Ferroglobe (GSM) stock: insider trades, news & valuation
Net buyingShare price and insider trades
Ferroglobe insider trading at a glance (Oct 9, 2026): in the past 12 months, 2 insiders bought $201K and 1 sold $139K of GSM stock on the open market.
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GSM insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | $139K | 1 |
| Q2 2026 | — | 0 | — | 0 |
| Q1 2026 | $201K | 2 | — | 0 |
Valuation, profit and volume
Summary
Over the past 12 months, 2 Ferroglobe PLC insiders reported open-market purchases totaling $201K, while 1 insider reported sales totaling $139K. 0 of 1 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Aug 20SEC | Cos Muntanola Beatriz GarciaChief Finance Officer | Sell | 32,29231,693 held (−50%) | $4.30 | $139K | -1.4% | — |
| Mar 25SEC | Madrid Javier LopezChair | Buy | 26,000147,200 held (+21%) | $3.86 | $100K | +9.8% | — |
| Mar 25SEC | De Fuentes Silvia Villar-mirDirector | Buy | 26,000121,226 held (+27%) | $3.86 | $100K | +9.8% | — |
Insiders at Ferroglobe PLC
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Madrid Javier LopezChair | $100K | — | Mar 25, 2026 | — |
| De Fuentes Silvia Villar-mirDirector | $100K | — | Mar 25, 2026 | — |
| Cos Muntanola Beatriz GarciaChief Finance Officer | — | $139K | Aug 20, 2026 | — |
GSM stock: common questions
Are Ferroglobe PLC insiders buying GSM stock?
In the past 12 months, 2 insiders reported open-market purchases of GSM worth $201K. The latest was Chair Madrid Javier Lopez bought $100K of GSM at $3.86 — first open-market purchase in our records; raises the stake by 21%.
Are Ferroglobe PLC insiders selling GSM stock?
1 insiders reported sales worth $139K over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is GSM's 52-week range?
Over the past year GSM has traded between $3.13 and $5.48. It last closed at $4.24 on Oct 9, 2026.