<SEC-DOCUMENT>0000799233-23-000014-index.html : 20230331 <SEC-HEADER>0000799233-23-000014.hdr.sgml : 20230331 <ACCEPTANCE-DATETIME>20230331161045 ACCESSION NUMBER: 0000799233-23-000014 CONFORMED SUBMISSION TYPE: DEFA14A PUBLIC DOCUMENT COUNT: 3 FILED AS OF DATE: 20230331 DATE AS OF CHANGE: 20230331 FILER: COMPANY DATA: COMPANY CONFORMED NAME: HEARTLAND EXPRESS INC CENTRAL INDEX KEY: 0000799233 STANDARD INDUSTRIAL CLASSIFICATION: TRUCKING (NO LOCAL) [4213] IRS NUMBER: 930926999 STATE OF INCORPORATION: NV FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: DEFA14A SEC ACT: 1934 Act SEC FILE NUMBER: 000-15087 FILM NUMBER: 23787708 BUSINESS ADDRESS: STREET 1: 901 HEARTLAND WAY CITY: NORTH LIBERTY STATE: IA ZIP: 52317 BUSINESS PHONE: 3196457060 MAIL ADDRESS: STREET 1: 901 HEARTLAND WAY CITY: NORTH LIBERTY STATE: IA ZIP: 52317 </SEC-HEADER> <DOCUMENT> <TYPE>DEFA14A <SEQUENCE>1 <FILENAME>a2023proxynoticeandaccessm.htm <DESCRIPTION>DEFA14A <TEXT> Document 1 - file: a2023proxynoticeandaccessm.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>heartlandexpressinc_autoxrb.jpg <TEXT> Document 2 - file: heartlandexpressinc_autoxrb.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>heartlandexpressinc_autoxrc.jpg <TEXT> Document 3 - file: heartlandexpressinc_autoxrc.jpg
</DOCUMENT> </SEC-DOCUMENT>