Reporting person on SEC Form 4

David C Sienko

David C Sienko is Sr. VP, GC & Secretary at Hecla Mining. OQRO lists 9 transactions filed with the SEC under this name, the latest on Jun 25, 2026, each linked to the official Form 4.

Sr. VP, GC & Secretary

Disclosures on record

9

Companies involved

1

Disclosure history

Hecla MiningHL
9 disclosures · Dec 2025 – Jun 2026 · 1 sold
- Jun 22, 202623Kdisclosed Jun 25
  Details Official record
- Jun 22, 202623Kdisclosed Jun 25
  Details Official record