INSMINSMED Inc
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-05-22.
Insider buys (90d)
$0.00
Insider sells (90d)
$13.48M
Net flow
$-13.48M
Filings
16
Buy transactions
0
Sell transactions
23
Distinct insiders
11
Last close (cached)
$103.73
as of 2026-06-02
1d return
-2.2%
5d return
-4.7%
1m return
-22.2%
Top insiders trading INSM (90d)
Recent transactions (36)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 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 → |
| 2026-04-17 | 2026-04-16 | Lewis William OfficerDirector | Sale | 825 | $145.79 | $120.3K | open → |
| 2026-04-17 | 2026-04-16 | Lewis William OfficerDirector | Sale | 2,255 | $144.66 | $326.2K | open → |
| 2026-04-17 | 2026-04-16 | Lewis William OfficerDirector | Sale | 5,373 | $143.81 | $772.7K | open → |
| 2026-04-17 | 2026-04-16 | Lewis William OfficerDirector | Sale | 2,246 | $142.99 | $321.2K | open → |
| 2026-04-17 | 2026-04-16 | Lewis William OfficerDirector | Exer. | 4,440 | $17.16 | $76.2K | open → |
| 2026-04-17 | 2026-04-16 | Lewis William OfficerDirector | Exer. | 6,259 | $30.46 | $190.6K | 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 → |
| 2026-05-06 | 2026-05-04 | Lewis William OfficerDirector | Sale | 5,318 | $137.01 | $728.6K | open → |
| 2026-05-06 | 2026-05-04 | Lewis William OfficerDirector | Sale | 599 | $135.18 | $81.0K | open → |
| 2026-05-06 | 2026-05-04 | Lewis William OfficerDirector | Sale | 433 | $134.18 | $58.1K | open → |
| 2026-05-06 | 2026-05-04 | Lewis William OfficerDirector | Exer. | 4,440 | $17.16 | $76.2K | open → |
| 2026-05-06 | 2026-05-04 | Lewis William OfficerDirector | Exer. | 6,259 | $30.46 | $190.6K | open → |
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