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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000799233-21-000016
Filing Date
2021-02-22
Accepted
2021-02-19 19:23:08
Documents
78
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 10-K htld-20201231.htm   iXBRL 10-K 1686211
2 EX-21.1 exhibit212020q4.htm EX-21.1 6365
3 EX-31.1 exhibit3112020q4.htm EX-31.1 14437
4 EX-31.2 exhibit3122020q4.htm EX-31.2 14536
5 EX-32.1 exhibit3212020q4.htm EX-32.1 6736
6 EX-32.2 exhibit3222020q4.htm EX-32.2 7172
  Complete submission text file 0000799233-21-000016.txt   6950734

Data Files

Seq Description Document Type Size
7 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT htld-20201231.xsd EX-101.SCH 54493
8 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT htld-20201231_cal.xml EX-101.CAL 91071
9 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT htld-20201231_def.xml EX-101.DEF 227151
10 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT htld-20201231_lab.xml EX-101.LAB 615187
11 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT htld-20201231_pre.xml EX-101.PRE 379332
12 EXTRACTED XBRL INSTANCE DOCUMENT htld-20201231_htm.xml XML 1110248
Mailing Address 901 NORTH KANSAS AVENUE NORTH LIBERTY IA 52317
Business Address 901 NORTH KANSAS AVENUE NORTH LIBERTY IA 52317 3196263600
HEARTLAND EXPRESS INC (Filer) CIK: 0000799233 (see all company filings)

IRS No.: 930926999 | State of Incorp.: NV | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-15087 | Film No.: 21657814
SIC: 4213 Trucking (No Local)