David C. Sienko - 02 Mar 2026 Form 4 Insider Report for HECLA MINING CO/DE/ (HL)

Role: S. Vice President, GC & Secy.
Signature: Tami D. Whitman, Attorney-in-Fact for David C. Sienko
Issuer symbol: HL
Transactions as of: 02 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 04 Mar 2026, 18:58:23 UTC
Previous filing: 19 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Sienko David C	S. Vice President, GC & Secy.	6500 N. MINERAL DRIVE, SUITE 200, COEUR D'ALENE	Tami D. Whitman, Attorney-in-Fact for David C. Sienko	04 Mar 2026	0001481905

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HL	Common Stock	Options Exercise		+23,881	+3.2%	$0.000000^*	777,268	02 Mar 2026	Direct	F4, F5
transaction	HL	Common Stock	Tax liability		-7,294	-0.94%	$24.63^*	769,974	02 Mar 2026	Direct	F6, F7

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	HL	Performance rights	Options Exercise		+23,881	+26%	$0.000000^*	115,634	02 Mar 2026	Common Stock	23,881	$0.000000	Direct	F1, F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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.