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INSM
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Insmed Incorporated

INSM · Healthcare · Insmed Incorporated develops and commercializes therapies for patients with serious and rare diseases in the United States, Europe, Japan,…

Insmed Incorporated (INSM), in the Healthcare sector, has 62 disclosed filings on Paydirt over the trailing twelve months from 2 members of Congress and 10 corporate insiders: 0 purchases and 62 sales, 1 filed past the deadline. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Sep 9 and filed Sep 11. The most active filer was William Lewis with 41 filings.

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Filings, ttm
62
0 buys · 62 sells · 1 late
Traders, ttm
12
2 congress · 10 insiders
Volume, ttmiDollar value disclosed in the window
$166.2M
estimated for Congress, as filed for insiders
Median delay
2d
execution to disclosure
Last traded
Sep 9
Filed Sep 11
ADViAverage daily dollar volume
$401.1M
market data
Share price · 12M
$124 (-14.5%)
$211$152$91.88Sep 22 2025Mar 20Sep 17

Adjusted for splits and dividends.

Volume by month
$46.0M$23.0M$0Oct 2024Apr 2025Oct 2025Apr 2026Dec 2024 · sells $3.6MJan 2025 · sells $15.6MFeb 2025 · sells $32.4MMar 2025 · sells $3.9MApr 2025 · sells $822KMay 2025 · buys $127KMay 2025 · sells $7.2MJun 2025 · sells $46.0MJul 2025 · buys $8KJul 2025 · sells $12.8MAug 2025 · sells $9.5MSep 2025 · sells $43.0MOct 2025 · sells $8KNov 2025 · sells $34.4MDec 2025 · sells $9.7MJan 2026 · sells $29.1MFeb 2026 · sells $9.7MMar 2026 · sells $6.1MApr 2026 · sells $17.8MMay 2026 · sells $11.7MJun 2026 · sells $4.9MJul 2026 · sells $3.8MAug 2026 · sells $36.1MSep 2026 · sells $3.1M
Buys $135K Sells $341.1M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed
WL William Lewis Chair and CEO 41 filings MF Martina M.D. Flammer Chief Medical Officer 21 filings MS Michael Alexander Smith Chief Legal Officer 16 filings RA Roger Adsett Chief Operating Officer 14 filings SB Sara Bonstein Chief Financial Officer 14 filings OS Orlov S Nicole Schaeffer Chief People Strategy Officer 10 filings MS Melvin Md Sharoky Director 5 filings GC Gilbert Cisneros Representative 4 filings
Recent filings
David R BrennanSALE Director $3.1M
25,000 sh × $124.00
Exec Sep 9
Filed Sep 11 · 4:04 PM ET
Melvin Md SharokySALE Director $638K
5,000 sh × $127.53
Exec Aug 17
Filed Aug 19 · 4:10 PM ET
Roger AdsettSALE Chief Operating Officer $32.0M
239,850 sh × $133.27
Exec Aug 10
Filed Aug 12 · 5:04 PM ET
Martina M.D. FlammerSALE Chief Medical Officer $3.5M
27,173 sh across 2 lots
Exec Aug 6
Filed Aug 7 · 4:39 PM ET
William LewisSALE Chair and CEO $1.1M
10,700 sh across 2 lots
Exec Jul 23
Filed Jul 24 · 5:02 PM ET
William LewisSALE Chair and CEO $1.3M
10,699 sh across 3 lots
Exec Jul 9
Filed Jul 10 · 4:02 PM ET
Martina M.D. FlammerSALE Chief Medical Officer $1.4M
12,302 sh across 2 lots
Exec Jul 6
Filed Jul 8 · 4:03 PM ET
Josh GottheimerSALE Representative (Joint) $8K
$1K–15K bracket
Exec Jun 10
Filed Jul 7
William LewisSALE Chair and CEO $2.2M
21,398 sh across 5 lots
Exec Jun 25
Filed Jun 26 · 5:30 PM ET
Michael Alexander SmithSALE Chief Legal Officer $173K
1,806 sh × $95.82
Exec Jun 22
Filed Jun 24 · 5:30 PM ET
William LewisSALE Chair and CEO $613K
6,515 sh × $94.03
Exec Jun 8
Filed Jun 10 · 5:30 PM ET
Martina M.D. FlammerSALE Chief Medical Officer $455K
4,424 sh across 2 lots
Exec Jun 3
Filed Jun 5 · 5:30 PM ET
William LewisSALE Chair and CEO $778K
7,605 sh × $102.27
Exec Jun 3
Filed Jun 5 · 5:30 PM ET
Michael Alexander SmithSALE Chief Legal Officer $221K
2,159 sh × $102.27
Exec Jun 3
Filed Jun 5 · 5:30 PM ET
Sara BonsteinSALE Chief Financial Officer $246K
2,404 sh × $102.27
Exec Jun 3
Filed Jun 5 · 5:30 PM ET
Roger AdsettSALE Chief Operating Officer $242K
2,370 sh × $102.27
Exec Jun 3
Filed Jun 5 · 5:30 PM ET
Michael Alexander SmithSALE Chief Legal Officer $667K
6,149 sh × $108.47
Exec May 22
Filed May 22 · 5:30 PM ET
William LewisSALE Chair and CEO $2.7M
25,564 sh across 3 lots
Exec May 18
Filed May 20 · 5:30 PM ET
William LewisSALE Chair and CEO $1.5M
13,283 sh × $116.18
Exec May 13
Filed May 15 · 5:30 PM ET
Michael Alexander SmithSALE Chief Legal Officer $477K
4,109 sh × $116.18
Exec May 13
Filed May 15 · 5:30 PM ET
Martina M.D. FlammerSALE Chief Medical Officer $2.1M
18,333 sh across 3 lots
Exec May 13
Filed May 15 · 5:30 PM ET
Roger AdsettSALE Chief Operating Officer $678K
5,837 sh × $116.18
Exec May 13
Filed May 15 · 5:30 PM ET
Sara BonsteinSALE Chief Financial Officer $961K
8,272 sh × $116.18
Exec May 13
Filed May 15 · 5:30 PM ET
Martina M.D. FlammerSALE Chief Medical Officer $1.2M
12,119 sh × $100.35
Exec May 11
Filed May 13 · 5:30 PM ET
William LewisSALE Chair and CEO $1.3M
9,286 sh across 3 lots
Exec May 4
Filed May 6 · 5:30 PM ET