Please ensure Javascript is enabled for purposes of website accessibility

Breadcrumb

Smarter Sand Has Come Of Age

image

SEC Filings

SEC Filings

Filing date Form Description Filing Group Downloads
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
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
SC 13G/A

An amendment to the SC 13G filing

Other
3

Initial filing by director officer or owner of more than ten percent.

3,4,5
8-K

Report of unscheduled material events or corporate event

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