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The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request."}],"balance_after":3935,"source":{"system":"sec-edgar","filing":"0000886346-21-000071","document":"wf-form4_162128298932040.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634621000071/wf-form4_162128298932040.xml","form_type":"4"}},{"id":2711221,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":121181,"kind":"person","name":"Tully William P","position":1,"cik":"0001507372","reported_name":"Tully William P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-05-17T20:23:23.000Z","date":"2021-05-17","kind":"sale","acquired":false,"shares":204,"price":172.5226,"value":35194.6104,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction reported on this Form 4 was executed pursuant to a Rule 10b5-1 trading plan adopted March 8, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sale price.  The actual sales prices range from $172.245 to $172.74 per share.  The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request."}],"balance_after":4335,"source":{"system":"sec-edgar","filing":"0000886346-21-000071","document":"wf-form4_162128298932040.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634621000071/wf-form4_162128298932040.xml","form_type":"4"}},{"id":2711220,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":121181,"kind":"person","name":"Tully William P","position":1,"cik":"0001507372","reported_name":"Tully William P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-05-17T20:23:23.000Z","date":"2021-05-17","kind":"sale","acquired":false,"shares":325,"price":171.7102,"value":55805.815,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction reported on this Form 4 was executed pursuant to a Rule 10b5-1 trading plan adopted March 8, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sale price.  The actual sales prices range from $171.24 to $172.13 per share.  The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request."}],"balance_after":4539,"source":{"system":"sec-edgar","filing":"0000886346-21-000071","document":"wf-form4_162128298932040.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634621000071/wf-form4_162128298932040.xml","form_type":"4"}},{"id":2926581,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":121181,"kind":"person","name":"Tully William P","position":1,"cik":"0001507372","reported_name":"Tully William P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit","published_at":"2021-01-04T21:04:57.000Z","date":"2021-01-02","kind":"exercise","acquired":false,"shares":521,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Represents partial vesting of a restricted stock unit award on January 2, 2021 and delivery of shares to the reporting person pursuant to the terms of a restricted stock unit award agreement dated May 12, 2020."}],"balance_after":0,"derivative":{"exercise_price":0,"expiration_date":"2021-01-31","underlying":"Common Stock","underlying_shares":521},"source":{"system":"sec-edgar","filing":"0000886346-21-000002","document":"wf-form4_160979428495713.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634621000002/wf-form4_160979428495713.xml","form_type":"4"}},{"id":2926580,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":121181,"kind":"person","name":"Tully William P","position":1,"cik":"0001507372","reported_name":"Tully William P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-01-04T21:04:57.000Z","date":"2021-01-02","kind":"exercise","acquired":true,"shares":521,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents partial vesting of a restricted stock unit award on January 2, 2021 and delivery of shares to the reporting person pursuant to the terms of a restricted stock unit award agreement dated May 12, 2020."}],"balance_after":4864,"source":{"system":"sec-edgar","filing":"0000886346-21-000002","document":"wf-form4_160979428495713.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634621000002/wf-form4_160979428495713.xml","form_type":"4"}},{"id":3021217,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":121181,"kind":"person","name":"Tully William P","position":1,"cik":"0001507372","reported_name":"Tully William P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit","published_at":"2020-09-29T20:06:37.000Z","date":"2020-09-26","kind":"exercise","acquired":false,"shares":521,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Represents partial vesting of a restricted stock unit award on September 26, 2020 and delivery of shares to the reporting person pursuant to the terms of a restricted stock unit award agreement dated May 12, 2020.  The remainder of the shares vest on the last day of the Issuer's fourth quarter of fiscal 2020 provided the recipient continues to serve as a director of the Issuer."}],"balance_after":521,"derivative":{"exercise_price":0,"expiration_date":"2021-01-31","underlying":"Common Stock","underlying_shares":521},"source":{"system":"sec-edgar","filing":"0000886346-20-000119","document":"wf-form4_160140998357140.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634620000119/wf-form4_160140998357140.xml","form_type":"4"}},{"id":3021216,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":121181,"kind":"person","name":"Tully William P","position":1,"cik":"0001507372","reported_name":"Tully William P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-09-29T20:06:37.000Z","date":"2020-09-26","kind":"exercise","acquired":true,"shares":521,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents partial vesting of a restricted stock unit award on September 26, 2020 and delivery of shares to the reporting person pursuant to the terms of a restricted stock unit award agreement dated May 12, 2020.  The remainder of the shares vest on the last day of the Issuer's fourth quarter of fiscal 2020 provided the recipient continues to serve as a director of the Issuer."}],"balance_after":4343,"source":{"system":"sec-edgar","filing":"0000886346-20-000119","document":"wf-form4_160140998357140.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634620000119/wf-form4_160140998357140.xml","form_type":"4"}},{"id":3033718,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":121181,"kind":"person","name":"Tully William P","position":1,"cik":"0001507372","reported_name":"Tully William P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-09-11T20:15:00.000Z","date":"2020-09-10","kind":"sale","acquired":false,"shares":1379,"price":114.34,"value":157674.86,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction reported on this Form 4 was executed pursuant to a Rule 10b5-1 trading plan adopted August 10, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sale price.  The actual sales prices range from $114.02 to $114.75 per share.  The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request."}],"balance_after":3822,"source":{"system":"sec-edgar","filing":"0000886346-20-000115","document":"wf-form4_159985528623002.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634620000115/wf-form4_159985528623002.xml","form_type":"4"}},{"id":3033717,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":121181,"kind":"person","name":"Tully William P","position":1,"cik":"0001507372","reported_name":"Tully William P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-09-11T20:15:00.000Z","date":"2020-09-10","kind":"sale","acquired":false,"shares":900,"price":113.435,"value":102091.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction reported on this Form 4 was executed pursuant to a Rule 10b5-1 trading plan adopted August 10, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents the weighted average sale price.  The actual sales prices range from $113.01 to $113.755 per share.  The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request."}],"balance_after":5201,"source":{"system":"sec-edgar","filing":"0000886346-20-000115","document":"wf-form4_159985528623002.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634620000115/wf-form4_159985528623002.xml","form_type":"4"}},{"id":3129720,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":121181,"kind":"person","name":"Tully William P","position":1,"cik":"0001507372","reported_name":"Tully William P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit","published_at":"2020-06-01T20:44:38.000Z","date":"2020-06-01","kind":"exercise","acquired":false,"shares":1043,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Represents partial vesting of a restricted stock unit award on June 1, 2020 and delivery of shares to the reporting person pursuant to the terms of a restricted stock unit award agreement dated May 12, 2020.  The remainder of the shares vest in two equal installments on the last day of each of the Issuer's third and fourth quarters of fiscal 2020 provided the recipient continues to serve as a director of the Issuer."}],"balance_after":1042,"derivative":{"exercise_price":0,"expiration_date":"2021-01-31","underlying":"Common Stock","underlying_shares":1043},"source":{"system":"sec-edgar","filing":"0000886346-20-000097","document":"wf-form4_159104426126311.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634620000097/wf-form4_159104426126311.xml","form_type":"4"}},{"id":3129719,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":121181,"kind":"person","name":"Tully William P","position":1,"cik":"0001507372","reported_name":"Tully William P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2020-06-01T20:44:38.000Z","date":"2020-06-01","kind":"exercise","acquired":true,"shares":1043,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents partial vesting of a restricted stock unit award on June 1, 2020 and delivery of shares to the reporting person pursuant to the terms of a restricted stock unit award agreement dated May 12, 2020.  The remainder of the shares vest in two equal installments on the last day of each of the Issuer's third and fourth quarters of fiscal 2020 provided the recipient continues to serve as a director of the Issuer."}],"balance_after":6101,"source":{"system":"sec-edgar","filing":"0000886346-20-000097","document":"wf-form4_159104426126311.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634620000097/wf-form4_159104426126311.xml","form_type":"4"}},{"id":3149707,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":121181,"kind":"person","name":"Tully William P","position":1,"cik":"0001507372","reported_name":"Tully William P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock 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The actual sales prices range from $98.42 to $99 per share.  The reporting person will supply the SEC, the Issuer, or a security holder of the Issuer, with full information regarding the number of shares at each price upon request."}],"balance_after":4594,"source":{"system":"sec-edgar","filing":"0000886346-19-000161","document":"wf-form4_157359266972305.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634619000161/wf-form4_157359266972305.xml","form_type":"4"}},{"id":3404824,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":121181,"kind":"person","name":"Tully William P","position":1,"cik":"0001507372","reported_name":"Tully William P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit","published_at":"2019-09-30T13:09:07.000Z","date":"2019-09-28","kind":"exercise","acquired":false,"shares":465,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Represents partial vesting of a restricted stock unit award on September 28, 2019 and delivery of shares to the reporting person pursuant to the terms of a restricted stock unit award agreement dated May 16, 2019.  The remainder of the shares vest on the last day of the Issuer's fourth quarter of fiscal 2019 provided the recipient continues to serve as a director of the Issuer."}],"balance_after":464,"derivative":{"exercise_price":0,"expiration_date":"2020-01-31","underlying":"Common Stock","underlying_shares":465},"source":{"system":"sec-edgar","filing":"0000886346-19-000134","document":"wf-form4_156984892482863.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634619000134/wf-form4_156984892482863.xml","form_type":"4"}},{"id":3404823,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":121181,"kind":"person","name":"Tully William P","position":1,"cik":"0001507372","reported_name":"Tully William P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2019-09-30T13:09:07.000Z","date":"2019-09-28","kind":"exercise","acquired":true,"shares":465,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents partial vesting of a restricted stock unit award on September 28, 2019 and delivery of shares to the reporting person pursuant to the terms of a restricted stock unit award agreement dated May 16, 2019.  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The remainder of the shares vest in two equal installments on the last day of each of the Issuer's third and fourth quarters of fiscal 2019 provided the recipient continues to serve as a director of the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Represents partial vesting of a restricted stock unit award on June 1, 2019 and delivery of shares to the reporting person pursuant to the terms of a restricted stock unit award agreement dated May 16, 2019.  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The remainder of the shares vest in two equal installments on the last day of each of the issuer's third and fourth quarters of fiscal 2018 provided the recipient continues to serve as a director of the issuer."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F1","text":"Represents partial vesting of a restricted stock unit award on June 1, 2018 and delivery of shares to the reporting person pursuant to the terms of a restricted stock unit award agreement dated May 16, 2018.  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