Skip to contentSienko David C — HECLA MINING CO/DE/ insider: 126 transactions · InsiderLensInsider trading activity of Sienko David C
- Transactions on record
- 126
- since May 6, 2010
- Open-market buys
- 0
- Open-market sells
- 7
- $5.5M
- Companies traded
- 1
- last filing Jun 24, 2026
Figures computed from official regulatory filings — methodology.
Companies where Sienko David C has traded
Track record of Sienko David C
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of Sienko David C
Co-insiders of Sienko David C
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Bowles John HenryHECLA MINING CO/DE/
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Jun 24, 2026 | Other | -23,973 | 15.98 USD | — | SEC |
| Jun 24, 2026 | Award | 22,724 | 15.98 USD | — | SEC |
| Jun 24, 2026 | AwardD | 22,724 | 0.00 USD | — | SEC |
| Jun 24, 2026 | Other | 17,354 | 0.00 USD | — | SEC |
| Mar 4, 2026 | Exercise | 23,881 | 0.00 USD | $0 | SEC |
| Mar 4, 2026 | Other | -7,294 | 24.63 USD | $179.7K | SEC |
| Mar 4, 2026 | ExerciseD | 23,881 | 0.00 USD | $0 | SEC |
| Dec 19, 2025 | Other | 16,287 | 0.00 USD | $0 | SEC |
| Dec 19, 2025 | Sell | -207,553 | 19.42 USD | $4M | SEC |
| Jul 1, 2025 | Award | 60,137 | 5.82 USD | $350K | SEC |
| Jul 1, 2025 | AwardD | 60,137 | 0.00 USD | $0 | SEC |
| Jul 1, 2025 | Other | 15,258 | 0.00 USD | $0 | SEC |
| Jul 1, 2025 | Other | -13,768 | 5.82 USD | $80.1K | SEC |
| Jun 26, 2025 | Award | 60,137 | 5.82 USD | $350K | SEC |
| Jun 26, 2025 | Other | 15,258 | 0.00 USD | $0 | SEC |
| Jun 26, 2025 | AwardD | 60,137 | 0.00 USD | $0 | SEC |
| Jun 26, 2025 | Other | -13,768 | 5.82 USD | $80.1K | SEC |
| Jun 25, 2025 | Award | 60,137 | 5.82 USD | $350K | SEC |
| Jun 25, 2025 | Other | -13,768 | 5.82 USD | $80.1K | SEC |
| Jun 25, 2025 | Other | 15,258 | 0.00 USD | $0 | SEC |
| Jun 25, 2025 | AwardD | 60,137 | 0.00 USD | $0 | SEC |
| Feb 26, 2025 | Award | 45,501 | 0.00 USD | $0 | SEC |
| Feb 26, 2025 | Sell | -21,826 | 5.18 USD | $113.1K | SEC |
| Feb 26, 2025 | Other | 15,258 | 0.00 USD | $0 | SEC |
| Aug 22, 2024 | Award | 5,092 | 6.01 USD | $30.6K | SEC |