$INSM stock has now fallen 16% today, according to our price data from Polygon. There has been approximately $14,674,018 of trading volume.
It has been the 416th most-searched ticker on Quiver Quantitative over the last day, out of 10,379 total tickers searched.
Here is what we see in our data on $INSM (you can track the company live on Quiver's $INSM stock page):
$INSM Insider Trading Activity
$INSM insiders have traded $INSM stock on the open market 73 times in the past 6 months. Of those trades, 0 have been purchases and 73 have been sales.
Here’s a breakdown of recent trading of $INSM stock by insiders over the last 6 months:
- MARTINA M.D. FLAMMER (Chief Medical Officer) has made 0 purchases and 14 sales selling 235,484 shares for an estimated $35,659,460.
- ORLOV S NICOLE SCHAEFFER (Chief People Strategy Officer) has made 0 purchases and 11 sales selling 116,520 shares for an estimated $18,223,351.
- SARA BONSTEIN (Chief Financial Officer) has made 0 purchases and 6 sales selling 173,929 shares for an estimated $17,412,642.
- LEO LEE has made 0 purchases and 5 sales selling 75,000 shares for an estimated $14,692,249.
- MICHAEL ALEXANDER SMITH (Chief Legal Officer) has made 0 purchases and 16 sales selling 53,083 shares for an estimated $8,646,045.
- MELVIN MD SHAROKY has made 0 purchases and 4 sales selling 50,000 shares for an estimated $8,064,900.
- WILLIAM LEWIS (Chair and CEO) has made 0 purchases and 13 sales selling 31,224 shares for an estimated $4,530,613.
- ROGER ADSETT (Chief Operating Officer) has made 0 purchases and 2 sales selling 25,000 shares for an estimated $3,189,585.
- ELIZABETH M ANDERSON has made 0 purchases and 2 sales selling 15,000 shares for an estimated $2,981,600.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$INSM Hedge Fund Activity
We have seen 326 institutional investors add shares of $INSM stock to their portfolio, and 310 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- JPMORGAN CHASE & CO added 7,411,277 shares (+47.4%) to their portfolio in Q3 2025, for an estimated $1,067,298,000
- PRICE T ROWE ASSOCIATES INC /MD/ removed 4,299,239 shares (-38.3%) from their portfolio in Q3 2025, for an estimated $619,133,408
- FMR LLC added 4,087,702 shares (+80.3%) to their portfolio in Q3 2025, for an estimated $588,669,965
- VANGUARD GROUP INC added 2,291,328 shares (+13.0%) to their portfolio in Q3 2025, for an estimated $329,974,145
- D. E. SHAW & CO., INC. added 2,234,845 shares (+65.3%) to their portfolio in Q3 2025, for an estimated $321,840,028
- DEEP TRACK CAPITAL, LP removed 1,750,000 shares (-100.0%) from their portfolio in Q3 2025, for an estimated $252,017,499
- ORBIS ALLAN GRAY LTD added 1,726,734 shares (+113.3%) to their portfolio in Q3 2025, for an estimated $248,666,963
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 4 times in the past 6 months. Of those trades, 0 have been purchases and 4 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. has traded it 4 times. They made 0 purchases and 4 sales worth up to $60,000 on 10/03, 09/22, 08/08, 07/07.
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:
- Wells Fargo issued a "Overweight" rating on 12/16/2025
- Mizuho issued a "Outperform" rating on 12/01/2025
- TD Cowen issued a "Buy" rating on 11/20/2025
- UBS issued a "Buy" rating on 10/31/2025
- RBC Capital issued a "Outperform" rating on 10/31/2025
- Goldman Sachs issued a "Buy" rating on 10/31/2025
- B of A Securities issued a "Buy" rating on 10/27/2025
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 17 analysts offer price targets for $INSM in the last 6 months, with a median target of $217.0.
Here are some recent targets:
- Leonid Timashev from RBC Capital set a target price of $195.0 on 12/18/2025
- Vamil Divan from Guggenheim set a target price of $221.0 on 12/18/2025
- Benjamin Burnett from Wells Fargo set a target price of $234.0 on 12/16/2025
- Olivia Brayer from Cantor Fitzgerald set a target price of $230.0 on 12/16/2025
- Andrea Tan from Goldman Sachs set a target price of $258.0 on 12/15/2025
- Ritu Baral from TD Cowen set a target price of $269.0 on 12/11/2025
- Graig Suvannavejh from Mizuho set a target price of $256.0 on 12/01/2025
You can track data on $INSM on Quiver Quantitative.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.
