As of April 16, 2026, the three largest insider holders of GSM are Madrid Javier Lopez (Executive Chairman, 147.20K shares), De Fuentes Silvia Villar-Mir (Director, 121.23K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Madrid Javier Lopez | Executive Chairman | 0 | 147,200 | 25 Mar, 2026 |
| De Fuentes Silvia Villar-Mir | - | 0 | 121,226 | 25 Mar, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 23 Mar, 2026 | Madrid Javier Lopez | Ordinary shares | A | 26,000 | $3.86 | 147,200 | I | P |
| 23 Mar, 2026 | De Fuentes Silvia Villar-Mir | Ordinary shares | A | 26,000 | $3.86 | 121,226 | I | P |