{"transactions":[{"id":770747,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-05-20T20:53:45.000Z","date":"2026-05-20","kind":"grant","planned":false,"acquired":true,"shares":859,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":89410,"source":{"system":"sec-edgar","filing":"0001977249-26-000083","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724926000083/form4.xml","form_type":"4"}},{"id":792813,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-05-05T21:01:48.000Z","date":"2026-05-04","kind":"sale","planned":false,"acquired":false,"shares":1091,"price":193.24,"value":210824.84,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $193.04 to $193.52 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."}],"balance_after":88551,"source":{"system":"sec-edgar","filing":"0001977249-26-000029","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724926000029/form4.xml","form_type":"4"}},{"id":792812,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-05-05T21:01:48.000Z","date":"2026-05-04","kind":"sale","planned":false,"acquired":false,"shares":4289,"price":192.53,"value":825761.17,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $192.05 to $193.03 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."}],"balance_after":89642,"source":{"system":"sec-edgar","filing":"0001977249-26-000029","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724926000029/form4.xml","form_type":"4"}},{"id":792811,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-05-05T21:01:48.000Z","date":"2026-05-04","kind":"sale","planned":false,"acquired":false,"shares":11654,"price":191.47,"value":2231391.38,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $191.04 to $192.03 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."}],"balance_after":93931,"source":{"system":"sec-edgar","filing":"0001977249-26-000029","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724926000029/form4.xml","form_type":"4"}},{"id":792810,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-05-05T21:01:48.000Z","date":"2026-05-04","kind":"sale","planned":false,"acquired":false,"shares":5073,"price":190.39,"value":965848.47,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $190.04 to $191.03 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."}],"balance_after":105585,"source":{"system":"sec-edgar","filing":"0001977249-26-000029","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724926000029/form4.xml","form_type":"4"}},{"id":913121,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-02-10T21:21:09.000Z","date":"2026-02-09","kind":"sale","planned":false,"acquired":false,"shares":12024,"price":196.43,"value":2361874.32,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $196.05 to $196.64, 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."}],"balance_after":110658,"source":{"system":"sec-edgar","filing":"0001977249-26-000009","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724926000009/form4.xml","form_type":"4"}},{"id":985703,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2013 grant)","published_at":"2025-12-01T21:14:25.000Z","date":"2025-12-01","kind":"exercise","planned":false,"acquired":false,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on December 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on December 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":0,"derivative":{"exercise_date":"2025-12-01","expiration_date":"2025-12-01","underlying":"Common Stock","underlying_shares":708},"source":{"system":"sec-edgar","filing":"0001977249-25-000008","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000008/form4.xml","form_type":"4"}},{"id":985702,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2014 grant)","published_at":"2025-12-01T21:14:25.000Z","date":"2025-12-01","kind":"exercise","planned":false,"acquired":false,"shares":489,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on December 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on December 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":0,"derivative":{"exercise_date":"2025-12-01","expiration_date":"2025-12-01","underlying":"Common Stock","underlying_shares":489},"source":{"system":"sec-edgar","filing":"0001977249-25-000008","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000008/form4.xml","form_type":"4"}},{"id":985701,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2015 grant)","published_at":"2025-12-01T21:14:25.000Z","date":"2025-12-01","kind":"exercise","planned":false,"acquired":false,"shares":338,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on December 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on December 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":0,"derivative":{"exercise_date":"2025-12-01","expiration_date":"2025-12-01","underlying":"Common Stock","underlying_shares":338},"source":{"system":"sec-edgar","filing":"0001977249-25-000008","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000008/form4.xml","form_type":"4"}},{"id":985700,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-12-01T21:14:25.000Z","date":"2025-12-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":635,"price":135.29,"value":85909.15,"ownership":{"direct":true},"balance_after":122682,"source":{"system":"sec-edgar","filing":"0001977249-25-000008","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000008/form4.xml","form_type":"4"}},{"id":985699,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-12-01T21:14:25.000Z","date":"2025-12-01","kind":"exercise","planned":false,"acquired":true,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on December 1, 2025."}],"balance_after":123317,"source":{"system":"sec-edgar","filing":"0001977249-25-000008","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000008/form4.xml","form_type":"4"}},{"id":985698,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-12-01T21:14:25.000Z","date":"2025-12-01","kind":"exercise","planned":false,"acquired":true,"shares":489,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on December 1, 2025."}],"balance_after":122609,"source":{"system":"sec-edgar","filing":"0001977249-25-000008","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000008/form4.xml","form_type":"4"}},{"id":985697,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-12-01T21:14:25.000Z","date":"2025-12-01","kind":"exercise","planned":false,"acquired":true,"shares":338,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on December 1, 2025."}],"balance_after":122120,"source":{"system":"sec-edgar","filing":"0001977249-25-000008","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000008/form4.xml","form_type":"4"}},{"id":1010136,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2013 grant)","published_at":"2025-11-03T21:11:34.000Z","date":"2025-11-01","kind":"exercise","planned":false,"acquired":false,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on November 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on November 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":708,"derivative":{"exercise_date":"2025-11-01","expiration_date":"2025-11-01","underlying":"Common Stock","underlying_shares":708},"source":{"system":"sec-edgar","filing":"0001977249-25-000005","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000005/form4.xml","form_type":"4"}},{"id":1010135,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2014 grant)","published_at":"2025-11-03T21:11:34.000Z","date":"2025-11-01","kind":"exercise","planned":false,"acquired":false,"shares":480,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on November 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on November 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":488,"derivative":{"exercise_date":"2025-11-01","expiration_date":"2025-11-01","underlying":"Common Stock","underlying_shares":480},"source":{"system":"sec-edgar","filing":"0001977249-25-000005","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000005/form4.xml","form_type":"4"}},{"id":1010134,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2015 grant)","published_at":"2025-11-03T21:11:34.000Z","date":"2025-11-01","kind":"exercise","planned":false,"acquired":false,"shares":350,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on November 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on November 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":338,"derivative":{"exercise_date":"2025-11-01","expiration_date":"2025-11-01","underlying":"Common Stock","underlying_shares":350},"source":{"system":"sec-edgar","filing":"0001977249-25-000005","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000005/form4.xml","form_type":"4"}},{"id":1010133,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-11-03T21:11:34.000Z","date":"2025-11-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":636,"price":140.42,"value":89307.12,"ownership":{"direct":true},"balance_after":121782,"source":{"system":"sec-edgar","filing":"0001977249-25-000005","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000005/form4.xml","form_type":"4"}},{"id":1010132,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-11-03T21:11:34.000Z","date":"2025-11-01","kind":"exercise","planned":false,"acquired":true,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on November 1, 2025."}],"balance_after":122418,"source":{"system":"sec-edgar","filing":"0001977249-25-000005","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000005/form4.xml","form_type":"4"}},{"id":1010131,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-11-03T21:11:34.000Z","date":"2025-11-01","kind":"exercise","planned":false,"acquired":true,"shares":480,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on November 1, 2025."}],"balance_after":121710,"source":{"system":"sec-edgar","filing":"0001977249-25-000005","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000005/form4.xml","form_type":"4"}},{"id":1010130,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-11-03T21:11:34.000Z","date":"2025-11-01","kind":"exercise","planned":false,"acquired":true,"shares":350,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on November 1, 2025."}],"balance_after":121230,"source":{"system":"sec-edgar","filing":"0001977249-25-000005","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000005/form4.xml","form_type":"4"}},{"id":1029954,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2013 grant)","published_at":"2025-10-01T20:14:44.000Z","date":"2025-10-01","kind":"exercise","planned":false,"acquired":false,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on October 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on October 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":1416,"derivative":{"exercise_date":"2025-10-01","expiration_date":"2025-10-01","underlying":"Common Stock","underlying_shares":708},"source":{"system":"sec-edgar","filing":"0001977249-25-000004","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000004/form4.xml","form_type":"4"}},{"id":1029953,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2014 grant)","published_at":"2025-10-01T20:14:44.000Z","date":"2025-10-01","kind":"exercise","planned":false,"acquired":false,"shares":480,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on October 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on October 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":968,"derivative":{"exercise_date":"2025-10-01","expiration_date":"2025-10-01","underlying":"Common Stock","underlying_shares":480},"source":{"system":"sec-edgar","filing":"0001977249-25-000004","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000004/form4.xml","form_type":"4"}},{"id":1029952,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2015 grant)","published_at":"2025-10-01T20:14:44.000Z","date":"2025-10-01","kind":"exercise","planned":false,"acquired":false,"shares":350,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on October 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on October 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":688,"derivative":{"exercise_date":"2025-10-01","expiration_date":"2025-10-01","underlying":"Common Stock","underlying_shares":350},"source":{"system":"sec-edgar","filing":"0001977249-25-000004","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000004/form4.xml","form_type":"4"}},{"id":1029951,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-10-01T20:14:44.000Z","date":"2025-10-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":636,"price":140.78,"value":89536.08,"ownership":{"direct":true},"balance_after":120880,"source":{"system":"sec-edgar","filing":"0001977249-25-000004","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000004/form4.xml","form_type":"4"}},{"id":1029950,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-10-01T20:14:44.000Z","date":"2025-10-01","kind":"exercise","planned":false,"acquired":true,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on October 1, 2025."}],"balance_after":121516,"source":{"system":"sec-edgar","filing":"0001977249-25-000004","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000004/form4.xml","form_type":"4"}},{"id":1029949,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-10-01T20:14:44.000Z","date":"2025-10-01","kind":"exercise","planned":false,"acquired":true,"shares":480,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on October 1, 2025."}],"balance_after":120808,"source":{"system":"sec-edgar","filing":"0001977249-25-000004","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000004/form4.xml","form_type":"4"}},{"id":1029948,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-10-01T20:14:44.000Z","date":"2025-10-01","kind":"exercise","planned":false,"acquired":true,"shares":350,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on October 1, 2025."}],"balance_after":120328,"source":{"system":"sec-edgar","filing":"0001977249-25-000004","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/878927/000197724925000004/form4.xml","form_type":"4"}},{"id":1050651,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2013 grant)","published_at":"2025-09-03T20:11:24.000Z","date":"2025-09-01","kind":"exercise","planned":false,"acquired":false,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on September 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on September 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":2124,"derivative":{"exercise_date":"2025-09-01","expiration_date":"2025-09-01","underlying":"Common Stock","underlying_shares":708},"source":{"system":"sec-edgar","filing":"0001567619-25-000466","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000466/form4.xml","form_type":"4"}},{"id":1050650,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2014 grant)","published_at":"2025-09-03T20:11:24.000Z","date":"2025-09-01","kind":"exercise","planned":false,"acquired":false,"shares":480,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on September 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on September 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":1448,"derivative":{"exercise_date":"2025-09-01","expiration_date":"2025-09-01","underlying":"Common Stock","underlying_shares":480},"source":{"system":"sec-edgar","filing":"0001567619-25-000466","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000466/form4.xml","form_type":"4"}},{"id":1050649,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2015 grant)","published_at":"2025-09-03T20:11:24.000Z","date":"2025-09-01","kind":"exercise","planned":false,"acquired":false,"shares":350,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on September 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on September 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":1038,"derivative":{"exercise_date":"2025-09-01","expiration_date":"2025-09-01","underlying":"Common Stock","underlying_shares":350},"source":{"system":"sec-edgar","filing":"0001567619-25-000466","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000466/form4.xml","form_type":"4"}},{"id":1050648,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-09-03T20:11:24.000Z","date":"2025-09-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":636,"price":150.97,"value":96016.92,"ownership":{"direct":true},"balance_after":119978,"source":{"system":"sec-edgar","filing":"0001567619-25-000466","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000466/form4.xml","form_type":"4"}},{"id":1050647,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-09-03T20:11:24.000Z","date":"2025-09-01","kind":"exercise","planned":false,"acquired":true,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on September 1, 2025."}],"balance_after":120614,"source":{"system":"sec-edgar","filing":"0001567619-25-000466","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000466/form4.xml","form_type":"4"}},{"id":1050646,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-09-03T20:11:24.000Z","date":"2025-09-01","kind":"exercise","planned":false,"acquired":true,"shares":480,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on September 1, 2025."}],"balance_after":119906,"source":{"system":"sec-edgar","filing":"0001567619-25-000466","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000466/form4.xml","form_type":"4"}},{"id":1050645,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-09-03T20:11:24.000Z","date":"2025-09-01","kind":"exercise","planned":false,"acquired":true,"shares":350,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on September 1, 2025."}],"balance_after":119426,"source":{"system":"sec-edgar","filing":"0001567619-25-000466","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000466/form4.xml","form_type":"4"}},{"id":1077923,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2013 grant)","published_at":"2025-08-01T20:11:35.000Z","date":"2025-08-01","kind":"exercise","planned":false,"acquired":false,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on August 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on August 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":2832,"derivative":{"exercise_date":"2025-08-01","expiration_date":"2025-08-01","underlying":"Common Stock","underlying_shares":708},"source":{"system":"sec-edgar","filing":"0001567619-25-000377","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000377/form4.xml","form_type":"4"}},{"id":1077922,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2014 grant)","published_at":"2025-08-01T20:11:35.000Z","date":"2025-08-01","kind":"exercise","planned":false,"acquired":false,"shares":480,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on August 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on August 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":1928,"derivative":{"exercise_date":"2025-08-01","expiration_date":"2025-08-01","underlying":"Common Stock","underlying_shares":480},"source":{"system":"sec-edgar","filing":"0001567619-25-000377","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000377/form4.xml","form_type":"4"}},{"id":1077921,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2015 grant)","published_at":"2025-08-01T20:11:35.000Z","date":"2025-08-01","kind":"exercise","planned":false,"acquired":false,"shares":350,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on August 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on August 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":1388,"derivative":{"exercise_date":"2025-08-01","expiration_date":"2025-08-01","underlying":"Common Stock","underlying_shares":350},"source":{"system":"sec-edgar","filing":"0001567619-25-000377","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000377/form4.xml","form_type":"4"}},{"id":1077920,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-08-01T20:11:35.000Z","date":"2025-08-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":636,"price":149.25,"value":94923.0,"ownership":{"direct":true},"balance_after":119076,"source":{"system":"sec-edgar","filing":"0001567619-25-000377","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000377/form4.xml","form_type":"4"}},{"id":1077919,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-08-01T20:11:35.000Z","date":"2025-08-01","kind":"exercise","planned":false,"acquired":true,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on August 1, 2025."}],"balance_after":119712,"source":{"system":"sec-edgar","filing":"0001567619-25-000377","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000377/form4.xml","form_type":"4"}},{"id":1077918,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-08-01T20:11:35.000Z","date":"2025-08-01","kind":"exercise","planned":false,"acquired":true,"shares":480,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on August 1, 2025."}],"balance_after":119004,"source":{"system":"sec-edgar","filing":"0001567619-25-000377","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000377/form4.xml","form_type":"4"}},{"id":1077917,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-08-01T20:11:35.000Z","date":"2025-08-01","kind":"exercise","planned":false,"acquired":true,"shares":350,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on August 1, 2025."}],"balance_after":118524,"source":{"system":"sec-edgar","filing":"0001567619-25-000377","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000377/form4.xml","form_type":"4"}},{"id":1098578,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2013 grant)","published_at":"2025-07-01T20:10:55.000Z","date":"2025-07-01","kind":"exercise","planned":false,"acquired":false,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on July 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on July 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":3540,"derivative":{"exercise_date":"2025-07-01","expiration_date":"2025-07-01","underlying":"Common Stock","underlying_shares":708},"source":{"system":"sec-edgar","filing":"0001567619-25-000361","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000361/form4.xml","form_type":"4"}},{"id":1098577,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2014 grant)","published_at":"2025-07-01T20:10:55.000Z","date":"2025-07-01","kind":"exercise","planned":false,"acquired":false,"shares":480,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on July 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on July 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":2408,"derivative":{"exercise_date":"2025-07-01","expiration_date":"2025-07-01","underlying":"Common Stock","underlying_shares":480},"source":{"system":"sec-edgar","filing":"0001567619-25-000361","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000361/form4.xml","form_type":"4"}},{"id":1098576,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2015 grant)","published_at":"2025-07-01T20:10:55.000Z","date":"2025-07-01","kind":"exercise","planned":false,"acquired":false,"shares":350,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on July 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on July 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":1738,"derivative":{"exercise_date":"2025-07-01","expiration_date":"2025-07-01","underlying":"Common Stock","underlying_shares":350},"source":{"system":"sec-edgar","filing":"0001567619-25-000361","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000361/form4.xml","form_type":"4"}},{"id":1098575,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-07-01T20:10:55.000Z","date":"2025-07-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":636,"price":162.3,"value":103222.8,"ownership":{"direct":true},"balance_after":118174,"source":{"system":"sec-edgar","filing":"0001567619-25-000361","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000361/form4.xml","form_type":"4"}},{"id":1098574,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-07-01T20:10:55.000Z","date":"2025-07-01","kind":"exercise","planned":false,"acquired":true,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on July 1, 2025."}],"balance_after":118810,"source":{"system":"sec-edgar","filing":"0001567619-25-000361","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000361/form4.xml","form_type":"4"}},{"id":1098573,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-07-01T20:10:55.000Z","date":"2025-07-01","kind":"exercise","planned":false,"acquired":true,"shares":480,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on July 1, 2025."}],"balance_after":118102,"source":{"system":"sec-edgar","filing":"0001567619-25-000361","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000361/form4.xml","form_type":"4"}},{"id":1098572,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-07-01T20:10:55.000Z","date":"2025-07-01","kind":"exercise","planned":false,"acquired":true,"shares":350,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on July 1, 2025."}],"balance_after":117622,"source":{"system":"sec-edgar","filing":"0001567619-25-000361","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000361/form4.xml","form_type":"4"}},{"id":1128433,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (grants prior to 2010)","published_at":"2025-06-02T20:24:01.000Z","date":"2025-06-01","kind":"exercise","planned":false,"acquired":false,"shares":1845,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."},{"field":"shares","element":"transactionShares","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."}],"balance_after":0,"derivative":{"exercise_date":"2025-06-01","expiration_date":"2025-06-01","underlying":"Common Stock","underlying_shares":1845},"source":{"system":"sec-edgar","filing":"0001567619-25-000336","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000336/form4.xml","form_type":"4"}},{"id":1128432,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2010 grant)","published_at":"2025-06-02T20:24:01.000Z","date":"2025-06-01","kind":"exercise","planned":false,"acquired":false,"shares":548,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."},{"field":"shares","element":"transactionShares","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."}],"balance_after":0,"derivative":{"exercise_date":"2025-06-01","expiration_date":"2025-06-01","underlying":"Common Stock","underlying_shares":548},"source":{"system":"sec-edgar","filing":"0001567619-25-000336","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000336/form4.xml","form_type":"4"}},{"id":1128431,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2011 grant)","published_at":"2025-06-02T20:24:01.000Z","date":"2025-06-01","kind":"exercise","planned":false,"acquired":false,"shares":330,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."},{"field":"shares","element":"transactionShares","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."}],"balance_after":0,"derivative":{"exercise_date":"2025-06-01","expiration_date":"2025-06-01","underlying":"Common Stock","underlying_shares":330},"source":{"system":"sec-edgar","filing":"0001567619-25-000336","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000336/form4.xml","form_type":"4"}},{"id":1128430,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2012 grant)","published_at":"2025-06-02T20:24:01.000Z","date":"2025-06-01","kind":"exercise","planned":false,"acquired":false,"shares":842,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."},{"field":"shares","element":"transactionShares","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."}],"balance_after":0,"derivative":{"exercise_date":"2025-06-01","expiration_date":"2025-06-01","underlying":"Common Stock","underlying_shares":842},"source":{"system":"sec-edgar","filing":"0001567619-25-000336","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000336/form4.xml","form_type":"4"}},{"id":1128429,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2013 grant)","published_at":"2025-06-02T20:24:01.000Z","date":"2025-06-01","kind":"exercise","planned":false,"acquired":false,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":4248,"derivative":{"exercise_date":"2025-06-01","expiration_date":"2025-06-01","underlying":"Common Stock","underlying_shares":708},"source":{"system":"sec-edgar","filing":"0001567619-25-000336","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000336/form4.xml","form_type":"4"}},{"id":1128428,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2014 grant)","published_at":"2025-06-02T20:24:01.000Z","date":"2025-06-01","kind":"exercise","planned":false,"acquired":false,"shares":480,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":2888,"derivative":{"exercise_date":"2025-06-01","expiration_date":"2025-06-01","underlying":"Common Stock","underlying_shares":480},"source":{"system":"sec-edgar","filing":"0001567619-25-000336","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000336/form4.xml","form_type":"4"}},{"id":1128427,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2015 grant)","published_at":"2025-06-02T20:24:01.000Z","date":"2025-06-01","kind":"exercise","planned":false,"acquired":false,"shares":350,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":2088,"derivative":{"exercise_date":"2025-06-01","expiration_date":"2025-06-01","underlying":"Common Stock","underlying_shares":350},"source":{"system":"sec-edgar","filing":"0001567619-25-000336","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000336/form4.xml","form_type":"4"}},{"id":1128426,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-06-02T20:24:01.000Z","date":"2025-06-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":2111,"price":160.17,"value":338118.87,"ownership":{"direct":true},"balance_after":117272,"source":{"system":"sec-edgar","filing":"0001567619-25-000336","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000336/form4.xml","form_type":"4"}},{"id":1128425,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-06-02T20:24:01.000Z","date":"2025-06-01","kind":"exercise","planned":false,"acquired":true,"shares":1845,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."}],"balance_after":119383,"source":{"system":"sec-edgar","filing":"0001567619-25-000336","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000336/form4.xml","form_type":"4"}},{"id":1128424,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-06-02T20:24:01.000Z","date":"2025-06-01","kind":"exercise","planned":false,"acquired":true,"shares":548,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."}],"balance_after":117538,"source":{"system":"sec-edgar","filing":"0001567619-25-000336","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000336/form4.xml","form_type":"4"}},{"id":1128423,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-06-02T20:24:01.000Z","date":"2025-06-01","kind":"exercise","planned":false,"acquired":true,"shares":330,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."}],"balance_after":116990,"source":{"system":"sec-edgar","filing":"0001567619-25-000336","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000336/form4.xml","form_type":"4"}},{"id":1128422,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-06-02T20:24:01.000Z","date":"2025-06-01","kind":"exercise","planned":false,"acquired":true,"shares":842,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."}],"balance_after":116660,"source":{"system":"sec-edgar","filing":"0001567619-25-000336","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000336/form4.xml","form_type":"4"}},{"id":1128421,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-06-02T20:24:01.000Z","date":"2025-06-01","kind":"exercise","planned":false,"acquired":true,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."}],"balance_after":115818,"source":{"system":"sec-edgar","filing":"0001567619-25-000336","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000336/form4.xml","form_type":"4"}},{"id":1128420,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-06-02T20:24:01.000Z","date":"2025-06-01","kind":"exercise","planned":false,"acquired":true,"shares":480,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."}],"balance_after":115110,"source":{"system":"sec-edgar","filing":"0001567619-25-000336","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000336/form4.xml","form_type":"4"}},{"id":1128419,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-06-02T20:24:01.000Z","date":"2025-06-01","kind":"exercise","planned":false,"acquired":true,"shares":350,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on June 1, 2025."}],"balance_after":114630,"source":{"system":"sec-edgar","filing":"0001567619-25-000336","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000336/form4.xml","form_type":"4"}},{"id":1138206,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-05-22T20:29:52.000Z","date":"2025-05-21","kind":"grant","planned":false,"acquired":true,"shares":1029,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":114280,"source":{"system":"sec-edgar","filing":"0001567619-25-000326","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000326/form4.xml","form_type":"4"}},{"id":1162882,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (grants prior to 2010)","published_at":"2025-05-01T20:42:17.000Z","date":"2025-05-01","kind":"exercise","planned":false,"acquired":false,"shares":1858,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."},{"field":"shares","element":"transactionShares","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."}],"balance_after":1846,"derivative":{"exercise_date":"2025-05-01","expiration_date":"2025-05-01","underlying":"Common Stock","underlying_shares":1858},"source":{"system":"sec-edgar","filing":"0001567619-25-000276","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000276/form4.xml","form_type":"4"}},{"id":1162881,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2010 grant)","published_at":"2025-05-01T20:42:17.000Z","date":"2025-05-01","kind":"exercise","planned":false,"acquired":false,"shares":550,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."},{"field":"shares","element":"transactionShares","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."}],"balance_after":548,"derivative":{"exercise_date":"2025-05-01","expiration_date":"2025-05-01","underlying":"Common Stock","underlying_shares":550},"source":{"system":"sec-edgar","filing":"0001567619-25-000276","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000276/form4.xml","form_type":"4"}},{"id":1162880,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2011 grant)","published_at":"2025-05-01T20:42:17.000Z","date":"2025-05-01","kind":"exercise","planned":false,"acquired":false,"shares":338,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."},{"field":"shares","element":"transactionShares","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."}],"balance_after":330,"derivative":{"exercise_date":"2025-05-01","expiration_date":"2025-05-01","underlying":"Common Stock","underlying_shares":338},"source":{"system":"sec-edgar","filing":"0001567619-25-000276","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000276/form4.xml","form_type":"4"}},{"id":1162879,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2012 grant)","published_at":"2025-05-01T20:42:17.000Z","date":"2025-05-01","kind":"exercise","planned":false,"acquired":false,"shares":824,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."},{"field":"shares","element":"transactionShares","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."}],"balance_after":842,"derivative":{"exercise_date":"2025-05-01","expiration_date":"2025-05-01","underlying":"Common Stock","underlying_shares":824},"source":{"system":"sec-edgar","filing":"0001567619-25-000276","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000276/form4.xml","form_type":"4"}},{"id":1162878,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2013 grant)","published_at":"2025-05-01T20:42:17.000Z","date":"2025-05-01","kind":"exercise","planned":false,"acquired":false,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":4956,"derivative":{"exercise_date":"2025-05-01","expiration_date":"2025-05-01","underlying":"Common Stock","underlying_shares":708},"source":{"system":"sec-edgar","filing":"0001567619-25-000276","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000276/form4.xml","form_type":"4"}},{"id":1162877,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2014 grant)","published_at":"2025-05-01T20:42:17.000Z","date":"2025-05-01","kind":"exercise","planned":false,"acquired":false,"shares":480,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":3368,"derivative":{"exercise_date":"2025-05-01","expiration_date":"2025-05-01","underlying":"Common Stock","underlying_shares":480},"source":{"system":"sec-edgar","filing":"0001567619-25-000276","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000276/form4.xml","form_type":"4"}},{"id":1162876,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2015 grant)","published_at":"2025-05-01T20:42:17.000Z","date":"2025-05-01","kind":"exercise","planned":false,"acquired":false,"shares":350,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":2438,"derivative":{"exercise_date":"2025-05-01","expiration_date":"2025-05-01","underlying":"Common Stock","underlying_shares":350},"source":{"system":"sec-edgar","filing":"0001567619-25-000276","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000276/form4.xml","form_type":"4"}},{"id":1162875,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-05-01T20:42:17.000Z","date":"2025-05-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":2113,"price":153.28,"value":323880.64,"ownership":{"direct":true},"balance_after":113251,"source":{"system":"sec-edgar","filing":"0001567619-25-000276","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000276/form4.xml","form_type":"4"}},{"id":1162874,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-05-01T20:42:17.000Z","date":"2025-05-01","kind":"exercise","planned":false,"acquired":true,"shares":1858,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."}],"balance_after":115364,"source":{"system":"sec-edgar","filing":"0001567619-25-000276","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000276/form4.xml","form_type":"4"}},{"id":1162873,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-05-01T20:42:17.000Z","date":"2025-05-01","kind":"exercise","planned":false,"acquired":true,"shares":550,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."}],"balance_after":113506,"source":{"system":"sec-edgar","filing":"0001567619-25-000276","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000276/form4.xml","form_type":"4"}},{"id":1162872,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-05-01T20:42:17.000Z","date":"2025-05-01","kind":"exercise","planned":false,"acquired":true,"shares":338,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."}],"balance_after":112956,"source":{"system":"sec-edgar","filing":"0001567619-25-000276","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000276/form4.xml","form_type":"4"}},{"id":1162871,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-05-01T20:42:17.000Z","date":"2025-05-01","kind":"exercise","planned":false,"acquired":true,"shares":824,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."}],"balance_after":112618,"source":{"system":"sec-edgar","filing":"0001567619-25-000276","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000276/form4.xml","form_type":"4"}},{"id":1162870,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-05-01T20:42:17.000Z","date":"2025-05-01","kind":"exercise","planned":false,"acquired":true,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."}],"balance_after":111794,"source":{"system":"sec-edgar","filing":"0001567619-25-000276","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000276/form4.xml","form_type":"4"}},{"id":1162869,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-05-01T20:42:17.000Z","date":"2025-05-01","kind":"exercise","planned":false,"acquired":true,"shares":480,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."}],"balance_after":111086,"source":{"system":"sec-edgar","filing":"0001567619-25-000276","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000276/form4.xml","form_type":"4"}},{"id":1162868,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-05-01T20:42:17.000Z","date":"2025-05-01","kind":"exercise","planned":false,"acquired":true,"shares":350,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on May 1, 2025."}],"balance_after":110606,"source":{"system":"sec-edgar","filing":"0001567619-25-000276","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000276/form4.xml","form_type":"4"}},{"id":1185043,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (grants prior to 2010)","published_at":"2025-04-02T20:12:13.000Z","date":"2025-04-01","kind":"exercise","planned":false,"acquired":false,"shares":1858,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."},{"field":"shares","element":"transactionShares","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."}],"balance_after":3704,"derivative":{"exercise_date":"2025-04-01","expiration_date":"2025-04-01","underlying":"Common Stock","underlying_shares":1858},"source":{"system":"sec-edgar","filing":"0001567619-25-000256","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000256/form4.xml","form_type":"4"}},{"id":1185042,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2010 grant)","published_at":"2025-04-02T20:12:13.000Z","date":"2025-04-01","kind":"exercise","planned":false,"acquired":false,"shares":550,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."},{"field":"shares","element":"transactionShares","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."}],"balance_after":1098,"derivative":{"exercise_date":"2025-04-01","expiration_date":"2025-04-01","underlying":"Common Stock","underlying_shares":550},"source":{"system":"sec-edgar","filing":"0001567619-25-000256","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000256/form4.xml","form_type":"4"}},{"id":1185041,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2011 grant)","published_at":"2025-04-02T20:12:13.000Z","date":"2025-04-01","kind":"exercise","planned":false,"acquired":false,"shares":338,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."},{"field":"shares","element":"transactionShares","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."}],"balance_after":668,"derivative":{"exercise_date":"2025-04-01","expiration_date":"2025-04-01","underlying":"Common Stock","underlying_shares":338},"source":{"system":"sec-edgar","filing":"0001567619-25-000256","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000256/form4.xml","form_type":"4"}},{"id":1185040,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2012 grant)","published_at":"2025-04-02T20:12:13.000Z","date":"2025-04-01","kind":"exercise","planned":false,"acquired":false,"shares":824,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."},{"field":"shares","element":"transactionShares","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."}],"balance_after":1666,"derivative":{"exercise_date":"2025-04-01","expiration_date":"2025-04-01","underlying":"Common Stock","underlying_shares":824},"source":{"system":"sec-edgar","filing":"0001567619-25-000256","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000256/form4.xml","form_type":"4"}},{"id":1185039,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2013 grant)","published_at":"2025-04-02T20:12:13.000Z","date":"2025-04-01","kind":"exercise","planned":false,"acquired":false,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":5664,"derivative":{"exercise_date":"2025-04-01","expiration_date":"2025-04-01","underlying":"Common Stock","underlying_shares":708},"source":{"system":"sec-edgar","filing":"0001567619-25-000256","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000256/form4.xml","form_type":"4"}},{"id":1185038,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2014 grant)","published_at":"2025-04-02T20:12:13.000Z","date":"2025-04-01","kind":"exercise","planned":false,"acquired":false,"shares":480,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":3848,"derivative":{"exercise_date":"2025-04-01","expiration_date":"2025-04-01","underlying":"Common Stock","underlying_shares":480},"source":{"system":"sec-edgar","filing":"0001567619-25-000256","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000256/form4.xml","form_type":"4"}},{"id":1185037,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2015 grant)","published_at":"2025-04-02T20:12:13.000Z","date":"2025-04-01","kind":"exercise","planned":false,"acquired":false,"shares":350,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."},{"field":"shares","element":"transactionShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":2788,"derivative":{"exercise_date":"2025-04-01","expiration_date":"2025-04-01","underlying":"Common Stock","underlying_shares":350},"source":{"system":"sec-edgar","filing":"0001567619-25-000256","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000256/form4.xml","form_type":"4"}},{"id":1185036,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-04-02T20:12:13.000Z","date":"2025-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":2113,"price":165.45,"value":349595.85,"ownership":{"direct":true},"balance_after":110256,"source":{"system":"sec-edgar","filing":"0001567619-25-000256","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000256/form4.xml","form_type":"4"}},{"id":1185035,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-04-02T20:12:13.000Z","date":"2025-04-01","kind":"exercise","planned":false,"acquired":true,"shares":1858,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."}],"balance_after":112369,"source":{"system":"sec-edgar","filing":"0001567619-25-000256","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000256/form4.xml","form_type":"4"}},{"id":1185034,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-04-02T20:12:13.000Z","date":"2025-04-01","kind":"exercise","planned":false,"acquired":true,"shares":550,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."}],"balance_after":110511,"source":{"system":"sec-edgar","filing":"0001567619-25-000256","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000256/form4.xml","form_type":"4"}},{"id":1185033,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-04-02T20:12:13.000Z","date":"2025-04-01","kind":"exercise","planned":false,"acquired":true,"shares":338,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."}],"balance_after":109961,"source":{"system":"sec-edgar","filing":"0001567619-25-000256","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000256/form4.xml","form_type":"4"}},{"id":1185032,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-04-02T20:12:13.000Z","date":"2025-04-01","kind":"exercise","planned":false,"acquired":true,"shares":824,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."}],"balance_after":109623,"source":{"system":"sec-edgar","filing":"0001567619-25-000256","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000256/form4.xml","form_type":"4"}},{"id":1185031,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-04-02T20:12:13.000Z","date":"2025-04-01","kind":"exercise","planned":false,"acquired":true,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."}],"balance_after":108799,"source":{"system":"sec-edgar","filing":"0001567619-25-000256","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000256/form4.xml","form_type":"4"}},{"id":1185030,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-04-02T20:12:13.000Z","date":"2025-04-01","kind":"exercise","planned":false,"acquired":true,"shares":480,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."}],"balance_after":108091,"source":{"system":"sec-edgar","filing":"0001567619-25-000256","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000256/form4.xml","form_type":"4"}},{"id":1185029,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-04-02T20:12:13.000Z","date":"2025-04-01","kind":"exercise","planned":false,"acquired":true,"shares":350,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on April 1, 2025."}],"balance_after":107611,"source":{"system":"sec-edgar","filing":"0001567619-25-000256","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000256/form4.xml","form_type":"4"}},{"id":1237206,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (grants prior to 2010)","published_at":"2025-03-03T21:10:53.000Z","date":"2025-03-01","kind":"exercise","planned":false,"acquired":false,"shares":1858,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on March 1, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on March 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."}],"balance_after":5562,"derivative":{"exercise_date":"2025-03-01","expiration_date":"2025-03-01","underlying":"Common Stock","underlying_shares":1858},"source":{"system":"sec-edgar","filing":"0001567619-25-000211","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000211/form4.xml","form_type":"4"}},{"id":1237205,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2010 grant)","published_at":"2025-03-03T21:10:53.000Z","date":"2025-03-01","kind":"exercise","planned":false,"acquired":false,"shares":550,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on March 1, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on March 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020, September 10, 2012 and August 24, 2010."}],"balance_after":1648,"derivative":{"exercise_date":"2025-03-01","expiration_date":"2025-03-01","underlying":"Common Stock","underlying_shares":550},"source":{"system":"sec-edgar","filing":"0001567619-25-000211","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000211/form4.xml","form_type":"4"}},{"id":1237204,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2011 grant)","published_at":"2025-03-03T21:10:53.000Z","date":"2025-03-01","kind":"exercise","planned":false,"acquired":false,"shares":338,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on March 1, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on March 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."}],"balance_after":1006,"derivative":{"exercise_date":"2025-03-01","expiration_date":"2025-03-01","underlying":"Common Stock","underlying_shares":338},"source":{"system":"sec-edgar","filing":"0001567619-25-000211","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000211/form4.xml","form_type":"4"}},{"id":1237203,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2012 grant)","published_at":"2025-03-03T21:10:53.000Z","date":"2025-03-01","kind":"exercise","planned":false,"acquired":false,"shares":824,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on March 1, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on March 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on each of March 25, 2020 and September 10, 2012."}],"balance_after":2490,"derivative":{"exercise_date":"2025-03-01","expiration_date":"2025-03-01","underlying":"Common Stock","underlying_shares":824},"source":{"system":"sec-edgar","filing":"0001567619-25-000211","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000211/form4.xml","form_type":"4"}},{"id":1237202,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2013 grant)","published_at":"2025-03-03T21:10:53.000Z","date":"2025-03-01","kind":"exercise","planned":false,"acquired":false,"shares":708,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on March 1, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on March 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":6372,"derivative":{"exercise_date":"2025-03-01","expiration_date":"2025-03-01","underlying":"Common Stock","underlying_shares":708},"source":{"system":"sec-edgar","filing":"0001567619-25-000211","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000211/form4.xml","form_type":"4"}},{"id":1237201,"issuer":{"id":3086,"kind":"organization","name":"OLD DOMINION FREIGHT LINE, INC.","symbol":"ODFL"},"owners":[{"id":45812,"kind":"person","name":"Gantt Greg C","position":1,"cik":"0001488810","reported_name":"Gantt Greg C","relationship":{"director":true}}],"security":"Phantom Stock (2014 grant)","published_at":"2025-03-03T21:10:53.000Z","date":"2025-03-01","kind":"exercise","planned":false,"acquired":false,"shares":480,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on March 1, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of phantom stock was the economic equivalent of one share of Old Dominion Freight Line, Inc. common stock. This Form 4 is being filed to report the settlement of certain outstanding phantom stock awards in shares of Old Dominion Freight Line, Inc. common stock on March 1, 2025."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Adjusted to reflect a two-for-one stock split on March 28, 2024 and a three-for-two stock split on March 25, 2020."}],"balance_after":4328,"derivative":{"exercise_date":"2025-03-01","expiration_date":"2025-03-01","underlying":"Common Stock","underlying_shares":480},"source":{"system":"sec-edgar","filing":"0001567619-25-000211","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/878927/000156761925000211/form4.xml","form_type":"4"}}],"next_cursor":"2025-03-03T21:10:53.000000Z,1237201"}