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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.

58 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.

Exercise or conversion

Roger Adsett

Chief Operating Officer

Common Stock

Value context
$1.12M
Reported price
$13.67 / share
Traded August 10, 2026Filed August 12, 2026SEC filing
Exercise or conversion

Roger Adsett

Chief Operating Officer

Common Stock

Value context
$1.31M
Reported price
$17.16 / share
Traded August 10, 2026Filed August 12, 2026SEC filing
Exercise or conversion

Roger Adsett

Chief Operating Officer

Common Stock

Value context
$2.47M
Reported price
$30.46 / share
Traded August 10, 2026Filed August 12, 2026SEC filing
Exercise or conversion

Roger Adsett

Chief Operating Officer

Stock Option (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$13.67 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 10, 2026Filed August 12, 2026SEC filing
Exercise or conversion

Roger Adsett

Chief Operating Officer

Stock Option (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$17.16 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 10, 2026Filed August 12, 2026SEC filing
Exercise or conversion

Roger Adsett

Chief Operating Officer

Stock Option (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$30.46 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 10, 2026Filed August 12, 2026SEC filing
Exercise or conversion

Martina M.D. Flammer

Chief Medical Officer

Common Stock

Value context
$346.37K
Reported price
$18.95 / share
Traded August 6, 2026Filed August 7, 2026SEC filing
Exercise or conversion

Martina M.D. Flammer

Chief Medical Officer

Common Stock

Value context
$229.76K
Reported price
$25.83 / share
Traded August 6, 2026Filed August 7, 2026SEC filing
Exercise or conversion

Martina M.D. Flammer

Chief Medical Officer

Stock Option (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$18.95 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 6, 2026Filed August 7, 2026SEC filing
Exercise or conversion

Martina M.D. Flammer

Chief Medical Officer

Stock Option (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$25.83 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 6, 2026Filed August 7, 2026SEC filing
Exercise or conversion

William Lewis

Chair and CEO

Common Stock

Value context
$190.68K
Reported price
$30.46 / share
Traded July 23, 2026Filed July 24, 2026SEC filing
Exercise or conversion

William Lewis

Chair and CEO

Common Stock

Value context
$76.19K
Reported price
$17.16 / share
Traded July 23, 2026Filed July 24, 2026SEC filing
Exercise or conversion

William Lewis

Chair and CEO

Stock Option (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$30.46 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded July 23, 2026Filed July 24, 2026SEC filing
Exercise or conversion

William Lewis

Chair and CEO

Stock Option (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$17.16 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded July 23, 2026Filed July 24, 2026SEC filing
Exercise or conversion

William Lewis

Chair and CEO

Common Stock

Value context
$190.65K
Reported price
$30.46 / share
Traded July 9, 2026Filed July 10, 2026SEC filing
Exercise or conversion

William Lewis

Chair and CEO

Common Stock

Value context
$76.19K
Reported price
$17.16 / share
Traded July 9, 2026Filed July 10, 2026SEC filing
Exercise or conversion

William Lewis

Chair and CEO

Stock Option (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$30.46 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded July 9, 2026Filed July 10, 2026SEC filing
Exercise or conversion

William Lewis

Chair and CEO

Stock Option (right to buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$17.16 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded July 9, 2026Filed July 10, 2026SEC filing
Exercise or conversion

Martina M.D. Flammer

Chief Medical Officer

Common Stock

Value context
$231.44K
Reported price
$29.13 / share
Traded July 6, 2026Filed July 8, 2026SEC filing
Exercise or conversion

Martina M.D. Flammer

Chief Medical Officer

Common Stock

Value context
$86.01K
Reported price
$19.74 / share
Traded July 6, 2026Filed July 8, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
Chief Operating OfficerCommon StockOption exercise or conversion82,280$13.67 / share$1.12MAug 10Filed Aug 12 · 2d laterSEC filing
Chief Operating OfficerCommon StockOption exercise or conversion76,600$17.16 / share$1.31MAug 10Filed Aug 12 · 2d laterSEC filing
Chief Operating OfficerCommon StockOption exercise or conversion80,970$30.46 / share$2.47MAug 10Filed Aug 12 · 2d laterSEC filing
Chief Operating OfficerStock Option (right to buy)Option exercise or conversionDerivative units82,280$13.67 exercise / conversion priceNot a separate purchaseAug 10Filed Aug 12 · 2d laterSEC filing
Chief Operating OfficerStock Option (right to buy)Option exercise or conversionDerivative units76,600$17.16 exercise / conversion priceNot a separate purchaseAug 10Filed Aug 12 · 2d laterSEC filing
Chief Operating OfficerStock Option (right to buy)Option exercise or conversionDerivative units80,970$30.46 exercise / conversion priceNot a separate purchaseAug 10Filed Aug 12 · 2d laterSEC filing
Chief Medical OfficerCommon StockOption exercise or conversion10b5-118,278$18.95 / share$346.37KAug 6Filed Aug 7 · 1d laterSEC filing
Chief Medical OfficerCommon StockOption exercise or conversion10b5-18,895$25.83 / share$229.76KAug 6Filed Aug 7 · 1d laterSEC filing
Chief Medical OfficerStock Option (right to buy)Option exercise or conversion10b5-1Derivative units18,278$18.95 exercise / conversion priceNot a separate purchaseAug 6Filed Aug 7 · 1d laterSEC filing
Chief Medical OfficerStock Option (right to buy)Option exercise or conversion10b5-1Derivative units8,895$25.83 exercise / conversion priceNot a separate purchaseAug 6Filed Aug 7 · 1d laterSEC filing
Chair and CEOCommon StockOption exercise or conversion10b5-16,260$30.46 / share$190.68KJul 23Filed Jul 24 · 1d laterSEC filing
Chair and CEOCommon StockOption exercise or conversion10b5-14,440$17.16 / share$76.19KJul 23Filed Jul 24 · 1d laterSEC filing
Chair and CEOStock Option (right to buy)Option exercise or conversion10b5-1Derivative units6,260$30.46 exercise / conversion priceNot a separate purchaseJul 23Filed Jul 24 · 1d laterSEC filing
Chair and CEOStock Option (right to buy)Option exercise or conversion10b5-1Derivative units4,440$17.16 exercise / conversion priceNot a separate purchaseJul 23Filed Jul 24 · 1d laterSEC filing
Chair and CEOCommon StockOption exercise or conversion10b5-16,259$30.46 / share$190.65KJul 9Filed Jul 10 · 1d laterSEC filing
Chair and CEOCommon StockOption exercise or conversion10b5-14,440$17.16 / share$76.19KJul 9Filed Jul 10 · 1d laterSEC filing
Chair and CEOStock Option (right to buy)Option exercise or conversion10b5-1Derivative units6,259$30.46 exercise / conversion priceNot a separate purchaseJul 9Filed Jul 10 · 1d laterSEC filing
Chair and CEOStock Option (right to buy)Option exercise or conversion10b5-1Derivative units4,440$17.16 exercise / conversion priceNot a separate purchaseJul 9Filed Jul 10 · 1d laterSEC filing
Chief Medical OfficerCommon StockOption exercise or conversion10b5-17,945$29.13 / share$231.44KJul 6Filed Jul 8 · 2d laterSEC filing
Chief Medical OfficerCommon StockOption exercise or conversion10b5-14,357$19.74 / share$86.01KJul 6Filed Jul 8 · 2d laterSEC filing

Showing the latest 20 of 58 trades. Show all 58 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.