Sienko David C 4
4 · HECLA MINING CO/DE/ · Filed Mar 4, 2026
Insider Transaction Report
Form 4
Sienko David C
S. Vice President, GC & Secy.
Transactions
- Exercise/Conversion
Common Stock
[F4][F5]2026-03-02+23,881→ 777,268 total - Tax Payment
Common Stock
[F6][F7]2026-03-02$24.63/sh−7,294$179,651→ 769,974 total - Exercise/Conversion
Performance rights
[F1][F2][F3]2026-03-02+23,881→ 115,634 totalExercise: $0.00From: 2025-12-31Exp: 2025-12-31→ Common Stock (23,881 underlying)
Footnotes (7)
- [F1]In June 2023, 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 p4erformanc over the 3-year period (January 1, 2023 to December 31, 2025) based on the following p4ercentile rank within Hecla's pe4er group companies: 100th percentile rank among peers = maximum award at 200% of target ($241,200 in stock); 40th to 60th percentile rank among peers = target at grant value ($120,600 in stock); and 25th percentile rank among peers = threshold award at 50% of target ($60,300 in stock).
- [F2]In reporting the number of performance rights at the time of the award, Mr. Sienko assumed a target (i.e., $120,600 in stock), with the common stock valued at the closing price on the day of the award ($5.05), and therefore reported an award of 23,881 performance rights. Based on Hecla Mining Company's total shareholder return ranking, Mr. Sienko's award value was 100% and he therefore received 23,881 shares in settlement of the award (with the shares valued at the $5.05 closing price on June 21, 2023).
- [F3]Consists of outstanding performance rights.
- [F4]See footnotes (1) and (2). Shares received upon settlement of performance rights awarded in June 2023.
- [F5]Consists of 661,634 shares held directly, and 115,634 unvested restricted stock units.
- [F6]Shares withheld for tax liability on 23,881 performance rights that vested.
- [F7]Consists of 654,340 shares held directly, and 115,634 unvested restricted stock units.
Signature
Tami D. Whitman, Attorney-in-Fact for David C. Sienko|2026-03-04