SEC Form 4 · Updated Daily
GSM
— FERROGLOBE PLC OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Levi Marco | Director · Officer | 923,818 | 2026-03-18 | — |
| Villar-Mir de Fuentes Silvia | Director | 106,617 | 2026-09-22 | M |
| Lopez Madrid Javier | Director · Officer | 106,617 | 2026-09-22 | M |
| Amusategui Vergara Marta | Director | 78,220 | 2026-03-18 | — |
| EIZENSTAT STUART E | Director | 72,121 | 2026-03-18 | — |
| Garcia Cos Muntanola Beatriz | Officer | 69,076 | 2026-08-11 | M |
| Ollivier Benoit Emile, Norbert | Officer | 55,325 | 2026-03-18 | — |
| Girardeau David Marie, Gabriel | Officer | 55,164 | 2026-03-18 | — |
| CROCKETT BRUCE LARMOUR | Director | 46,000 | 2026-03-18 | — |
| Wiesner Thomas Kletus II | Officer | 27,500 | 2026-03-18 | — |
| Garrido Ruano Manuel | Director | 870 | 2026-03-18 | — |
| Crespy Benjamin Noel, Camille | Officer | 345 | 2026-03-18 | — |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-22 | Lopez Madrid Javier | Option exercise (derivative) | 28,117 | $0.00 | 0 |
| 2026-09-22 | Lopez Madrid Javier | Tax withholding | 6,889 | $4.31 | 99,728 |
| 2026-09-22 | Lopez Madrid Javier | Option exercise | 28,117 | $0.00 | 106,617 |
| 2026-09-22 | Villar-Mir de Fuentes Silvia | Option exercise (derivative) | 28,117 | $0.00 | 0 |
| 2026-09-22 | Villar-Mir de Fuentes Silvia | Tax withholding | 6,889 | $4.31 | 99,728 |
| 2026-09-22 | Villar-Mir de Fuentes Silvia | Option exercise | 28,117 | $0.00 | 106,617 |
| 2026-08-14 | Garcia Cos Muntanola Beatriz | Open-market sale | 32,292 | $4.30 | 31,693 |
| 2026-08-11 | Garcia Cos Muntanola Beatriz | Option exercise (derivative) | 36,784 | $0.00 | 0 |
| 2026-08-11 | Garcia Cos Muntanola Beatriz | Tax withholding | 5,091 | $4.63 | 63,985 |
| 2026-08-11 | Garcia Cos Muntanola Beatriz | Option exercise | 36,784 | $0.00 | 69,076 |
| 2026-03-23 | Lopez Madrid Javier | Open-market buy | 26,000 | $3.86 | 147,200 |
| 2026-03-23 | Villar-Mir de Fuentes Silvia | Open-market buy | 26,000 | $3.86 | 121,226 |
| 2026-03-18 | CROCKETT BRUCE LARMOUR | — | — | — | 46,000 |
| 2026-03-18 | Lopez Madrid Javier | — | — | — | 73,890 |
| 2026-03-18 | Lopez Madrid Javier | — | — | — | 78,580 |
| 2026-03-18 | Lopez Madrid Javier | — | — | — | 100 |
| 2026-03-18 | Lopez Madrid Javier | — | — | — | 121,200 |
| 2026-03-18 | Crespy Benjamin Noel, Camille | — | — | — | 345 |
| 2026-03-18 | Ollivier Benoit Emile, Norbert | — | — | — | 55,325 |
| 2026-03-18 | Wiesner Thomas Kletus II | — | — | — | 27,500 |
| 2026-03-18 | Girardeau David Marie, Gabriel | — | — | — | 55,164 |
| 2026-03-18 | Villar-Mir de Fuentes Juan | — | — | — | — |
| 2026-03-18 | Villalonga Morenes Maria Belen | — | — | — | — |
| 2026-03-18 | DE SANTIS NICOLAS | — | — | — | — |
| 2026-03-18 | Garcia Cos Muntanola Beatriz | — | — | — | 32,292 |
| 2026-03-18 | Amusategui Vergara Marta | — | — | — | 78,220 |
| 2026-03-18 | Garrido Ruano Manuel | — | — | — | 870 |
| 2026-03-18 | Villar-Mir de Fuentes Silvia | — | — | — | 100 |
| 2026-03-18 | Villar-Mir de Fuentes Silvia | — | — | — | 78,580 |
| 2026-03-18 | Villar-Mir de Fuentes Silvia | — | — | — | 73,890 |
| 2026-03-18 | Villar-Mir de Fuentes Silvia | — | — | — | 121,200 |
| 2026-03-18 | Barrilero Yarnoz Rafael | — | — | — | — |
| 2026-03-18 | EIZENSTAT STUART E | — | — | — | 72,121 |
| 2026-03-18 | Levi Marco | — | — | — | 923,818 |
| 2026-03-18 | Garcia Cos Muntanola Beatriz | — | — | — | 32,292 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.