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Data sources

Public disclosures only. Scores flag unusual patterns and are not evidence of wrongdoing. Not investment advice.

RH CHAIN…
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
OverviewFollow the MoneyDaily BriefLiveCongressCorporate InsidersGovernment MoneyPolitical InfluenceInstitutionsWashington NetworkFollow the PowerDisclosure ClockAI InvestigatorWatchlistConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
Data sources
SEC FORM 45h ago
HOUSE PTR5h ago
SEC 13F5h ago
ROBINHOOD CHAIN5h ago
SEC FORM 4/Grant or awardVerified data

Washington Miron reported PI

Director · IMPINJ INC · IMPINJ INC — Restricted Stock Units

Side
A
Value
—
Shares
1,896
Price
—
Executed
May 28, 2026
Disclosed
May 29, 2026
Disclosure timeline1 days from execution to publication · legal deadline 2 business days
May 28 executedMay 29, 2026 disclosed

PI · daily

Yahoo Finance chart API
▲Execution▼Disclosure●Material company filing●Other disclosed buy●Other disclosed sellUnofficial public endpoint; daily OHLCV, split-adjusted. Replace with a licensed feed for production.

Insider Score

Experimental signal
5/ 100 · ROUTINE
Methodology →
  • Transaction type0 / 20

    Grant or award — administrative, little informational value

  • Relative size+1 / 25

No reported dollar value · new position

  • Filing timing0 / 15

    Disclosed 1 business day after execution (deadline: 2)

  • Historical behavior+4 / 15

    1 prior trade recorded in this security

  • Frequency & clustering0 / 15

    No clustered activity in the dataset

  • Market events0 / 10

    No material company filing within 60 days after the trade

    • The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.

    Other disclosed activity · PI

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    27
    Sylebra Capital LlcDirector
    PIIMPINJ INC
    Open-market sale
    		SELL$9.20M
    49.7K sh
    		Nov 3, 2026Nov 5, 2026
    traded Nov 3, 2026
    		+2dSEC FORM 4

    Evidence

    27
    Sylebra Capital LlcDirector
    PIIMPINJ INC
    Open-market sale
    		SELL$7.46M
    40.5K sh
    		Nov 4, 2026Nov 5, 2026
    traded Nov 4, 2026
    		+1dSEC FORM 4

    Evidence

    9
    VL
    Valdez Arthur L JrDirector
    PIIMPINJ INC
    Option exercise
    		M—
    1,220 sh
    		Oct 20, 2026Oct 21, 2026
    traded Oct 20, 2026
    		+1dSEC FORM 4

    Evidence

    9
    VL
    Valdez Arthur L JrDirector
    PIIMPINJ INC
    Option exercise
    		M—
    1,220 sh
    		Oct 20, 2026Oct 21, 2026
    traded Oct 20, 2026
    		+1dSEC FORM 4

    Evidence

    2
    DD
    Diorio Chris Ph.D.Director, CHIEF EXECUTIVE OFFICER
    PIIMPINJ INC
    Gift · 10b5-1 plan
    		G—
    10.0K sh
    		Oct 12, 2026Oct 13, 2026
    traded Oct 12, 2026
    		+1dSEC FORM 4

    Evidence

    17
    BC
    Baker CaryCHIEF FINANCIAL OFFICER
    PIIMPINJ INC
    Option exercise
    		M—
    479 sh
    		Sep 23, 2026Sep 24, 2026
    traded Sep 23, 2026
    		+1dSEC FORM 4

    Evidence

    8
    BC
    Baker CaryCHIEF FINANCIAL OFFICER
    PIIMPINJ INC
    Tax withholding
    		F$75K
    424 sh
    		Sep 23, 2026Sep 24, 2026
    traded Sep 23, 2026
    		+1dSEC FORM 4

    Evidence

    5
    BC
    Baker CaryCHIEF FINANCIAL OFFICER
    PIIMPINJ INC
    Option exercise
    		M—
    479 sh
    		Sep 23, 2026Sep 24, 2026
    traded Sep 23, 2026
    		+1dSEC FORM 4

    Evidence

    5
    BC
    Baker CaryCHIEF FINANCIAL OFFICER
    PIIMPINJ INC
    Option exercise
    		M—
    596 sh
    		Sep 23, 2026Sep 24, 2026
    traded Sep 23, 2026
    		+1dSEC FORM 4

    Evidence

    9
    BC
    Baker CaryCHIEF FINANCIAL OFFICER
    PIIMPINJ INC
    Option exercise
    		M—
    596 sh
    		Sep 23, 2026Sep 24, 2026
    traded Sep 23, 2026
    		+1dSEC FORM 4

    Evidence

    12
    DD
    Diorio Chris Ph.D.Director, CHIEF EXECUTIVE OFFICER
    PIIMPINJ INC
    Tax withholding
    		F$212K
    1,197 sh
    		Sep 23, 2026Sep 24, 2026
    traded Sep 23, 2026
    		+1dSEC FORM 4

    Evidence

    21
    DD
    Diorio Chris Ph.D.Director, CHIEF EXECUTIVE OFFICER
    PIIMPINJ INC
    Option exercise
    		M—
    1,224 sh
    		Sep 23, 2026Sep 24, 2026
    traded Sep 23, 2026
    		+1dSEC FORM 4

    Evidence

    9
    DD
    Diorio Chris Ph.D.Director, CHIEF EXECUTIVE OFFICER
    PIIMPINJ INC
    Option exercise
    		M—
    1,817 sh
    		Sep 23, 2026Sep 24, 2026
    traded Sep 23, 2026
    		+1dSEC FORM 4

    Evidence

    9
    DD
    Diorio Chris Ph.D.Director, CHIEF EXECUTIVE OFFICER
    PIIMPINJ INC
    Option exercise
    		M—
    1,224 sh
    		Sep 23, 2026Sep 24, 2026
    traded Sep 23, 2026
    		+1dSEC FORM 4

    Evidence

    13
    DD
    Diorio Chris Ph.D.Director, CHIEF EXECUTIVE OFFICER
    PIIMPINJ INC
    Option exercise
    		M—
    1,817 sh
    		Sep 23, 2026Sep 24, 2026
    traded Sep 23, 2026
    		+1dSEC FORM 4

    Evidence

    23
    BC
    Baker CaryCHIEF FINANCIAL OFFICER
    PIIMPINJ INC
    Open-market sale · 10b5-1 plan
    		SELL$1.65M
    8,892 sh
    		Sep 21, 2026Sep 21, 2026
    traded Sep 21, 2026
    		+0dSEC FORM 4

    Evidence

    29
    WM
    Washington MironDirector
    PIIMPINJ INC
    Open-market sale
    		SELL$139K
    800 sh
    		Sep 15, 2026Sep 16, 2026
    traded Sep 15, 2026
    		+1dSEC FORM 4

    Evidence

    23
    Sylebra Capital LlcDirector
    PIIMPINJ INC
    Open-market sale
    		SELL$1.54M
    12.1K sh
    		Jun 9, 2026Jun 10, 2026
    traded Jun 9, 2026
    		+1dSEC FORM 4

    Evidence

    23
    Sylebra Capital LlcDirector
    PIIMPINJ INC
    Open-market sale
    		SELL$1.58M
    12.5K sh
    		Jun 8, 2026Jun 10, 2026
    traded Jun 8, 2026
    		+2dSEC FORM 4

    Evidence

    23
    Sylebra Capital LlcDirector
    PIIMPINJ INC
    Open-market sale
    		SELL$4.29M
    33.0K sh
    		Jun 8, 2026Jun 10, 2026
    traded Jun 8, 2026
    		+2dSEC FORM 4

    Evidence

    Evidence

    Verified data

    Read directly from the primary public document; every field below is as reported by the filer.

    Source

    Document
    SEC Form 4
    Publisher
    U.S. Securities and Exchange Commission (EDGAR)
    Document ID
    0001969449-26-000002
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    May 28, 2026
    Published
    May 29, 2026
    Ingested by INSIDER
    Nov 5, 03:56 UTC
    Last re-read
    Nov 5, 03:56 UTC

    Extracted facts

    Filer
    Washington Miron
    Role
    Director
    Transaction
    Grant or awardAs filed: “A”
    Asset
    IMPINJ INC — Restricted Stock Units
    Ticker
    PI
    Shares
    1,896
    Price per share
    $0
    Execution date (reported)
    May 28, 2026
    Owned after transaction
    1,896 shares
    Days from execution to publication
    1

    What this establishes

    Washington Miron filed this Form 4 reporting a grant or award of PI on May 28, 2026. It became public on May 29, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.

    Extraction

    Method
    Form 4 XML
    Confidence
    1.00
    Director
    Washington Mironcik:0001969449
    Issuer
    IMPINJ INCcik:0001114995

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.