Insider Trades

INSM Insider Transactions

TickerDateNameTitleSharesPriceTransactionTotalDetail
INSM7/23/2026Lewis WilliamChair and CEO10,700$106.06Dispose1.1M$Open
INSM7/9/2026Lewis WilliamChair and CEO10,699$117.40Dispose1.3M$Open
INSM7/6/2026Flammer Martina M.D.Chief Medical Officer12,302$109.98Dispose1.4M$Open
INSM6/25/2026Lewis WilliamChair and CEO21,398$103.32Dispose2.2M$Open
INSM6/22/2026Smith Michael AlexanderChief Legal Officer1,806$95.82Dispose173k$Open
INSM6/8/2026Lewis WilliamChair and CEO6,515$94.03Dispose613k$Open
INSM6/5/2026Flammer Martina M.D.Chief Medical Officer1,858$103.78Dispose193k$Open
INSM6/3/2026Lewis WilliamChair and CEO7,605$102.27Dispose778k$Open
INSM6/3/2026Bonstein SaraChief Financial Officer2,404$102.27Dispose246k$Open
INSM6/3/2026Smith Michael AlexanderChief Legal Officer2,159$102.27Dispose221k$Open
INSM6/3/2026Flammer Martina M.D.Chief Medical Officer2,566$102.27Dispose262k$Open
INSM6/3/2026Adsett RogerChief Operating Officer2,370$102.27Dispose242k$Open
INSM5/22/2026Smith Michael AlexanderChief Legal Officer6,149$108.47Dispose667k$Open
INSM5/18/2026Lewis WilliamChair and CEO25,564$106.33Dispose2.7M$Open
INSM5/14/2026Flammer Martina M.D.Chief Medical Officer10,479$117.54Dispose1.2M$Open
INSM5/13/2026Adsett RogerChief Operating Officer5,837$116.18Dispose678k$Open
INSM5/13/2026Smith Michael AlexanderChief Legal Officer4,109$116.18Dispose477k$Open
INSM5/13/2026Lewis WilliamChair and CEO13,283$116.18Dispose1.5M$Open
INSM5/13/2026Flammer Martina M.D.Chief Medical Officer7,854$114.23Dispose897k$Open
INSM5/13/2026Bonstein SaraChief Financial Officer8,272$116.18Dispose961k$Open
INSM5/11/2026Flammer Martina M.D.Chief Medical Officer12,949$100.40Dispose1.3M$Open
INSM5/4/2026Lewis WilliamChair and CEO10,699$137.34Dispose1.5M$Open
INSM4/16/2026Lewis WilliamChair and CEO10,699$143.97Dispose1.5M$Open
INSM4/6/2026Lewis WilliamChair and CEO10,699$163.22Dispose1.7M$Open
INSM4/1/2026Adsett RogerChief Operating Officer88,060$164.63Dispose14.5M$Open
INSM3/30/2026Smith Michael AlexanderChief Legal Officer19,638$150.98Dispose3.0M$Open
INSM3/19/2026Lewis WilliamChair and CEO10,699$143.52Dispose1.5M$Open
INSM3/5/2026Lewis WilliamChair and CEO10,699$146.03Dispose1.6M$Open
INSM3/3/2026SHAROKY MELVIN MD100$Dispose0Open
INSM2/25/2026SHAROKY MELVIN MD1,072$Dispose0Open
INSM2/24/2026Smith Michael AlexanderChief Legal Officer24,774$155.77Dispose3.9M$Open
INSM2/23/2026Brennan David R6,000$Dispose0Open
INSM2/19/2026Lewis WilliamChair and CEO10,699$150.97Dispose1.6M$Open
INSM2/9/2026Lewis WilliamChair and CEO13,396$147.79Dispose2.0M$Open
INSM2/9/2026MCGIRR DAVID W J53,400$Dispose0Open
INSM2/5/2026Flammer Martina M.D.Chief Medical Officer869$152.44Dispose132k$Open
INSM2/3/2026Smith Michael AlexanderChief Legal Officer640$156.27Dispose100k$Open
INSM2/3/2026Flammer Martina M.D.Chief Medical Officer795$155.77Dispose124k$Open
INSM2/3/2026Adsett RogerChief Operating Officer791$156.17Dispose124k$Open
INSM2/3/2026Bonstein SaraChief Financial Officer748$156.34Dispose117k$Open
INSM2/3/2026Lewis WilliamChair and CEO3,009$156.34Dispose470k$Open
INSM2/2/2026Flammer Martina M.D.Chief Medical Officer7,982$154.59Dispose1.2M$Open
INSM1/20/2026Lewis WilliamChair and CEO10,699$158.93Dispose1.7M$Open
INSM1/12/2026Lewis WilliamChair and CEO19,215$169.00Dispose3.2M$Open
INSM1/9/2026Flammer Martina M.D.Chief Medical Officer1,887$186.19Dispose351k$Open
INSM1/8/2026Smith Michael AlexanderChief Legal Officer1,053$174.17Dispose183k$Open
INSM1/8/2026Flammer Martina M.D.Chief Medical Officer4,911$174.07Dispose855k$Open
INSM1/8/2026Adsett RogerChief Operating Officer2,059$174.17Dispose359k$Open
INSM1/8/2026Bonstein SaraChief Financial Officer1,447$174.17Dispose252k$Open
INSM1/8/2026Lewis WilliamChair and CEO3,223$174.17Dispose561k$Open
INSM1/7/2026Smith Michael AlexanderChief Legal Officer709$175.07Dispose124k$Open
INSM1/7/2026Flammer Martina M.D.Chief Medical Officer1,434$175.84Dispose252k$Open
INSM1/7/2026Adsett RogerChief Operating Officer802$175.07Dispose140k$Open
INSM1/7/2026Bonstein SaraChief Financial Officer1,678$175.07Dispose294k$Open
INSM1/7/2026Lewis WilliamChair and CEO2,357$175.07Dispose413k$Open
INSM1/6/2026Smith Michael AlexanderChief Legal Officer1,396$173.33Dispose242k$Open
INSM1/6/2026Flammer Martina M.D.Chief Medical Officer10,185$173.80Dispose1.8M$Open
INSM1/6/2026Adsett RogerChief Operating Officer1,429$173.33Dispose248k$Open
INSM1/6/2026Bonstein SaraChief Financial Officer1,517$173.33Dispose263k$Open
INSM1/6/2026Lewis WilliamChair and CEO4,096$173.33Dispose710k$Open
INSM1/5/2026Flammer Martina M.D.Chief Medical Officer12,303$171.38Dispose2.1M$Open
INSM1/2/2026Schaeffer Orlov S NicoleChief People Strategy Officer87,290$175.20Dispose15.3M$Open
INSM12/18/2025Lewis WilliamChair and CEO10,699$166.97Dispose1.8M$Open
INSM12/5/2025SHAROKY MELVIN MD20,000$205.01Dispose4.1M$Open
INSM12/4/2025Lewis WilliamChair and CEO10,699$205.62Dispose2.2M$Open
INSM12/1/2025Flammer Martina M.D.Chief Medical Officer8,895$206.98Dispose1.8M$Open
INSM11/24/2025ANDERSON ELIZABETH M5,000$204.58Dispose1.0M$Open
INSM11/17/2025LEE LEO75,000$195.90Dispose14.7M$Open
INSM11/14/2025ANDERSON ELIZABETH M10,000$195.87Dispose2.0M$Open
INSM11/12/2025Schaeffer Orlov S NicoleChief People Strategy Officer30,000$194.00Dispose5.8M$Open
INSM11/11/2025Flammer Martina M.D.Chief Medical Officer31,226$189.68Dispose5.9M$Open
INSM11/6/2025Brennan David R60,000$Dispose0Open
INSM11/3/2025Smith Michael AlexanderChief Legal Officer27,130$183.78Dispose5.0M$Open
INSM9/12/2025Schaeffer Orlov S NicoleChief People Strategy Officer76,520$145.45Dispose11.1M$Open
INSM9/12/2025SHAROKY MELVIN MD10,000$145.39Dispose1.5M$Open
INSM9/11/2025SHAROKY MELVIN MD2,000$Dispose0Open
INSM9/4/2025Schaeffer Orlov S NicoleChief People Strategy Officer23,303$Dispose0Open
INSM9/2/2025Smith Michael AlexanderChief Legal Officer24,272$143.88Dispose3.5M$Open
INSM9/2/2025Flammer Martina M.D.Chief Medical Officer186,648$144.34Dispose26.9M$Open
INSM8/20/2025SHAROKY MELVIN MD10,000$129.50Dispose1.3M$Open
INSM8/19/2025Adsett RogerChief Operating Officer25,000$127.58Dispose3.2M$Open
INSM8/14/2025Schaeffer Orlov S NicoleChief People Strategy Officer10,000$127.34Dispose1.3M$Open
INSM8/13/2025SHAROKY MELVIN MD6,100$Dispose0Open
INSM8/12/2025SHAROKY MELVIN MD10,000$121.58Dispose1.2M$Open
INSM8/4/2025Flammer Martina M.D.Chief Medical Officer8,715$109.50Dispose954k$Open
INSM7/21/2025Bonstein SaraChief Financial Officer58,400$102.67Dispose6.0M$Open
INSM7/15/2025Smith Michael AlexanderChief Legal Officer933$102.51Dispose96k$Open
INSM7/11/2025Smith Michael AlexanderChief Legal Officer748$96.41Dispose72k$Open
INSM7/7/2025Bonstein SaraChief Financial Officer57,764$95.86Dispose5.5M$Open
INSM6/23/2025Bonstein SaraChief Financial Officer57,765$101.78Dispose5.9M$Open
INSM6/16/2025Lewis WilliamChair and CEO5,204$100.32Dispose522k$Open
INSM6/16/2025Adsett RogerChief Operating Officer10,686$98.82Dispose1.1M$Open
INSM6/11/2025Flammer Martina M.D.Chief Medical Officer19,423$94.50Dispose1.8M$Open
INSM6/11/2025Schaeffer Orlov S NicoleChief People Strategy Officer99,172$93.42Dispose9.3M$Open
INSM6/10/2025Flammer Martina M.D.Chief Medical Officer25,740$88.64Dispose2.3M$Open
INSM6/10/2025Schaeffer Orlov S NicoleChief People Strategy Officer38,300$88.64Dispose3.4M$Open
INSM6/10/2025Bonstein SaraChief Financial Officer57,766$89.12Dispose5.1M$Open
INSM6/5/2025Smith Michael AlexanderChief Legal Officer1,879$73.50Dispose138k$Open
INSM6/4/2025MCGIRR DAVID W J3,000$73.27Dispose220k$Open
INSM6/3/2025Smith Michael AlexanderChief Legal Officer1,448$71.50Dispose104k$Open
INSM6/3/2025Flammer Martina M.D.Chief Medical Officer1,686$71.50Dispose121k$Open
INSM6/3/2025Adsett RogerChief Operating Officer1,860$71.50Dispose133k$Open
INSM6/3/2025Bonstein SaraChief Financial Officer1,579$71.50Dispose113k$Open
INSM6/3/2025Schaeffer Orlov S NicoleChief People Strategy Officer1,642$71.50Dispose117k$Open
INSM6/3/2025MCGIRR DAVID W J3,250$71.30Dispose232k$Open
INSM6/3/2025Lewis WilliamChair and CEO5,472$71.50Dispose391k$Open
INSM5/30/2025Smith Michael AlexanderChief Legal Officer26,327$69.65Dispose1.8M$Open
INSM5/27/2025SHAROKY MELVIN MD200$Dispose0Open
INSM5/20/2025SHAROKY MELVIN MD400$Dispose0Open
INSM5/20/2025Lewis WilliamChair and CEO21,057$67.65Dispose1.4M$Open
INSM5/16/2025Flammer Martina M.D.Chief Medical Officer1,799$67.53Dispose121k$Open
INSM5/15/2025Flammer Martina M.D.Chief Medical Officer9,925$65.47Dispose650k$Open
INSM5/14/2025Smith Michael AlexanderChief Legal Officer409$65.61Dispose27k$Open
INSM5/14/2025Schaeffer Orlov S NicoleChief People Strategy Officer1,236$65.61Dispose81k$Open
INSM5/14/2025Lewis WilliamChair and CEO3,771$65.61Dispose247k$Open
INSM5/14/2025Flammer Martina M.D.Chief Medical Officer1,744$65.61Dispose114k$Open
INSM5/14/2025Bonstein SaraChief Financial Officer1,634$65.61Dispose107k$Open
INSM5/14/2025Adsett RogerChief Operating Officer1,925$65.61Dispose126k$Open
INSM5/14/2025SHAROKY MELVIN MD576$Dispose0Open
INSM5/13/2025Smith Michael AlexanderChief Legal Officer4,407$67.81Dispose299k$Open
INSM5/13/2025Schaeffer Orlov S NicoleChief People Strategy Officer4,999$67.81Dispose339k$Open
INSM5/13/2025Lewis WilliamChair and CEO17,442$66.97Dispose1.2M$Open
INSM5/13/2025Flammer Martina M.D.Chief Medical Officer8,408$67.81Dispose570k$Open
INSM5/13/2025Bonstein SaraChief Financial Officer8,870$67.81Dispose601k$Open
INSM5/13/2025Adsett RogerChief Operating Officer7,482$67.81Dispose507k$Open
INSM3/17/2025Lewis WilliamChair and CEO18,750$77.03Dispose1.4M$Open
INSM3/3/2025Lewis WilliamChair and CEO18,750$77.79Dispose1.5M$Open
INSM2/25/2025SHAROKY MELVIN MD1,443$Dispose0Open
INSM2/18/2025Lewis WilliamChair and CEO18,750$81.03Dispose1.5M$Open
INSM2/18/2025Bonstein SaraChief Financial Officer18,322$80.31Dispose1.5M$Open
INSM2/12/2025Bonstein SaraChief Financial Officer5,019$80.00Dispose402k$Open
INSM2/11/2025Bonstein SaraChief Financial Officer13,302$80.00Dispose1.1M$Open
INSM2/10/2025Adsett RogerChief Operating Officer42,975$78.61Dispose3.4M$Open
INSM2/10/2025Flammer Martina M.D.Chief Medical Officer37,828$78.61Dispose3.0M$Open
INSM2/7/2025Flammer Martina M.D.Chief Medical Officer60$79.58Dispose5k$Open
INSM2/7/2025Adsett RogerChief Operating Officer100$79.56Dispose8k$Open
INSM2/7/2025Wise John DraytonChief Commercial Officer10$78.90Dispose789$Open
INSM2/6/2025Flammer Martina M.D.Chief Medical Officer33,055$80.90Dispose2.7M$Open
INSM2/6/2025Schaeffer Orlov S NicoleChief People Strategy Officer23,500$80.90Dispose1.9M$Open
INSM2/6/2025Adsett RogerChief Operating Officer45,605$80.90Dispose3.7M$Open
INSM2/6/2025Lewis WilliamChair and CEO79,350$80.90Dispose6.4M$Open
INSM2/6/2025Wise John DraytonChief Commercial Officer7,910$80.90Dispose640k$Open
INSM2/6/2025Bonstein SaraChief Financial Officer28,390$80.90Dispose2.3M$Open
INSM2/6/2025Smith Michael AlexanderChief Legal Officer20,650$80.90Dispose1.7M$Open
INSM2/3/2025Lewis WilliamChair and CEO18,750$77.94Dispose1.5M$Open
INSM1/30/2025Schaeffer Orlov S NicoleChief People Strategy Officer91,140$80.00Dispose7.3M$Open
INSM1/15/2025Lewis WilliamChair and CEO31,805$70.18Dispose2.2M$Open
INSM1/14/2025Flammer Martina M.D.Chief Medical Officer1,384$68.72Dispose95k$Open
INSM1/14/2025Adsett RogerChief Operating Officer1,457$68.72Dispose100k$Open
INSM1/14/2025Schaeffer Orlov S NicoleChief People Strategy Officer872$68.72Dispose60k$Open
INSM1/10/2025Flammer Martina M.D.Chief Medical Officer6,172$63.64Dispose393k$Open
INSM1/10/2025Bonstein SaraChief Financial Officer1,066$63.72Dispose68k$Open
INSM1/10/2025Schaeffer Orlov S NicoleChief People Strategy Officer4,057$63.68Dispose258k$Open
INSM1/10/2025Wise John DraytonChief Commercial Officer287$65.40Dispose19k$Open
INSM1/10/2025Lewis WilliamChair and CEO2,978$63.36Dispose189k$Open
INSM1/10/2025Smith Michael AlexanderChief Legal Officer319$63.38Dispose20k$Open
INSM1/10/2025Adsett RogerChief Operating Officer4,902$63.68Dispose312k$Open
INSM1/8/2025Flammer Martina M.D.Chief Medical Officer1,702$66.16Dispose113k$Open
INSM1/8/2025Bonstein SaraChief Financial Officer1,464$66.05Dispose97k$Open
INSM1/8/2025Schaeffer Orlov S NicoleChief People Strategy Officer1,209$65.84Dispose80k$Open
INSM1/8/2025Wise John DraytonChief Commercial Officer392$66.21Dispose26k$Open
INSM1/8/2025Lewis WilliamChair and CEO3,999$65.96Dispose264k$Open
INSM1/8/2025Smith Michael AlexanderChief Legal Officer1,064$66.21Dispose70k$Open
INSM1/8/2025Adsett RogerChief Operating Officer1,882$66.10Dispose124k$Open
INSM1/7/2025Flammer Martina M.D.Chief Medical Officer3,344$65.91Dispose220k$Open
INSM1/7/2025Bonstein SaraChief Financial Officer3,470$65.70Dispose228k$Open
INSM1/7/2025Schaeffer Orlov S NicoleChief People Strategy Officer2,596$65.88Dispose171k$Open
INSM1/7/2025Wise John DraytonChief Commercial Officer12,908$65.96Dispose851k$Open
INSM1/7/2025Lewis WilliamChair and CEO8,218$66.02Dispose543k$Open
INSM1/7/2025Smith Michael AlexanderChief Legal Officer2,306$65.98Dispose152k$Open
INSM1/7/2025Adsett RogerChief Operating Officer2,444$65.95Dispose161k$Open
INSM1/2/2025Lewis WilliamChair and CEO18,750$69.84Dispose1.3M$Open