SEC EDGAR Filings04/09 11:45 UTC6-K - Electra Battery Materials CorpFiled: 2026-04-09 AccNo: 0001171843-26-002338 Size: 15 KB附件摘要1 个f6k_040826.htmHTML · 1.3k 字符Foreign Issuer Filing UpdateELBMElectra Battery Materials CorpU.S. Securities and Exchange Commission