Sec Form 4 Filing - Boggs Catherine J @ HECLA MINING CO/DE/ - 2025-10-01

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Boggs Catherine J 2. Issuer Name and Ticker or Trading Symbol HECLA MINING CO/DE/ [ HL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 6500 N MINERAL DR., SUITE 200 3. Date of Earliest Transaction (MM/DD/YY) 10/01/2025 (Street) COEUR D'ALENE, ID83815 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 10/01/2025 J 7,406 ( 1 ) A $ 0 249,972 ( 2 ) D Common Stock 10/01/2025 J 6,253 ( 3 ) A $ 0 256,225 ( 4 ) D Common Stock 10/01/2025 J 13,659 ( 5 ) D $ 0 109,449 ( 6 ) I Held in EQ trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Boggs Catherine J 6500 N MINERAL DR., SUITE 200 COEUR D'ALENE, ID83815 X Signatures Tami D. Whitman, Attorney-in-Fact for Catherine J. Boggs 10/01/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )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. ( 2 )Total number of shares held directly by Ms. Boggs. ( 3 )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. ( 4 )Total number of shares held directly by Ms. Boggs. ( 5 )Total number of shares distributed from Directors Stock Plan trust held by EQ to Ms. Boggs to be held directly. ( 6 )Total number of shares held by EQ under the Directors Stock Plan trust.

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