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Director's Dealing 2025

Dec 19, 2025

30738_dirs_2025-12-19_9b01215f-d6c7-4ec1-83ff-e00330d4845d.zip

Director's Dealing

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SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HECLA MINING CO/DE/ (HL)
CIK: 0000719413
Period of Report: 2025-12-17

Reporting Person: Sienko David C (Sr. VP, GC & Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-17	Common Stock	S	207553	$19.42	Disposed	906370	Direct
2025-12-18	Common Stock	J	16287	—	Acquired	16287	Indirect

Footnotes

F1: Consists of 637,753 shares held directly, 149,589 unvested performance-based stock units, and 119,028 unvested restricted stock units.

F2: Held as 1,366.686 units in Mr. Sienko's 401(k) account under the Hecla Mining Company Capital Accumulation Plan and estimated to be 16,287 shares.