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Active cluster sell — 6 distinct insiders, $45.3M, window ends Sep 9, 2026.
Figures computed from official regulatory filings — .
Analysttarget 197.74 USD (+90%) · consensus 4.79/5 · 24 buy · 0 hold · 0 sell
Ownershipinsiders 0.51% · institutions 104.98% · short 5.6% of float
In USD · as of Oct 5, 2026
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Insmed Incorporated develops and commercializes therapies for patients with serious and rare diseases in the United States, Europe, Japan, and internationally. The company offers ARIKAYCE for the treatment of refractory nontuberculous mycobacterial lung infections, as well as is in phase 3 clinical trial for the treatment of mycobacterium avium complex lung disease as part of a combination antibacterial drug regimen for adult patients. It also develops brensocatib, an oral reversible inhibitor of dipeptidyl peptidase 1(DPP1) that is in phase 3 clinical trial for the treatment of bronchiectasis; and in phase 2 clinical trial for the treatment of chronic rhinosinusitis without nasal polyps and hidradenitis suppurativa. In addition, the company is developing treprostinil palmitil inhalation powder, an inhaled formulation of a treprostinil prodrug treprostinil palmitil, which is in phase 3 clinical trial for the treatment of pulmonary hypertension associated with interstitial lung disease; and phase 2 clinical trial for the treatment of pulmonary arterial hypertension. Further, it develops INS1201, a microdystrophin adeno-associated virus gene replacement therapy which is in phase 1 clinical trial for the treatment of Duchenne muscular dystrophy, as well as it is also developing pre-clinical research programs for gene therapy, AI-driven protein engineering, protein manufacturing, RNA end-joining, and synthetic rescue. In addition, it provides INS1148, monoclonal antibody targeting stem cell factor called SCF248 that is in phase-2 clinical trial for the treatment of interstitial lung disease, and asthma; and INS1202, an intrathecally delivered gene therapy which is in phase 1 of clinical trial for the treatment of amyotrophic lateral sclerosis. The company was founded in 1988 and is headquartered in Bridgewater, New Jersey.
Market information source · Oct 5, 2026
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
Open-market timeline · full history
91 buys671 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| Brennan David R | Sell | $3.1M | SEC |
| SHAROKY MELVIN MDtrack record | Sell | $637.7K | SEC |
| Adsett Roger | Exercise | $2.5M | SEC |
| Adsett Roger | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Adsett Roger | Exercise | $1.1M | SEC |
| Adsett Roger | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Adsett Roger | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Adsett Roger | Sell | $32M | Unusual size | SEC |
| Adsett Roger | Exercise | $1.3M | SEC |
| Flammer Martina M.D. | Exercise | $346.4K | SEC |
| Flammer Martina M.D. | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Flammer Martina M.D. | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Flammer Martina M.D. | Sell | $1.1M | Unusual size | SEC |
| Flammer Martina M.D. | Exercise | $229.8K | SEC |
| Flammer Martina M.D. | Sell | $2.4M | Unusual size | SEC |
| Lewis Williamtrack record | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Lewis Williamtrack record | Sell | $509.9K | SEC |
| Lewis Williamtrack record | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Lewis Williamtrack record | Sell | $625K | SEC |
| Lewis Williamtrack record | Exercise | $190.7K | SEC |
| Lewis Williamtrack record | Exercise | $76.2K | SEC |
| Lewis Williamtrack record | Exercise | $76.2K | SEC |
| Lewis Williamtrack record | Sell | $583.3K | SEC |
| Lewis Williamtrack record | Sell | $274.6K | SEC |
| Lewis Williamtrack record | Sell | $398.1K | SEC |