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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 456m ago
HOUSE PTR56m ago
SEC 13F56m ago
ROBINHOOD CHAIN55m ago
SEC FORM 4/Grant or awardVerified data

Chou William reported PASG

Director, PRESIDENT AND CEO · Passage BIO, Inc. · Passage BIO, Inc. — Restricted Stock Unit

Side
A
Value
—
Shares
20.0K
Price
—
Executed
Jan 15, 2025
Disclosed
Dec 29, 2025
Disclosure timeline348 days from execution to publication · legal deadline 2 business days
Jan 15 executedDec 29, 2025 disclosed

PASG · 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
24/ 100 · ROUTINE
Methodology →
  • Transaction type0 / 20

    Grant or award — administrative, little informational value

  • Relative size+1 / 25

No reported dollar value · new position

  • Filing timing+15 / 15

    Disclosed 248 business days after execution (deadline: 2)

  • Historical behavior+8 / 15

    First recorded trade by this actor 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 · PASG

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    9
    SD
    Sondhi DolanDirector
    PASGPassage BIO, Inc.
    Grant or award
    		A—
    10.5K sh
    		May 19, 2026May 21, 2026
    traded May 19, 2026
    		+2dSEC FORM 4

    Evidence

    5
    BK
    Borthwick KathleenCFO
    PASGPassage BIO, Inc.
    Grant or award
    		A—
    15.6K sh
    		Mar 16, 2026Mar 18, 2026
    traded Mar 16, 2026
    		+2dSEC FORM 4

    Evidence

    5
    CW
    Chou WilliamDirector, PRESIDENT AND CEO
    PASGPassage BIO, Inc.
    Grant or award
    		A—
    58.0K sh
    		Mar 16, 2026Mar 18, 2026
    traded Mar 16, 2026
    		+2dSEC FORM 4

    Evidence

    21
    CW
    Chou WilliamDirector, PRESIDENT AND CEO
    PASGPassage BIO, Inc.
    Option exercise
    		M—
    10.0K sh
    		Jan 8, 2026Jan 12, 2026
    traded Jan 8, 2026
    		+4dSEC FORM 4

    Evidence

    9
    CW
    Chou WilliamDirector, PRESIDENT AND CEO
    PASGPassage BIO, Inc.
    Option exercise
    		M—
    10.0K sh
    		Jan 8, 2026Jan 12, 2026
    traded Jan 8, 2026
    		+4dSEC FORM 4

    Evidence

    9
    BK
    Borthwick KathleenCFO
    PASGPassage BIO, Inc.
    Option exercise
    		M—
    5,000 sh
    		Jan 8, 2026Jan 12, 2026
    traded Jan 8, 2026
    		+4dSEC FORM 4

    Evidence

    37
    CW
    Chou WilliamDirector, PRESIDENT AND CEO
    PASGPassage BIO, Inc.
    Open-market sale
    		SELL$75K
    4,076 sh
    		Jan 8, 2026Jan 12, 2026
    traded Jan 8, 2026
    		+4dSEC FORM 4

    Evidence

    21
    BK
    Borthwick KathleenCFO
    PASGPassage BIO, Inc.
    Option exercise
    		M—
    5,000 sh
    		Jan 8, 2026Jan 12, 2026
    traded Jan 8, 2026
    		+4dSEC FORM 4

    Evidence

    34
    BK
    Borthwick KathleenCFO
    PASGPassage BIO, Inc.
    Open-market sale
    		SELL$38K
    2,062 sh
    		Jan 8, 2026Jan 12, 2026
    traded Jan 8, 2026
    		+4dSEC FORM 4

    Evidence

    24
    BK
    Borthwick KathleenCFO
    PASGPassage BIO, Inc.
    Grant or award
    		A—
    10.0K sh
    		Jan 15, 2025Dec 29, 2025
    traded Jan 15, 2025
    		+348dSEC 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
    0001949693-25-000002
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Jan 15, 2025
    Published
    Dec 29, 2025
    Ingested by INSIDER
    Nov 5, 04:25 UTC
    Last re-read
    Nov 5, 04:25 UTC

    Extracted facts

    Filer
    Chou William
    Role
    Director, PRESIDENT AND CEO
    Transaction
    Grant or awardAs filed: “A”
    Asset
    Passage BIO, Inc. — Restricted Stock Unit
    Ticker
    PASG
    Shares
    20.0K
    Price per share
    $0
    Execution date (reported)
    Jan 15, 2025
    Owned after transaction
    20.0K shares
    Days from execution to publication
    348

    What this establishes

    Chou William filed this Form 4 reporting a grant or award of PASG on Jan 15, 2025. It became public on Dec 29, 2025. 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, PRESIDENT AND CEO
    Chou Williamcik:0001949693
    Issuer
    Passage BIO, Inc.cik:0001787297

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.