Jack Q. Guo, the EVP & CFO of $CSTM, sold 25,201 shares of the company on 05-05-2026 for an estimated $822,056. We received data on the trade from a recent SEC filing. This was a sale of approximately 12.0% of their shares of this class of stock. Following this trade, they now own 185,368 shares of this class of $CSTM stock.
$CSTM Insider Trading Activity
$CSTM insiders have traded $CSTM stock on the open market 24 times in the past 6 months. Of those trades, 5 have been purchases and 19 have been sales.
Here’s a breakdown of recent trading of $CSTM stock by insiders over the last 6 months:
- PHILIPPE HOFFMANN (President, A&T) has made 1 purchase buying 71,132 shares for an estimated $0 and 4 sales selling 134,728 shares for an estimated $3,834,013.
- PHILIP RYAN JURKOVIC (SVP & CHRO) has made 0 purchases and 2 sales selling 78,684 shares for an estimated $2,335,088.
- JACK Q. GUO (EVP & CFO) has made 0 purchases and 2 sales selling 66,918 shares for an estimated $1,901,275.
- MARCUS BECKER (SVP CPO) has made 1 purchase buying 14,592 shares for an estimated $0 and 3 sales selling 26,683 shares for an estimated $677,963.
- NICOLAS BRUN (SVP PA, Comm & Sust) sold 17,701 shares for an estimated $436,683
- STEPHANE CORRE (President, AS&I) has made 1 purchase buying 8,026 shares for an estimated $0 and 4 sales selling 12,700 shares for an estimated $355,366.
- ISABELLE BOCCON-GIBOD sold 10,000 shares for an estimated $257,700
- INGRID JOERG (CEO) sold 4,614 shares for an estimated $119,364
- JEAN-CHRISTOPHE DESLARZES has made 2 purchases buying 2,990 shares for an estimated $82,489 and 0 sales.
- STEPHEN CHARLES WALTERS (SVP GC & Secretary) sold 1,500 shares for an estimated $38,085
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API.
$CSTM Hedge Fund Activity
We have seen 149 institutional investors add shares of $CSTM stock to their portfolio, and 118 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- T. ROWE PRICE INVESTMENT MANAGEMENT, INC. removed 3,463,435 shares (-67.7%) from their portfolio in Q4 2025, for an estimated $65,285,749
- FMR LLC removed 2,948,788 shares (-21.8%) from their portfolio in Q4 2025, for an estimated $55,584,653
- MACQUARIE GROUP LTD removed 2,034,856 shares (-100.0%) from their portfolio in Q4 2025, for an estimated $38,357,035
- NUT TREE CAPITAL MANAGEMENT, LP removed 1,988,900 shares (-38.1%) from their portfolio in Q4 2025, for an estimated $37,490,765
- JANUS HENDERSON GROUP PLC removed 1,760,278 shares (-97.2%) from their portfolio in Q4 2025, for an estimated $33,181,240
- UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC removed 1,647,532 shares (-65.5%) from their portfolio in Q4 2025, for an estimated $31,055,978
- MORGAN STANLEY added 1,216,516 shares (+48.4%) to their portfolio in Q4 2025, for an estimated $22,931,326
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API.
$CSTM Analyst Ratings
Wall Street analysts have issued reports on $CSTM in the last several months. We have seen 1 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 04/30/2026
To track analyst ratings and price targets for $CSTM, check out Quiver Quantitative's $CSTM forecast page.
$CSTM Price Targets
Multiple analysts have issued price targets for $CSTM recently. We have seen 5 analysts offer price targets for $CSTM in the last 6 months, with a median target of $34.0.
Here are some recent targets:
- Alex Stansbury from UBS set a target price of $38.0 on 05/05/2026
- Timna Tanners from Wells Fargo set a target price of $39.0 on 04/30/2026
- Bill Peterson from JP Morgan set a target price of $34.0 on 04/30/2026
- Corinne Blanchard from Deutsche Bank set a target price of $28.0 on 02/19/2026
- Katja Jancic from BMO Capital set a target price of $30.0 on 02/19/2026
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
