAPITAL LLCOpen-market sale33,000$130.07795,048
2026-06-08SYLEBRA CAPITAL LLCOpen-market sale12,528$125.97828,048
2026-06-05SYLEBRA CAPITAL LLCOpen-market sale35,877$122.50840,576
2026-06-05SYLEBRA CAPITAL LLCOpen-market sale11,602$128.87876,453
2026-06-04SYLEBRA CAPITAL LLCOpen-market sale33,412$136.84888,055
2026-06-03SYLEBRA CAPITAL LLCOpen-market sale6,313$139.17921,467
2026-06-02SYLEBRA CAPITAL LLCOpen-market sale38,724$142.31927,780
2026-06-01SYLEBRA CAPITAL LLCOpen-market sale7,163$144.29966,504
2026-05-29SYLEBRA CAPITAL LLCOpen-market sale48,504$150.78973,667
2026-05-28Rao MeeraGrant / award (derivative)1,896$0.001,896
2026-05-28Rao MeeraOption exercise (derivative)3,114$0.000
2026-05-28Rao MeeraOption exercise3,114$0.0011,322
2026-05-28Sanghi SteveGrant / award (derivative)2,085$0.002,085
2026-05-28Sanghi SteveOption exercise (derivative)3,425$0.000
2026-05-28Sanghi SteveOption exercise3,425$0.0013,274
2026-05-28PADVAL UMESHGrant / award (derivative)1,896$0.001,896

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.