INSIDER
01Overview02Follow the Money03Daily Brief04Live05Congress06Corporate Insiders07Government Money08Political Influence09Institutions10Washington Network11Follow the Power12Disclosure Clock13AI Investigator14Watchlist
ConvergenceINSIDER AlphaSignal ledgerHistorical ReplayRobinhood ChainProofTradingTokenProAccountMethodologyMatch reviewLaunch readiness
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/Open-market saleVerified dataRule 10b5-1 plan

Flammer Martina M.D. sold INSM

Chief Medical Officer · INSMED Inc · Common Stock

Side
SELL
Value
$493K
Shares
2,830
Price
$174.21
Executed
Jan 6, 2026
Disclosed
Jan 8, 2026
Disclosure timeline2 days from execution to publication · legal deadline 2 business days
Jan 6 executedJan 8, 2026 disclosed

INSM · 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
12/ 100 · ROUTINE
Methodology →
  • Transaction type+6 / 20

    Open-market sale

  • Relative size+7 / 25

    $493K reported value · 2.9% of prior position

  • Filing timing0 / 15

    Disclosed 2 business days after execution (deadline: 2)

  • Historical behavior+4 / 15

    4 prior trades recorded in this security

  • Frequency & clustering+5 / 15

    1 other actor traded the same direction within 14 days

  • Market events0 / 10

    No material company filing within 60 days after the trade

  • Pre-arranged plan-10

    Executed under a Rule 10b5-1 trading plan

    • 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 · INSM

    ScoreActorSecuritySideValueExecutedDisclosedLagSourceEvidence
    9
    KU
    Koppikar UtpalDirector
    INSMINSMED Inc
    Grant or award
    		A—
    6,139 sh
    		Oct 19, 2026Oct 20, 2026
    traded Oct 19, 2026
    		+1dSEC FORM 4

    Evidence

    9
    HP
    Hudson PaulDirector
    INSMINSMED Inc
    Grant or award
    		A—
    6,139 sh
    		Oct 19, 2026Oct 20, 2026
    traded Oct 19, 2026
    		+1dSEC FORM 4

    Evidence

    6
    FD
    Flammer Martina M.D.Chief Medical Officer
    INSMINSMED Inc
    Option exercise · 10b5-1 plan
    		M$346K
    18.3K sh
    		Aug 6, 2026Aug 7, 2026
    traded Aug 6, 2026
    		+1dSEC FORM 4

    Evidence

    0
    FD
    Flammer Martina M.D.Chief Medical Officer
    INSMINSMED Inc
    Option exercise · 10b5-1 plan
    		M—
    8,895 sh
    		Aug 6, 2026Aug 7, 2026
    traded Aug 6, 2026
    		+1dSEC FORM 4

    Evidence

    4
    FD
    Flammer Martina M.D.Chief Medical Officer
    INSMINSMED Inc
    Option exercise · 10b5-1 plan
    		M—
    18.3K sh
    		Aug 6, 2026Aug 7, 2026
    traded Aug 6, 2026
    		+1dSEC FORM 4

    Evidence

    15
    FD
    Flammer Martina M.D.Chief Medical Officer
    INSMINSMED Inc
    Open-market sale · 10b5-1 plan
    		SELL$2.37M
    18.3K sh
    		Aug 6, 2026Aug 7, 2026
    traded Aug 6, 2026
    		+1dSEC FORM 4

    Evidence

    11
    FD
    Flammer Martina M.D.Chief Medical Officer
    INSMINSMED Inc
    Open-market sale · 10b5-1 plan
    		SELL$1.13M
    8,895 sh
    		Aug 6, 2026Aug 7, 2026
    traded Aug 6, 2026
    		+1dSEC FORM 4

    Evidence

    0
    FD
    Flammer Martina M.D.Chief Medical Officer
    INSMINSMED Inc
    Option exercise · 10b5-1 plan
    		M$230K
    8,895 sh
    		Aug 6, 2026Aug 7, 2026
    traded Aug 6, 2026
    		+1dSEC FORM 4

    Evidence

    25
    Josh GottheimerDJoint
    INSMINSMED Inc
    Partial sale
    		SELL$1,001 – $15KJun 10, 2026Jul 7, 2026
    traded Jun 10, 2026
    		+27dHOUSE PTR

    Evidence

    9
    BS
    Butera SamueleSVP, GM, Global Respiratory
    INSMINSMED Inc
    Grant or award
    		A—
    7,342 sh
    		Jun 23, 2026Jun 24, 2026
    traded Jun 23, 2026
    		+1dSEC FORM 4

    Evidence

    6
    SA
    Smith Michael AlexanderChief Legal Officer
    INSMINSMED Inc
    Open-market sale · 10b5-1 plan
    		SELL$173K
    1,806 sh
    		Jun 22, 2026Jun 24, 2026
    traded Jun 22, 2026
    		+2dSEC FORM 4

    Evidence

    9
    BS
    Butera SamueleSVP, GM, Global Respiratory
    INSMINSMED Inc
    Grant or award
    		A—
    12.6K sh
    		Jun 23, 2026Jun 24, 2026
    traded Jun 23, 2026
    		+1dSEC FORM 4

    Evidence

    26
    SA
    Smith Michael AlexanderChief Legal Officer
    INSMINSMED Inc
    Open-market sale
    		SELL$221K
    2,159 sh
    		Jun 3, 2026Jun 5, 2026
    traded Jun 3, 2026
    		+2dSEC FORM 4

    Evidence

    24
    SA
    Smith Michael AlexanderChief Legal Officer
    INSMINSMED Inc
    Open-market sale
    		SELL$477K
    4,109 sh
    		May 13, 2026May 15, 2026
    traded May 13, 2026
    		+2dSEC FORM 4

    Evidence

    0
    SA
    Smith Michael AlexanderChief Legal Officer
    INSMINSMED Inc
    Option exercise · 10b5-1 plan
    		M$96K
    5,649 sh
    		Mar 30, 2026Mar 31, 2026
    traded Mar 30, 2026
    		+1dSEC FORM 4

    Evidence

    15
    SA
    Smith Michael AlexanderChief Legal Officer
    INSMINSMED Inc
    Open-market sale · 10b5-1 plan
    		SELL$2.96M
    19.6K sh
    		Mar 30, 2026Mar 31, 2026
    traded Mar 30, 2026
    		+1dSEC FORM 4

    Evidence

    4
    SA
    Smith Michael AlexanderChief Legal Officer
    INSMINSMED Inc
    Option exercise · 10b5-1 plan
    		M—
    14.0K sh
    		Mar 30, 2026Mar 31, 2026
    traded Mar 30, 2026
    		+1dSEC FORM 4

    Evidence

    4
    SA
    Smith Michael AlexanderChief Legal Officer
    INSMINSMED Inc
    Option exercise · 10b5-1 plan
    		M—
    5,649 sh
    		Mar 30, 2026Mar 31, 2026
    traded Mar 30, 2026
    		+1dSEC FORM 4

    Evidence

    6
    SA
    Smith Michael AlexanderChief Legal Officer
    INSMINSMED Inc
    Option exercise · 10b5-1 plan
    		M$390K
    14.0K sh
    		Mar 30, 2026Mar 31, 2026
    traded Mar 30, 2026
    		+1dSEC FORM 4

    Evidence

    6
    FD
    Flammer Martina M.D.Chief Medical Officer
    INSMINSMED Inc
    Open-market sale · 10b5-1 plan
    		SELL$132K
    869 sh
    		Feb 5, 2026Feb 6, 2026
    traded Feb 5, 2026
    		+1dSEC 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
    0001796960-26-000004
    Machine-readable
    Structured copy

    Timestamps

    Event (reported)
    Jan 6, 2026
    Published
    Jan 8, 2026
    Ingested by INSIDER
    Nov 5, 04:23 UTC
    Last re-read
    Nov 5, 04:23 UTC

    Extracted facts

    Filer
    Flammer Martina M.D.
    Role
    Chief Medical Officer
    Transaction
    Open-market saleAs filed: “S”
    Asset
    INSMED Inc
    Ticker
    INSM
    Shares
    2,830
    Price per share
    $174.21
    Value
    $493,014
    Execution date (reported)
    Jan 6, 2026
    Owned after transaction
    95.7K shares
    Rule 10b5-1 plan
    Yes, as checked by the filer
    Days from execution to publication
    2

    Calculation

    Value = shares × reported price per share

    • Shares: 2,830
    • Price: $174.21

    = $493,014

    What this establishes

    Flammer Martina M.D. filed this Form 4 reporting a open-market sale of INSM on Jan 6, 2026. It became public on Jan 8, 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
    Chief Medical Officer
    Flammer Martina M.D.cik:0001796960
    Issuer
    INSMED Inccik:0001104506

    Revision history · 0

    No field has changed since this record was first ingested.

    Company events

    No records

    No material filings recorded for this issuer.