← The Wire
INSMNasdaq
INSMED Inc
Pharmaceutical Preparations · VA · CIK 1104506
INSMED Inc develops and commercializes therapies for serious diseases in respiratory, immunology, and rare conditions
$21.21B
Market cap
$104.74
Last close
+1.3%
1D
+6.2%
5D
2.7M
Volume
Price · last 39 sessions-25.2%
May 4L $91.88 · H $140.01Jun 29
202
Total filings
May 15, 2026
Last filing
12/31
Fiscal year end
8-KShareholder VoteMay 15, 20268-KResults of OperationsMay 7, 202610-Q10-QMay 7, 20268-KReg FD Disclosure · Company UpdateApr 7, 2026DEFA14ADEFA14AApr 1, 2026DEF 14ADEF 14AApr 1, 20268-KReg FD Disclosure · Company UpdateMar 23, 202610-K10-KFeb 19, 20268-KExecutive Change · Results of OperationsFeb 19, 20268-KReg FD DisclosureJan 9, 20268-KReg FD Disclosure · Company UpdateDec 17, 20258-KReg FD Disclosure · Company UpdateNov 18, 202510-Q10-QOct 30, 20258-KResults of OperationsOct 30, 20258-KReg FD Disclosure · Company UpdateAug 12, 20258-KResults of OperationsAug 7, 202510-Q10-QAug 7, 20258-KReg FD Disclosure · Company UpdateJun 13, 2025424B5424B5Jun 12, 2025424B5424B5Jun 11, 20258-KReg FD Disclosure · Company UpdateJun 10, 20258-KCompany UpdateJun 6, 20258-KExecutive Change · Shareholder VoteMay 16, 20258-KResults of OperationsMay 8, 202510-Q10-QMay 8, 20258-K/ACompany UpdateApr 24, 20258-KCompany UpdateApr 24, 20258-KExecutive ChangeApr 17, 2025DEFA14ADEFA14AApr 4, 2025DEF 14ADEF 14AApr 4, 20258-KReg FD Disclosure · Company UpdateFeb 24, 20258-KExecutive Change · Results of OperationsFeb 20, 202510-K10-KFeb 20, 20258-KReg FD Disclosure · Company UpdateFeb 6, 20258-KReg FD DisclosureJan 10, 20258-KAgreement TerminatedNov 19, 20248-KMaterial Agreement · Results of OperationsOct 31, 202410-Q10-QOct 31, 2024SC 13GSC 13GSep 3, 20248-KCompany UpdateAug 9, 20248-KResults of OperationsAug 8, 202410-Q10-QAug 8, 20248-KReg FD DisclosureJul 3, 20248-KCompany UpdateJun 27, 20248-KCompany UpdateJun 13, 20248-KReg FD DisclosureJun 4, 20248-KReg FD Disclosure · Company UpdateMay 30, 2024424B5424B5May 30, 2024424B5424B5May 29, 20248-KReg FD Disclosure · Company UpdateMay 28, 20248-KExecutive Change · Shareholder VoteMay 13, 20248-KResults of Operations · Company UpdateMay 9, 202410-Q10-QMay 9, 2024DEFA14ADEFA14AApr 1, 2024DEF 14ADEF 14AApr 1, 20248-KCompany UpdateMar 11, 20248-KMaterial Agreement · Agreement TerminatedFeb 22, 2024424B5424B5Feb 22, 202410-K10-KFeb 22, 2024SC 13GSC 13GFeb 14, 20248-KReg FD DisclosureJan 5, 20248-KResults of OperationsOct 26, 202310-Q10-QOct 26, 20238-KReg FD DisclosureSep 5, 202310-Q10-QAug 3, 20238-KResults of OperationsAug 3, 20238-K/AShareholder VoteJul 7, 20238-KExecutive Change · Bylaw AmendmentMay 11, 20238-KReg FD DisclosureMay 8, 202310-Q10-QMay 4, 20238-KResults of OperationsMay 4, 2023DEFA14AFORM DEFA14AMar 31, 2023DEF 14ADEF 14AMar 31, 202310-K10-KFeb 23, 20238-KResults of OperationsFeb 23, 2023SC 13GSC 13GFeb 14, 2023SC 13GSC 13GFeb 3, 20238-KReg FD DisclosureJan 6, 20238-KResults of OperationsOct 27, 202210-Q10-QOct 27, 2022
Insider Activity
In the 90 days to Mar 30, 2026: 6 sold $45.2M.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 30, 2026 | Smith Michael AlexanderChief Legal Officer | Sell | 19,638 | $150.98 | $3.0M |
| Mar 19, 2026 | Lewis WilliamChair and CEO | Sell | 4,533 | $144.11 | $653K |
| Mar 19, 2026 | Lewis WilliamChair and CEO | Sell | 4,537 | $143.42 | $651K |
| Mar 19, 2026 | Lewis WilliamChair and CEO | Sell | 1,629 | $142.17 | $232K |
| Mar 5, 2026 | Lewis WilliamChair and CEO | Sell | 3,899 | $146.66 | $572K |
| Mar 5, 2026 | Lewis WilliamChair and CEO | Sell | 2,589 | $145.27 | $376K |
| Mar 5, 2026 | Lewis WilliamChair and CEO | Sell | 2,128 | $147.54 | $314K |
| Mar 5, 2026 | Lewis WilliamChair and CEO | Sell | 2,083 | $144.23 | $300K |
| Feb 24, 2026 | Smith Michael AlexanderChief Legal Officer | Sell | 15,771 | $156.53 | $2.5M |
| Feb 24, 2026 | Smith Michael AlexanderChief Legal Officer | Sell | 4,852 | $153.93 | $747K |
| Feb 24, 2026 | Smith Michael AlexanderChief Legal Officer | Sell | 4,151 | $155.06 | $644K |
| Feb 19, 2026 | Lewis WilliamChair and CEO | Sell | 3,413 | $151.12 | $516K |
| Feb 19, 2026 | Lewis WilliamChair and CEO | Sell | 2,377 | $151.92 | $361K |
| Feb 19, 2026 | Lewis WilliamChair and CEO | Sell | 1,988 | $149.17 | $297K |
| Feb 19, 2026 | Lewis WilliamChair and CEO | Sell | 1,891 | $150.10 | $284K |
| Feb 19, 2026 | Lewis WilliamChair and CEO | Sell | 1,030 | $153.38 | $158K |
| Feb 9, 2026 | Lewis WilliamChair and CEO | Sell | 7,221 | $148.02 | $1.1M |
| Feb 9, 2026 | Lewis WilliamChair and CEO | Sell | 4,888 | $147.17 | $719K |
| Feb 9, 2026 | Lewis WilliamChair and CEO | Sell | 1,287 | $148.83 | $192K |
| Feb 5, 2026 | Flammer Martina M.D.Chief Medical Officer | Sell | 869 | $152.44 | $132K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
Similar companies
Comparable business profile · signals at a glance