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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
DEF 14A

Official notification to shareholders of matters to be brought to a vote ("Proxy")

Proxy Filings
DEFA14A

Additional proxy soliciting materials - definitive

Proxy Filings
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
8-K/A

Amendment to a previously filed 8-K

Current Reports
EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
8-K

Report of unscheduled material events or corporate event

Current Reports
EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
8-K

Report of unscheduled material events or corporate event

Current Reports
EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
10-K

Annual report which provides a comprehensive overview of the company for the past year

Annual Filings
EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
4

Statement of changes in beneficial ownership of securities

3,4,5