Sienko David C — SEC Form 4 filings
SEC reporting owner CIK 1481905. 12 Form 4 filings on record with FilingPulse; latest filed 2026-06-24.
Transaction summary — filings shown
Covers all 12 filings on record, filed 2024-02-28 to 2026-06-24. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 3 legs across 3 filings — 243,938 shares, $4,215,150 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 38.
- Largest priced transaction: sale of 207,553 shares @ $19.42 ($4,030,679) in HECLA MINING CO/DE/, filed 2025-12-19.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| HECLA MINING CO/DE/ (HL) | Sr. VP, GC & Secretary | 11 | — | 3 legs · 243,938 sh · $4,215,150 | 35 |
| Hecla Ltd (HL) | SR. VP & General Counsel | 1 | — | — | 3 |
Form 4 filings — Sienko David C
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-24 | 4 | HECLA MINING CO/DE/ (HL) | Tax withholding (F): 23,973 @ $15.98 · Grant/award (A): 22,724 @ $15.98 · Other (J): 17,354 @ $0 · Grant/award (A): 22,724 (derivative) @ $0 | EDGAR |
| 2026-03-04 | 4 | HECLA MINING CO/DE/ (HL) | Option exercise (M): 23,881 @ $0 · Tax withholding (F): 7,294 @ $24.63 · Option exercise (M): 23,881 (derivative) @ $0 | EDGAR |
| 2025-12-19 | 4 | HECLA MINING CO/DE/ (HL) | Sale (S): 207,553 @ $19.42 · Other (J): 16,287 @ $0 | EDGAR |
| 2025-07-01 | 4/A | HECLA MINING CO/DE/ (HL) | Tax withholding (F): 13,768 @ $5.82 · Grant/award (A): 60,137 @ $5.82 · Other (J): 15,258 @ $0 · Grant/award (A): 60,137 (derivative) @ $0 | EDGAR |
| 2025-06-26 | 4/A | HECLA MINING CO/DE/ (HL) | Tax withholding (F): 13,768 @ $5.82 · Grant/award (A): 60,137 @ $5.82 · Other (J): 15,258 @ $0 · Grant/award (A): 60,137 (derivative) @ $0 | EDGAR |
| 2025-06-25 | 4 | HECLA MINING CO/DE/ (HL) | Tax withholding (F): 13,768 @ $5.82 · Grant/award (A): 60,137 @ $5.82 · Other (J): 15,258 @ $0 · Grant/award (A): 60,137 (derivative) @ $0 | EDGAR |
| 2025-02-26 | 4 | HECLA MINING CO/DE/ (HL) | Grant/award (A): 45,501 @ $0 · Sale (S): 21,826 @ $5.18 · Other (J): 15,258 @ $0 | EDGAR |
| 2024-08-22 | 4 | HECLA MINING CO/DE/ (HL) | Grant/award (A): 5,092 @ $6.01 · Other (J): 13,351 @ $0 · Grant/award (A): 5,092 (derivative) @ $0 | EDGAR |
| 2024-08-21 | 4 | Hecla Ltd (HL) | Grant/award (A): 5,092 @ $6.01 · Other (J): 13,351 @ $0 · Grant/award (A): 5,092 (derivative) @ $0 | EDGAR |
| 2024-06-25 | 4 | HECLA MINING CO/DE/ (HL) | Sale (S): 14,559 @ $4.91 · Grant/award (A): 60,479 @ $5.17 · Other (J): 12,390 @ $0 · Grant/award (A): 60,479 (derivative) @ $0 | EDGAR |
| 2024-03-18 | 4 | HECLA MINING CO/DE/ (HL) | Grant/award (A): 38,007 @ $0 · Grant/award (A): 39,020 @ $0 · Tax withholding (F): 52,638 @ $0 | EDGAR |
| 2024-02-28 | 4 | HECLA MINING CO/DE/ (HL) | Option exercise (M): 22,208 @ $0 · Tax withholding (F): 10,912 @ $3.54 · Other (J): 11,435 @ $0 · Option exercise (M): 12,690 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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