3 insiders reported 9 Form 4 transactions for Ferroglobe PLC (GSM) over the past 18 months (most recent 2026-09-24). Recent activity: Villar-Mir de Fuentes Silvia (Director) Buy 28,117 shares, Lopez Madrid Javier (EXECUTIVE CHAIRMAN) Buy 28,117 shares, Villar-Mir de Fuentes Silvia (Director) Sell 6,889 shares, Lopez Madrid Javier (EXECUTIVE CHAIRMAN) Sell 6,889 shares, Garcia Cos Muntanola Beatriz (CHIEF FINANCE OFFICER) Buy 36,784 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-24 | Villar-Mir de Fuentes Silvia | Director | Buy | 28,117 | $0 |
| 2026-09-24 | Lopez Madrid Javier | EXECUTIVE CHAIRMAN | Buy | 28,117 | $0 |
| 2026-09-24 | Villar-Mir de Fuentes Silvia | Director | Sell | 6,889 | $29,692 |
| 2026-09-24 | Lopez Madrid Javier | EXECUTIVE CHAIRMAN | Sell | 6,889 | $29,692 |
| 2026-08-20 | Garcia Cos Muntanola Beatriz | CHIEF FINANCE OFFICER | Buy | 36,784 | $0 |
| 2026-08-20 | Garcia Cos Muntanola Beatriz | CHIEF FINANCE OFFICER | Sell | 5,091 | $23,571 |
| 2026-08-20 | Garcia Cos Muntanola Beatriz | CHIEF FINANCE OFFICER | Sell | 32,292 | $138,856 |
| 2026-03-25 | Lopez Madrid Javier | Executive Chairman | Buy | 26,000 | $100,360 |
| 2026-03-25 | Villar-Mir de Fuentes Silvia | Director | Buy | 26,000 | $100,360 |
Source: SEC Form 4 filings · as of 2026-09-24