SEC Filings

Form Description Filer Filing date
SC 13G

A statement of beneficial ownership of common stock by certain persons

SPROTT SECURITIES INC
SC 13G

A statement of beneficial ownership of common stock by certain persons

SPROTT SECURITIES INC
SC 13G

A statement of beneficial ownership of common stock by certain persons

SPROTT SECURITIES INC
SC 13G

A statement of beneficial ownership of common stock by certain persons

AMERICAN CENTURY INVESTMENT MANAGEMENT INC
SC 13G

A statement of beneficial ownership of common stock by certain persons

SPROTT SECURITIES INC
SC 13G

A statement of beneficial ownership of common stock by certain persons

US BANCORP \DE\
SC 13G

A statement of beneficial ownership of common stock by certain persons

ICM ASSET MANAGEMENT INC/WA
SC 13G

A statement of beneficial ownership of common stock by certain persons

SNYDER CAPITAL MANAGEMENT L P
SC 13G

A statement of beneficial ownership of common stock by certain persons

US BANCORP \DE\
SC 13G

A statement of beneficial ownership of common stock by certain persons

PUTNAM LLC