Insmed (INSM) Insider Trading & Ownership $72.30 -0.34 (-0.47%) Closing price 04:00 PM EasternExtended Trading$72.68 +0.38 (+0.52%) As of 05:07 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Insmed (NASDAQ:INSM) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage3.00%Number OfInsiders Buying(Last 12 Months)0Number OfInsiders Selling(Last 12 Months)7Amount OfInsider Selling(Last 12 Months)$64.81 M Get INSM Insider Trade Alerts Want to know when executives and insiders are buying or selling Insmed stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address INSM Insider Buying and Selling by Quarter Insmed Insider and Congressional Trades History Insiders and Members of Congress Insiders Only Members of Congress Only Transaction Type Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years Time Frame * Start Date * End Date Export to Excel Transaction DateNameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails5/1/2025William LewisCEOSell6,830$72.57$495,653.10 4/15/2025William LewisCEOSell6,830$70.16$479,192.80 3/17/2025William LewisCEOSell18,750$77.03$1,444,312.50 3/3/2025William LewisCEOSell18,750$77.79$1,458,562.50 2/18/2025Sara BonsteinCFOSell18,322$80.31$1,471,439.82 2/18/2025William LewisCEOSell18,750$81.03$1,519,312.50 2/11/2025Sara BonsteinCFOSell13,302$80.00$1,064,160.00 2/10/2025Martina M.D. FlammerInsiderSell37,828$78.61$2,973,659.08 2/10/2025Roger AdsettCOOSell42,975$78.61$3,378,264.75 2/6/2025Martina M.D. FlammerInsiderSell33,055$80.90$2,674,149.50 Get Insider Trades Delivered To Your InboxEnter your email address below to receive a concise daily summary of insider buying activity, insider selling activity and changes in hedge fund holdings. 2/6/2025Roger AdsettCOOSell45,605$80.90$3,689,444.50 2/6/2025Sara BonsteinCFOSell28,390$80.90$2,296,751.00 2/6/2025William LewisCEOSell79,350$80.90$6,419,415.00 2/3/2025William LewisCEOSell18,750$77.94$1,461,375.00 1/30/2025Orlov S Nicole SchaefferInsiderSell91,140$80.00$7,291,200.00 1/15/2025William LewisCEOSell31,805$70.18$2,232,074.90 1/14/2025Martina M.D. FlammerInsiderSell1,384$68.72$95,108.48 1/14/2025Roger AdsettCOOSell1,457$68.72$100,125.04 1/10/2025Martina M.D. FlammerInsiderSell6,172$63.64$392,786.08 1/10/2025Roger AdsettCOOSell4,902$63.68$312,159.36 1/10/2025Sara BonsteinCFOSell1,066$63.72$67,925.52 1/10/2025William LewisCEOSell2,978$63.36$188,686.08 1/7/2025Martina M.D. FlammerInsiderSell3,344$65.91$220,403.04 1/7/2025Roger AdsettCOOSell2,444$65.95$161,181.80 1/7/2025Sara BonsteinCFOSell3,470$65.70$227,979.00 1/7/2025William LewisCEOSell8,218$66.02$542,552.36 1/2/2025William LewisCEOSell18,750$69.84$1,309,500.00 12/19/2024William LewisCEOSell18,750$69.91$1,310,812.50 9/16/2024Martina M.D. FlammerInsiderSell13,436$74.92$1,006,625.12 9/13/2024Michael Alexander SmithInsiderSell27,871$74.35$2,072,208.85 9/10/2024Orlov S Nicole SchaefferInsiderSell37,575$71.50$2,686,612.50 6/21/2024Josh GottheimerU.S. Congress Member (D-NJ)Sell$67.99$1,001 - $15,0005/30/2024Martina M.D. FlammerInsiderSell21,195$55.00$1,165,725.00 5/29/2024Sara BonsteinCFOSell220,564$50.00$11,028,200.00 5/28/2024John Drayton WiseInsiderSell7,852$49.79$390,951.08 5/28/2024Josh GottheimerU.S. Congress Member (D-NJ)Sell$48.06$1,001 - $15,0005/14/2024John Drayton WiseInsiderSell5,088$25.47$129,591.36 5/14/2024Roger AdsettCOOSell7,857$25.50$200,353.50 5/14/2024Sara BonsteinCFOSell11,088$25.32$280,748.16 5/14/2024William LewisCEOSell22,198$25.52$566,492.96 (Data available from 1/1/2013 forward) INSM Insider Trading Activity - Frequently Asked Questions Who is on Insmed's Insider Roster? The list of insiders at Insmed includes John Drayton Wise, Martina M.D. Flammer, Melvin Md Sharoky, Michael Alexander Smith, Orlov S Nicole Schaeffer, Roger Adsett, Sara Bonstein, and William Lewis. Learn more on insiders at INSM. What percentage of Insmed stock is owned by insiders? 3.00% of Insmed stock is owned by insiders. Learn more on INSM's insider holdings. Which Insmed insiders have been selling company stock? The following insiders have sold INSM shares in the last 24 months: John Drayton Wise ($1,194,190.95), Martina M.D. Flammer ($9,682,258.87), Michael Alexander Smith ($2,173,760.63), Orlov S Nicole Schaeffer ($9,977,812.50), Roger Adsett ($8,366,467.07), Sara Bonstein ($16,964,395.96), and William Lewis ($23,657,891.74). How much insider selling is happening at Insmed? Insiders have sold a total of 1,229,681 Insmed shares in the last 24 months for a total of $72,016,777.72 sold. Which members of congress are trading Insmed? Josh Gottheimer (D-NJ) has sold shares of Insmed in the last year totaling $16,000. Insmed Key ExecutivesMr. William H. Lewis J.D. (Age 50)Pres, CEO & Chairman Mr. Paolo Tombesi (Age 55)Chief Financial Officer Ms. Christine A. Pellizzari J.D. (Age 51)Chief Legal Officer & Corp. Sec. Mr. Roger Adsett (Age 50)Chief Commercial Officer 5 recent tradesDr. Paul D. 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Investors Should Do the Opposite5 Mid-Cap Stocks Insiders Are Buying This YearInsider Buying in This Stock Reiterates Analysts Bullish OutlookBeware of BigBear.ai: Insiders Are Selling—Should You?XPO Buying $50 Million of Its Own Stock: Here's Why This page (NASDAQ:INSM) was last updated on 5/2/2025 by MarketBeat.com Staff From Our PartnersElon’s Terrifying Warning Forces Trump To Take ActionElon Musk has avoided two major financial crises before. He pulled Tesla and SpaceX back from the brink of col...American Hartford Gold | SponsoredWarning: “DOGE Collapse” imminentElon Strikes Back You may already sense that the tide is turning against Elon Musk and DOGE. 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