MELVIN MD SHAROKY, a director at $INSM, sold 10,000 shares of the company on 08-20-2025 for an estimated $1,295,000. We received data on the trade from a recent SEC filing. This was a sale of approximately 3.5% of their shares of this class of stock. Following this trade, they now own 274,516 shares of this class of $INSM stock.
$INSM Insider Trading Activity
$INSM insiders have traded $INSM stock on the open market 103 times in the past 6 months. Of those trades, 2 have been purchases and 101 have been sales.
Here’s a breakdown of recent trading of $INSM stock by insiders over the last 6 months:
- WILLIAM LEWIS (Chair and CEO) has made 0 purchases and 55 sales selling 288,586 shares for an estimated $25,502,903.
- SARA BONSTEIN (Chief Financial Officer) has made 0 purchases and 9 sales selling 186,012 shares for an estimated $18,234,222.
- ORLOV S NICOLE SCHAEFFER (Chief People Strategy Officer) has made 0 purchases and 12 sales selling 155,349 shares for an estimated $14,470,099.
- MARTINA M.D. FLAMMER (Chief Medical Officer) has made 0 purchases and 8 sales selling 77,440 shares for an estimated $6,647,755.
- ROGER ADSETT (Chief Operating Officer) has made 0 purchases and 7 sales selling 46,953 shares for an estimated $5,012,233.
- MELVIN MD SHAROKY has made 0 purchases and 2 sales selling 20,000 shares for an estimated $2,510,800.
- MICHAEL ALEXANDER SMITH (Chief Legal Officer) has made 0 purchases and 6 sales selling 9,824 shares for an estimated $735,068.
- DAVID W J MCGIRR has made 0 purchases and 2 sales selling 6,250 shares for an estimated $451,535.
- CLARISSA DESJARDINS has made 2 purchases buying 3,025 shares for an estimated $201,694 and 0 sales.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$INSM Hedge Fund Activity
We have seen 288 institutional investors add shares of $INSM stock to their portfolio, and 275 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- JPMORGAN CHASE & CO added 9,282,377 shares (+146.1%) to their portfolio in Q2 2025, for an estimated $934,178,421
- BLACKROCK, INC. removed 4,906,450 shares (-30.6%) from their portfolio in Q2 2025, for an estimated $493,785,128
- DARWIN GLOBAL MANAGEMENT, LTD. added 3,946,646 shares (+25.6%) to their portfolio in Q2 2025, for an estimated $397,190,453
- D. E. SHAW & CO., INC. added 2,687,739 shares (+365.7%) to their portfolio in Q2 2025, for an estimated $270,494,052
- BAKER BROS. ADVISORS LP added 2,332,274 shares (+43.3%) to their portfolio in Q2 2025, for an estimated $234,720,055
- FMR LLC added 1,698,877 shares (+50.0%) to their portfolio in Q2 2025, for an estimated $170,974,981
- PRICE T ROWE ASSOCIATES INC /MD/ removed 1,692,836 shares (-13.1%) from their portfolio in Q2 2025, for an estimated $170,367,015
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
$INSM Congressional Stock Trading
Members of Congress have traded $INSM stock 3 times in the past 6 months. Of those trades, 1 have been purchases and 2 have been sales.
Here’s a breakdown of recent trading of $INSM stock by members of Congress over the last 6 months:
- REPRESENTATIVE GILBERT RAY CISNEROS, JR. sold up to $15,000 on 07/07.
- REPRESENTATIVE JOSH GOTTHEIMER has traded it 2 times. They made 1 purchase worth up to $15,000 on 06/16 and 1 sale worth up to $15,000 on 04/09.
To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard.
$INSM Analyst Ratings
Wall Street analysts have issued reports on $INSM in the last several months. We have seen 14 firms issue buy ratings on the stock, and 0 firms issue sell ratings.
Here are some recent analyst ratings:
- William Blair issued a "Outperform" rating on 08/20/2025
- JP Morgan issued a "Overweight" rating on 08/20/2025
- Stifel issued a "Buy" rating on 08/14/2025
- Truist Securities issued a "Buy" rating on 08/14/2025
- RBC Capital issued a "Outperform" rating on 08/13/2025
- UBS issued a "Buy" rating on 08/13/2025
- Goldman Sachs issued a "Buy" rating on 08/13/2025
To track analyst ratings and price targets for $INSM, check out Quiver Quantitative's $INSM forecast page.
$INSM Price Targets
Multiple analysts have issued price targets for $INSM recently. We have seen 16 analysts offer price targets for $INSM in the last 6 months, with a median target of $139.5.
Here are some recent targets:
- Maxwell Skor from Morgan Stanley set a target price of $144.0 on 08/21/2025
- Jessica Fye from JP Morgan set a target price of $135.0 on 08/20/2025
- Nicole Germino from Truist Securities set a target price of $139.0 on 08/14/2025
- Stephen Willey from Stifel set a target price of $145.0 on 08/14/2025
- Andrea Tan from Goldman Sachs set a target price of $142.0 on 08/13/2025
- Graig Suvannavejh from Mizuho set a target price of $165.0 on 08/13/2025
- Andrew S. Fein from HC Wainwright & Co. set a target price of $240.0 on 08/13/2025
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
