Cos Muntanola Beatriz Garcia, the CHIEF FINANCE OFFICER of $GSM, sold 32,292 shares of the company on 08-14-2026 for an estimated $138,855. We received data on the trade from a recent SEC filing. This was a sale of approximately 50.5% of their shares of this class of stock. Following this trade, they now own 31,693 shares of this class of $GSM stock.
$GSM Insider Trading Activity
$GSM insiders have traded $GSM stock on the open market 3 times in the past 6 months. Of those trades, 2 have been purchases and 1 have been sales.
Here’s a breakdown of recent trading of $GSM stock by insiders over the last 6 months:
- COS MUNTANOLA BEATRIZ GARCIA (CHIEF FINANCE OFFICER) sold 32,292 shares for an estimated $138,855
- DE FUENTES SILVIA VILLAR-MIR purchased 26,000 shares for an estimated $100,323
- MADRID JAVIER LOPEZ (Executive Chairman) purchased 26,000 shares for an estimated $100,323
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 insider transaction endpoint.
$GSM Hedge Fund Activity
We have seen 95 institutional investors add shares of $GSM stock to their portfolio, and 98 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- DONALD SMITH & CO., INC. added 2,692,069 shares (+49.5%) to their portfolio in Q2 2026, for an estimated $8,560,779
- ARDSLEY ADVISORY PARTNERS LP added 2,185,000 shares (+inf%) to their portfolio in Q2 2026, for an estimated $6,948,300
- FIRST EAGLE INVESTMENT MANAGEMENT, LLC removed 2,083,272 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $6,624,804
- CENTERBOOK PARTNERS LP added 1,631,239 shares (+174.4%) to their portfolio in Q2 2026, for an estimated $5,187,340
- HOSKING PARTNERS LLP removed 1,331,057 shares (-11.5%) from their portfolio in Q2 2026, for an estimated $4,232,761
- MAN INVESTMENT PARTNERS (US) LP removed 1,286,367 shares (-100.0%) from their portfolio in Q2 2026, for an estimated $4,090,647
- SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. added 1,236,720 shares (+inf%) to their portfolio in Q2 2026, for an estimated $3,932,769
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 13F endpoint.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information.
