X0508 4 2024-11-19 0000878927 OLD DOMINION FREIGHT LINE, INC. ODFL 0001067863 CONGDON EARL E C/O OLD DOMINION FREIGHT LINE, INC. 500 OLD DOMINION WAY THOMASVILLE NC 27360 true Chair Emeritus & Sr. Advisor false Common Stock 2024-11-19 4 I 0 7577 211.8 D 68205 I By 401(k) plan Common Stock 0 D Common Stock 2213016 I By Earl E. Congdon Trust - 1990 Common Stock 1867428 I By Earl E. Congdon GRAT Remainder Trust Common Stock 707100 I By wife as trustee of the Kathryn W. Congdon Trust - 1990 On March 28, 2024, the common stock of Old Dominion Freight Line, Inc. began trading on a 2-for-1 stock split-adjusted basis, resulting in the reporting person's ownership of 37,842 additional shares of common stock. On March 28, 2024, the common stock of Old Dominion Freight Line, Inc. began trading on a 2-for-1 stock split-adjusted basis, resulting in the reporting person's ownership of 906 additional shares of common stock. Amount also reflects an exempt transfer of 1,812 shares since the reporting person's last Form 4. On March 28, 2024, the common stock of Old Dominion Freight Line, Inc. began trading on a 2-for-1 stock split-adjusted basis, resulting in the reporting person's ownership of 1,105,602 additional shares of common stock. Amount also reflects an exempt transfer of 1,812 shares since the reporting person's last Form 4. On March 28, 2024, the common stock of Old Dominion Freight Line, Inc. began trading on a 2-for-1 stock split-adjusted basis, resulting in the reporting person's ownership of 933,714 additional shares of common stock. On March 28, 2024, the common stock of Old Dominion Freight Line, Inc. began trading on a 2-for-1 stock split-adjusted basis, resulting in the reporting person's ownership of 353,550 additional shares of common stock. /s/ Earl E. Congdon 2024-11-20