HECLA MINING CO/DE/ — Director's Dealing 2025

Oct 1, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HECLA MINING CO/DE/ (HL)
CIK: 0000719413
Period of Report: 2025-10-01

Reporting Person: Boggs Catherine J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-01	Common Stock	J	7406	—	Acquired	249972	Direct
2025-10-01	Common Stock	J	6253	—	Acquired	256225	Direct
2025-10-01	Common Stock	J	13659	—	Disposed	109449	Indirect

Footnotes

F1: Ms. Boggs was awarded 29,625 shares in June 2021 under the Hecla Mining Company Stock Plan for Nonemployee Directors ("Directors Stock Plan"). In December 2020, Ms. Boggs elected to defer 25% of any shares she may be awarded in 2021 into the trust held by Equiniti Trust Company ("EQ"). 7,406 shares from the June 2021 award were deferred to the trust held by EQ. Under the terms of the Directors Stock Plan, the shares are held by EQ until a director either retires, terminates from the board, death, or a date chosen at least two years from the date of grant. Ms. Boggs elected a distribution of the 7,406 shares held in the trust on October 1, 2025.

F2: Total number of shares held directly by Ms. Boggs.

F3: Ms. Boggs was awarded 25,013 shares in July 2023 under the Directors Stock Plan. In December 2022, Ms. Boggs elected to defer 25% of any shares she may be awarded in 2023 into the trust held by EQ. 6,253 shares from the July 2023 award were deferred to the trust held by EQ. Under the terms of the Directors Stock Plan, the shares are held by EQ until a director either retires, terminates from the board, death, or a date chosen at least two years from the date of grant. Ms. Boggs elected a distribution of the 6,253 shares held in the trust on October 1, 2025.

F4: Total number of shares held directly by Ms. Boggs.

F5: Total number of shares distributed from Directors Stock Plan trust held by EQ to Ms. Boggs to be held directly.

F6: Total number of shares held by EQ under the Directors Stock Plan trust.