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The reporting person undertakes to provide to Marten Transport, Ltd., any security holder of Marten Transport, Ltd., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4."}],"balance_after":156444,"source":{"system":"sec-edgar","filing":"0001235802-24-000088","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/799167/000123580224000088/primary_doc.xml","form_type":"4"}},{"id":1427002,"issuer":{"id":4880,"kind":"organization","name":"MARTEN TRANSPORT LTD"},"owners":[{"id":27891,"kind":"person","name":"MARTEN RANDOLPH L","position":1,"cik":"0001253979","reported_name":"MARTEN RANDOLPH L","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Exec. 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The reporting person undertakes to provide to Marten Transport, Ltd., any security holder of Marten Transport, Ltd., 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 ranges set forth in footnote (2) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes: (i) 3,858 shares granted under a Performance Unit Award Agreement that vest on 12/31/2024 through 12/31/2028; (ii) 1,200 shares granted under a Performance Unit Award Agreement that vest on 12/31/2024 through 12/31/2027; (iii) 900 shares granted under a Performance Unit Award Agreement that vest on 12/31/2024 through 12/31/2026; (iv) 400 shares granted under a Performance Unit Award Agreement that vest on 12/31/2024 through 12/31/2025; and (v) 300 shares granted under a Performance Unit Award Agreement that vest on 12/31/2024."}],"balance_after":7448,"source":{"system":"sec-edgar","filing":"0001235802-24-000057","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/799167/000123580224000057/primary_doc.xml","form_type":"4"}},{"id":1448987,"issuer":{"id":4880,"kind":"organization","name":"MARTEN TRANSPORT LTD"},"owners":[{"id":49252,"kind":"person","name":"Phillips Adam Daniel","position":1,"cik":"0002005041","reported_name":"Phillips Adam Daniel","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & Chief Operating Officer"}}],"security":"Common Stock","published_at":"2024-07-25T20:54:57.000Z","date":"2024-07-25","kind":"exercise","planned":false,"acquired":true,"shares":4500,"price":10.867,"value":48901.5,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes: (i) 3,858 shares granted under a Performance Unit Award Agreement that vest on 12/31/2024 through 12/31/2028; (ii) 1,200 shares granted under a Performance Unit Award Agreement that vest on 12/31/2024 through 12/31/2027; (iii) 900 shares granted under a Performance Unit Award Agreement that vest on 12/31/2024 through 12/31/2026; (iv) 400 shares granted under a Performance Unit Award Agreement that vest on 12/31/2024 through 12/31/2025; and (v) 300 shares granted under a Performance Unit Award Agreement that vest on 12/31/2024."}],"balance_after":11948,"source":{"system":"sec-edgar","filing":"0001235802-24-000057","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/799167/000123580224000057/primary_doc.xml","form_type":"4"}},{"id":1481458,"issuer":{"id":4880,"kind":"organization","name":"MARTEN TRANSPORT LTD"},"owners":[{"id":49251,"kind":"person","name":"Petit Douglas Paul","position":1,"cik":"0001881752","reported_name":"Petit Douglas Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Stock Option (right to buy)","published_at":"2024-06-13T20:59:46.000Z","date":"2024-06-12","kind":"exercise","planned":false,"acquired":false,"shares":4500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This option has fully vested."}],"balance_after":0,"derivative":{"exercise_price":10.867,"expiration_date":"2024-08-15","underlying":"Common Stock","underlying_shares":4500},"source":{"system":"sec-edgar","filing":"0001235802-24-000054","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/799167/000123580224000054/primary_doc.xml","form_type":"4"}},{"id":1481457,"issuer":{"id":4880,"kind":"organization","name":"MARTEN TRANSPORT LTD"},"owners":[{"id":49251,"kind":"person","name":"Petit Douglas Paul","position":1,"cik":"0001881752","reported_name":"Petit Douglas Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2024-06-13T20:59:46.000Z","date":"2024-06-12","kind":"sale","planned":false,"acquired":false,"shares":4500,"price":18.2219,"value":81998.55,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. 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The reporting person undertakes to provide to Marten Transport, Ltd., any security holder of Marten Transport, Ltd., 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 ranges set forth in footnote (2) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes: (i) 4,990 shares granted under a Performance Unit Award Agreement that vest on 12/31/2024 through 12/31/2028; (ii) 3,437 shares granted under a Performance Unit Award Agreement that vest on 12/31/2024 through 12/31/2027; (iii) 3,075 shares granted under a Performance Unit Award Agreement that vest on 12/31/2024 through 12/31/2026; (iv) 400 shares granted under a Performance Unit Award Agreement that vest on 12/31/2024 through 12/31/2025; and (v) 300 shares granted under a Performance Unit Award Agreement that vest on 12/31/2024."}],"balance_after":31600,"source":{"system":"sec-edgar","filing":"0001235802-24-000054","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/799167/000123580224000054/primary_doc.xml","form_type":"4"}},{"id":1481456,"issuer":{"id":4880,"kind":"organization","name":"MARTEN TRANSPORT LTD"},"owners":[{"id":49251,"kind":"person","name":"Petit Douglas Paul","position":1,"cik":"0001881752","reported_name":"Petit Douglas Paul","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President"}}],"security":"Common Stock","published_at":"2024-06-13T20:59:46.000Z","date":"2024-06-12","kind":"exercise","planned":false,"acquired":true,"shares":4500,"price":10.867,"value":48901.5,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes: (i) 4,990 shares granted under a Performance Unit Award Agreement that vest on 12/31/2024 through 12/31/2028; 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