# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000799233-21-000028
Filing Date
2021-05-07
Accepted
2021-05-06 18:26:07
Documents
54
Period of Report
2021-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | htld-20210331.htm iXBRL | 10-Q | 756909
2 | EX-31.1 | exhibit3112021q1.htm | EX-31.1 | 14424
3 | EX-31.2 | exhibit3122021q1.htm | EX-31.2 | 14521
4 | EX-32.1 | exhibit3212021q1.htm | EX-32.1 | 6660
5 | EX-32.2 | exhibit3222021q1.htm | EX-32.2 | 7032
| Complete submission text file | 0000799233-21-000028.txt |  | 3684557

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | htld-20210331.xsd | EX-101.SCH | 29306
7 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | htld-20210331_cal.xml | EX-101.CAL | 60357
8 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | htld-20210331_def.xml | EX-101.DEF | 142157
9 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | htld-20210331_lab.xml | EX-101.LAB | 436196
10 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | htld-20210331_pre.xml | EX-101.PRE | 265417
11 | EXTRACTED XBRL INSTANCE DOCUMENT | htld-20210331_htm.xml | XML | 422773

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-Q | Act: 34 | File No.: 000-15087 | Film No.: 21899535
SIC: 4213 Trucking (No Local)