Ferroglobe (GSM) 10K Form and Latest SEC Filings 2026 $3.99 -0.04 (-0.99%) Closing price 10/23/2026 04:00 PM EasternExtended Trading$4.00 +0.00 (+0.13%) As of 10/23/2026 07:30 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more. Add Compare Share Share SEC Filings Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsInsider TradesNews and TrendsOptions ChainOwnershipSEC FilingsShort Interest Latest Ferroglobe SEC Filings & Recent Activity Ferroglobe (NASDAQ:GSM) has submitted 134+ documents to the U.S. Securities and Exchange Commission (SEC) since 2017. For investors, these filings are the primary source of verified financial data — covering everything from annual revenue and debt levels in the 10-K, to material business events in 8-K current reports, to insider buying and selling activity in Form 4 disclosures. The most recent filing was a Form SCHEDULE 13G/A submitted on October 9, 2026. Form 4 Ferroglobe PLC Reports Ownership Change on Sep. 24, 2026Form 4 filings disclose changes in stock ownership by company insiders, including purchases, sales, grants, and option exercises.View insider ownership20-F Ferroglobe Files Annual Report on Mar. 26, 2026The 20-F contains Ferroglobe's audited financial statements, revenue, earnings, and risk factors for the prior fiscal year.View earnings history Ferroglobe SEC Filing HistoryBrowse Ferroglobe's complete SEC filing history using the filters below. Filter by form type - 10-K, 10-Q, 8-K, Form 4, and more - or set a custom date range to find a filing. All Filing Types 10-K 10-Q 8-K 20-F 6-K 40-F 11-K 3 4 5 144 13F-HR SC 13D SC 13G DEF 14A DEFA14A S-1 S-3 S-4 S-8 F-1 424B2 425 D SD Filing Types Include Ownership Filings Exclude Ownership Filings Only Show Ownership FIlings Ownership Filings 10/24/2025 - 10/24/2026 Filing Date Filing Date From Filing Date To 1M3M6MYTD1Y2Y3Y More filters Fewer filters Done 0 Results Export DateFilerForm TypeView10/09/2026 4:02 PMFerroglobe (1639877) SubjectGrupo Villar Mir, S.A.U. (1633094) Filed byForm SCHEDULE 13G/A09/24/2026 3:01 PMFerroglobe (1639877) IssuerLopez Madrid Javier (2116814) ReportingForm 4Statement of changes in beneficial ownership of securities 09/24/2026 3:01 PMFerroglobe (1639877) IssuerVillar-Mir de Fuentes Silvia (2116270) ReportingForm 4Statement of changes in beneficial ownership of securities 08/20/2026 8:25 AMFerroglobe (1639877) IssuerGarcia Cos Muntanola Beatriz (2116273) ReportingForm 3/A08/20/2026 8:26 AMFerroglobe (1639877) IssuerGarcia Cos Muntanola Beatriz (2116273) ReportingForm 4Statement of changes in beneficial ownership of securities 08/14/2026 11:22 AMCOOPER CREEK PARTNERS MANAGEMENT LLC (1512162) Filed byFerroglobe (1639877) SubjectForm SCHEDULE 13G/A06/18/2026 7:33 AMFerroglobe (1639877) FilerForm 6-KReport of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 05/15/2026 12:12 PMCOOPER CREEK PARTNERS MANAGEMENT LLC (1512162) Filed byFerroglobe (1639877) SubjectForm SCHEDULE 13G/A05/08/2026 3:05 PMFerroglobe (1639877) FilerForm SDSpecialized Disclosure Report 05/05/2026 4:00 PMFerroglobe (1639877) FilerForm 6-KReport of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 03/26/2026 6:01 AMFerroglobe (1639877) FilerForm 20-FRegistration statement / Annual report / Transition report 03/25/2026 3:01 PMFerroglobe (1639877) IssuerLopez Madrid Javier (2116814) ReportingForm 4Statement of changes in beneficial ownership of securities 03/25/2026 3:01 PMFerroglobe (1639877) IssuerVillar-Mir de Fuentes Silvia (2116270) ReportingForm 4Statement of changes in beneficial ownership of securities 03/18/2026 6:04 PMCROCKETT BRUCE LARMOUR (1208755) ReportingFerroglobe (1639877) IssuerForm 3Initial statement of beneficial ownership of securities 03/18/2026 4:28 PMFerroglobe (1639877) IssuerVillalonga Morenes Maria Belen (2116271) ReportingForm 3Initial statement of beneficial ownership of securities 03/18/2026 4:28 PMDE SANTIS NICOLAS (1254794) ReportingFerroglobe (1639877) IssuerForm 3Initial statement of beneficial ownership of securities 03/18/2026 4:28 PMFerroglobe (1639877) IssuerLevi Marco (1703841) ReportingForm 3Initial statement of beneficial ownership of securities 02/17/2026 1:07 PMCOOPER CREEK PARTNERS MANAGEMENT LLC (1512162) Filed byFerroglobe (1639877) SubjectForm SCHEDULE 13G/A11/05/2025 3:59 PMFerroglobe (1639877) FilerForm 6-KReport of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 (Data available from 1/1/2016 forward) Ferroglobe SEC Filings - Frequently Asked Questions How many times has Ferroglobe filed with the SEC? Ferroglobe (GSM) has submitted 134+ filings to the SEC since 2017. You can browse the complete history or filter by form type using the tools above. When does Ferroglobe typically file its annual 10-K? Ferroglobe's fiscal year ends on December 31. The company typically files its 10-K annual report by the end of February, covering the prior fiscal year's financial results. What was Ferroglobe's most recent SEC filing? The most recent filing was a Form SCHEDULE 13G/A submitted on October 9, 2026. View the full filing using the link above. SEC Filing Types: 10-K, 10-Q, 8-K and More What are SEC filings and why do they matter to investors? SEC filings are legally required disclosures that public companies submit to the U.S. Securities and Exchange Commission. Unlike press releases or earnings call transcripts, these documents are filed under legal obligation — meaning the financial data they contain is audited, standardized, and subject to penalties if materially false. For investors, that makes SEC filings the most reliable primary source available for evaluating a company's true financial position. Are SEC filings public information? Yes. All SEC filings are publicly available through the SEC's EDGAR database and on financial research platforms like MarketBeat. Companies are required by law to make these disclosures accessible to all investors — meaning retail investors have access to the same source documents as institutional analysts. What is the difference between a 10-K and a 10-Q? A 10-K is an annual report containing audited financial statements and a full review of the company's business — it is the most comprehensive filing a company makes each year. A 10-Q is a shorter, unaudited quarterly update filed three times per year between annual reports. Investors typically use the 10-K for deep fundamental analysis and the 10-Q to track whether the company is on pace with its guidance mid-year. What is a 10-K annual report? The most important filing for fundamental investors. Filed once per year, the 10-K contains audited financial statements, revenue and earnings trends, debt obligations, risk factors, and management's own assessment of the business. Reading the risk factors section and comparing year-over-year financials can reveal issues that don't show up in analyst summaries. What is a 10-Q quarterly report? An unaudited financial update filed three times per year (the 10-K covers Q4). Investors use 10-Qs to track whether guidance is on pace, monitor changes in cash flow or inventory, and catch any mid-year shifts in business conditions before they become headline news. What is an 8-K current report? Filed within four business days of a material event — earnings releases, merger announcements, executive departures, or major asset sales. Because 8-Ks are filed before media coverage catches up, they are often the fastest way to get unfiltered information directly from the company on market-moving events. What is a Form 4 insider ownership filing? Filed within two business days whenever an executive or director buys or sells company stock. Insider purchases — especially large or clustered buys — are often interpreted as a signal of management confidence. Insider selling is more ambiguous but worth monitoring for patterns, particularly around lock-up expirations or ahead of major announcements. 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