SCHEDULE 13G/A

HEARTLAND EXPRESS INC

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

Event date: 2025-06-30

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: 16,401,352 · Class: 21.2%

• Ann S. Gerdin Revocable Trust

  Shares: 16,401,352 · Class: 21.2%

• Durr Julie J

  Shares: 26,942,056 · Class: 34.8%

• Janssen Angela K

  Shares: 27,436,618 · Class: 35.4%

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