| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G | 2018-02-08 | VANGUARD GROUP INC | HEARTLAND EXPRESS INC | 4,349,773 | 5.2% | EDGAR |
| SC 13G/A | 2018-01-25 | BlackRock Inc. | HEARTLAND EXPRESS INC | 6,278,539 | 7.5% | EDGAR |
| SC 13G/A | 2017-08-21 | Gerdin Ann S | HEARTLAND EXPRESS INC | 8,321,406 | 10.0% | EDGAR |
| SC 13G/A | 2017-02-13 | VANGUARD GROUP INC | HEARTLAND EXPRESS INC | 3,926,662 | 4.7% | EDGAR |
| SC 13G/A | 2017-02-10 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | HEARTLAND EXPRESS INC | 6,486,233 | 7.8% | EDGAR |
| SC 13G/A | 2017-01-24 | BlackRock Inc. | HEARTLAND EXPRESS INC | 5,395,162 | 6.5% | EDGAR |
| SC 13G/A | 2016-12-13 | Gerdin Ann S | HEARTLAND EXPRESS INC | 6,855,563 | 8.2% | EDGAR |
| SC 13D/A | 2016-10-11 | GERDIN MICHAEL J | HEARTLAND EXPRESS INC | 34,638,496 | 41.6% | EDGAR |
| SC 13G/A | 2016-07-07 | Gerdin Ann S | HEARTLAND EXPRESS INC | 4,509,655 | 5.4% | EDGAR |
| SC 13G | 2016-02-11 | VANGUARD GROUP INC | HEARTLAND EXPRESS INC | 4,574,216 | 5.4% | EDGAR |
| SC 13G/A | 2016-02-10 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | HEARTLAND EXPRESS INC | 6,026,841 | 7.2% | EDGAR |
| SC 13G | 2016-02-10 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | HEARTLAND EXPRESS INC | 5,889,026 | 6.9% | EDGAR |
| SC 13D/A | 2016-02-05 | GERDIN MICHAEL J | HEARTLAND EXPRESS INC | 36,007,064 | 43.2% | EDGAR |
| SC 13D/A | 2016-02-05 | CROUSE LAWRENCE D | HEARTLAND EXPRESS INC | 47,565 | 0.1% | EDGAR |
| SC 13G/A | 2016-02-05 | Gerdin Ann S | HEARTLAND EXPRESS INC | 8,189,326 | 9.7% | EDGAR |
| SC 13G/A | 2016-02-05 | Gerdin Ann S | HEARTLAND EXPRESS INC | 3,986,750 | 4.8% | EDGAR |
| SC 13G/A | 2016-02-05 | 2009 Gerdin Heartland Trust, UTA July 15, 2009 | HEARTLAND EXPRESS INC | 4,802,738 | 5.7% | EDGAR |
| SC 13G | 2016-02-05 | 2007 Gerdin Heartland Trust | HEARTLAND EXPRESS INC | 5,003,805 | 6.0% | EDGAR |
| SC 13G/A | 2016-01-26 | BlackRock Inc. | HEARTLAND EXPRESS INC | 5,249,566 | 6.2% | EDGAR |
| SC 13G | 2016-01-15 | Redwood Capital Investments, LLC | HEARTLAND EXPRESS INC | 4,285,444 | 5.0% | EDGAR |