INSM
INSMED Inc
INSMED Inc (INSM) has 9 SEC Form 4 filings (50 transaction rows) in the rolling window, disclosed by 3 distinct insiders. Most recent filing: Jul 10, 2026.
The most active filer is Chief Medical Officer Flammer Martina M.D. with 6 filings. Insiders have net sold $8.0M over the trailing 6 months.
- Industry:Biotechnology
- CEO:William H. Lewis
- Employees:1,271
- HQ:Bridgewater, NJ, US
- IPO:2000-06-01
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$37.8M
reported sales (SEC code S)
Unique Insiders
3
in the rolling window
Market Cap
$23.3B
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
| Chair and CEO | Sale | 10,699 | $1.3M | Jul 10 | SEC ↗ | |
| Chief Medical Officer | Sale | 12,302 | $1.4M | Jul 8 | SEC ↗ | |
Lewis WilliamFirst in 5 months | Chair and CEO | Sale | 21,398 | $2.2M | Jun 26 | SEC ↗ |
Smith Michael AlexanderFirst filing | Chief Legal Officer | Sale | 1,806 | $173K | Jun 24 | SEC ↗ |
Flammer Martina M.D.First in 4 months | Chief Medical Officer | Sale | 12,949 | $1.3M | May 13 | SEC ↗ |
Lewis WilliamFirst filing | Chair and CEO | Sale | 10,699 | $1.7M | Jan 22 | SEC ↗ |
Flammer Martina M.D.First in 4 months | Chief Medical Officer | Sale | 10,185 | $1.8M | Jan 8 | SEC ↗ |
Flammer Martina M.D.First in 4 months | Chief Medical Officer | Sale | 1,434 | $252K | Jan 8 | SEC ↗ |
Flammer Martina M.D.First in 4 months | Chief Medical Officer | Sale | 4,911 | $855K | Jan 8 | SEC ↗ |
Flammer Martina M.D.First filing | Chief Medical Officer | Sale | 186,648 | $26.9M | Sep 4 | SEC ↗ |
Congress trading INSM
See timeline →- DRep. Josh GottheimerSale$1,001 - $15,0002026-06-10
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Related companies
INSMED Inc is in the Healthcare sector.