INSMED INC (INSM) Stock Ownership and Short Interest
USA - NASDAQ:INSM - US4576693075 - Common Stock
194.39 USD
+0.7 (+0.36%)
194.39 USD
0 (0%)
| Shares Outstanding | 211.37M |
| Float | 208.93M |
| Float Short Interest Percentage | 4.54% |
| Owners (insider) | 0.67% |
| Owners (institutional) | 99.73% |
| Owners (insider) change | -11.14% |
| Owners (institutional) change | 3.77% |
Insider Transactions
Top Institutional Holders
Insider Owners
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Nov 6, 2025 | Brennan David R | Other Disposition | 120000 | 0.00 | $ 0.00 |
| Nov 3, 2025 | Smith Michael Alexander | Option Excercise | 27130 | 23.75 | $ 644,337.50 |
| Nov 3, 2025 | Smith Michael Alexander | Open Market Sale | 27130 | 183.78 | $ 4,985,910.59 |
| Sep 12, 2025 | SHAROKY MELVIN MD | Open Market Sale | 10000 | 145.39 | $ 1,453,900.00 |
| Sep 12, 2025 | Schaeffer Orlov S Nicole | Option Excercise | 56520 | 23.75 | $ 1,342,350.00 |
| Sep 12, 2025 | Schaeffer Orlov S Nicole | Open Market Sale | 76520 | 145.45 | $ 11,129,927.45 |
| Sep 11, 2025 | SHAROKY MELVIN MD | Other Disposition | 2318 | 0.00 | $ 0.00 |
| Sep 4, 2025 | Schaeffer Orlov S Nicole | Other Disposition | 23303 | 0.00 | $ 0.00 |
| Sep 2, 2025 | Smith Michael Alexander | Option Excercise | 12780 | 30.46 | $ 389,278.80 |
| Sep 2, 2025 | Smith Michael Alexander | Open Market Sale | 24272 | 143.89 | $ 3,492,377.99 |
| Sep 2, 2025 | Flammer Martina M.D. | Option Excercise | 186648 | 23.40 | $ 4,366,788.30 |
| Sep 2, 2025 | Flammer Martina M.D. | Open Market Sale | 186648 | 144.34 | $ 26,941,272.29 |
| Aug 20, 2025 | SHAROKY MELVIN MD | Open Market Sale | 10000 | 129.50 | $ 1,295,000.00 |
| Aug 19, 2025 | Adsett Roger | Open Market Sale | 25000 | 127.58 | $ 3,189,585.95 |
| Aug 18, 2025 | Lewis William | Option Excercise | 6865 | 10.85 | $ 74,485.25 |
| Aug 18, 2025 | Lewis William | Open Market Sale | 6865 | 128.40 | $ 881,470.20 |
| Aug 14, 2025 | Schaeffer Orlov S Nicole | Open Market Sale | 10000 | 127.34 | $ 1,273,363.44 |
| Aug 13, 2025 | SHAROKY MELVIN MD | Other Disposition | 26100 | 0.00 | $ 0.00 |
| Aug 12, 2025 | SHAROKY MELVIN MD | Open Market Sale | 10000 | 121.58 | $ 1,215,800.00 |
| Aug 4, 2025 | Lewis William | Option Excercise | 6830 | 10.85 | $ 74,105.50 |
| Aug 4, 2025 | Lewis William | Open Market Sale | 6830 | 109.81 | $ 750,008.30 |
| Aug 4, 2025 | Flammer Martina M.D. | Option Excercise | 8715 | 19.74 | $ 172,034.10 |
| Aug 4, 2025 | Flammer Martina M.D. | Open Market Sale | 8715 | 109.50 | $ 954,292.50 |
| Jul 21, 2025 | Bonstein Sara | Option Excercise | 47888 | 30.63 | $ 1,466,710.88 |
| Jul 21, 2025 | Bonstein Sara | Open Market Sale | 58400 | 102.67 | $ 5,996,093.50 |
| Jul 15, 2025 | Lewis William | Option Excercise | 6830 | 10.85 | $ 74,105.50 |
| Jul 15, 2025 | Lewis William | Open Market Sale | 6830 | 102.37 | $ 699,220.40 |
| Jul 11, 2025 | Smith Michael Alexander | Open Market Sale | 1681 | 99.80 | $ 167,756.51 |
| Jul 7, 2025 | Bonstein Sara | Option Excercise | 47888 | 25.41 | $ 1,216,772.73 |
| Jul 7, 2025 | Bonstein Sara | Open Market Sale | 57764 | 95.86 | $ 5,537,460.17 |
| Jul 1, 2025 | Lewis William | Option Excercise | 6830 | 10.85 | $ 74,105.50 |
| Jul 1, 2025 | Lewis William | Open Market Sale | 6830 | 98.33 | $ 671,612.00 |
| Jun 23, 2025 | Bonstein Sara | Option Excercise | 47889 | 19.16 | $ 917,478.99 |
| Jun 23, 2025 | Bonstein Sara | Open Market Sale | 57765 | 101.78 | $ 5,879,088.99 |
| Jun 16, 2025 | Lewis William | Open Market Sale | 135009 | 100.39 | $ 13,553,743.64 |
| Jun 16, 2025 | Lewis William | Option Excercise | 129805 | 10.85 | $ 1,408,384.25 |
| Jun 16, 2025 | Adsett Roger | Open Market Sale | 10686 | 98.82 | $ 1,056,003.52 |
| Jun 10, 2025 | Flammer Martina M.D. | Option Excercise | 45163 | 22.42 | $ 1,012,631.01 |
| Jun 10, 2025 | Flammer Martina M.D. | Open Market Sale | 45163 | 91.16 | $ 4,117,067.10 |
| Jun 10, 2025 | Schaeffer Orlov S Nicole | Option Excercise | 108300 | 15.06 | $ 1,630,928.00 |
| Jun 10, 2025 | Schaeffer Orlov S Nicole | Open Market Sale | 137472 | 92.09 | $ 12,659,256.71 |
| Jun 10, 2025 | Bonstein Sara | Option Excercise | 47890 | 18.02 | $ 862,884.30 |
| Jun 10, 2025 | Bonstein Sara | Open Market Sale | 57766 | 89.12 | $ 5,148,024.17 |
| Jun 5, 2025 | Smith Michael Alexander | Open Market Sale | 1879 | 73.50 | $ 138,106.50 |
| Jun 3, 2025 | MCGIRR DAVID W J | Open Market Sale | 6250 | 72.25 | $ 451,535.00 |
| Jun 3, 2025 | Schaeffer Orlov S Nicole | Open Market Sale | 1642 | 71.50 | $ 117,403.00 |
| Jun 3, 2025 | Smith Michael Alexander | Open Market Sale | 1448 | 71.50 | $ 103,532.00 |
| Jun 3, 2025 | Flammer Martina M.D. | Open Market Sale | 1686 | 71.50 | $ 120,549.00 |
| Jun 3, 2025 | Adsett Roger | Open Market Sale | 1860 | 71.50 | $ 132,990.00 |
| Jun 3, 2025 | Bonstein Sara | Open Market Sale | 1579 | 71.50 | $ 112,898.50 |
| Jun 2, 2025 | Lewis William | Option Excercise | 6830 | 10.85 | $ 74,105.50 |
| Jun 2, 2025 | Lewis William | Open Market Sale | 12302 | 71.39 | $ 878,292.20 |
| May 30, 2025 | Smith Michael Alexander | Open Market Sale | 26327 | 69.65 | $ 1,833,779.12 |
| May 27, 2025 | SHAROKY MELVIN MD | Other Disposition | 200 | 0.00 | $ 0.00 |
| May 20, 2025 | Lewis William | Option Excercise | 6830 | 10.85 | $ 74,105.50 |
| May 20, 2025 | SHAROKY MELVIN MD | Other Disposition | 800 | 0.00 | $ 0.00 |
| May 20, 2025 | Desjardins Clarissa | Open Market Purchase | 3025 | 66.68 | $ 201,694.15 |
| May 20, 2025 | Lewis William | Open Market Sale | 27887 | 67.66 | $ 1,886,957.32 |
| May 15, 2025 | Adsett Roger | Grant | 6508 | 0.00 | $ 0.00 |
| May 15, 2025 | Bonstein Sara | Grant | 6508 | 0.00 | $ 0.00 |
| May 15, 2025 | Schaeffer Orlov S Nicole | Grant | 5578 | 0.00 | $ 0.00 |
| May 15, 2025 | Flammer Martina M.D. | Grant | 6508 | 0.00 | $ 0.00 |
| May 15, 2025 | Flammer Martina M.D. | Open Market Sale | 11724 | 65.79 | $ 771,276.22 |
| May 15, 2025 | Smith Michael Alexander | Grant | 5578 | 0.00 | $ 0.00 |
| May 15, 2025 | Lewis William | Grant | 22314 | 0.00 | $ 0.00 |
| May 15, 2025 | Brennan David R | Grant | 5058 | $ 0.00 | |
| May 15, 2025 | Desjardins Clarissa | Grant | 5058 | $ 0.00 | |
| May 15, 2025 | SHAROKY MELVIN MD | Grant | 5058 | $ 0.00 | |
| May 15, 2025 | SCHAFER CAROL | Grant | 5058 | $ 0.00 | |
| May 15, 2025 | ANDERSON ELIZABETH M | Grant | 5058 | $ 0.00 | |
| May 15, 2025 | MCGIRR DAVID W J | Grant | 5058 | $ 0.00 | |
| May 15, 2025 | LEE LEO | Grant | 5058 | $ 0.00 | |
| May 14, 2025 | SHAROKY MELVIN MD | Other Disposition | 1152 | 0.00 | $ 0.00 |
| May 13, 2025 | Lewis William | Open Market Sale | 21213 | 66.73 | $ 1,415,572.81 |
| May 13, 2025 | Flammer Martina M.D. | Open Market Sale | 10152 | 67.43 | $ 684,570.32 |
| May 13, 2025 | Bonstein Sara | Open Market Sale | 10504 | 67.47 | $ 708,681.44 |
| May 13, 2025 | Adsett Roger | Open Market Sale | 9407 | 67.36 | $ 633,653.67 |
| May 13, 2025 | Smith Michael Alexander | Open Market Sale | 4816 | 67.62 | $ 325,673.16 |
| May 13, 2025 | Schaeffer Orlov S Nicole | Open Market Sale | 6235 | 67.37 | $ 420,076.15 |
| May 1, 2025 | Lewis William | Option Excercise | 6830 | 10.85 | $ 74,105.50 |
| May 1, 2025 | Lewis William | Open Market Sale | 6830 | 72.57 | $ 495,667.74 |
| Apr 15, 2025 | Lewis William | Option Excercise | 6830 | 10.85 | $ 74,105.50 |
| Apr 15, 2025 | Lewis William | Open Market Sale | 6830 | 70.16 | $ 479,176.92 |
| Apr 1, 2025 | Lewis William | Option Excercise | 6830 | 10.85 | $ 74,105.50 |
| Apr 1, 2025 | Lewis William | Open Market Sale | 6830 | 73.58 | $ 502,577.03 |
| Mar 17, 2025 | Lewis William | Option Excercise | 25580 | 19.58 | $ 500,855.50 |
| Mar 17, 2025 | Lewis William | Open Market Sale | 25580 | 77.03 | $ 1,970,420.71 |
| Mar 3, 2025 | Lewis William | Option Excercise | 25580 | 19.58 | $ 500,855.50 |
| Mar 3, 2025 | Lewis William | Open Market Sale | 25580 | 77.79 | $ 1,989,796.50 |
| Feb 25, 2025 | SHAROKY MELVIN MD | Other Disposition | 2886 | 0.00 | $ 0.00 |
| Feb 18, 2025 | Lewis William | Option Excercise | 25580 | 19.58 | $ 500,855.50 |
| Feb 18, 2025 | Lewis William | Open Market Sale | 25580 | 81.03 | $ 2,072,721.15 |
| Feb 18, 2025 | Bonstein Sara | Open Market Sale | 18322 | 80.31 | $ 1,471,394.16 |
| Feb 11, 2025 | Bonstein Sara | Open Market Sale | 18321 | 80.00 | $ 1,465,680.00 |
| Feb 10, 2025 | Adsett Roger | Open Market Sale | 42975 | 78.61 | $ 3,378,066.75 |
| Feb 10, 2025 | Flammer Martina M.D. | Open Market Sale | 37828 | 78.61 | $ 2,973,484.92 |
| Feb 6, 2025 | Flammer Martina M.D. | Open Market Sale | 33115 | 80.90 | $ 2,678,924.90 |
| Feb 6, 2025 | Schaeffer Orlov S Nicole | Open Market Sale | 23500 | 80.90 | $ 1,901,150.00 |
| Feb 6, 2025 | Adsett Roger | Open Market Sale | 45705 | 80.90 | $ 3,697,401.50 |
| Feb 6, 2025 | Lewis William | Open Market Sale | 79350 | 80.90 | $ 6,419,415.00 |
| Feb 6, 2025 | Wise John Drayton | Open Market Sale | 7920 | 80.90 | $ 640,708.10 |
| Feb 6, 2025 | Bonstein Sara | Open Market Sale | 28390 | 80.90 | $ 2,296,751.00 |
| Feb 6, 2025 | Smith Michael Alexander | Open Market Sale | 20650 | 80.90 | $ 1,670,585.00 |
| Feb 5, 2025 | Flammer Martina M.D. | Grant | 70943 | 0.00 | $ 0.00 |
| Feb 5, 2025 | Schaeffer Orlov S Nicole | Grant | 47295 | 0.00 | $ 0.00 |
| Feb 5, 2025 | Adsett Roger | Grant | 88680 | 0.00 | $ 0.00 |
| Feb 5, 2025 | Lewis William | Grant | 153710 | 0.00 | $ 0.00 |
| Feb 5, 2025 | Wise John Drayton | Grant | 15373 | 0.00 | $ 0.00 |
| Feb 5, 2025 | Bonstein Sara | Grant | 65033 | 0.00 | $ 0.00 |
| Feb 5, 2025 | Smith Michael Alexander | Grant | 47295 | 0.00 | $ 0.00 |
| Feb 3, 2025 | Lewis William | Option Excercise | 25580 | 19.58 | $ 500,855.50 |
| Feb 3, 2025 | Lewis William | Open Market Sale | 25580 | 77.94 | $ 1,993,731.16 |
| Jan 30, 2025 | Schaeffer Orlov S Nicole | Option Excercise | 91140 | 15.04 | $ 1,370,383.80 |
| Jan 30, 2025 | Schaeffer Orlov S Nicole | Open Market Sale | 91140 | 80.00 | $ 7,291,200.00 |
| Jan 15, 2025 | Lewis William | Option Excercise | 25580 | 19.58 | $ 500,855.50 |
| Jan 15, 2025 | Lewis William | Open Market Sale | 38635 | 70.18 | $ 2,711,456.32 |
| Jan 14, 2025 | Flammer Martina M.D. | Open Market Sale | 1384 | 68.72 | $ 95,108.48 |
| Jan 14, 2025 | Adsett Roger | Open Market Sale | 1457 | 68.72 | $ 100,125.04 |
| Jan 14, 2025 | Schaeffer Orlov S Nicole | Open Market Sale | 872 | 68.72 | $ 59,923.84 |
| Jan 8, 2025 | Flammer Martina M.D. | Grant | 6657 | $ 0.00 | |
| Jan 8, 2025 | Bonstein Sara | Grant | 6657 | $ 0.00 | |
| Jan 8, 2025 | Schaeffer Orlov S Nicole | Grant | 5706 | $ 0.00 | |
| Jan 8, 2025 | Wise John Drayton | Grant | 6657 | $ 0.00 | |
| Jan 8, 2025 | Lewis William | Grant | 22824 | $ 0.00 | |
| Jan 8, 2025 | Smith Michael Alexander | Grant | 5706 | $ 0.00 | |
| Jan 8, 2025 | Adsett Roger | Grant | 6657 | $ 0.00 | |
| Jan 7, 2025 | Flammer Martina M.D. | Open Market Sale | 11218 | 64.70 | $ 725,820.81 |
| Jan 7, 2025 | Bonstein Sara | Open Market Sale | 6000 | 65.43 | $ 392,601.72 |
| Jan 7, 2025 | Schaeffer Orlov S Nicole | Open Market Sale | 7862 | 64.74 | $ 508,972.63 |
| Jan 7, 2025 | Wise John Drayton | Option Excercise | 10000 | 16.07 | $ 160,700.00 |
| Jan 7, 2025 | Wise John Drayton | Open Market Sale | 13587 | 65.95 | $ 896,074.08 |
| Jan 7, 2025 | Lewis William | Open Market Sale | 15195 | 65.48 | $ 995,012.48 |
| Jan 7, 2025 | Smith Michael Alexander | Open Market Sale | 3689 | 65.82 | $ 242,815.54 |
| Jan 7, 2025 | Adsett Roger | Open Market Sale | 9228 | 64.78 | $ 597,758.76 |
| Jan 2, 2025 | Lewis William | Option Excercise | 25580 | 19.58 | $ 500,855.50 |
| Jan 2, 2025 | Lewis William | Open Market Sale | 25580 | 69.85 | $ 1,786,643.80 |
| Dec 19, 2024 | Lewis William | Option Excercise | 25580 | 19.58 | $ 500,855.50 |
| Dec 19, 2024 | Lewis William | Open Market Sale | 25580 | 69.91 | $ 1,788,349.36 |
| Dec 12, 2024 | Lewis William | Option Excercise | 25580 | 19.58 | $ 500,855.50 |
| Dec 12, 2024 | Lewis William | Open Market Sale | 25580 | 72.98 | $ 1,866,705.92 |