INSMED INC (INSM) Stock Ownership

NASDAQ:INSM • US4576693075

Current stock price

152.68 USD
+7.38 (+5.08%)
Last:

INSM Ownership information

INSM Ownership Chart.INSM Ownership Chart: showing Insider, Institutional ownership and shares available to the public.INSM Ownership.InsiderInstitutional



Shares Outstanding215.55M
Float214.05M
Float Short Interest Percentage5.28%
Owners (insider)0.54%
Owners (institutional)101.55%
Owners (insider) change-10.31%
Owners (institutional) change-1.17%
INSM Institutional Ownership HistoryINSM Institutional Ownership HistoryINSM Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 50M 100M 150M 200M
INSM Historical Insider Transactions ChartINSM Historical Insider Buy and Sell Transactions ChartINSM Historical Insider Transactions Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 0 200K -200K -400K
DateNameTypeSharesPriceAmount
Mar 19, 2026Lewis WilliamOption Excercise1069924.94$ 266,839.54
Mar 19, 2026Lewis WilliamOpen Market Sale10699143.52$ 1,535,542.10
Mar 5, 2026Lewis WilliamOption Excercise1069924.94$ 266,839.54
Mar 5, 2026Lewis WilliamOpen Market Sale10699146.03$ 1,562,327.58
Mar 3, 2026SHAROKY MELVIN MDOther Disposition1000.00$ 0.00
Feb 25, 2026SHAROKY MELVIN MDOther Disposition20440.00$ 0.00
Feb 24, 2026Smith Michael AlexanderOption Excercise2024817.07$ 345,633.36
Feb 24, 2026Smith Michael AlexanderOpen Market Sale24774155.77$ 3,859,157.05
Feb 23, 2026Brennan David ROther Disposition60000.00$ 0.00
Feb 19, 2026Lewis WilliamOption Excercise1069924.94$ 266,839.54
Feb 19, 2026Lewis WilliamOpen Market Sale10699150.97$ 1,615,256.86
Feb 9, 2026MCGIRR DAVID W JOther Disposition1068000.00$ 0.00
Feb 9, 2026Lewis WilliamOption Excercise1069924.94$ 266,839.54
Feb 9, 2026Lewis WilliamOpen Market Sale13396147.79$ 1,979,763.59
Feb 5, 2026Flammer Martina M.D.Open Market Sale869152.44$ 132,470.36
Feb 3, 2026Lewis WilliamOpen Market Sale3009156.34$ 470,427.06
Feb 3, 2026Smith Michael AlexanderOpen Market Sale640156.27$ 100,012.80
Feb 3, 2026Adsett RogerOpen Market Sale791156.17$ 123,530.47
Feb 3, 2026Bonstein SaraOpen Market Sale748156.34$ 116,942.32
Feb 2, 2026Flammer Martina M.D.Option Excercise798265.72$ 524,577.04
Feb 2, 2026Flammer Martina M.D.Open Market Sale8777154.70$ 1,357,796.17
Jan 20, 2026Lewis WilliamOption Excercise1069924.94$ 266,839.54
Jan 20, 2026Lewis WilliamOpen Market Sale10699158.93$ 1,700,411.49
Jan 12, 2026Lewis WilliamOption Excercise1069924.94$ 266,839.54
Jan 12, 2026Lewis WilliamOpen Market Sale19215169.00$ 3,247,348.91
Jan 9, 2026Flammer Martina M.D.Open Market Sale1887186.19$ 351,340.53
Jan 6, 2026Lewis WilliamOpen Market Sale9676174.03$ 1,683,949.58
Jan 6, 2026Smith Michael AlexanderOpen Market Sale3158174.00$ 549,494.32
Jan 6, 2026Adsett RogerOpen Market Sale4290174.06$ 746,710.74
Jan 6, 2026Bonstein SaraOpen Market Sale4642174.22$ 808,733.06
Jan 6, 2026Flammer Martina M.D.Option Excercise857026.43$ 226,505.10
Jan 6, 2026Flammer Martina M.D.Open Market Sale16530174.06$ 2,877,139.26
Jan 5, 2026Flammer Martina M.D.Option Excercise1230325.80$ 317,464.77
Jan 5, 2026Flammer Martina M.D.Open Market Sale12303171.38$ 2,108,506.58
Jan 2, 2026Bonstein SaraGrant11643$ 0.00
Jan 2, 2026Lewis WilliamGrant21172$ 0.00
Jan 2, 2026Flammer Martina M.D.Grant11643$ 0.00
Jan 2, 2026Adsett RogerGrant5998$ 0.00
Jan 2, 2026Smith Michael AlexanderGrant5293$ 0.00
Jan 2, 2026Schaeffer Orlov S NicoleGrant5293$ 0.00
Jan 2, 2026Schaeffer Orlov S NicoleOption Excercise8729013.91$ 1,214,203.90
Jan 2, 2026Schaeffer Orlov S NicoleOpen Market Sale87290175.20$ 15,293,421.72
Dec 18, 2025Lewis WilliamOption Excercise1069924.94$ 266,839.54
Dec 18, 2025Lewis WilliamOpen Market Sale10699166.97$ 1,786,456.65
Dec 5, 2025SHAROKY MELVIN MDOpen Market Sale20000205.01$ 4,100,200.00
Dec 4, 2025Lewis WilliamOption Excercise1069924.94$ 266,839.54
Dec 4, 2025Lewis WilliamOpen Market Sale10699205.62$ 2,199,914.53
Dec 1, 2025Flammer Martina M.D.Option Excercise889525.83$ 229,757.85
Dec 1, 2025Flammer Martina M.D.Open Market Sale8895206.98$ 1,841,100.65
Nov 24, 2025ANDERSON ELIZABETH MOpen Market Sale5000204.58$ 1,022,900.00
Nov 17, 2025LEE LEOOpen Market Sale75000195.90$ 14,692,249.30
Nov 14, 2025ANDERSON ELIZABETH MOpen Market Sale10000195.87$ 1,958,700.00
Nov 12, 2025Schaeffer Orlov S NicoleOption Excercise3000026.46$ 793,800.00
Nov 12, 2025Schaeffer Orlov S NicoleOpen Market Sale30000194.00$ 5,820,060.94
Nov 11, 2025Flammer Martina M.D.Option Excercise3122618.17$ 567,388.58
Nov 11, 2025Flammer Martina M.D.Open Market Sale31226189.68$ 5,922,794.88
Nov 6, 2025Brennan David ROther Disposition1200000.00$ 0.00
Nov 3, 2025Smith Michael AlexanderOption Excercise2713023.75$ 644,337.50
Nov 3, 2025Smith Michael AlexanderOpen Market Sale27130183.78$ 4,985,910.59
Sep 12, 2025Schaeffer Orlov S NicoleOpen Market Sale76520145.45$ 11,129,927.45
Sep 12, 2025SHAROKY MELVIN MDOpen Market Sale10000145.39$ 1,453,900.00
Sep 12, 2025Schaeffer Orlov S NicoleOption Excercise5652023.75$ 1,342,350.00
Sep 11, 2025SHAROKY MELVIN MDOther Disposition23180.00$ 0.00
Sep 4, 2025Schaeffer Orlov S NicoleOther Disposition233030.00$ 0.00
Sep 2, 2025Smith Michael AlexanderOption Excercise1278030.46$ 389,278.80
Sep 2, 2025Smith Michael AlexanderOpen Market Sale24272143.89$ 3,492,377.99
Sep 2, 2025Flammer Martina M.D.Option Excercise18664823.40$ 4,366,788.30
Sep 2, 2025Flammer Martina M.D.Open Market Sale186648144.34$ 26,941,272.29
Aug 20, 2025SHAROKY MELVIN MDOpen Market Sale10000129.50$ 1,295,000.00
Aug 19, 2025Adsett RogerOpen Market Sale25000127.58$ 3,189,585.95
Aug 18, 2025Lewis WilliamOption Excercise686510.85$ 74,485.25
Aug 18, 2025Lewis WilliamOpen Market Sale6865128.40$ 881,470.20
Aug 14, 2025Schaeffer Orlov S NicoleOpen Market Sale10000127.34$ 1,273,363.44
Aug 13, 2025SHAROKY MELVIN MDOther Disposition261000.00$ 0.00
Aug 12, 2025SHAROKY MELVIN MDOpen Market Sale10000121.58$ 1,215,800.00
Aug 4, 2025Lewis WilliamOption Excercise683010.85$ 74,105.50
Aug 4, 2025Lewis WilliamOpen Market Sale6830109.81$ 750,008.30
Aug 4, 2025Flammer Martina M.D.Option Excercise871519.74$ 172,034.10
Aug 4, 2025Flammer Martina M.D.Open Market Sale8715109.50$ 954,292.50
Jul 21, 2025Bonstein SaraOption Excercise4788830.63$ 1,466,710.88
Jul 21, 2025Bonstein SaraOpen Market Sale58400102.67$ 5,996,093.50
Jul 15, 2025Lewis WilliamOption Excercise683010.85$ 74,105.50
Jul 15, 2025Lewis WilliamOpen Market Sale6830102.37$ 699,220.40
Jul 11, 2025Smith Michael AlexanderOpen Market Sale168199.80$ 167,756.51
Jul 7, 2025Bonstein SaraOption Excercise4788825.41$ 1,216,772.73
Jul 7, 2025Bonstein SaraOpen Market Sale5776495.86$ 5,537,460.17
Jul 1, 2025Lewis WilliamOption Excercise683010.85$ 74,105.50
Jul 1, 2025Lewis WilliamOpen Market Sale683098.33$ 671,612.00
Jun 23, 2025Bonstein SaraOption Excercise4788919.16$ 917,478.99
Jun 23, 2025Bonstein SaraOpen Market Sale57765101.78$ 5,879,088.99
Jun 16, 2025Lewis WilliamOption Excercise12980510.85$ 1,408,384.25
Jun 16, 2025Adsett RogerOpen Market Sale1068698.82$ 1,056,003.52
Jun 16, 2025Lewis WilliamOpen Market Sale135009100.39$ 13,553,743.64
Jun 10, 2025Flammer Martina M.D.Option Excercise4516322.42$ 1,012,631.01
Jun 10, 2025Flammer Martina M.D.Open Market Sale4516391.16$ 4,117,067.10
Jun 10, 2025Schaeffer Orlov S NicoleOption Excercise10830015.06$ 1,630,928.00
Jun 10, 2025Schaeffer Orlov S NicoleOpen Market Sale13747292.09$ 12,659,256.71
Jun 10, 2025Bonstein SaraOption Excercise4789018.02$ 862,884.30
Jun 10, 2025Bonstein SaraOpen Market Sale5776689.12$ 5,148,024.17
Jun 5, 2025Smith Michael AlexanderOpen Market Sale187973.50$ 138,106.50
Jun 3, 2025MCGIRR DAVID W JOpen Market Sale625072.25$ 451,535.00
Jun 3, 2025Schaeffer Orlov S NicoleOpen Market Sale164271.50$ 117,403.00
Jun 3, 2025Smith Michael AlexanderOpen Market Sale144871.50$ 103,532.00
Jun 3, 2025Flammer Martina M.D.Open Market Sale168671.50$ 120,549.00
Jun 3, 2025Adsett RogerOpen Market Sale186071.50$ 132,990.00
Jun 3, 2025Bonstein SaraOpen Market Sale157971.50$ 112,898.50
Jun 2, 2025Lewis WilliamOption Excercise683010.85$ 74,105.50
Jun 2, 2025Lewis WilliamOpen Market Sale1230271.39$ 878,292.20
May 30, 2025Smith Michael AlexanderOpen Market Sale2632769.65$ 1,833,779.12
May 27, 2025SHAROKY MELVIN MDOther Disposition2000.00$ 0.00
May 20, 2025SHAROKY MELVIN MDOther Disposition8000.00$ 0.00
May 20, 2025Desjardins ClarissaOpen Market Purchase302566.68$ 201,694.15
May 20, 2025Lewis WilliamOpen Market Sale2788767.66$ 1,886,957.32
May 20, 2025Lewis WilliamOption Excercise683010.85$ 74,105.50
May 15, 2025Flammer Martina M.D.Open Market Sale1172465.79$ 771,276.22
May 15, 2025Smith Michael AlexanderGrant55780.00$ 0.00
May 15, 2025Lewis WilliamGrant223140.00$ 0.00
May 15, 2025Brennan David RGrant5058$ 0.00
May 15, 2025Desjardins ClarissaGrant5058$ 0.00
May 15, 2025SHAROKY MELVIN MDGrant5058$ 0.00
May 15, 2025SCHAFER CAROLGrant5058$ 0.00
May 15, 2025ANDERSON ELIZABETH MGrant5058$ 0.00
May 15, 2025MCGIRR DAVID W JGrant5058$ 0.00
May 15, 2025LEE LEOGrant5058$ 0.00
May 15, 2025Adsett RogerGrant65080.00$ 0.00
May 15, 2025Bonstein SaraGrant65080.00$ 0.00
May 15, 2025Schaeffer Orlov S NicoleGrant55780.00$ 0.00
May 15, 2025Flammer Martina M.D.Grant65080.00$ 0.00
May 14, 2025SHAROKY MELVIN MDOther Disposition11520.00$ 0.00
May 13, 2025Lewis WilliamOpen Market Sale2121366.73$ 1,415,572.81
May 13, 2025Flammer Martina M.D.Open Market Sale1015267.43$ 684,570.32
May 13, 2025Bonstein SaraOpen Market Sale1050467.47$ 708,681.44
May 13, 2025Adsett RogerOpen Market Sale940767.36$ 633,653.67
May 13, 2025Smith Michael AlexanderOpen Market Sale481667.62$ 325,673.16
May 13, 2025Schaeffer Orlov S NicoleOpen Market Sale623567.37$ 420,076.15
May 1, 2025Lewis WilliamOption Excercise683010.85$ 74,105.50
May 1, 2025Lewis WilliamOpen Market Sale683072.57$ 495,667.74
Apr 15, 2025Lewis WilliamOption Excercise683010.85$ 74,105.50
Apr 15, 2025Lewis WilliamOpen Market Sale683070.16$ 479,176.92
Apr 1, 2025Lewis WilliamOption Excercise683010.85$ 74,105.50
Apr 1, 2025Lewis WilliamOpen Market Sale683073.58$ 502,577.03