# 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)

EIN.: 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)