SCHEDULE 13G/A

HEARTLAND EXPRESS INC

Common Stock, par value $0.01 per share · CUSIP: 422347104

Event date: 2025-12-31

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Gerdin Ann S

  Shares: 6,401,352.00 · Class: 8.3%

• Ann S. Gerdin Revocable Trust

  Shares: 6,401,352.00 · Class: 8.3%

• Durr Julie J

  Shares: 16,942,056.00 · Class: 21.9%

• Janssen Angela K

  Shares: 17,436,618.00 · Class: 22.5%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.