INSMINSMED Inc
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-08-19.
Insider buys (90d)
$0.00
Insider sells (90d)
$44.78M
Net flow
$-44.78M
Filings
15
Buy transactions
0
Sell transactions
24
Distinct insiders
7
Last close (cached)
$125.77
as of 2026-08-21
1d return
+0.6%
5d return
+1.6%
1m return
+17.1%
Top insiders trading INSM (90d)
Recent transactions (38)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-19 | 2026-08-17 | SHAROKY MELVIN MD Director | Sale | 5,000 | $127.53 | $637.6K | open → |
| 2026-08-12 | 2026-08-10 | Adsett Roger Officer | Sale | 239,850 | $133.27 | $31.96M | open → |
| 2026-08-12 | 2026-08-10 | Adsett Roger Officer | Exer. | 80,970 | $30.46 | $2.47M | open → |
| 2026-08-12 | 2026-08-10 | Adsett Roger Officer | Exer. | 76,600 | $17.16 | $1.31M | open → |
| 2026-08-12 | 2026-08-10 | Adsett Roger Officer | Exer. | 82,280 | $13.67 | $1.12M | open → |
| 2026-08-07 | 2026-08-06 | Flammer Martina M.D. Officer | Sale | 18,278 | $129.40 | $2.37M | open → |
| 2026-08-07 | 2026-08-06 | Flammer Martina M.D. Officer | Sale | 8,895 | $127.00 | $1.13M | open → |
| 2026-08-07 | 2026-08-06 | Flammer Martina M.D. Officer | Exer. | 8,895 | $25.83 | $229.8K | open → |
| 2026-08-07 | 2026-08-06 | Flammer Martina M.D. Officer | Exer. | 18,278 | $18.95 | $346.4K | open → |
| 2026-07-24 | 2026-07-23 | Lewis William OfficerDirector | Sale | 5,872 | $106.43 | $625.0K | open → |
| 2026-07-24 | 2026-07-23 | Lewis William OfficerDirector | Sale | 4,828 | $105.62 | $509.9K | open → |
| 2026-07-24 | 2026-07-23 | Lewis William OfficerDirector | Exer. | 4,440 | $17.16 | $76.2K | open → |
| 2026-07-24 | 2026-07-23 | Lewis William OfficerDirector | Exer. | 6,260 | $30.46 | $190.7K | open → |
| 2026-07-10 | 2026-07-09 | Lewis William OfficerDirector | Sale | 3,359 | $118.52 | $398.1K | open → |
| 2026-07-10 | 2026-07-09 | Lewis William OfficerDirector | Sale | 2,335 | $117.62 | $274.6K | open → |
| 2026-07-10 | 2026-07-09 | Lewis William OfficerDirector | Sale | 5,005 | $116.55 | $583.3K | open → |
| 2026-07-10 | 2026-07-09 | Lewis William OfficerDirector | Exer. | 4,440 | $17.16 | $76.2K | open → |
| 2026-07-10 | 2026-07-09 | Lewis William OfficerDirector | Exer. | 6,259 | $30.46 | $190.6K | open → |
| 2026-07-08 | 2026-07-06 | Flammer Martina M.D. Officer | Sale | 7,448 | $110.60 | $823.7K | open → |
| 2026-07-08 | 2026-07-06 | Flammer Martina M.D. Officer | Sale | 4,854 | $109.02 | $529.2K | open → |
| 2026-07-08 | 2026-07-06 | Flammer Martina M.D. Officer | Exer. | 4,357 | $19.74 | $86.0K | open → |
| 2026-07-08 | 2026-07-06 | Flammer Martina M.D. Officer | Exer. | 7,945 | $29.13 | $231.4K | open → |
| 2026-06-26 | 2026-06-25 | Lewis William OfficerDirector | Sale | 1,292 | $106.27 | $137.3K | open → |
| 2026-06-26 | 2026-06-25 | Lewis William OfficerDirector | Sale | 2,456 | $105.27 | $258.5K | open → |
| 2026-06-26 | 2026-06-25 | Lewis William OfficerDirector | Sale | 3,723 | $104.28 | $388.2K | open → |
| 2026-06-26 | 2026-06-25 | Lewis William OfficerDirector | Sale | 1,836 | $103.10 | $189.3K | open → |
| 2026-06-26 | 2026-06-25 | Lewis William OfficerDirector | Sale | 12,091 | $102.34 | $1.24M | open → |
| 2026-06-26 | 2026-06-25 | Lewis William OfficerDirector | Exer. | 8,880 | $17.16 | $152.4K | open → |
| 2026-06-26 | 2026-06-25 | Lewis William OfficerDirector | Exer. | 12,518 | $30.46 | $381.3K | open → |
| 2026-06-24 | 2026-06-23 | Butera Samuele Officer | Grant | 7,342 | $0.00 | $0.00 | open → |
| 2026-06-24 | 2026-06-22 | Smith Michael Alexander Officer | Sale | 1,806 | $95.82 | $173.1K | open → |
| 2026-06-10 | 2026-06-08 | Lewis William OfficerDirector | Sale | 6,515 | $94.03 | $612.6K | open → |
| 2026-06-05 | 2026-06-03 | Adsett Roger Officer | Sale | 2,370 | $102.27 | $242.4K | open → |
| 2026-06-05 | 2026-06-03 | Smith Michael Alexander Officer | Sale | 2,159 | $102.27 | $220.8K | open → |
| 2026-06-05 | 2026-06-03 | Bonstein Sara Officer | Sale | 2,404 | $102.27 | $245.9K | open → |
| 2026-06-05 | 2026-06-03 | Lewis William OfficerDirector | Sale | 7,605 | $102.27 | $777.8K | open → |
| 2026-06-05 | 2026-06-05 | Flammer Martina M.D. Officer | Sale | 1,858 | $103.78 | $192.8K | open → |
| 2026-06-05 | 2026-06-03 | Flammer Martina M.D. Officer | Sale | 2,566 | $102.27 | $262.4K | open → |
Other tickers these insiders trade
Want an email the moment a new insider transaction is filed on INSM? Set up an alert → Watch4Insider delivers SEC Form 4 alerts with a sub-60s p95 SLA.
