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I

INSM

Nasdaq

INSMED Inc

Latest disclosureSeptember 11, 2026
Insider score Why 0?
0/ 100
Qualifying buys · 30d
$0

0 purchases · 55 sales

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Insider transactions 113

Limited filing history
All113Buying0Selling55Other58
Filters

Last 30 daysNo qualifying insider buying. Sales: $3.1M by 1 insider.

55 of 113 trades · March 30, 2026 – September 9, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.

Showing the first 6 of 20 trades on this page.

Sale disclosed

David R. Brennan

Director

Common Stock

Reported value
$3.1M
Reported price
$124.00 / share
Traded September 9, 2026Filed September 11, 2026SEC filing
Sale disclosed

Melvin Md Sharoky

Director

Common Stock

Reported value
$637.65K
Reported price
$127.53 / share
Traded August 17, 2026Filed August 19, 2026SEC filing
Sale disclosed

Roger Adsett

Chief Operating Officer

Common Stock

Reported value
$31.96M
Reported price
$133.27 / share
Traded August 10, 2026Filed August 12, 2026SEC filing
Sale disclosed

Martina M.D. Flammer

Chief Medical Officer

Common Stock

Reported value
$1.13M
Reported price
$127.00 / share
Traded August 6, 2026Filed August 7, 2026SEC filing
Sale disclosed

Martina M.D. Flammer

Chief Medical Officer

Common Stock

Reported value
$2.37M
Reported price
$129.40 / share
Traded August 6, 2026Filed August 7, 2026SEC filing
Sale disclosed

William Lewis

Chair and CEO

Common Stock

Reported value
$509.93K
Reported price
$105.62 / share
Traded July 23, 2026Filed July 24, 2026SEC filing
Sale disclosed

William Lewis

Chair and CEO

Common Stock

Reported value
$624.96K
Reported price
$106.43 / share
Traded July 23, 2026Filed July 24, 2026SEC filing
Sale disclosed

William Lewis

Chair and CEO

Common Stock

Reported value
$583.33K
Reported price
$116.55 / share
Traded July 9, 2026Filed July 10, 2026SEC filing
Sale disclosed

William Lewis

Chair and CEO

Common Stock

Reported value
$274.64K
Reported price
$117.62 / share
Traded July 9, 2026Filed July 10, 2026SEC filing
Sale disclosed

William Lewis

Chair and CEO

Common Stock

Reported value
$398.11K
Reported price
$118.52 / share
Traded July 9, 2026Filed July 10, 2026SEC filing
Sale disclosed

Martina M.D. Flammer

Chief Medical Officer

Common Stock

Reported value
$529.18K
Reported price
$109.02 / share
Traded July 6, 2026Filed July 8, 2026SEC filing
Sale disclosed

Martina M.D. Flammer

Chief Medical Officer

Common Stock

Reported value
$823.75K
Reported price
$110.60 / share
Traded July 6, 2026Filed July 8, 2026SEC filing
Sale disclosed

William Lewis

Chair and CEO

Common Stock

Reported value
$1.24M
Reported price
$102.34 / share
Traded June 25, 2026Filed June 26, 2026SEC filing
Sale disclosed

William Lewis

Chair and CEO

Common Stock

Reported value
$189.29K
Reported price
$103.10 / share
Traded June 25, 2026Filed June 26, 2026SEC filing
Sale disclosed

William Lewis

Chair and CEO

Common Stock

Reported value
$388.23K
Reported price
$104.28 / share
Traded June 25, 2026Filed June 26, 2026SEC filing
Sale disclosed

William Lewis

Chair and CEO

Common Stock

Reported value
$258.54K
Reported price
$105.27 / share
Traded June 25, 2026Filed June 26, 2026SEC filing
Sale disclosed

William Lewis

Chair and CEO

Common Stock

Reported value
$137.3K
Reported price
$106.27 / share
Traded June 25, 2026Filed June 26, 2026SEC filing
Sale disclosed

Michael Alexander Smith

Chief Legal Officer

Common Stock

Reported value
$173.05K
Reported price
$95.82 / share
Traded June 22, 2026Filed June 24, 2026SEC filing
Sale disclosed

William Lewis

Chair and CEO

Common Stock

Reported value
$612.61K
Reported price
$94.03 / share
Traded June 8, 2026Filed June 10, 2026SEC filing
Sale disclosed

Roger Adsett

Chief Operating Officer

Common Stock

Reported value
$242.38K
Reported price
$102.27 / share
Traded June 3, 2026Filed June 5, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
DirectorCommon StockSale25,000$124.00 / share$3.1MSep 9Filed Sep 11 · 2d laterSEC filing
DirectorCommon StockSale5,000$127.53 / share$637.65KAug 17Filed Aug 19 · 2d laterSEC filing
Chief Operating OfficerCommon StockSale239,850$133.27 / share$31.96MAug 10Filed Aug 12 · 2d laterSEC filing
Chief Medical OfficerCommon StockSale10b5-12 trades27,173avg $128.61 / share$3.49MAug 6Filed Aug 7 · 1d later
2 filings
  • 8,895 @ $127.00 · $1.13MSEC filing
  • 18,278 @ $129.40 · $2.37MSEC filing
Chair and CEOCommon StockSale10b5-12 trades10,700avg $106.06 / share$1.13MJul 23Filed Jul 24 · 1d later
2 filings
  • 4,828 @ $105.62 · $509.93KSEC filing
  • 5,872 @ $106.43 · $624.96KSEC filing
Chair and CEOCommon StockSale10b5-13 trades10,699avg $117.40 / share$1.26MJul 9Filed Jul 10 · 1d later
3 filings
  • 5,005 @ $116.55 · $583.33KSEC filing
  • 2,335 @ $117.62 · $274.64KSEC filing
  • 3,359 @ $118.52 · $398.11KSEC filing
Chief Medical OfficerCommon StockSale10b5-12 trades12,302avg $109.98 / share$1.35MJul 6Filed Jul 8 · 2d later
2 filings
  • 4,854 @ $109.02 · $529.18KSEC filing
  • 7,448 @ $110.60 · $823.75KSEC filing
Chair and CEOCommon StockSale10b5-15 trades21,398avg $103.32 / share$2.21MJun 25Filed Jun 26 · 1d later
5 filings
  • 12,091 @ $102.34 · $1.24MSEC filing
  • 1,836 @ $103.10 · $189.29KSEC filing
  • 3,723 @ $104.28 · $388.23KSEC filing
  • 2,456 @ $105.27 · $258.54KSEC filing
  • 1,292 @ $106.27 · $137.3KSEC filing
Chief Legal OfficerCommon StockSale10b5-11,806$95.82 / share$173.05KJun 22Filed Jun 24 · 2d laterSEC filing
Chair and CEOCommon StockSale10b5-16,515$94.03 / share$612.61KJun 8Filed Jun 10 · 2d laterSEC filing
Chief Operating OfficerCommon StockSale2,370$102.27 / share$242.38KJun 3Filed Jun 5 · 2d laterSEC filing

Showing the latest 20 of 55 trades. Show all 55 trades

Congress transactions 3

All Congress filings
Partial sale disclosed

Insmed Incorporated - Common Stock (INSM) · Stock

The filing reports a partial sale for a joint account.

Josh Gottheimer official portraitJosh GottheimerReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
June 10, 2026
Filed July 7, 2026 · 27d laterOriginal report
Sale disclosed

Insmed Incorporated - Common Stock (INSM) · Stock

The filing reports a sale for the member.

Gilbert Cisneros official portraitGilbert CisnerosReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
October 3, 2025
Filed November 18, 2025 · 46d laterOriginal report
Partial sale disclosed

Insmed Incorporated - Common Stock (INSM) · Stock

The filing reports a partial sale for the member.

Gilbert Cisneros official portraitGilbert CisnerosReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
September 22, 2025
Filed October 10, 2025 · 18d laterOriginal report
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Why this buying score?

No qualifying common-equity purchases

No eligible common-equity purchase is public by this cutoff within 180 transaction-date days. Other instruments, exercises and routine activity do not contribute purchase points.

+0 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage
Source
SEC EDGAR · Form 4
Issuer CIK
0001104506
Latest public acceptance
Sep 11, 2026, 08:04 PM UTC
Score calculated
Oct 8, 2026, 12:05 AM UTC
Parser
form4-parser-1.5
Classifier
form4-classifier-1.1
Scoring methodology
insider-experimental-1.1
Availability
Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.