Insider tradingForm 4
Ferroglobe PLC (GSM) Insider Trading
1 open-market trades reported since Aug 20, 2026: 0 purchases worth $0 and 1 sales worth $139K.
By insider
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Cos Muntanola Beatriz Garcia | CHIEF FINANCE OFFICER | 0 | $0 | 1 | $139K |
All trades
| Filed | Insider | Type | Value | 3 mo. after |
|---|---|---|---|---|
| Aug 20 | Cos Muntanola Beatriz GarciaCHIEF FINANCE OFFICER | ▼ SELL | $139K |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings