Ferroglobe PLC (GSM) has 16 known insider and institutional holders on record. The largest holder is Levi Marco with 923,818 shares. Other notable holders include Bradley Jeff and Lopez Madrid Javier.
Over the last 12 months, insiders have made 28 transactions in GSM stock — 2 buys (valued at $200.65K) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
GSM Insider Ownership
Top Holder
Levi Marco
923,818 shares
Buys (12 mo)
2
$200.65K value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Levi Marco |
Chief Executive Officer |
923,818 |
2026-03-18 |
|
| 2 |
Bradley Jeff |
Chief Executive Officer |
440,000 |
2015-04-28 |
|
| 3 |
Lopez Madrid Javier |
Executive Chairman |
147,200 |
2026-03-25 |
|
| 4 |
Villar-mir De Fuentes Silvia |
Director |
121,226 |
2026-03-25 |
|
| 5 |
Amusategui Vergara Marta |
Director |
78,220 |
2026-03-18 |
|
| 6 |
Eizenstat Stuart E |
Director |
72,121 |
2026-03-18 |
|
| 7 |
Ollivier Benoit Emile, Norbert |
See Remarks |
55,325 |
2026-03-18 |
|
| 8 |
Girardeau David Marie, Gabriel |
See Remarks |
55,164 |
2026-03-18 |
|
| 9 |
Crockett Bruce Larmour |
Director |
46,000 |
2026-03-18 |
|
| 10 |
Garcia Cos Muntanola Beatriz |
Chief Finance Officer |
32,292 |
2026-03-18 |
|
| 11 |
Wiesner Thomas Kletus Ii |
Chief Legal Officer |
27,500 |
2026-03-18 |
|
| 12 |
Schriber Alan Richard |
Director |
1,695 |
2015-07-01 |
|
| 13 |
Barger Donald G Jr |
Director |
1,695 |
2015-07-01 |
|
| 14 |
Ragan Joseph Douglas Iii |
Chief Financial Officer |
1,566 |
2015-12-23 |
|
| 15 |
Garrido Ruano Manuel |
Director |
870 |
2026-03-18 |
|
| 16 |
Crespy Benjamin Noel, Camille |
Chief Operating Officer |
345 |
2026-03-18 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-23 |
Lopez Madrid Javier |
Executive Chairman |
Informative Buy |
26,000 |
$3.86 |
$100.32K |
| 2026-03-23 |
Villar-mir De Fuentes Silvia |
Director |
Informative Buy |
26,000 |
$3.86 |
$100.32K |
| 2026-03-18 |
Amusategui Vergara Marta |
Director |
Unknown |
- |
- |
- |
| 2028-09-10 |
Lopez Madrid Javier |
Executive Chairman |
Unknown |
285,278 |
- |
- |
| 2026-03-18 |
Lopez Madrid Javier |
Executive Chairman |
Unknown |
- |
- |
- |
| 2028-09-10 |
Larsen Carsten |
Chief Commercial Officer |
Unknown |
66,879 |
- |
- |
| 2026-03-18 |
Garrido Ruano Manuel |
Director |
Unknown |
- |
- |
- |
| 2026-03-18 |
Villar-mir De Fuentes Juan |
Director |
Unknown |
- |
- |
- |
| 2028-09-10 |
Wiesner Thomas Kletus Ii |
Chief Legal Officer |
Unknown |
66,017 |
- |
- |
| 2026-03-18 |
Wiesner Thomas Kletus Ii |
Chief Legal Officer |
Unknown |
- |
- |
- |
| 2028-09-10 |
Girardeau David Marie, Gabriel |
See Remarks |
Unknown |
57,015 |
- |
- |
| 2026-03-18 |
Girardeau David Marie, Gabriel |
See Remarks |
Unknown |
- |
- |
- |
| 2028-09-10 |
Crespy Benjamin Noel, Camille |
Chief Operating Officer |
Unknown |
73,155 |
- |
- |
| 2026-03-18 |
Crespy Benjamin Noel, Camille |
Chief Operating Officer |
Unknown |
- |
- |
- |
| 2028-09-10 |
Ollivier Benoit Emile, Norbert |
See Remarks |
Unknown |
71,018 |
- |
- |
| 2026-03-18 |
Ollivier Benoit Emile, Norbert |
See Remarks |
Unknown |
- |
- |
- |
| 2028-09-10 |
Garcia Cos Muntanola Beatriz |
Chief Finance Officer |
Unknown |
95,024 |
- |
- |
| 2026-03-18 |
Garcia Cos Muntanola Beatriz |
Chief Finance Officer |
Unknown |
- |
- |
- |
| 2026-03-18 |
Villalonga Morenes Maria Belen |
Director |
Unknown |
- |
- |
- |
| 2028-09-10 |
Villar-mir De Fuentes Silvia |
Director |
Unknown |
285,278 |
- |
- |
| 2026-03-18 |
Villar-mir De Fuentes Silvia |
Director |
Unknown |
- |
- |
- |
| 2026-03-18 |
Barrilero Yarnoz Rafael |
Director |
Unknown |
- |
- |
- |
| 2028-09-10 |
Levi Marco |
Chief Executive Officer |
Unknown |
336,484 |
- |
- |
| 2026-03-18 |
Levi Marco |
Chief Executive Officer |
Unknown |
- |
- |
- |
| 2026-03-18 |
De Santis Nicolas |
Director |
Unknown |
- |
- |
- |
