GSM Insider Trading Activity and SEC Form 4 Filings
GSM insider trading summary
Over the past 12 months, insiders at Ferroglobe PLC (GSM) reported 2 open-market purchases worth $201K by 2 insiders and 1 sale worth $139K by 1 insider on SEC Form 4. Net insider buying was $62K.
Latest GSM insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Aug 14, 2026 | Cos Muntanola Beatriz Garcia | Chief Finance Officer | Sell | $139K (32,292 @ $4.30) |
| Mar 23, 2026 | de Fuentes Silvia Villar-Mir | Director | Buy | $100K (26,000 @ $3.86) |
| Mar 23, 2026 | Madrid Javier Lopez | Executive Chairman | Buy | $100K (26,000 @ $3.86) |
| Oct 20, 2014 | Franklin Lavin | Director | Sell | $56K (3,266 @ $17.19) |
| Sep 17, 2014 | Alan Kestenbaum | Executive Chairman | Sell | $1.0M (50,000 @ $20.06) |
| Sep 4, 2014 | Alan Kestenbaum | Executive Chairman | Sell | $1.3M (66,176 @ $20.35) |
| Sep 3, 2014 | Alan Kestenbaum | Executive Chairman | Sell | $685K (33,824 @ $20.26) |
| Jul 29, 2014 | Alan Kestenbaum | Executive Chairman | Sell | $503K (25,000 @ $20.11) |
| Jul 28, 2014 | Alan Kestenbaum | Executive Chairman | Sell | $509K (25,000 @ $20.36) |
| Jul 22, 2014 | Alan Kestenbaum | Executive Chairman | Sell | $1.5M (71,891 @ $20.93) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.