InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (3 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
3
T+90 hit rate
40%
T+90 mean return
-3.1%
Across 5 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the detailed record of transactions filed by Sienko David C, Avocat Général et Vice-Président. Insider active across 3 companies, notably Hecla Mining Co. In total, 18 disclosures have been published. Split: 0 buy · 3 sells. Total volume traded: €1m. Activity tracked since 17 June 2021. The latest transaction was filed on 24 February 2025 (Attribution). Regulator: SEC (Form 4). All data is free.
Declarations18 total
23,973 sharesCommon StockSEC:0001481905-26-000002:0
22,724 sharesCommon StockSEC:0001481905-26-000002:1
17,354 sharesCommon StockSEC:0001481905-26-000002:2
45,501 shares0Common StockSEC:0001481905-25-000005:0
5,092 shares@ US$6.0129.2% of flowCommon StockSEC:0001481905-24-000005:0
5,092 shares@ US$6.01100.0% of flowCommon StockSEC:0001481905-24-000004:0
14,559 shares@ US$4.90570.8% of flowCommon StockSEC:0001481905-24-000003:0
38,007 shares0Common StockSEC:0001481905-24-000002:0
22,208 shares0Common StockSEC:0001481905-24-000001:0
15,888 shares0Common StockSEC:0001481905-23-000002:0
66,006 shares0Common StockSEC:0001481905-23-000001:0
22,976 shares0Common StockSEC:0001481905-22-000003:0
22,976 shares0Common StockSEC:0001481905-22-000002:0
104,167 shares0Common StockSEC:0001481905-22-000001:0
18,425 shares0Common StockSEC:0001481905-21-000002
18,425 shares0Common StockSEC:0001481905-21-000002:0
70,000 shares@ US$7.986450.0% of flowCommon StockSEC:0001481905-21-000001
70,000 shares@ US$7.986450.0% of flowCommon StockSEC:0001481905-21-000001:0
18 of 18 declarations
About Sienko David C
David C Sienko is Vice President and General Counsel at HECLA MINING CO/DE/. He is responsible for the legal affairs and compliance of the company. His role is essential in protecting the interests of HECLA MINING CO/DE/ and ensuring compliance with applicable regulations.
