David Sienko Biography and Net Worth

VP of Hecla Mining

David C. Sienko was appointed Corporate Secretary on February 12, 2025, and Senior Vice President-General Counsel in August 2024. Mr. Sienko served as Hecla’s Vice President and General Counsel from January 2010 to August 2024. Prior to Hecla, Mr. Sienko was a partner and practiced law with K&L Gates LLP (a law firm) and its predecessor, Bell, Boyd & Lloyd, LLP, from 2004 to January 2010, where he specialized in counseling public and private entities on compliance with securities laws and trading market rules, mergers and acquisitions, and corporate governance. Mr. Sienko was also an associate at Bell, Boyd & Lloyd, LLP from 2000 to 2004 and an associate in the Corporate and Securities Section of Locke Lord LLP (a law firm) from 1998 to 2000, as well as an attorney with the Division of Enforcement at the U.S. Securities Exchange Commission from 1995 to 1998.

What is David C. Sienko's net worth?: The estimated net worth of David C. Sienko is at least $22.14 million as of December 17th, 2025. Sienko owns 906,370 shares of Hecla Mining stock worth more than $22,140,806 as of January 12th. This net worth estimate does not reflect any other investments that Sienko may own. Additionally, Sienko receives a salary of $671,290.00 as VP at Hecla Mining. Learn More about David C. Sienko's net worth.
How old is David C. Sienko?: Sienko is currently 55 years old. There are 5 older executives and no younger executives at Hecla Mining. The oldest executive at Hecla Mining is Mr. Michael B. White, Corporate Secretary, who is 73 years old. Learn More on David C. Sienko's age.
What is David C. Sienko's salary?: As the VP of Hecla Mining Company, Sienko earns $671,290.00 per year. There are 3 executives that earn more than Sienko. The highest earning executive at Hecla Mining is Mr. Russell D. Lawlar, Senior VP & CFO, who commands a salary of $847,610.00 per year. Learn More on David C. Sienko's salary.
How do I contact David C. Sienko?: The corporate mailing address for Sienko and other Hecla Mining executives is 6500 N MINERAL DRIVE SUITE 200, COEUR D`ALENE ID, 83815-9408. Hecla Mining can also be reached via phone at (208) 769-4100 and via email at [email protected]. Learn More on David C. Sienko's contact information.
Has David C. Sienko been buying or selling shares of Hecla Mining?: David C. Sienko has not been actively trading shares of Hecla Mining during the last ninety days. Most recently, David C. Sienko sold 207,553 shares of the business's stock in a transaction on Wednesday, December 17th. The shares were sold at an average price of $19.42, for a transaction totalling $4,030,679.26. Following the completion of the sale, the vice president now directly owns 906,370 shares of the company's stock, valued at $17,601,705.40. Learn More on David C. Sienko's trading history.
Who are Hecla Mining's active insiders?: Hecla Mining's insider roster includes Stuart Absolom (VP), Carlos Aguiar (VP - Operations), Carlos Aguiar (VP - Operations), Kurt Allen (Vice President – Exploration), Catherine Boggs (Director), Robert Brown (Vice President – Corporate Development and Sustainability), Michael Clary (Senior Vice President and Chief Administrative Officer), Theodore Crumley (Director), George Johnson (Director), Robert Krcmarov (President & CEO), Russell Lawlar (CFO), and David Sienko (VP). Learn More on Hecla Mining's active insiders.
Are insiders buying or selling shares of Hecla Mining?: In the last twelve months, Hecla Mining insiders bought shares 2 times. They purchased a total of 26,570 shares worth more than $134,555.30. In the last twelve months, insiders at the basic materials company sold shares 9 times. They sold a total of 517,992 shares worth more than $8,268,208.99. The most recent insider tranaction occured on January, 6th when VP Kurt Allen sold 52,219 shares worth more than $1,144,118.29. Insiders at Hecla Mining own 1.4% of the company. Learn More about insider trades at Hecla Mining.
Information on this page was last updated on 1/6/2026.

David C. Sienko Insider Trading History at Hecla Mining

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
12/17/2025	Sell	207,553	$19.42	$4,030,679.26	906,370
6/17/2021	Sell	70,000	$7.99	$559,300.00
8/13/2020	Sell	75,000	$6.01	$450,750.00
8/26/2016	Sell	13,722	$5.85	$80,273.70

David C. Sienko Buying and Selling Activity at Hecla Mining

Hecla Mining Company Overview

Hecla Mining Company, together with its subsidiaries, provides precious and base metal properties in the United States, Canada, Japan, Korea, and China. The company mines for silver, gold, lead, and zinc concentrates, as well as carbon material containing silver and gold for custom smelters, metal traders, and third-party processors; and doré containing silver and gold. It flagship project is the Greens Creek mine located on Admiralty Island in southeast Alaska. Hecla Mining Company was incorporated in 1891 and is headquartered in Coeur d'Alene, Idaho.

Today's Range

Now: $24.43

$23.26

$24.89

50 Day Range

MA: $17.19

$11.98

$22.48

2 Week Range

Now: $24.43

$4.46

$24.89

Volume

25,559,647 shs

Average Volume

22,726,600 shs

Market Capitalization

$16.37 billion

P/E Ratio

78.80

Dividend Yield

0.07%

Beta

1.28

David Sienko Biography and Net Worth

What is David C. Sienko's net worth?

How old is David C. Sienko?

What is David C. Sienko's salary?

How do I contact David C. Sienko?

Has David C. Sienko been buying or selling shares of Hecla Mining?

Who are Hecla Mining's active insiders?

Are insiders buying or selling shares of Hecla Mining?