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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000799233-22-000006
Filing Date
2022-02-25
Accepted
2022-02-25 16:54:08
Documents
74
Period of Report
2021-12-31

Document Format Files

Seq Description Document Type Size
1 10-K htld-20211231.htm   iXBRL 10-K 1510681
2 EX-21.1 exhibit212021q4.htm EX-21.1 6325
3 EX-23.1 exhibit231consentofindepen.htm EX-23.1 2187
4 EX-31.1 exhibit3112021q4.htm EX-31.1 14381
5 EX-31.2 exhibit3122021q4.htm EX-31.2 14480
6 EX-32.1 exhibit3212021q4.htm EX-32.1 6662
7 EX-32.2 exhibit3222021q4.htm EX-32.2 7079
  Complete submission text file 0000799233-22-000006.txt   6335920

Data Files

Seq Description Document Type Size
8 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT htld-20211231.xsd EX-101.SCH 50992
9 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT htld-20211231_cal.xml EX-101.CAL 67634
10 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT htld-20211231_def.xml EX-101.DEF 193040
11 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT htld-20211231_lab.xml EX-101.LAB 573276
12 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT htld-20211231_pre.xml EX-101.PRE 353660
68 EXTRACTED XBRL INSTANCE DOCUMENT htld-20211231_htm.xml XML 917856
Mailing Address 901 HEARTLAND WAY NORTH LIBERTY IA 52317
Business Address 901 HEARTLAND WAY NORTH LIBERTY IA 52317 3196457060
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.: 22681356
SIC: 4213 Trucking (No Local)