<SEC-DOCUMENT>0001564590-20-002056-index.html : 20200127 <SEC-HEADER>0001564590-20-002056.hdr.sgml : 20200127 <ACCEPTANCE-DATETIME>20200127160517 ACCESSION NUMBER: 0001564590-20-002056 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20200121 ITEM INFORMATION: Changes in Registrant's Certifying Accountant ITEM INFORMATION: Financial Statements and Exhibits FILED AS OF DATE: 20200127 DATE AS OF CHANGE: 20200127 FILER: COMPANY DATA: COMPANY CONFORMED NAME: CARBO CERAMICS INC CENTRAL INDEX KEY: 0001009672 STANDARD INDUSTRIAL CLASSIFICATION: ABRASIVE ASBESTOS & MISC NONMETALLIC MINERAL PRODUCTS [3290] IRS NUMBER: 721100013 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-15903 FILM NUMBER: 20549580 BUSINESS ADDRESS: STREET 1: 575 NORTH DAIRY ASHFORD STREET 2: SUITE 300 CITY: HOUSTON STATE: TX ZIP: 77079 BUSINESS PHONE: 2819216400 MAIL ADDRESS: STREET 1: 575 NORTH DAIRY ASHFORD STREET 2: SUITE 300 CITY: HOUSTON STATE: TX ZIP: 77079 </SEC-HEADER> <DOCUMENT> <TYPE>8-K <SEQUENCE>1 <FILENAME>crr-8k_20200121.htm <DESCRIPTION>8-K <TEXT> Document 1 - file: crr-8k_20200121.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-16.1 <SEQUENCE>2 <FILENAME>crr-ex161_22.htm <DESCRIPTION>EX-16.1 <TEXT> Document 2 - file: crr-ex161_22.htm
</DOCUMENT> </SEC-DOCUMENT>