| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2024-02-14 | Gerdin Ann S | HEARTLAND EXPRESS INC | 19,028,703 | 24.1% | EDGAR |
| SC 13G/A | 2024-02-13 | VANGUARD GROUP INC | HEARTLAND EXPRESS INC | 5,199,731 | 6.6% | EDGAR |
| SC 13G/A | 2024-02-12 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | HEARTLAND EXPRESS INC | 4,977,822 | 6.3% | EDGAR |
| SC 13G/A | 2024-01-24 | BlackRock Inc. | HEARTLAND EXPRESS INC | 7,359,400 | 9.3% | EDGAR |
| SC 13D/A | 2023-11-24 | GERDIN MICHAEL J | HEARTLAND EXPRESS INC | 31,257,930 | 39.6% | EDGAR |
| SC 13G/A | 2023-02-14 | Gerdin Ann S | HEARTLAND EXPRESS INC | 14,857,711 | 18.8% | EDGAR |
| SC 13G/A | 2023-02-14 | 2009 Gerdin Heartland Trust, UTA July 15, 2009 | HEARTLAND EXPRESS INC | 4,283,975 | 5.4% | EDGAR |
| SC 13G/A | 2023-02-09 | VANGUARD GROUP INC | HEARTLAND EXPRESS INC | 5,260,842 | 6.7% | EDGAR |
| SC 13G/A | 2023-02-08 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | HEARTLAND EXPRESS INC | 5,477,509 | 6.9% | EDGAR |
| SC 13G/A | 2023-01-24 | BlackRock Inc. | HEARTLAND EXPRESS INC | 7,841,585 | 9.9% | EDGAR |
| SC 13G/A | 2022-11-09 | BlackRock Inc. | HEARTLAND EXPRESS INC | 7,894,258 | 10.0% | EDGAR |
| SC 13G/A | 2022-02-11 | Gerdin Ann S | HEARTLAND EXPRESS INC | 10,642,065 | 13.5% | EDGAR |
| SC 13G/A | 2022-02-11 | 2009 Gerdin Heartland Trust, UTA July 15, 2009 | HEARTLAND EXPRESS INC | 4,245,275 | 5.4% | EDGAR |
| SC 13G/A | 2022-02-10 | VANGUARD GROUP INC | HEARTLAND EXPRESS INC | 5,083,803 | 6.4% | EDGAR |
| SC 13G/A | 2022-02-04 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | HEARTLAND EXPRESS INC | 5,665,427 | 7.2% | EDGAR |
| SC 13G/A | 2022-02-01 | BlackRock Inc. | HEARTLAND EXPRESS INC | 7,663,274 | 9.7% | EDGAR |
| SC 13G/A | 2021-02-16 | HEARTLAND EXPRESS INC | 2009 Gerdin Heartland Trust, UTA July 15, 2009 | 4,245,275 | 5.3% | EDGAR |
| SC 13G/A | 2021-02-16 | HEARTLAND EXPRESS INC | Gerdin Ann S | 16,414,508 | 20.4% | EDGAR |
| SC 13G/A | 2021-02-16 | ArrowMark Colorado Holdings LLC | HEARTLAND EXPRESS INC | 2,773,703 | 3.4% | EDGAR |
| SC 13G/A | 2021-02-11 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | HEARTLAND EXPRESS INC | 5,367,561 | 6.6% | EDGAR |