Welcome to our dedicated page for Ero Copper SEC filings (Ticker: ERO), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Ero Copper Corp. filings document a Canadian mining issuer that reports to the SEC primarily through Form 6-K submissions as a Form 40-F filer. The company’s regulatory documents include annual and interim management discussion and analysis, consolidated financial statements, press releases, and annual report materials covering the Caraíba Operations, Tucumã Operation, Xavantina Operations, and the Furnas Copper-Gold Project.
Filings also disclose mine operating reviews, liquidity and capital resources, contractual obligations, capital expenditures, non-IFRS performance measures, risk and uncertainty discussions, and accounting judgments. Additional exhibits cover governance matters such as meeting notices, project technical reports, precious-metals stream arrangements, credit agreement amendments, earn-in agreements, and Modern Slavery Act reporting for the company’s operations and supply chain.
Ero Copper Corp. submitted a Form 6-K as a foreign private issuer for September 2025. The filing primarily furnishes a press release dated September 18, 2025 as Exhibit 99.1. That exhibit is also incorporated by reference into the company’s existing Form S-8 and Form F-10 registration statements.
This Schedule 13G/A reports that GMT Capital Corp. and Thomas E. Claugus beneficially own 7,467,055 shares of Ero Copper Corp. common stock, representing 7.21% of the outstanding class based on 103,572,066 shares. The disclosed position is held through managed funds and certain sub-advisory and separate account clients consolidated as the Managed Funds and Accounts.
The filing identifies GMT Capital as the reporting investment adviser (type IA) and Mr. Claugus as the control person (type HC). The reporting pages show 0 sole voting or dispositive power and 7,467,055 shared voting and dispositive power. Item 10 certifies the securities were acquired and are held in the ordinary course of business and not to effect a change of control.
Ero Copper Corp. (ERO) filed a routine Form 6-K with the SEC for the month of June 2025. The filing’s sole purpose is to furnish Exhibit 99.1, a press release dated June 24 2025, which is automatically incorporated by reference into the company’s outstanding Form S-8 and Form F-10 registration statements. No financial results, operational updates, or transactional details are included in this submission. Signing authority is Executive Vice President & General Counsel Deepk Hundal.
The document confirms that Ero Copper continues to report under Form 40-F (Canadian issuer) and that the attached press release is the only substantive content. Investors must review Exhibit 99.1 directly for any material information, as the 6-K itself contains no quantitative data or forward-looking statements.