SIENKO DAVID C

PrivateCIK: 1481905
Location

COEUR D'ALENE, ID

SIENKO DAVID C (S. Vice President, GC & Secy.) sold 18.6% of their position (207.55K shares) of HECLA MINING CO/DE/ on the open market

Open‑market sale worth $4.03M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderSIENKO DAVID CCIK 1481905
IssuerHECLA MINING CO/DE/CIK 719413
Officer· S. Vice President, GC & Secy.
Since Mar 2026
-191.27K
Net shares
Net seller
$4.03M
Total sold
1
Open market trades
0B · 1S
2
Total transactions
16.29K acquired · 207.55K disposed
Non-Derivative Transactions2

Common Stock

Direct
S · Sale

Shares

207.55K

Price / share

$19.42

Trade value

$4.03M

% of position

18.6%
12/17/2025
1.11M906.37K

Common Stock

Indirect
J · J

Shares

+16.29K

Price / share

Trade value

% of position

New position
12/18/2025
0.0016.29K
Total

Net shares

191.27K

Net value

-$4.03M

Derivative Transactions0
No derivative transactions reported
SIENKO DAVID C — Insider Transaction (Form 4) Filed Dec 19, 2025 | Finecho