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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
SC 13G

A statement of beneficial ownership of common stock by certain persons

Other
8-K

Report of unscheduled material events or corporate event

Current Reports
8-K/A

Amendment to a previously filed 8-K

Current Reports
S-8

Securities offered to employees pursuant to employee benefit plans

Registration Statements
S-8

Securities offered to employees pursuant to employee benefit plans

Registration Statements
8-K

Report of unscheduled material events or corporate event

Current Reports
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