Insmed (INSM) Insider Trading & Ownership $98.43 +1.55 (+1.60%) As of 01:59 PM Eastern This is a fair market value 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)1Amount OfInsider Buying(Last 12 Months)$201.69KNumber OfInsiders Selling(Last 12 Months)7Amount OfInsider Selling(Last 12 Months)$74.36M 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 TransactionDetails6/11/2025Orlov S Nicole SchaefferInsiderSell99,172$93.42$9,264,648.24 6/10/2025Sara BonsteinCFOSell57,766$89.12$5,148,105.92 6/5/2025Michael Alexander SmithInsiderSell1,879$73.50$138,106.50 6/4/2025David W J McgirrDirectorSell3,000$73.27$219,810.00 6/3/2025David W J McgirrDirectorSell3,250$71.30$231,725.00 6/3/2025Martina M.D. FlammerInsiderSell1,686$71.50$120,549.00 6/3/2025Michael Alexander SmithInsiderSell1,448$71.50$103,532.00 6/3/2025Orlov S Nicole SchaefferInsiderSell1,642$71.50$117,403.00 6/3/2025Roger AdsettCOOSell1,860$71.50$132,990.00 6/3/2025Sara BonsteinCFOSell1,579$71.50$112,898.50 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. 6/3/2025William LewisCEOSell5,472$71.50$391,248.00 6/2/2025William LewisCEOSell6,830$71.31$487,047.30 5/21/2025Clarissa DesjardinsDirectorBuy1,130$66.35$74,975.50 5/20/2025Clarissa DesjardinsDirectorBuy1,895$66.87$126,718.65 5/20/2025William LewisCEOSell21,057$67.65$1,424,506.05 5/20/2025William LewisCEOSell6,830$67.72$462,527.60 5/16/2025Martina M.D. FlammerInsiderSell1,799$67.53$121,486.47 5/15/2025Martina M.D. FlammerInsiderSell9,925$65.47$649,789.75 5/14/2025Martina M.D. FlammerInsiderSell1,744$65.61$114,423.84 5/14/2025Michael Alexander SmithInsiderSell409$65.61$26,834.49 5/14/2025Orlov S Nicole SchaefferInsiderSell1,236$65.61$81,093.96 5/14/2025Roger AdsettCOOSell1,925$65.61$126,299.25 5/14/2025Sara BonsteinCFOSell1,634$65.61$107,206.74 5/14/2025William LewisCEOSell3,771$65.61$247,415.31 5/13/2025Martina M.D. FlammerInsiderSell8,408$67.81$570,146.48 5/13/2025Michael Alexander SmithInsiderSell4,407$67.81$298,838.67 5/13/2025Orlov S Nicole SchaefferInsiderSell4,999$67.81$338,982.19 5/13/2025Roger AdsettCOOSell7,482$67.81$507,354.42 5/13/2025Sara BonsteinCFOSell8,870$67.81$601,474.70 5/13/2025William LewisCEOSell17,442$66.97$1,168,090.74 5/1/2025William LewisCEOSell6,830$72.57$495,653.10 4/15/2025William LewisCEOSell6,830$70.16$479,192.80 4/9/2025Josh GottheimerU.S. Congress Member (D-NJ)Sell$67.55$1,001 - $15,0003/17/2025William 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 Banks aren’t ready for this altcoin—are you? 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One altcoin is quietly positioning itself to overthrow the entire banking system.Click here to access the full report now.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 (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 Clarissa Desjardins, David W J Mcgirr, 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 buying company stock? The following insider purchased INSM shares in the last 24 months: Clarissa Desjardins ($201,694.15). How much insider buying is happening at Insmed? Insiders have purchased a total of 3,025 INSM shares in the last 24 months for a total of $201,694.15 bought. Which Insmed insiders have been selling company stock? The following insiders have sold INSM shares in the last 24 months: David W J Mcgirr ($451,535.00), John Drayton Wise ($1,194,190.95), Martina M.D. Flammer ($11,258,654.41), Michael Alexander Smith ($2,741,072.29), Orlov S Nicole Schaeffer ($19,779,939.89), Roger Adsett ($9,133,110.74), Sara Bonstein ($22,934,081.82), and William Lewis ($27,838,726.74). How much insider selling is happening at Insmed? Insiders have sold a total of 1,517,203 Insmed shares in the last 24 months for a total of $95,331,311.84 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 8 recent tradesDr. Paul D. Streck (Age 55)Advisor More Insider Trading Tools from MarketBeat Related Companies Takeda Pharmaceutical Insider Buying Alnylam Pharmaceuticals Insider Buying Beigene Insider Buying Teva Pharmaceutical Industries Insider Buying Royalty Pharma Insider Buying Summit Therapeutics Insider Buying United Therapeutics Insider Buying Genmab A/S Insider Buying Intra-Cellular Therapies Insider Buying BioMarin Pharmaceutical Insider Buying Insider Tracking Tools CEO Purchases/Sales CFO Purchases/Sales Top Insider Buying Stocks Top Insider Selling Stocks Insider Trades Screener Insider Trades Newsletter Congressional Stock Trades Insider Trading By Country U.S. Insider Trading Activity Canadian Insider Trading Activity U.K. Insider Trading Activity Australia Insider Trading Activity Latest Articles 3 Summer Stocks With Insider Buying and Analyst Support3 Tightly-Held Growth Stocks Set Up for Short SqueezesTankers, Takedowns & Air Taxis: Insiders Are Buying These 3 Names3 Tech Stocks Insiders Are Buying: Speculative Plays for JuneDividend Investors Looking for an Edge? 3 Stocks Insiders Bought This page (NASDAQ:INSM) was last updated on 6/13/2025 by MarketBeat.com Staff From Our PartnersYour Bank Account Is No Longer SafeWhat If Washington Declared That: YOUR Money ISN'T Actually Yours? 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