Sec Form 4 Filing - Sienko David C @ HECLA MINING CO/DE/ - 2023-06-21

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 Sienko David C 2. Issuer Name and Ticker or Trading Symbol HECLA MINING CO/DE/ [ HL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) VP & General Counsel (Last) (First) (Middle) 6500 N. MINERAL DRIVE, SUITE 200 3. Date of Earliest Transaction (MM/DD/YY) 06/21/2023 (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 06/21/2023 F 15,888 ( 1 ) D $ 0 866,729 ( 2 ) D Common Stock 06/21/2023 A 35,350 ( 3 ) A $ 5.05 866,729 ( 4 ) D Common Stock 06/21/2023 J 7,637 ( 5 ) A $ 0 7,637 I Held in 401(k) Plan Account

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 Performance rights $ 0 06/21/2023 A 23,881 ( 6 ) 01/01/2026 01/01/2026 Common Stock 23,881 $ 0 866,729 ( 7 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Sienko David C 6500 N. MINERAL DRIVE, SUITE 200 COEUR D'ALENE, ID83815 VP & General Counsel Signatures Tami D. Whitman, Attorney-in-Fact for David C. Sienko 06/23/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Mr. Sienko was awarded (i) 49,505 restricted stock units on June 22, 2020, (ii) 19,036 restricted stock units on June 21, 2021, and (iii) 38,374 restricted stock units on June 21, 2022. The restrictions lapsed on 1/3 of those vesting units (35,638 shares). Mr. Sienko elected to have Hecla Mining Company withhold 15,888 shares to cover his tax liability. ( 2 )Consists of 736,922 shares held directly, 62,530 performance-based shares, and 67,277 unvested restricted stock units. ( 3 )Award of restricted stock units that vest as follows: 11,784 shares on June 21, 2024, 11,783 shares on June 21, 2025, and 11,783 shares on June 21, 2026. ( 4 )See footnote 2. ( 5 )Held as 636.418 units in Mr. Sienko's 401(k) account under the Hecla Mining Company Capital Accumulation Plan, and estimated to be 7,637 shares. ( 6 )Mr. Sienko was awarded performance rights representing the contingent right to receive between $60,300 and $241,200 worth of Hecla Mining Company common stock based on Hecla Mining Company's Total Shareholder Return performance over the 3-year period (January 1, 2023 to December 31, 2025) relative to our peers. Examples of the potential grant of shares to Mr. Sienko under this plan are as follows: 100th percentile rank among peers = maximum award at 200% of target ($241,200 in stock); 40th and 60th percentile rank among peers = target award at grant value ($120,600 in stock); and 25th percentile rank among peers = threshold award at 50% of target ($60,300 in stock). ( 7 )See footnote 2.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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