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Insmed (INSM) Insider Trading & Ownership

Insmed logo
$103.86 +0.13 (+0.13%)
Closing price 06/3/2026 04:00 PM Eastern
Extended Trading
$102.78 -1.08 (-1.04%)
As of 05:24 AM 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 Massive. Learn more.

Insmed (NASDAQ:INSM) Insider Buying and Selling Activity

Current
Insider Ownership
Percentage
2.10%
Number Of
Insiders Buying
(Last 12 Months)
0
Number Of
Insiders Selling
(Last 12 Months)
9
Amount Of
Insider Selling
(Last 12 Months)
$150.74M
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INSM Insider Buying and Selling by Quarter

Insmed Insider and Congressional Trades History

Transaction DateInsiderBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails
5/22/2026Sell6,149$108.47$666,982.03  
4/16/2026Sell10,699$143.97$1,540,335.03  
4/6/2026Sell10,699$163.22$1,746,290.78  
4/1/2026Sell88,060$164.63$14,497,317.80  
3/30/2026Sell19,638$150.98$2,964,945.24  
3/19/2026Sell10,699$143.52$1,535,520.48  
3/5/2026Sell10,699$146.03$1,562,374.97  
2/19/2026Sell10,699$150.97$1,615,228.03  
2/9/2026Sell13,396$147.79$1,979,794.84  
2/3/2026Sell640$156.27$100,012.80  
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2/3/2026Sell791$156.17$123,530.47  
2/3/2026Sell748$156.34$116,942.32  
2/3/2026Sell3,009$156.34$470,427.06  
1/20/2026Sell10,699$158.93$1,700,392.07  
1/12/2026Sell19,215$169.00$3,247,335.00  
1/8/2026Sell1,053$174.17$183,401.01  
1/8/2026Sell2,059$174.17$358,616.03  
1/8/2026Sell1,447$174.17$252,023.99  
1/8/2026Sell3,223$174.17$561,349.91  
1/7/2026Sell709$175.07$124,124.63  
1/7/2026Sell802$175.07$140,406.14  
1/7/2026Sell1,678$175.07$293,767.46  
1/7/2026Sell2,357$175.07$412,639.99  
1/6/2026Sell1,396$173.33$241,968.68  
1/6/2026Sell1,429$173.33$247,688.57  
1/6/2026Sell1,517$173.33$262,941.61  
1/6/2026Sell4,096$173.33$709,959.68  
1/2/2026Sell87,290$175.20$15,293,208.00  
12/18/2025Sell10,699$166.97$1,786,412.03  
11/24/2025Sell5,000$204.58$1,022,900.00  
11/17/2025
Leo Lee
Leo Lee
Director
Sell75,000$195.90$14,692,500.00  
11/14/2025Sell10,000$195.87$1,958,700.00  
11/12/2025Sell30,000$194.00$5,820,000.00  
11/3/2025Sell27,130$183.78$4,985,951.40  
10/3/2025Sell$157.16$1,001 - $15,000
9/22/2025Sell$145.03$1,001 - $15,000
9/12/2025Sell10,000$145.39$1,453,900.00  
9/12/2025Sell76,520$145.45$11,129,834.00  
9/2/2025Sell24,272$143.89$3,492,498.08  
8/20/2025Sell10,000$129.50$1,295,000.00  
8/19/2025Sell25,000$127.58$3,189,500.00  
8/18/2025Sell6,865$128.40$881,466.00  
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8/8/2025Sell$109.55$1,001 - $15,000
7/21/2025Sell58,400$102.67$5,995,928.00  
7/15/2025Sell933$102.51$95,641.83  
7/15/2025Sell6,830$102.37$699,187.10  
7/11/2025Sell748$96.41$72,114.68  
7/7/2025Sell57,764$95.86$5,537,257.04  
7/7/2025Sell$96.95$1,001 - $15,000
6/23/2025Sell57,765$101.78$5,879,321.70  
6/16/2025Sell129,805$100.39$13,031,123.95  
6/16/2025
Josh Gottheimer
Josh Gottheimer
House (D-NJ)
Buy$101.59$1,001 - $15,000
6/11/2025Sell99,172$93.42$9,264,648.24  
6/10/2025Sell57,766$89.12$5,148,105.92  
6/5/2025Sell1,879$73.50$138,106.50  
6/4/2025Sell3,000$73.27$219,810.00  
6/3/2025Sell3,250$71.30$231,725.00  
6/3/2025Sell1,686$71.50$120,549.00  
6/3/2025Sell1,448$71.50$103,532.00  
6/3/2025Sell1,642$71.50$117,403.00  
6/3/2025Sell1,860$71.50$132,990.00  
6/3/2025Sell1,579$71.50$112,898.50  
6/3/2025Sell5,472$71.50$391,248.00  
(Data available from 1/1/2013 forward)

INSM Insider Trading Activity - Frequently Asked Questions

2.10% of Insmed stock is owned by insiders. Learn more on INSM's insider holdings.

The following insider purchased INSM shares in the last 24 months: Clarissa Desjardins ($201,694.15).

Insiders have purchased a total of 3,025 INSM shares in the last 24 months for a total of $201,694.15 bought.

The following insiders have sold INSM shares in the last 24 months: David W J Mcgirr ($451,535.00), Elizabeth M Anderson ($2,981,600.00), Leo Lee ($14,692,500.00), Martina M.D. Flammer ($8,939,126.84), Melvin Md Sharoky ($2,748,900.00), Michael Alexander Smith ($15,567,160.89), Orlov S Nicole Schaeffer ($52,022,981.89), Roger Adsett ($26,964,878.13), Sara Bonstein ($29,436,123.32), and William Lewis ($56,522,121.16).

Insiders have sold a total of 1,897,398 Insmed shares in the last 24 months for a total of $210,326,927.23 sold.

Josh Gottheimer (D-NJ) has bought shares of Insmed in the last year totaling $8,000. Gilbert Ray Cisneros, Jr. (D-CA) has sold shares totaling $32,000.



This page (NASDAQ:INSM) was last updated on 6/4/2026 by MarketBeat.com Staff.
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