Aguiar Rodriguez Carlos Roberto 4

4 · HECLA MINING CO/DE/ · Filed Jun 25, 2025

Form 4

Period: 2025-06-23

Sr. Vice President & COO

Transactions

Other
Common Stock
2025-06-23+10,035→ 10,035 total(indirect: By 401(k))
Award
Common Stock
2025-06-23$5.82/sh+65,399$380,622→ 327,462 total
Tax Payment
Common Stock
2025-06-23$5.82/sh−10,150$59,073→ 327,462 total
Award
Performance rights
2025-06-23+65,399→ 327,462 total
Exercise: $0.00From: 2028-01-01Exp: 2028-01-01→ Common Stock (65,399 underlying)

Footnotes (7)

[F1]Mr. Aguiar was awarded (i) 15,048 restricted stock units on June 21, 2022; 31,977 restricted stock units on August 7, 2023; and 48,138 restricted stock units on June 21, 2024. One-third of those restricted stock units vested on June 23, 2025. to cover his tax liability on those vested units, Hecla Mining Company withheld 10,150 shares.
[F2]Consists of 84,457 shares held directly, 134,855 performance-based units, and 108,150 unvested restricted stock units.
[F3]Award of restricted stock units that vest as follows: 21,800 shares on June 21, 2026; 21,800 shares on June 21, 2027; and 21,799 shares on June 21, 2028.
[F4]See footnote 2.
[F5]Held as 838.167 units in Mr. Aguiar's 401(k) account under the Hecla Mining Company Capital Accumulation Plan and estimated to be 10,035 shares.
[F6]Mr. Aguiar was awarded performance rights representing the contingent right to receive between #380,625 and $761,250 worth of Hecla Mining Company common stock based on Hecla Mining Company's Total Shareholder Return performance over the 3-year period (January 1, 2025 to December 31, 2027) relative to our peers. Examples of the potential grant of shares to Mr. Aguiar under this plan are as follows: 100th percentile rank among peers = maximum award at 200% of target ($761,250 in stock); 50th percentile rank among peers = target award at grant value ($380,625), and 0 percentile rank among peers = threshold award below 25% or target.
[F7]See footnote 2.

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