Every Form 4 that Ferroglobe (GSM) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow GSM and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full GSM filings page.
Ferroglobe PLC (GSM) reported insider transactions by Chief Finance Officer Beatriz Garcia Cos Muntanola involving ordinary shares and performance share units. On August 11, 2026, she exercised 36,784 performance share units into 36,784 ordinary shares at $0.00 per share, with 5,091 ordinary shares delivered or withheld for payment of exercise price or tax liability at $4.63 per share. On August 14, 2026, she sold 32,292 ordinary shares at a price of $4.30 per share in an open-market or private transaction.
Ferroglobe PLC director Silvia Villar-Mir de Fuentes reported an indirect open-market purchase of ordinary shares linked to her family. On 2026-03-23, a corporation controlled by her spouse bought 26,000 Ferroglobe ordinary shares at an average price of $3.8586 per share, bringing that entity’s holdings to 121,226 shares.
She also reports additional indirect holdings of 78,500 shares held by her spouse and 73,890 shares held by Panarea Capital SL, plus 100 shares held directly. The filing shows net share accumulation, with no reported sales or derivative transactions.
Ferroglobe PLC Executive Chairman Javier Lopez Madrid reported an open-market purchase of 26,000 ordinary shares of Ferroglobe at an average price of $3.8586 per share. The shares were acquired indirectly through Financiera Siacapital SL, which now holds 147,200 Ferroglobe ordinary shares.
In addition to this indirect holding, the filing shows Lopez Madrid directly owns 78,500 ordinary shares, with further indirect holdings of 73,890 shares through a corporation controlled by his spouse and 100 shares held by his spouse.