Sienko David C

Hecla Mining Company Common Stock · S. Vice President

Sienko David C is listed in public filings as officer: S. Vice President, GC & Secy.. This Sienko David C insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Hecla Mining Company Common Stock (HL). Investors use Sienko David C's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

Company	Holding Value	Last Transaction	Amount	Transaction Price	Current Price
Hecla Mining Company Common StockHL	--115.6k shares	Grant / ExerciseMar 2, 2026	Disclosure amount unavailable23.9k shares	--	--
Hecla Mining Company Common StockHL	$19M770k shares	Grant / ExerciseMar 2, 2026	$179.7K7.3k shares	$24.63	--

Insider Trades History

Company	Holding Value	Last Transaction	Amount	Transaction Price	Current Price
Hecla Mining Company Common StockHL	--16.3k shares	OtherDec 18, 2025	Disclosure amount unavailable16.3k shares	--	--
Hecla Mining Company Common StockHL	$18M906.4k shares	SellDec 17, 2025	$4.0M207.6k shares	$19.42	--
Hecla Mining Company Common StockHL	$6.5M1.1M shares	Grant / ExerciseJun 23, 2025	$350.0K60.1k shares	$5.82	--
Hecla Mining Company Common StockHL	$6.5M1.1M shares	Grant / ExerciseJun 23, 2025	$350.0K60.1k shares	$5.82	--
Hecla Mining Company Common StockHL	--15.3k shares	OtherJun 23, 2025	Disclosure amount unavailable15.3k shares	--	--
Hecla Mining Company Common StockHL	--1.1M shares	Grant / ExerciseJun 23, 2025	Disclosure amount unavailable60.1k shares	--	--
Hecla Mining Company Common StockHL	--1.1M shares	Grant / ExerciseJun 23, 2025	Disclosure amount unavailable60.1k shares	--	--
Hecla Mining Company Common StockHL	$6.5M1.1M shares	Grant / ExerciseJun 23, 2025	$80.1K13.8k shares	$5.82	--
Hecla Mining Company Common StockHL	$6.5M1.1M shares	Grant / ExerciseJun 23, 2025	$80.1K13.8k shares	$5.82	--
Hecla Mining Company Common StockHL	$4.7M914.6k shares	SellFeb 26, 2025	$113.1K21.8k shares	$5.18	--
Hecla Mining Company Common StockHL	--15.3k shares	OtherFeb 24, 2025	Disclosure amount unavailable15.3k shares	--	--
Hecla Mining Company Common StockHL	--936.4k shares	Grant / ExerciseFeb 24, 2025	Disclosure amount unavailable45.5k shares	--	--
Hecla Mining Company Common StockHL	--13.4k shares	OtherAug 20, 2024	Disclosure amount unavailable13.4k shares	--	--
Hecla Mining Company Common StockHL	--1M shares	Grant / ExerciseAug 20, 2024	Disclosure amount unavailable5.1k shares	--	--
Hecla Mining Company Common StockHL	$6.0M1M shares	Grant / ExerciseAug 20, 2024	$30.6K5.1k shares	$6.01	--
Hecla Mining Company Common StockHL	$4.9M996.1k shares	SellJun 25, 2024	$71.4K14.6k shares	$4.91	--
Hecla Mining Company Common StockHL	$5.1M996.1k shares	Grant / ExerciseJun 21, 2024	$312.7K60.5k shares	$5.17	--
Hecla Mining Company Common StockHL	--12.4k shares	OtherJun 21, 2024	Disclosure amount unavailable12.4k shares	--	--
Hecla Mining Company Common StockHL	--996.1k shares	Grant / ExerciseJun 21, 2024	Disclosure amount unavailable60.5k shares	--	--