Sienko David C

CIK: 0001481905
Primary company: HECLA MINING CO/DE/ (HL)

Sienko David C is a corporate insider at HECLA MINING CO/DE/ (HL) filing SEC Form 4 transactions. 123 transactions across 2 companies, totaling $0 in purchases and $5,485,992 in sales. Source: SEC EDGAR.

Total Transactions
123
Total Buy Value
$0
Total Sell Value
$5.49M
Net Activity
$-5.49M
Last Transaction
Jun 2026
Companies
2

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Award
Shares
22,724
Price
-
Value
-
Type
J
Shares
17,354
Price
-
Value
-
Type
Award
Shares
22,724
Price
$15.98
Value
$363K
Type
Tax Payment
Shares
23,973
Price
$15.98
Value
$383K
Type
J
Shares
16,287
Price
-
Value
-
Type
Sale
Shares
207,553
Price
$19.42
Value
$4.03M
Type
Award
Shares
60,137
Price
-
Value
-
Type
J
Shares
15,258
Price
-
Value
-
Type
Award
Shares
60,137
Price
$5.82
Value
$350K
Type
Tax Payment
Shares
13,768
Price
$5.82
Value
$80K
Type
Award
Shares
60,137
Price
-
Value
-
Type
J
Shares
15,258
Price
-
Value
-
Type
Award
Shares
60,137
Price
$5.82
Value
$350K
Type
Tax Payment
Shares
13,768
Price
$5.82
Value
$80K
Type
Award
Shares
60,137
Price
-
Value
-
Type
J
Shares
15,258
Price
-
Value
-
Type
Award
Shares
60,137
Price
$5.82
Value
$350K
Type
Tax Payment
Shares
13,768
Price
$5.82
Value
$80K
Type
Sale
Shares
21,826
Price
$5.18
Value
$113K
Type
J
Shares
15,258
Price
-
Value
-