SEC Insider Transactions from Sienko David C.

Last updated: 2026-03-16 13:00 UTC | Total transactions: 42

Sienko David C, Senior VP, General Counsel and Secretary at Hecla Mining ($HL), sold about $4 million worth of shares in one open market transaction on December 17, 2025. His sales rank 2245th among 11,678 insiders over the last year, trailing the average of $8.6 million across 6.4 transactions. No open market purchases recorded.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 2, 2026 HECLA MINING CO/DE/ $HL Sienko David C S. Vice President, GC & Secy. M Common Stock 23881 $0.00 777,268.0000 671,938,000 3.17% 0.00%
March 2, 2026 HECLA MINING CO/DE/ $HL Sienko David C S. Vice President, GC & Secy. M Performance rights 23881 $0.00 115,634.0000 671,938,000 26.03% 0.00%
March 2, 2026 HECLA MINING CO/DE/ $HL Sienko David C S. Vice President, GC & Secy. F Common Stock 7294 $24.63 769,974.0000 671,938,000 0.94% 0.00%
Dec. 17, 2025 HECLA MINING CO/DE/ $HL Sienko David C Sr. VP, GC & Secretary S Common Stock 207553 $19.42 922,657.0000 671,938,000 18.36% 0.03%
Dec. 18, 2025 HECLA MINING CO/DE/ $HL Sienko David C Sr. VP, GC & Secretary J Common Stock 16287 $0.00 922,657.0000 671,938,000 1.80% 0.00%
June 23, 2025 HECLA MINING CO/DE/ $HL Sienko David C Sr. VP, GC & Secretary A Performance rights 60137 $0.00 1,113,923.0000 622,535,000 5.71% 0.01%
June 23, 2025 HECLA MINING CO/DE/ $HL Sienko David C Sr. VP, GC & Secretary F Common Stock 13768 $5.82 1,129,181.0000 622,535,000 1.20% 0.00%
June 23, 2025 HECLA MINING CO/DE/ $HL Sienko David C Sr. VP, GC & Secretary A Common Stock 60137 $5.82 1,129,181.0000 622,535,000 5.63% 0.01%
June 23, 2025 HECLA MINING CO/DE/ $HL Sienko David C Sr. VP, GC & Secretary J Common Stock 15258 $0.00 1,129,181.0000 622,535,000 1.37% 0.00%
June 23, 2025 HECLA MINING CO/DE/ $HL Sienko David C Sr. VP, GC & Secretary J Common Stock 15258 $0.00 1,130,879.0000 622,535,000 1.37% 0.00%
June 23, 2025 HECLA MINING CO/DE/ $HL Sienko David C Sr. VP, GC & Secretary A Performance rights 60137 $0.00 1,115,621.0000 622,535,000 5.70% 0.01%
June 23, 2025 HECLA MINING CO/DE/ $HL Sienko David C Sr. VP, GC & Secretary A Common Stock 60137 $5.82 1,130,879.0000 622,535,000 5.62% 0.01%
June 23, 2025 HECLA MINING CO/DE/ $HL Sienko David C Sr. VP, GC & Secretary F Common Stock 13768 $5.82 1,130,879.0000 622,535,000 1.20% 0.00%
June 23, 2025 HECLA MINING CO/DE/ $HL Sienko David C Sr. VP, GC & Secretary J Common Stock 15258 $0.00 1,130,879.0000 622,535,000 1.37% 0.00%
June 23, 2025 HECLA MINING CO/DE/ $HL Sienko David C Sr. VP, GC & Secretary F Common Stock 13768 $5.82 1,130,879.0000 622,535,000 1.20% 0.00%
June 23, 2025 HECLA MINING CO/DE/ $HL Sienko David C Sr. VP, GC & Secretary A Common Stock 60137 $5.82 1,130,879.0000 622,535,000 5.62% 0.01%
June 23, 2025 HECLA MINING CO/DE/ $HL Sienko David C Sr. VP, GC & Secretary A Performance rights 60137 $0.00 1,115,621.0000 622,535,000 5.70% 0.01%
Feb. 24, 2025 HECLA MINING CO/DE/ $HL Sienko David C VP - General Counsel & Secy. A Common Stock 45501 $0.00 951,682.0000 622,535,000 5.02% 0.01%
Feb. 26, 2025 HECLA MINING CO/DE/ $HL Sienko David C VP - General Counsel & Secy. S Common Stock 21826 $5.18 929,856.0000 622,535,000 2.29% 0.00%
Feb. 24, 2025 HECLA MINING CO/DE/ $HL Sienko David C VP - General Counsel & Secy. J Common Stock 15258 $0.00 929,856.0000 622,535,000 1.67% 0.00%
Aug. 20, 2024 HECLA MINING CO/DE/ $HL Sienko David C SR. VP - General Counsel A Performance rigts 5092 $0.00 1,006,307.0000 605,668,000 0.51% 0.00%
Aug. 20, 2024 HECLA MINING CO/DE/ $HL Sienko David C SR. VP - General Counsel A Common Stock 5092 $6.01 1,006,307.0000 605,668,000 0.51% 0.00%
Aug. 20, 2024 HECLA MINING CO/DE/ $HL Sienko David C SR. VP - General Counsel J Common Stock 13351 $0.00 13,351.0000 605,668,000 9999.99% 0.00%
June 21, 2024 HECLA MINING CO/DE/ $HL Sienko David C VP - General Counsel J Common Stock 12390 $0.00 1,008,513.0000 605,668,000 1.24% 0.00%
June 25, 2024 HECLA MINING CO/DE/ $HL Sienko David C VP - General Counsel S Common Stock 14559 $4.91 1,008,513.0000 605,668,000 1.42% 0.00%
June 21, 2024 HECLA MINING CO/DE/ $HL Sienko David C VP - General Counsel A Common Stock 60479 $5.17 1,008,513.0000 605,668,000 6.38% 0.01%
June 21, 2024 HECLA MINING CO/DE/ $HL Sienko David C VP - General Counsel A Performance rights 60479 $0.00 996,123.0000 605,668,000 6.46% 0.01%
March 18, 2024 HECLA MINING CO/DE/ $HL Sienko David C VP & General Counsel A Common Stock 39020 $0.00 892,522.0000 605,668,000 4.57% 0.01%
March 18, 2024 HECLA MINING CO/DE/ $HL Sienko David C VP & General Counsel A Common Stock 38007 $0.00 853,502.0000 605,668,000 4.66% 0.01%
March 18, 2024 HECLA MINING CO/DE/ $HL Sienko David C VP & General Counsel F Common Stock 52638 $0.00 839,884.0000 605,668,000 5.90% 0.01%
Feb. 26, 2024 HECLA MINING CO/DE/ $HL Sienko David C VP - General Counsel J Common Stock 11435 $0.00 826,930.0000 605,668,000 1.40% 0.00%
Feb. 26, 2024 HECLA MINING CO/DE/ $HL Sienko David C VP - General Counsel M Performance rights 12690 $0.00 49,840.0000 605,668,000 34.16% 0.00%
Feb. 26, 2024 HECLA MINING CO/DE/ $HL Sienko David C VP - General Counsel F Common Stock 10912 $3.54 826,930.0000 605,668,000 1.30% 0.00%
Feb. 26, 2024 HECLA MINING CO/DE/ $HL Sienko David C VP - General Counsel M Common Stock 22208 $0.00 837,842.0000 605,668,000 2.72% 0.00%
June 21, 2023 HECLA MINING CO/DE/ $HL Sienko David C VP & General Counsel A Performance rights 23881 $0.00 866,729.0000 557,344,000 2.83% 0.00%
June 21, 2023 HECLA MINING CO/DE/ $HL Sienko David C VP & General Counsel F Common Stock 15888 $0.00 874,366.0000 557,344,000 1.78% 0.00%
June 21, 2023 HECLA MINING CO/DE/ $HL Sienko David C VP & General Counsel A Common Stock 35350 $5.05 874,366.0000 557,344,000 4.21% 0.01%
June 21, 2023 HECLA MINING CO/DE/ $HL Sienko David C VP & General Counsel J Common Stock 7637 $0.00 874,366.0000 557,344,000 0.88% 0.00%
Feb. 24, 2023 HECLA MINING CO/DE/ $HL Sienko David C VP & General Counsel F Common Stock 30782 $4.98 791,532.0000 557,344,000 3.74% 0.01%
Feb. 24, 2023 HECLA MINING CO/DE/ $HL Sienko David C VP & General Counsel M Common Stock 66006 $0.00 822,314.0000 557,344,000 8.73% 0.01%
Feb. 27, 2023 HECLA MINING CO/DE/ $HL Sienko David C VP & General Counsel J Common Stock 6795 $0.00 791,532.0000 557,344,000 0.87% 0.00%
Feb. 24, 2023 HECLA MINING CO/DE/ $HL Sienko David C VP & General Counsel M Performance rights 33003 $0.00 38,649.0000 557,344,000 584.54% 0.01%