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Smarter Sand Has Come Of Age

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SEC Filings

SEC Filings

Filing date Form Description Filing Group Downloads
EFFECT

EFFECT

Other
CORRESP

CORRESP

Other
CORRESP

CORRESP

Other
CORRESP

CORRESP

Other
UPLOAD

UPLOAD

Other
S-3

Simplified registration form

Registration Statements
4

Statement of changes in beneficial ownership of securities

3,4,5
4

Statement of changes in beneficial ownership of securities

3,4,5
4

Statement of changes in beneficial ownership of securities

3,4,5
4

Statement of changes in beneficial ownership of securities

3,4,5