David C. Sienko serves as Executive at HECLA MINING CO/DE/, where they oversee executive responsibilities. Since joining the company, David C. Sienko has executed 92 insider transactions totaling $5.4M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 18, 2025 involved transacting 16,287 shares valued at $0.
David C. Sienko currently holds 16,287 shares of HECLA MINING CO/DE/ (HL), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, David C. Sienko has been a net seller of HL stock. They have purchased $0 and sold $5.4M worth of shares.
David C. Sienko's most recent insider trade was on Dec 18, 2025, when they sold 16,287 shares at $0.00 per share.
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| $19.42 |
| Discretionary |
| Jun 23, 2025 | HL | $80.1K | Payment | 13,768 | $5.82 | Discretionary |
| Jun 23, 2025 | HL | $350.0K | Award | 60,137 | $5.82 | Discretionary |
| Jun 23, 2025 | HL | $0 | Other | 15,258 | $N/A | Discretionary |
| Aug 20, 2024 | HL | $0 | Other | 13,351 | $N/A | Discretionary |
| Aug 20, 2024 | HL | $30.6K | Award | 5,092 | $6.01 | Discretionary |
| Aug 20, 2024 | HL | $30.6K | Award | 5,092 | $6.01 | Discretionary |
| Aug 20, 2024 | HL | $0 | Other | 13,351 | $N/A | Discretionary |
| Jun 25, 2024 | HL | $71.5K | Sale | 14,559 | $4.91 | Discretionary |
| Jun 21, 2024 | HL | $312.7K | Award | 60,479 | $5.17 | Discretionary |
| Jun 21, 2024 | HL | $0 | Other | 12,390 | $N/A | Discretionary |
| Mar 18, 2024 | HL | $0 | Award | 39,020 | $N/A | Discretionary |
| Mar 18, 2024 | HL | $0 | Payment | 52,638 | $N/A | Discretionary |
| Mar 18, 2024 | HL | $0 | Award | 38,007 | $N/A | Discretionary |
| Feb 26, 2024 | HL | $0 | Other | 11,435 | $N/A | Discretionary |
| Feb 26, 2024 | HL | $0 | Option Exercise | 22,208 | $N/A | Discretionary |
| Feb 26, 2024 | HL | $38.6K | Payment | 10,912 | $3.54 | Discretionary |
| Jun 21, 2023 | HL | $0 | Other | 7,637 | $N/A | Discretionary |
| Jun 21, 2023 | HL | $0 | Payment | 15,888 | $N/A | Discretionary |
| Jun 21, 2023 | HL | $178.5K | Award | 35,350 | $5.05 | Discretionary |
| Feb 27, 2023 | HL | $0 | Other | 6,795 | $N/A | Discretionary |
| Feb 24, 2023 | HL | $153.3K | Payment | 30,782 | $4.98 | Discretionary |
| Feb 24, 2023 | HL | $0 | Option Exercise | 66,006 | $N/A | Discretionary |
| Jun 21, 2022 | HL | $170.0K | Award | 38,374 | $4.43 | Discretionary |
| Jun 21, 2022 | HL | $0 | Other | 4,191 | $N/A | Discretionary |
| Jun 21, 2022 | HL | $0 | Payment | 22,976 | $N/A | Discretionary |
| Jun 21, 2022 | HL | $0 | Payment | 22,976 | $N/A | Discretionary |
| Jun 21, 2022 | HL | $0 | Other | 4,191 | $N/A | Discretionary |
| Jun 21, 2022 | HL | $170.0K | Award | 38,374 | $4.43 | Discretionary |