<SEC-DOCUMENT>0001529628-21-000014-index.html : 20210217 <SEC-HEADER>0001529628-21-000014.hdr.sgml : 20210217 <ACCEPTANCE-DATETIME>20210114160112 <PRIVATE-TO-PUBLIC> ACCESSION NUMBER: 0001529628-21-000014 CONFORMED SUBMISSION TYPE: CORRESP PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20210114 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Smart Sand, Inc. CENTRAL INDEX KEY: 0001529628 STANDARD INDUSTRIAL CLASSIFICATION: MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400] IRS NUMBER: 452809926 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: CORRESP BUSINESS ADDRESS: STREET 1: 1725 HUGHES LANDING BOULEVARD STREET 2: SUITE 800 CITY: THE WOODLANDS STATE: TX ZIP: 77380 BUSINESS PHONE: (281) 231-2660 MAIL ADDRESS: STREET 1: 1725 HUGHES LANDING BOULEVARD STREET 2: SUITE 800 CITY: THE WOODLANDS STATE: TX ZIP: 77380 </SEC-HEADER> <DOCUMENT> <TYPE>CORRESP <SEQUENCE>1 <FILENAME>filename1.htm <TEXT> Document 1 - file: filename1.htm
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