X0508 4 2026-02-26 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 2026-02-26 4 S 0 10598 195.62 D 2176515 I By Earl E. Congdon Trust - 1990 Common Stock 2026-02-26 4 S 0 14402 196.5 D 2162113 I By Earl E. Congdon Trust - 1990 Common Stock 2026-02-26 4 G 0 2896 0 D 2159217 I By Earl E. Congdon Trust - 1990 Common Stock 2026-02-26 4 G 0 2896 0 D 700651 I By wife as trustee of the Kathryn W. Congdon Trust - 1990 Common Stock 1867428 I By Earl E. Congdon GRAT Remainder Trust Common Stock 58617 I By 401(k) plan The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $195.20 to $196.03, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $196.20 to $196.87, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. /s/ Earl E. Congdon 2026-02-27