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Sienko David C

SEC insider (Form 3/4/5 filer). CIK 0001481905. Sr. VP, GC & Secretary at HECLA MINING CO/DE/ (HL). 13 reported Form 4/5 transactions since Sep 2024; latest on Jun 22, 2026. Located in COEUR D'ALENE, ID.

Companies Sienko David C has filed insider reports for

  • HECLA MINING CO/DE/ (HL): Officer, Sr. VP, GC & Secretary
Sienko David C profile photo

Sienko David C

CIK: 0001481905

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (15.4%)

Position reduction

Option Exercises (M)1 (7.7%)

Derivative conversions

Awards (A)3 (23.1%)

Compensation grants

Other (G, F, J, C, D, …)7 (53.8%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

HECLA MINING CO/DE/ logo
HL

HECLA MINING CO/DE/

Officer

Discretionary Trading P&L

Holdings

Transaction History (13 total)

  • HECLA MINING CO/DE/ logo
    HL

    HECLA MINING CO/DE/

    Jun 22, 2026
    Other
    Indirect
    17.4K shares-
  • HECLA MINING CO/DE/ logo
    HL

    HECLA MINING CO/DE/

    Jun 22, 2026
    Award
    Direct
    22.7K shares at avg. $15.98$363K
  • HECLA MINING CO/DE/ logo
    HL

    HECLA MINING CO/DE/

    Jun 22, 2026
    Tax Payment
    Direct
    24K shares at avg. $15.98$383K
  • HECLA MINING CO/DE/ logo
    HL

    HECLA MINING CO/DE/

    Mar 2, 2026
    Exercise
    Direct
    23.9K shares-
  • HECLA MINING CO/DE/ logo
    HL

    HECLA MINING CO/DE/

    Mar 2, 2026
    Tax Payment
    Direct
    7.3K shares at avg. $24.63$180K
  • HECLA MINING CO/DE/ logo
    HL

    HECLA MINING CO/DE/

    Dec 18, 2025
    Other
    Indirect
    16.3K shares-
  • HECLA MINING CO/DE/ logo
    HL

    HECLA MINING CO/DE/

    Dec 17, 2025
    Sale
    Direct
    207.6K shares at avg. $19.42$4.0M
  • HECLA MINING CO/DE/ logo
    HL

    HECLA MINING CO/DE/

    Jun 23, 2025
    Other
    Indirect
    15.3K shares-
  • HECLA MINING CO/DE/ logo
    HL

    HECLA MINING CO/DE/

    Jun 23, 2025
    Award
    Direct
    60.1K shares at avg. $5.82$350K
  • HECLA MINING CO/DE/ logo
    HL

    HECLA MINING CO/DE/

    Jun 23, 2025
    Tax Payment
    Direct
    13.8K shares at avg. $5.82$80K

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