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One-third of the RSU vested and became distributable on March 10, 2022 and was converted to common stock on a one-for-one basis on the vesting date."}],"balance_after":31140,"source":{"system":"sec-edgar","filing":"0000886346-22-000044","document":"wf-form4_164700728895552.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634622000044/wf-form4_164700728895552.xml","form_type":"4"}},{"id":2338505,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":128552,"kind":"person","name":"Langevin Eric T","position":1,"cik":"0001354978","reported_name":"Langevin Eric T","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & COO"}}],"security":"Common Stock","published_at":"2022-03-11T14:01:43.000Z","date":"2022-03-10","kind":"tax_withholding","acquired":false,"shares":161,"price":202.22,"value":32557.42,"ownership":{"direct":true},"balance_after":29652,"source":{"system":"sec-edgar","filing":"0000886346-22-000044","document":"wf-form4_164700728895552.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634622000044/wf-form4_164700728895552.xml","form_type":"4"}},{"id":2338504,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":128552,"kind":"person","name":"Langevin Eric T","position":1,"cik":"0001354978","reported_name":"Langevin Eric T","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & COO"}}],"security":"Common Stock","published_at":"2022-03-11T14:01:43.000Z","date":"2022-03-10","kind":"exercise","acquired":true,"shares":363,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The shares represent the partial settlement under a time-based RSU award granted March 4, 2019.  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One-third of the RSU vested and became distributable on March 10, 2022 and was converted to common stock on a one-for-one basis on the vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 176 shares acquired in an exempt transaction pursuant to the Issuer's Employee Stock Purchase Plan on December 31, 2021."}],"balance_after":30086,"source":{"system":"sec-edgar","filing":"0000886346-22-000044","document":"wf-form4_164700728895552.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634622000044/wf-form4_164700728895552.xml","form_type":"4"}},{"id":2508914,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":128552,"kind":"person","name":"Langevin Eric T","position":1,"cik":"0001354978","reported_name":"Langevin Eric T","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & COO"}}],"security":"Common Stock","published_at":"2021-11-17T21:13:04.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":1,"price":228.71,"value":228.71,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported on this Form 4 were executed pursuant to a Rule 10b5-1 trading plan adopted September 9, 2021."}],"balance_after":28477,"source":{"system":"sec-edgar","filing":"0000886346-21-000163","document":"wf-form4_163718356836142.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634621000163/wf-form4_163718356836142.xml","form_type":"4"}},{"id":2508913,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":128552,"kind":"person","name":"Langevin Eric T","position":1,"cik":"0001354978","reported_name":"Langevin Eric T","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & COO"}}],"security":"Common Stock","published_at":"2021-11-17T21:13:04.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":400,"price":227.6073,"value":91042.92,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported on this Form 4 were executed pursuant to a Rule 10b5-1 trading plan adopted September 9, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F11","text":"Represents the weighted average sale price.  The actual sales prices range from $227.46 to $227.82 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":28478,"source":{"system":"sec-edgar","filing":"0000886346-21-000163","document":"wf-form4_163718356836142.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634621000163/wf-form4_163718356836142.xml","form_type":"4"}},{"id":2508912,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":128552,"kind":"person","name":"Langevin Eric T","position":1,"cik":"0001354978","reported_name":"Langevin Eric T","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & COO"}}],"security":"Common Stock","published_at":"2021-11-17T21:13:04.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":136,"price":226.3275,"value":30780.54,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported on this Form 4 were executed pursuant to a Rule 10b5-1 trading plan adopted September 9, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"Represents the weighted average sale price.  The actual sales prices range from $226.28 to $226.74 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":28878,"source":{"system":"sec-edgar","filing":"0000886346-21-000163","document":"wf-form4_163718356836142.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634621000163/wf-form4_163718356836142.xml","form_type":"4"}},{"id":2508911,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":128552,"kind":"person","name":"Langevin Eric T","position":1,"cik":"0001354978","reported_name":"Langevin Eric T","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & COO"}}],"security":"Common Stock","published_at":"2021-11-17T21:13:04.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":1877,"price":225.6153,"value":423479.9181,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported on this Form 4 were executed pursuant to a Rule 10b5-1 trading plan adopted September 9, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"Represents the weighted average sale price.  The actual sales prices range from $225.21 to $226.19 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":29014,"source":{"system":"sec-edgar","filing":"0000886346-21-000163","document":"wf-form4_163718356836142.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634621000163/wf-form4_163718356836142.xml","form_type":"4"}},{"id":2508910,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":128552,"kind":"person","name":"Langevin Eric T","position":1,"cik":"0001354978","reported_name":"Langevin Eric T","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & COO"}}],"security":"Common Stock","published_at":"2021-11-17T21:13:04.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":1496,"price":224.2102,"value":335418.4592,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported on this Form 4 were executed pursuant to a Rule 10b5-1 trading plan adopted September 9, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Represents the weighted average sale price.  The actual sales prices range from $223.88 to $224.77 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":30891,"source":{"system":"sec-edgar","filing":"0000886346-21-000163","document":"wf-form4_163718356836142.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634621000163/wf-form4_163718356836142.xml","form_type":"4"}},{"id":2508909,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":128552,"kind":"person","name":"Langevin Eric T","position":1,"cik":"0001354978","reported_name":"Langevin Eric T","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & COO"}}],"security":"Common Stock","published_at":"2021-11-17T21:13:04.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":6000,"price":223.1228,"value":1338736.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported on this Form 4 were executed pursuant to a Rule 10b5-1 trading plan adopted September 9, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"Represents the weighted average sale price.  The actual sales prices range from $222.82 to $223.81 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":32387,"source":{"system":"sec-edgar","filing":"0000886346-21-000163","document":"wf-form4_163718356836142.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634621000163/wf-form4_163718356836142.xml","form_type":"4"}},{"id":2508908,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":128552,"kind":"person","name":"Langevin Eric T","position":1,"cik":"0001354978","reported_name":"Langevin Eric T","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & COO"}}],"security":"Common Stock","published_at":"2021-11-17T21:13:04.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":3986,"price":222.2529,"value":885900.0594,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported on this Form 4 were executed pursuant to a Rule 10b5-1 trading plan adopted September 9, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"Represents the weighted average sale price.  The actual sales prices range from $221.81 to $222.81 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":38387,"source":{"system":"sec-edgar","filing":"0000886346-21-000163","document":"wf-form4_163718356836142.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634621000163/wf-form4_163718356836142.xml","form_type":"4"}},{"id":2508907,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":128552,"kind":"person","name":"Langevin Eric T","position":1,"cik":"0001354978","reported_name":"Langevin Eric T","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & COO"}}],"security":"Common Stock","published_at":"2021-11-17T21:13:04.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":1123,"price":221.2946,"value":248513.8358,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported on this Form 4 were executed pursuant to a Rule 10b5-1 trading plan adopted September 9, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Represents the weighted average sale price.  The actual sales prices range from $220.80 to $221.80 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":42373,"source":{"system":"sec-edgar","filing":"0000886346-21-000163","document":"wf-form4_163718356836142.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634621000163/wf-form4_163718356836142.xml","form_type":"4"}},{"id":2508906,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":128552,"kind":"person","name":"Langevin Eric T","position":1,"cik":"0001354978","reported_name":"Langevin Eric T","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & COO"}}],"security":"Common Stock","published_at":"2021-11-17T21:13:04.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":3525,"price":220.239,"value":776342.475,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported on this Form 4 were executed pursuant to a Rule 10b5-1 trading plan adopted September 9, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents the weighted average sale price.  The actual sales prices range from $219.76 to $220.75 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":43496,"source":{"system":"sec-edgar","filing":"0000886346-21-000163","document":"wf-form4_163718356836142.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/886346/000088634621000163/wf-form4_163718356836142.xml","form_type":"4"}},{"id":2508905,"issuer":{"id":4135,"kind":"organization","name":"KADANT INC","symbol":"KAI"},"owners":[{"id":128552,"kind":"person","name":"Langevin Eric T","position":1,"cik":"0001354978","reported_name":"Langevin Eric T","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & COO"}}],"security":"Common Stock","published_at":"2021-11-17T21:13:04.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":3156,"price":219.2002,"value":691795.8312,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported on this Form 4 were executed pursuant to a Rule 10b5-1 trading plan adopted September 9, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sale price.  The actual sales prices range from $218.72 to $219.72 per share.  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