SC 13D
RUSS AND ANN GERDIN AMENDMENT NO. 18
- Company
- HEARTLAND EXPRESS INC
- Filed
- February 25, 2011
- Accession Number
- 0000926784-11-000004
A Schedule 13D is filed when an investor acquires more than 5% of a company's shares with an intent to influence control. Learn more about SC 13D filings →