(HL)

Reporting relationship: Sr. VP, GC & Secretary
Issuer ticker: HL
Reported as of: 22 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 24 Jun 2026, 20:10:17 UTC
Prior SEC filing: 04 Mar 2026
Source filing: View source filing
Reporting owner signature: Tami D. Whitman, Attorney-in-Fact for David C. Sienko

Key filing fact

David C. Sienko filed Form 4 for HECLA MINING CO/DE/ (HL) on 24 Jun 2026.

Key facts

This page summarizes David C. Sienko's Form 4 filing for HECLA MINING CO/DE/ (HL).
4 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 24 Jun 2026, 20:10.

Change

Previous filing in this sequence was filed on 04 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001481905 Primary reporting owner

Sienko David C

Relationship: Sr. VP, GC & Secretary
Address: 6500 N. MINERAL DRIVE, SUITE 200, COEUR D'ALENE
Signature: Tami D. Whitman, Attorney-in-Fact for David C. Sienko
Signature date: 24 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

HL transaction

Common Stock

Tax liability

Transaction value
Shares: -23,973
Change %: -2.5%
Price: $15.98^*
Shares after: 934,511
Date: 22 Jun 2026
Ownership: Direct
Footnotes: F1, F2

HL transaction

Common Stock

Award

Transaction value
Shares: +22,724
Change %: +2.5%
Price: $15.98^*
Shares after: 934,511
Date: 22 Jun 2026
Ownership: Direct
Footnotes: F3, F4

HL transaction

Common Stock

Other

Transaction value
Shares: +17,354
Change %
Price: $0.000000^*
Shares after: 17,354
Date: 22 Jun 2026
Ownership: Held in 401(k) Plan
Footnotes: F5

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

HL transaction Derivative

Performance rights

Award

Transaction value
Shares: +22,724
Change %: +2.5%
Price: $0.000000^*
Shares after: 934,511
Date: 22 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 22,724
Exercise price: $0.000000
Footnotes: F6, F7

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 7 footnotes

Footnote F1

Mr. Sienko was awarded 35,350 restricted stock units on June 21, 2023, 60,479 restricted stock units on June 21, 2024, 5,902 restricted stock units on August 20, 2024, and 60,137 restricted stock units on June 23, 2025. One-third of those restricted stock units vested on June 22, 2026. To cover his tax liability on those vested units, Hecla Mining Company withheld 23,973 shares.

Footnote F2

Consists of 684,053 shares held directly, 17,354 shares in 401(k)Plan, 148,432 performance-based rights, and 84,672 unvested restricted stock units.

Footnote F3

Award of restricted stock units that vest as follows: 7,575 shares on June 21, 2027, 7,575 shares on June 21, 2028, and 7,574 shares on June 21, 2029.

Footnote F4

See footnote 2.

Footnote F5

Held as 1,451.345 units in Mr. Sienko's 401(k) account under the Hecla Mining Company Capital Accumulation Plan and estimated to be 17,354 shares.

Footnote F6

Mr. Sienko was awarded performance rights representing the contingent right to receive between $363,125 and $726,250 worth of Hecla Mining Company common stock based on Hecla Mining Company's total Shareholder Return performance over the 3-year period (January 1, 2026 to December 31, 2028) 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 ($726,250 in stock); 50th percentile rank among peers = target award at grant value ($363,125 in stock), and 0 percentile rank among peers = threshold award below 25% target.

Footnote F7

See footnote 2.