Insider Transaction Report for David C. Sienko

David C. Sienko, Sr. VP, GC & Secretary of HECLA MINING CO/DE/, reported several transactions on June 22, 2026. He disposed of 23,973 shares of Common Stock (valued at $15.98 per share) to cover tax liabilities related to vested restricted stock units, as detailed in footnote 1. Concurrently, he acquired 22,724 shares of Common Stock at $15.98 per share. Additionally, Mr. Sienko acquired 17,354 shares of Common Stock held in his 401(k) Plan. He also acquired 22,724 performance rights, with the underlying security being Common Stock. Following these transactions, Mr. Sienko holds 934,511 shares of Common Stock directly and 17,354 shares in his 401(k) Plan.