David C Sienko insider trades
Open-market stock purchases and sales by David C Sienko, Sr. VP, GC & Secretary at Hecla Mining Co/de/, from SEC Form 4 filings since May 5, 2010.
Recent trades
| Date | Stock | Trade | Value |
|---|---|---|---|
| Jun 22, 2026 | HL Hecla Mining Co/de/ | Sold (not open market) | $383K |
| Jun 22, 2026 | HL Hecla Mining Co/de/ | Bought (not open market) | — |
| Jun 22, 2026 | HL Hecla Mining Co/de/ | Bought (not open market) | — |
| Mar 2, 2026 | HL Hecla Mining Co/de/ | Sold (not open market) | $180K |
| Mar 2, 2026 | HL Hecla Mining Co/de/ | Bought (not open market) | — |
| Dec 18, 2025 | HL Hecla Mining Co/de/ | Bought (not open market) | — |
| Dec 17, 2025 | HL Hecla Mining Co/de/ | Sold | $4M |
Companies traded
- HL Hecla Mining Co/de/: 7 sales, last Jun 22, 2026