INSMINSMED Inc
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-07-10.
Insider buys (90d)
$0.00
Insider sells (90d)
$19.49M
Net flow
$-19.49M
Filings
26
Buy transactions
0
Sell transactions
37
Distinct insiders
12
Last close (cached)
$107.02
as of 2026-07-20
1d return
-1.2%
5d return
-1.9%
1m return
+8.7%
Top insiders trading INSM (90d)
Recent transactions (50)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 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 → |
| 2026-05-22 | 2026-05-22 | Smith Michael Alexander Officer | Sale | 6,149 | $108.47 | $667.0K | open → |
| 2026-05-20 | 2026-05-18 | Lewis William OfficerDirector | Sale | 7,975 | $106.97 | $853.1K | open → |
| 2026-05-20 | 2026-05-18 | Lewis William OfficerDirector | Sale | 11,836 | $106.39 | $1.26M | open → |
| 2026-05-20 | 2026-05-18 | Lewis William OfficerDirector | Sale | 5,753 | $105.32 | $605.9K | open → |
| 2026-05-20 | 2026-05-18 | Lewis William OfficerDirector | Exer. | 4,440 | $17.16 | $76.2K | open → |
| 2026-05-20 | 2026-05-18 | Lewis William OfficerDirector | Exer. | 6,259 | $30.46 | $190.6K | open → |
| 2026-05-15 | 2026-05-13 | Smith Michael Alexander Officer | Sale | 4,109 | $116.18 | $477.4K | open → |
| 2026-05-15 | 2026-05-14 | Flammer Martina M.D. Officer | Sale | 10,479 | $117.54 | $1.23M | open → |
| 2026-05-15 | 2026-05-13 | Flammer Martina M.D. Officer | Sale | 3,384 | $116.18 | $393.2K | open → |
| 2026-05-15 | 2026-05-13 | Flammer Martina M.D. Officer | Sale | 4,470 | $112.76 | $504.0K | open → |
| 2026-05-15 | 2026-05-13 | ANDERSON ELIZABETH M Director | Grant | 3,305 | $0.00 | $0.00 | open → |
| 2026-05-15 | 2026-05-13 | Adsett Roger Officer | Sale | 5,837 | $116.18 | $678.1K | open → |
| 2026-05-15 | 2026-05-13 | Bonstein Sara Officer | Sale | 8,272 | $116.18 | $961.0K | open → |
| 2026-05-15 | 2026-05-13 | SCHAFER CAROL Director | Grant | 3,305 | $0.00 | $0.00 | open → |
| 2026-05-15 | 2026-05-13 | Desjardins Clarissa Director | Grant | 3,305 | $0.00 | $0.00 | open → |
| 2026-05-15 | 2026-05-13 | LEE LEO Director | Grant | 3,305 | $0.00 | $0.00 | open → |
| 2026-05-15 | 2026-05-13 | Brennan David R Director | Grant | 3,305 | $0.00 | $0.00 | open → |
| 2026-05-15 | 2026-05-13 | Lewis William OfficerDirector | Sale | 13,283 | $116.18 | $1.54M | open → |
| 2026-05-15 | 2026-05-13 | SHAROKY MELVIN MD Director | Grant | 3,305 | $0.00 | $0.00 | open → |
| 2026-05-13 | 2026-05-11 | Flammer Martina M.D. Officer | Sale | 830 | $101.18 | $84.0K | open → |
| 2026-05-13 | 2026-05-11 | Flammer Martina M.D. Officer | Sale | 12,119 | $100.35 | $1.22M | open → |
| 2026-05-13 | 2026-05-11 | Flammer Martina M.D. Officer | Exer. | 12,949 | $17.07 | $221.0K | open → |
| 2026-05-06 | 2026-05-04 | Lewis William OfficerDirector | Sale | 381 | $139.60 | $53.2K | open → |
| 2026-05-06 | 2026-05-04 | Lewis William OfficerDirector | Sale | 1,247 | $139.09 | $173.4K | open → |
| 2026-05-06 | 2026-05-04 | Lewis William OfficerDirector | Sale | 2,721 | $137.86 | $375.1K | 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.
