{"transactions":[{"id":2041450,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2023-01-31T22:08:54.000Z","date":"2023-01-30","kind":"tax_withholding","acquired":false,"shares":4793,"price":100.17,"value":480114.81,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on January 28 and January 29, 2023."}],"balance_after":208600,"source":{"system":"sec-edgar","filing":"0000904454-23-000071","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445423000071/edgar.xml","form_type":"4"}},{"id":2045902,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2023-01-26T21:55:38.000Z","date":"2023-01-25","kind":"tax_withholding","acquired":false,"shares":6579,"price":103.44,"value":680531.76,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on January 25, 2023."}],"balance_after":213393,"source":{"system":"sec-edgar","filing":"0000904454-23-000053","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445423000053/edgar.xml","form_type":"4"}},{"id":2045901,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2023-01-26T21:55:38.000Z","date":"2023-01-24","kind":"tax_withholding","acquired":false,"shares":3269,"price":103.02,"value":336772.38,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on January 24, 2023."}],"balance_after":219972,"source":{"system":"sec-edgar","filing":"0000904454-23-000053","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445423000053/edgar.xml","form_type":"4"}},{"id":2045900,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2023-01-26T21:55:38.000Z","date":"2023-01-24","kind":"tax_withholding","acquired":false,"shares":49594,"price":103.02,"value":5109173.88,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of performance-based restricted stock units on January 24, 2023."}],"balance_after":223241,"source":{"system":"sec-edgar","filing":"0000904454-23-000053","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445423000053/edgar.xml","form_type":"4"}},{"id":2046974,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2023-01-25T23:41:47.000Z","date":"2023-01-23","kind":"grant","acquired":true,"shares":105588,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents performance-based restricted stock units (\"PRSUs\") granted to the Reporting Person under the Issuer's 2006 Equity and Cash Compensation Incentive Plan on January 24, 2020. Each PRSU represents the right to receive one share of Common Stock. The number of PRSUs was determined on January 23, 2023 and vested in full on January 24, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 143 shares acquired under the Issuer's Employee Stock Purchase Plan on December 30, 2022."}],"balance_after":272835,"source":{"system":"sec-edgar","filing":"0000904454-23-000043","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445423000043/edgar.xml","form_type":"4"}},{"id":2079249,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2022-12-21T21:27:04.000Z","date":"2022-12-19","kind":"sale","acquired":false,"shares":1468,"price":89.05,"value":130725.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"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 $88.58 to $89.43. 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":167104,"source":{"system":"sec-edgar","filing":"0000904454-22-000645","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445422000645/edgar.xml","form_type":"4"}},{"id":2079248,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2022-12-21T21:27:04.000Z","date":"2022-12-19","kind":"sale","acquired":false,"shares":32400,"price":88.07,"value":2853468.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"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 $87.59 to $88.55. 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":168572,"source":{"system":"sec-edgar","filing":"0000904454-22-000645","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445422000645/edgar.xml","form_type":"4"}},{"id":2079247,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2022-12-21T21:27:04.000Z","date":"2022-12-19","kind":"sale","acquired":false,"shares":33763,"price":87.08,"value":2940082.04,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"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 $86.58 to $87.58. 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":200972,"source":{"system":"sec-edgar","filing":"0000904454-22-000645","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445422000645/edgar.xml","form_type":"4"}},{"id":2198614,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2022-08-02T20:42:49.000Z","date":"2022-07-29","kind":"sale","acquired":false,"shares":20063,"price":100.74,"value":2021146.62,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.26 to $101.14. 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":234735,"source":{"system":"sec-edgar","filing":"0000904454-22-000402","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445422000402/edgar.xml","form_type":"4"}},{"id":2198613,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2022-08-02T20:42:49.000Z","date":"2022-07-29","kind":"sale","acquired":false,"shares":13918,"price":99.79,"value":1388877.22,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"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 $99.25 to $100.25. 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":254798,"source":{"system":"sec-edgar","filing":"0000904454-22-000402","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445422000402/edgar.xml","form_type":"4"}},{"id":2198612,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO"}}],"security":"Common Stock","published_at":"2022-08-02T20:42:49.000Z","date":"2022-07-29","kind":"sale","acquired":false,"shares":3876,"price":98.84,"value":383103.84,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"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 $98.25 to $99.23. 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 75 shares acquired under the Issuer's Employee Stock Purchase Plan on June 30, 2022, and adjusted to reflect the correction made on the Reporting Person's Form 4/A filed on February 3, 2022."}],"balance_after":268716,"source":{"system":"sec-edgar","filing":"0000904454-22-000402","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445422000402/edgar.xml","form_type":"4"}},{"id":2412476,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2022-02-04T21:51:42.000Z","date":"2021-01-27","kind":"tax_withholding","acquired":false,"shares":6212,"price":130.11,"value":808243.32,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on January 27, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"This amendment is being filed to correct the amount of securities beneficially owned by the Reporting Person following the reported transaction on January 27, 2021.  This was an inadvertent computational error.  All other information reported in the original Form 4 filed on January 28, 2021 was correct."}],"balance_after":334097,"source":{"system":"sec-edgar","filing":"0000904454-22-000103","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445422000103/edgar.xml","form_type":"4/A","original_submission_date":"2021-01-28"}},{"id":2420456,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (Right to Buy)","published_at":"2022-02-01T21:45:06.000Z","date":"2022-01-28","kind":"grant","acquired":true,"shares":20764,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This option vests 25% per year over four years beginning on January 28, 2023, the first anniversary of the grant."}],"balance_after":20764,"derivative":{"exercise_price":112.12,"expiration_date":"2029-01-28","underlying":"Common Stock","underlying_shares":20764},"source":{"system":"sec-edgar","filing":"0000904454-22-000081","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445422000081/edgar.xml","form_type":"4"}},{"id":2420455,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2022-02-01T21:45:06.000Z","date":"2022-01-31","kind":"tax_withholding","acquired":false,"shares":1994,"price":117.43,"value":234155.42,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of RSUs on January 29, 2022."}],"balance_after":247614,"source":{"system":"sec-edgar","filing":"0000904454-22-000081","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445422000081/edgar.xml","form_type":"4"}},{"id":2420454,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2022-02-01T21:45:06.000Z","date":"2022-01-28","kind":"grant","acquired":true,"shares":21674,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted to the Reporting Person under the Issuer's 2006 Equity and Cash Compensation Incentive Plan.  Each RSU represents the right to receive one share of Common Stock.  The RSUs will vest in four equal annual installments beginning on January 28, 2023."}],"balance_after":249608,"source":{"system":"sec-edgar","filing":"0000904454-22-000081","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445422000081/edgar.xml","form_type":"4"}},{"id":2424708,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2022-01-27T23:13:54.000Z","date":"2022-01-26","kind":"tax_withholding","acquired":false,"shares":3913,"price":143.37,"value":561006.81,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on January 26, 2022."}],"balance_after":227934,"source":{"system":"sec-edgar","filing":"0000904454-22-000057","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445422000057/edgar.xml","form_type":"4"}},{"id":2424707,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2022-01-27T23:13:54.000Z","date":"2022-01-25","kind":"tax_withholding","acquired":false,"shares":60342,"price":138.29,"value":8344695.18,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of the PRSUs on January 25, 2022."}],"balance_after":231847,"source":{"system":"sec-edgar","filing":"0000904454-22-000057","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445422000057/edgar.xml","form_type":"4"}},{"id":2424706,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2022-01-27T23:13:54.000Z","date":"2022-01-25","kind":"grant","acquired":true,"shares":136056,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents performance-based restricted stock units (\"PRSUs\") granted to the Reporting Person under the Issuer's 2006 Equity and Cash Compensation Incentive Plan on January 25, 2019.  Each PRSU represents the right to receive one share of Common Stock.  The number of PRSUs was determined and vested in full on January 25, 2022."}],"balance_after":292189,"source":{"system":"sec-edgar","filing":"0000904454-22-000057","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445422000057/edgar.xml","form_type":"4"}},{"id":2425981,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2022-01-26T23:26:34.000Z","date":"2022-01-25","kind":"tax_withholding","acquired":false,"shares":6031,"price":138.29,"value":834026.99,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on January 25, 2022."}],"balance_after":156133,"source":{"system":"sec-edgar","filing":"0000904454-22-000051","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445422000051/edgar.xml","form_type":"4"}},{"id":2425980,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2022-01-26T23:26:34.000Z","date":"2022-01-24","kind":"tax_withholding","acquired":false,"shares":2008,"price":147.44,"value":296059.52,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on January 24, 2022."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 76 shares acquired under the Issuer's Employee Stock Purchase Plan on December 31, 2021."}],"balance_after":162164,"source":{"system":"sec-edgar","filing":"0000904454-22-000051","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445422000051/edgar.xml","form_type":"4"}},{"id":2532447,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-10-29T20:17:35.000Z","date":"2021-10-28","kind":"sale","acquired":false,"shares":2200,"price":137.85,"value":303270.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $137.52 to $138.15. 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":164096,"source":{"system":"sec-edgar","filing":"0000904454-21-000723","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000723/edgar.xml","form_type":"4"}},{"id":2532446,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-10-29T20:17:35.000Z","date":"2021-10-28","kind":"sale","acquired":false,"shares":10798,"price":136.98,"value":1479110.04,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $136.51 to $137.50. 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":166296,"source":{"system":"sec-edgar","filing":"0000904454-21-000723","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000723/edgar.xml","form_type":"4"}},{"id":2532445,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-10-29T20:17:35.000Z","date":"2021-10-28","kind":"sale","acquired":false,"shares":10642,"price":136.1,"value":1448376.2,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $135.50 to $136.49. 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":177094,"source":{"system":"sec-edgar","filing":"0000904454-21-000723","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000723/edgar.xml","form_type":"4"}},{"id":2532444,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-10-29T20:17:35.000Z","date":"2021-10-28","kind":"sale","acquired":false,"shares":4390,"price":135,"value":592650.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.48 to $135.41. 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":187736,"source":{"system":"sec-edgar","filing":"0000904454-21-000723","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000723/edgar.xml","form_type":"4"}},{"id":2532443,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-10-29T20:17:35.000Z","date":"2021-10-28","kind":"sale","acquired":false,"shares":500,"price":133.81,"value":66905.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.30 to $134.18. 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":192126,"source":{"system":"sec-edgar","filing":"0000904454-21-000723","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000723/edgar.xml","form_type":"4"}},{"id":2532442,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-10-29T20:17:35.000Z","date":"2021-10-28","kind":"sale","acquired":false,"shares":394,"price":132.43,"value":52177.42,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"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 $132.22 to $132.80. 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":192626,"source":{"system":"sec-edgar","filing":"0000904454-21-000723","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000723/edgar.xml","form_type":"4"}},{"id":2532441,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-10-29T20:17:35.000Z","date":"2021-10-28","kind":"sale","acquired":false,"shares":954,"price":131.5,"value":125451.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"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 $131.10 to $132.00. 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 93 shares acquired under the Issuer's Employee Stock Purchase Plan on June 30, 2021."}],"balance_after":193020,"source":{"system":"sec-edgar","filing":"0000904454-21-000723","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000723/edgar.xml","form_type":"4"}},{"id":2676736,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-06-09T20:42:16.000Z","date":"2021-06-04","kind":"sale","acquired":false,"shares":27518,"price":127.57,"value":3510471.26,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."}],"balance_after":193881,"source":{"system":"sec-edgar","filing":"0000904454-21-000522","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000522/edgar.xml","form_type":"4/A","original_submission_date":"2021-06-08"}},{"id":2678557,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-06-08T20:41:19.000Z","date":"2021-06-04","kind":"sale","acquired":true,"shares":27518,"price":127.57,"value":3510471.26,"ownership":{"direct":true},"balance_after":193881,"source":{"system":"sec-edgar","filing":"0000904454-21-000510","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000510/edgar.xml","form_type":"4"}},{"id":2777012,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (Right to Buy)","published_at":"2021-03-22T22:00:10.000Z","date":"2021-03-18","kind":"exercise","acquired":false,"shares":7861,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported herein were effected pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The option vests 25% per year over four years beginning on January 24, 2021, the first anniversary of the grant."}],"balance_after":23586,"derivative":{"exercise_price":72.1,"expiration_date":"2027-01-24","underlying":"Common Stock","underlying_shares":7861},"source":{"system":"sec-edgar","filing":"0000904454-21-000363","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000363/edgar.xml","form_type":"4"}},{"id":2777011,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (Right to Buy)","published_at":"2021-03-22T22:00:10.000Z","date":"2021-03-18","kind":"exercise","acquired":false,"shares":14026,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported herein were effected pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The option vests 25% per year over four years beginning on January 27, 2018, the first anniversary of the grant."}],"balance_after":0,"derivative":{"exercise_price":28.56,"expiration_date":"2024-01-27","underlying":"Common Stock","underlying_shares":14026},"source":{"system":"sec-edgar","filing":"0000904454-21-000363","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000363/edgar.xml","form_type":"4"}},{"id":2777010,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (Right to Buy)","published_at":"2021-03-22T22:00:10.000Z","date":"2021-03-18","kind":"exercise","acquired":false,"shares":8644,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported herein were effected pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option vests 25% per year over four years beginning on January 26, 2019, the first anniversary of the grant."}],"balance_after":8645,"derivative":{"exercise_price":47.7,"expiration_date":"2025-01-26","underlying":"Common Stock","underlying_shares":8644},"source":{"system":"sec-edgar","filing":"0000904454-21-000363","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000363/edgar.xml","form_type":"4"}},{"id":2777009,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (Right to Buy)","published_at":"2021-03-22T22:00:10.000Z","date":"2021-03-18","kind":"exercise","acquired":false,"shares":12183,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported herein were effected pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests 25% per year over four years beginning on January 25, 2020, the first anniversary of the grant."}],"balance_after":24367,"derivative":{"exercise_price":36.75,"expiration_date":"2026-01-25","underlying":"Common Stock","underlying_shares":12183},"source":{"system":"sec-edgar","filing":"0000904454-21-000363","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000363/edgar.xml","form_type":"4"}},{"id":2777008,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-03-22T22:00:10.000Z","date":"2021-03-18","kind":"sale","acquired":false,"shares":16256,"price":115.68,"value":1880494.08,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported herein were effected pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.43 to $115.98. 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":221399,"source":{"system":"sec-edgar","filing":"0000904454-21-000363","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000363/edgar.xml","form_type":"4"}},{"id":2777007,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-03-22T22:00:10.000Z","date":"2021-03-18","kind":"sale","acquired":false,"shares":34199,"price":114.96,"value":3931517.04,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported herein were effected pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $114.42 to $115.42. 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":237655,"source":{"system":"sec-edgar","filing":"0000904454-21-000363","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000363/edgar.xml","form_type":"4"}},{"id":2777006,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-03-22T22:00:10.000Z","date":"2021-03-18","kind":"sale","acquired":false,"shares":17921,"price":114.03,"value":2043531.63,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported herein were effected pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.41 to $114.41. 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":271854,"source":{"system":"sec-edgar","filing":"0000904454-21-000363","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000363/edgar.xml","form_type":"4"}},{"id":2777005,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-03-22T22:00:10.000Z","date":"2021-03-18","kind":"sale","acquired":false,"shares":22169,"price":112.81,"value":2500884.89,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported herein were effected pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $112.40 to $113.40. 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":289775,"source":{"system":"sec-edgar","filing":"0000904454-21-000363","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000363/edgar.xml","form_type":"4"}},{"id":2777004,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-03-22T22:00:10.000Z","date":"2021-03-18","kind":"exercise","acquired":true,"shares":7861,"price":72.1,"value":566778.1,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported herein were effected pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."}],"balance_after":311944,"source":{"system":"sec-edgar","filing":"0000904454-21-000363","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000363/edgar.xml","form_type":"4"}},{"id":2777003,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-03-22T22:00:10.000Z","date":"2021-03-18","kind":"exercise","acquired":true,"shares":14026,"price":28.56,"value":400582.56,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported herein were effected pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."}],"balance_after":304083,"source":{"system":"sec-edgar","filing":"0000904454-21-000363","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000363/edgar.xml","form_type":"4"}},{"id":2777002,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-03-22T22:00:10.000Z","date":"2021-03-18","kind":"exercise","acquired":true,"shares":8644,"price":47.7,"value":412318.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported herein were effected pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."}],"balance_after":290057,"source":{"system":"sec-edgar","filing":"0000904454-21-000363","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000363/edgar.xml","form_type":"4"}},{"id":2777001,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-03-22T22:00:10.000Z","date":"2021-03-18","kind":"exercise","acquired":true,"shares":12183,"price":36.75,"value":447725.25,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported herein were effected pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."}],"balance_after":281413,"source":{"system":"sec-edgar","filing":"0000904454-21-000363","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000363/edgar.xml","form_type":"4"}},{"id":2878369,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-02-06T00:44:40.000Z","date":"2021-02-04","kind":"sale","acquired":false,"shares":5576,"price":125.23,"value":698282.48,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $125.15 to $125.33. 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":269230,"source":{"system":"sec-edgar","filing":"0000904454-21-000156","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000156/edgar.xml","form_type":"4"}},{"id":2878368,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-02-06T00:44:40.000Z","date":"2021-02-04","kind":"sale","acquired":false,"shares":21443,"price":124.71,"value":2674156.53,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $124.14 to $125.14. 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":274806,"source":{"system":"sec-edgar","filing":"0000904454-21-000156","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000156/edgar.xml","form_type":"4"}},{"id":2878367,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-02-06T00:44:40.000Z","date":"2021-02-04","kind":"sale","acquired":false,"shares":11137,"price":123.59,"value":1376421.83,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"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 $123.12 to $124.11. 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":296249,"source":{"system":"sec-edgar","filing":"0000904454-21-000156","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000156/edgar.xml","form_type":"4"}},{"id":2878366,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-02-06T00:44:40.000Z","date":"2021-02-04","kind":"sale","acquired":false,"shares":13251,"price":122.57,"value":1624175.07,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"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 $122.115 to $123.115. 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":307386,"source":{"system":"sec-edgar","filing":"0000904454-21-000156","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000156/edgar.xml","form_type":"4"}},{"id":2878365,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-02-06T00:44:40.000Z","date":"2021-02-04","kind":"sale","acquired":false,"shares":6534,"price":121.66,"value":794926.44,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"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 $121.09 to $122.09. 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":320637,"source":{"system":"sec-edgar","filing":"0000904454-21-000156","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000156/edgar.xml","form_type":"4"}},{"id":2887701,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (Right to Buy)","published_at":"2021-02-02T22:00:45.000Z","date":"2021-01-29","kind":"grant","acquired":true,"shares":18580,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This option vests 25% per year over four years beginning on January 29, 2022, the first anniversary of the grant."}],"balance_after":18580,"derivative":{"exercise_price":113.48,"expiration_date":"2028-01-29","underlying":"Common Stock","underlying_shares":18580},"source":{"system":"sec-edgar","filing":"0000904454-21-000102","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000102/edgar.xml","form_type":"4"}},{"id":2887700,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-02-02T22:00:45.000Z","date":"2021-01-29","kind":"grant","acquired":true,"shares":17977,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted to the Reporting Person under the Issuer's 2006 Equity and Cash Compensation Incentive Plan.  Each RSU represents the right to receive one share of Common Stock.  The RSUs will vest in four equal annual installments beginning on January 29, 2022."}],"balance_after":327171,"source":{"system":"sec-edgar","filing":"0000904454-21-000102","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000102/edgar.xml","form_type":"4"}},{"id":2892962,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-01-29T00:39:54.000Z","date":"2021-01-27","kind":"tax_withholding","acquired":false,"shares":6212,"price":130.11,"value":808243.32,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on January 27, 2021."}],"balance_after":309194,"source":{"system":"sec-edgar","filing":"0000904454-21-000082","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000082/edgar.xml","form_type":"4"}},{"id":2892961,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-01-29T00:39:54.000Z","date":"2021-01-26","kind":"tax_withholding","acquired":false,"shares":31115,"price":138.1,"value":4296981.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of the PRSUs on January 26, 2021."}],"balance_after":340309,"source":{"system":"sec-edgar","filing":"0000904454-21-000082","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000082/edgar.xml","form_type":"4"}},{"id":2892960,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-01-29T00:39:54.000Z","date":"2021-01-26","kind":"grant","acquired":true,"shares":70156,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents performance-based restricted stock units (\"PRSUs\") granted to the Reporting Person under the Issuer's 2006 Equity and Cash Compensation Incentive Plan on January 26, 2018.  Each PRSU represents the right to receive one share of Common Stock.  The number of PRSUs was determined and vested in full on January 26, 2021."}],"balance_after":371424,"source":{"system":"sec-edgar","filing":"0000904454-21-000082","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000082/edgar.xml","form_type":"4"}},{"id":2894458,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-01-27T22:36:50.000Z","date":"2021-01-26","kind":"tax_withholding","acquired":false,"shares":3913,"price":138.1,"value":540385.3,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on January 26, 2021."}],"balance_after":301268,"source":{"system":"sec-edgar","filing":"0000904454-21-000066","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000066/edgar.xml","form_type":"4"}},{"id":2897011,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2021-01-26T22:14:30.000Z","date":"2021-01-25","kind":"tax_withholding","acquired":false,"shares":7989,"price":140.11,"value":1119338.79,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on January 24, 2021 and January 25, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 104 shares acquired under the Issuer's Employee Stock Purchase Plan on December 31, 2020."}],"balance_after":305181,"source":{"system":"sec-edgar","filing":"0000904454-21-000060","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445421000060/edgar.xml","form_type":"4"}},{"id":2929786,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-12-30T21:40:10.000Z","date":"2020-12-28","kind":"sale","acquired":false,"shares":4133,"price":119.28,"value":492984.24,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"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 $119.00 to $119.70. 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":313066,"source":{"system":"sec-edgar","filing":"0000904454-20-000841","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000841/edgar.xml","form_type":"4"}},{"id":2929785,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-12-30T21:40:10.000Z","date":"2020-12-28","kind":"sale","acquired":false,"shares":17732,"price":118.43,"value":2100000.76,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"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 $118.00 to $118.95. 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":317199,"source":{"system":"sec-edgar","filing":"0000904454-20-000841","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000841/edgar.xml","form_type":"4"}},{"id":2929784,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-12-30T21:40:10.000Z","date":"2020-12-28","kind":"sale","acquired":false,"shares":31127,"price":117.75,"value":3665204.25,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"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 $117.45 to $117.99. 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":334931,"source":{"system":"sec-edgar","filing":"0000904454-20-000841","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000841/edgar.xml","form_type":"4"}},{"id":2991945,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (Right to Buy)","published_at":"2020-11-05T21:42:11.000Z","date":"2020-11-03","kind":"exercise","acquired":false,"shares":15496,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The option vests 25% per year over four years beginning on January 29, 2017, the first anniversary of the grant."}],"balance_after":0,"derivative":{"exercise_price":19.43,"expiration_date":"2023-01-29","underlying":"Common Stock","underlying_shares":15496},"source":{"system":"sec-edgar","filing":"0000904454-20-000699","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000699/edgar.xml","form_type":"4"}},{"id":2991944,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (Right to Buy)","published_at":"2020-11-05T21:42:11.000Z","date":"2020-11-03","kind":"exercise","acquired":false,"shares":14025,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option vests 25% per year over four years beginning on January 27, 2018, the first anniversary of the grant."}],"balance_after":14026,"derivative":{"exercise_price":28.56,"expiration_date":"2024-01-27","underlying":"Common Stock","underlying_shares":14025},"source":{"system":"sec-edgar","filing":"0000904454-20-000699","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000699/edgar.xml","form_type":"4"}},{"id":2991943,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (Right to Buy)","published_at":"2020-11-05T21:42:11.000Z","date":"2020-11-03","kind":"exercise","acquired":false,"shares":17288,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests 25% per year over four years beginning on January 26, 2019, the first anniversary of the grant."}],"balance_after":17289,"derivative":{"exercise_price":47.7,"expiration_date":"2025-01-26","underlying":"Common Stock","underlying_shares":17288},"source":{"system":"sec-edgar","filing":"0000904454-20-000699","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000699/edgar.xml","form_type":"4"}},{"id":2991942,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (Right to Buy)","published_at":"2020-11-05T21:42:11.000Z","date":"2020-11-03","kind":"exercise","acquired":false,"shares":12183,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option vests 25% per year over four years beginning on January 25, 2020, the first anniversary of the grant."}],"balance_after":36550,"derivative":{"exercise_price":36.75,"expiration_date":"2026-01-25","underlying":"Common Stock","underlying_shares":12183},"source":{"system":"sec-edgar","filing":"0000904454-20-000699","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000699/edgar.xml","form_type":"4"}},{"id":2991941,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-11-05T21:42:11.000Z","date":"2020-11-03","kind":"sale","acquired":false,"shares":4613,"price":91.44,"value":421812.72,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.32 to $91.69. 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":366058,"source":{"system":"sec-edgar","filing":"0000904454-20-000699","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000699/edgar.xml","form_type":"4"}},{"id":2991940,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-11-05T21:42:11.000Z","date":"2020-11-03","kind":"sale","acquired":false,"shares":38648,"price":90.76,"value":3507692.48,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $90.31 to $91.31. 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":370671,"source":{"system":"sec-edgar","filing":"0000904454-20-000699","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000699/edgar.xml","form_type":"4"}},{"id":2991939,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-11-05T21:42:11.000Z","date":"2020-11-03","kind":"sale","acquired":false,"shares":86715,"price":89.85,"value":7791342.75,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.30 to $90.30. 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":409319,"source":{"system":"sec-edgar","filing":"0000904454-20-000699","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000699/edgar.xml","form_type":"4"}},{"id":2991938,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-11-05T21:42:11.000Z","date":"2020-11-03","kind":"exercise","acquired":true,"shares":15496,"price":19.43,"value":301087.28,"ownership":{"direct":true},"balance_after":496034,"source":{"system":"sec-edgar","filing":"0000904454-20-000699","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000699/edgar.xml","form_type":"4"}},{"id":2991937,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-11-05T21:42:11.000Z","date":"2020-11-03","kind":"exercise","acquired":true,"shares":14025,"price":28.56,"value":400554.0,"ownership":{"direct":true},"balance_after":480538,"source":{"system":"sec-edgar","filing":"0000904454-20-000699","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000699/edgar.xml","form_type":"4"}},{"id":2991936,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-11-05T21:42:11.000Z","date":"2020-11-03","kind":"exercise","acquired":true,"shares":17288,"price":47.7,"value":824637.6,"ownership":{"direct":true},"balance_after":466513,"source":{"system":"sec-edgar","filing":"0000904454-20-000699","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000699/edgar.xml","form_type":"4"}},{"id":2991935,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-11-05T21:42:11.000Z","date":"2020-11-03","kind":"exercise","acquired":true,"shares":12183,"price":36.75,"value":447725.25,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes 147 shares acquired under the Issuer's Employee Stock Purchase Plan on June 30, 2020."}],"balance_after":449225,"source":{"system":"sec-edgar","filing":"0000904454-20-000699","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000699/edgar.xml","form_type":"4"}},{"id":3158911,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-05-07T20:34:09.000Z","date":"2020-05-06","kind":"sale","acquired":false,"shares":4542,"price":61.28,"value":278333.76,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $61.02 to $61.59. The Reporting Person undertakes to provide to the Issuer, any shareholder 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":436895,"source":{"system":"sec-edgar","filing":"0000904454-20-000337","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000337/edgar.xml","form_type":"4"}},{"id":3158910,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-05-07T20:34:09.000Z","date":"2020-05-06","kind":"sale","acquired":false,"shares":26434,"price":60.51,"value":1599521.34,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $60.02 to $61.01. The Reporting Person undertakes to provide to the Issuer, any shareholder 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":441437,"source":{"system":"sec-edgar","filing":"0000904454-20-000337","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000337/edgar.xml","form_type":"4"}},{"id":3281112,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-02-11T22:32:23.000Z","date":"2020-02-10","kind":"sale","acquired":false,"shares":69276,"price":70.05,"value":4852783.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a sales plan adopted by the Reporting Person and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $68.92 to $70.61. The Reporting Person undertakes to provide to the Issuer, any shareholder 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":467871,"source":{"system":"sec-edgar","filing":"0000904454-20-000161","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000161/edgar.xml","form_type":"4"}},{"id":3297400,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-01-31T21:16:00.000Z","date":"2020-01-29","kind":"tax_withholding","acquired":false,"shares":7499,"price":70.03,"value":525154.97,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on January 29, 2020."}],"balance_after":537147,"source":{"system":"sec-edgar","filing":"0000904454-20-000134","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000134/edgar.xml","form_type":"4"}},{"id":3299519,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-01-29T23:07:19.000Z","date":"2020-01-27","kind":"tax_withholding","acquired":false,"shares":55665,"price":69.49,"value":3868160.85,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of the PRSUs on January 27, 2020."}],"balance_after":544646,"source":{"system":"sec-edgar","filing":"0000904454-20-000092","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000092/edgar.xml","form_type":"4"}},{"id":3299518,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-01-29T23:07:19.000Z","date":"2020-01-27","kind":"grant","acquired":true,"shares":125510,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents performance-based restricted stock units (\"PRSUs\") granted to the Reporting Person under the Issuer's 2006 Equity and Cash Compensation Incentive Plan on January 27, 2017.  Each PRSU represents the right to receive one share of Common Stock.  The number of PRSUs was determined and vested in full on January 27, 2020."}],"balance_after":600311,"source":{"system":"sec-edgar","filing":"0000904454-20-000092","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000092/edgar.xml","form_type":"4"}},{"id":3300753,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-01-28T19:54:28.000Z","date":"2020-01-27","kind":"tax_withholding","acquired":false,"shares":6212,"price":69.49,"value":431671.88,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on January 27, 2020."}],"balance_after":474801,"source":{"system":"sec-edgar","filing":"0000904454-20-000076","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000076/edgar.xml","form_type":"4"}},{"id":3300752,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-01-28T19:54:28.000Z","date":"2020-01-26","kind":"tax_withholding","acquired":false,"shares":3795,"price":69.49,"value":263714.55,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on January 26, 2020."}],"balance_after":481013,"source":{"system":"sec-edgar","filing":"0000904454-20-000076","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000076/edgar.xml","form_type":"4"}},{"id":3300751,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-01-28T19:54:28.000Z","date":"2020-01-25","kind":"tax_withholding","acquired":false,"shares":4043,"price":69.49,"value":280948.07,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on January 25, 2020."}],"balance_after":484808,"source":{"system":"sec-edgar","filing":"0000904454-20-000076","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000076/edgar.xml","form_type":"4"}},{"id":3302031,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Non-qualified Stock Option (Right to Buy)","published_at":"2020-01-27T21:57:53.000Z","date":"2020-01-24","kind":"grant","acquired":true,"shares":31447,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"This option vests 25% per year over four years beginning on January 24, 2021, the first anniversary of the grant."}],"balance_after":31447,"derivative":{"exercise_price":72.1,"expiration_date":"2027-01-24","underlying":"Common Stock","underlying_shares":31447},"source":{"system":"sec-edgar","filing":"0000904454-20-000062","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000062/edgar.xml","form_type":"4"}},{"id":3302030,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-01-27T21:57:53.000Z","date":"2020-01-24","kind":"grant","acquired":true,"shares":27046,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (\"RSUs\") granted to the Reporting Person under the Issuer's 2006 Equity and Cash Compensation Incentive Plan.  Each RSU represents the right to receive one share of Common Stock.  The RSUs will vest in four equal annual installments beginning on January 24, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (i) 16,907 RSUs granted on January 29, 2016 previously reported by the Reporting Person in Table II that vest on January 29, 2020; (ii) 28,012 RSUs granted on January 27, 2017 previously reported by the Reporting Person in Table II that vest in two equal installments on January 27, 2020 and January 27, 2021; (iii) 26,466 RSUs granted on January 26, 2018 previously reported by the Reporting Person in Table II that vest in three equal installments on January 26, 2020, January 26, 2021 and January 26, 2022; and (iv) 54,422 RSUs granted on January 25, 2019 previously reported by the Reporting Person in Table II that vest in four equal annual installments on January 25, 2020, January 25, 2021, January 25, 2022 and January 25, 2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 443 shares acquired under the Issuer's Employee Stock Purchase Plan on June 28, 2019 and December 31, 2019."}],"balance_after":488851,"source":{"system":"sec-edgar","filing":"0000904454-20-000062","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000090445420000062/edgar.xml","form_type":"4"}},{"id":3655401,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Non-qualified Stock Option (Right to Buy)","published_at":"2019-02-15T21:11:45.000Z","date":"2019-02-13","kind":"exercise","acquired":false,"shares":30991,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"This option is granted under Teradyne's 2006 Equity and Cash Compensation Incentive Plan, and is exercisable at the rate of 25% per year, commencing on the date of the first anniversary of the grant, January 29, 2017."}],"balance_after":15496,"derivative":{"exercise_price":19.43,"exercise_date":"2017-01-29","expiration_date":"2023-01-29","underlying":"Common Stock","underlying_shares":30991},"source":{"system":"sec-edgar","filing":"0001127602-19-006294","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219006294/form4.xml","form_type":"4"}},{"id":3655400,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Non-qualified Stock Option (Right to Buy)","published_at":"2019-02-15T21:11:45.000Z","date":"2019-02-13","kind":"exercise","acquired":false,"shares":28050,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"This option is granted under Teradyne's 2006 Equity and Cash Compensation Incentive Plan, and is exercisable at the rate of 25% per year, commencing on the date of the first anniversary of the grant, January 27, 2018."}],"balance_after":28051,"derivative":{"exercise_price":28.56,"exercise_date":"2018-01-27","expiration_date":"2024-01-27","underlying":"Common Stock","underlying_shares":28050},"source":{"system":"sec-edgar","filing":"0001127602-19-006294","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219006294/form4.xml","form_type":"4"}},{"id":3655399,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Non-qualified Stock Option (Right to Buy)","published_at":"2019-02-15T21:11:45.000Z","date":"2019-02-13","kind":"exercise","acquired":false,"shares":32980,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"This option is granted under Teradyne's 2006 Equity and Cash Compensation Incentive Plan, and is exercisable at the rate of 25% per year, commencing on the date of the first anniversary of the grant, January 30, 2016."}],"balance_after":0,"derivative":{"exercise_price":18.1,"exercise_date":"2016-01-30","expiration_date":"2022-01-30","underlying":"Common Stock","underlying_shares":32980},"source":{"system":"sec-edgar","filing":"0001127602-19-006294","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219006294/form4.xml","form_type":"4"}},{"id":3655398,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Non-qualified Stock Option (Right to Buy)","published_at":"2019-02-15T21:11:45.000Z","date":"2019-02-13","kind":"exercise","acquired":false,"shares":11385,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"This option is granted under Teradyne's 2006 Equity and Cash Compensation Incentive Plan, and is exercisable at the rate of 25% per year, commencing on the date of the first anniversary of the grant, January 24, 2015."}],"balance_after":0,"derivative":{"exercise_price":19.16,"exercise_date":"2015-01-24","expiration_date":"2021-01-24","underlying":"Common Stock","underlying_shares":11385},"source":{"system":"sec-edgar","filing":"0001127602-19-006294","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219006294/form4.xml","form_type":"4"}},{"id":3655397,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-02-15T21:11:45.000Z","date":"2019-02-13","kind":"sale","acquired":false,"shares":30991,"price":39.165,"value":1213762.515,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The reported price is based on a weighted average of multiple same-day transactions with prices ranging from $39.16 to $39.17 per share. Full information regarding the number of shares sold at each separate price is available to the Securities and Exchange Commission staff, the Issuer or any security holder of the Issuer upon request."}],"balance_after":335555,"source":{"system":"sec-edgar","filing":"0001127602-19-006294","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219006294/form4.xml","form_type":"4"}},{"id":3655396,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-02-15T21:11:45.000Z","date":"2019-02-13","kind":"exercise","acquired":true,"shares":30991,"price":19.43,"value":602155.13,"ownership":{"direct":true},"balance_after":366546,"source":{"system":"sec-edgar","filing":"0001127602-19-006294","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219006294/form4.xml","form_type":"4"}},{"id":3655395,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-02-15T21:11:45.000Z","date":"2019-02-13","kind":"sale","acquired":false,"shares":28050,"price":39.205,"value":1099700.25,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The reported price is based on a weighted average of multiple same-day transactions with prices ranging from $39.075 to $39.285 per share. Full information regarding the number of shares sold at each separate price is available to the Securities and Exchange Commission staff, the Issuer or any security holder of the Issuer upon request."}],"balance_after":335555,"source":{"system":"sec-edgar","filing":"0001127602-19-006294","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219006294/form4.xml","form_type":"4"}},{"id":3655394,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-02-15T21:11:45.000Z","date":"2019-02-13","kind":"exercise","acquired":true,"shares":28050,"price":28.56,"value":801108.0,"ownership":{"direct":true},"balance_after":363605,"source":{"system":"sec-edgar","filing":"0001127602-19-006294","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219006294/form4.xml","form_type":"4"}},{"id":3655393,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-02-15T21:11:45.000Z","date":"2019-02-13","kind":"sale","acquired":false,"shares":32980,"price":39.185,"value":1292321.3,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reported price is based on a weighted average of multiple same-day transactions with prices ranging from $39.16 to $39.195 per share. Full information regarding the number of shares sold at each separate price is available to the Securities and Exchange Commission staff, the Issuer or any security holder of the Issuer upon request."}],"balance_after":335555,"source":{"system":"sec-edgar","filing":"0001127602-19-006294","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219006294/form4.xml","form_type":"4"}},{"id":3655392,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-02-15T21:11:45.000Z","date":"2019-02-13","kind":"exercise","acquired":true,"shares":32980,"price":18.1,"value":596938.0,"ownership":{"direct":true},"balance_after":368535,"source":{"system":"sec-edgar","filing":"0001127602-19-006294","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219006294/form4.xml","form_type":"4"}},{"id":3655391,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-02-15T21:11:45.000Z","date":"2019-02-13","kind":"sale","acquired":false,"shares":11385,"price":39.2,"value":446292.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price is based on a weighted average of multiple same-day transactions with prices ranging from $39.16 to $39.25 per share. Full information regarding the number of shares sold at each separate price is available to the Securities and Exchange Commission staff, the Issuer or any security holder of the Issuer upon request."}],"balance_after":335555,"source":{"system":"sec-edgar","filing":"0001127602-19-006294","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219006294/form4.xml","form_type":"4"}},{"id":3655390,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-02-15T21:11:45.000Z","date":"2019-02-13","kind":"exercise","acquired":true,"shares":11385,"price":19.16,"value":218136.6,"ownership":{"direct":true},"balance_after":346940,"source":{"system":"sec-edgar","filing":"0001127602-19-006294","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219006294/form4.xml","form_type":"4"}},{"id":3655389,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-02-15T21:11:45.000Z","date":"2019-02-13","kind":"sale","acquired":false,"shares":36529,"price":39.2,"value":1431936.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price is based on a weighted average of multiple same-day transactions with prices ranging from $39.075 to $39.29 per share.  Full information regarding the number of shares sold at each separate price is available to the Securities and Exchange Commission staff, the Issuer or any security holder of the Issuer upon request."}],"balance_after":335555,"source":{"system":"sec-edgar","filing":"0001127602-19-006294","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219006294/form4.xml","form_type":"4"}},{"id":3682172,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Restricted Stock Units","published_at":"2019-01-31T22:06:28.000Z","date":"2019-01-30","kind":"exercise","acquired":false,"shares":16144,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"Indicates conversion upon vesting of the final 25% of the time-based RSU's granted on January 30, 2015."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Indicates conversion upon vesting of the final 25% of the time-based RSU's granted on January 30, 2015."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Indicates conversion upon vesting of the final 25% of the time-based RSU's granted on January 30, 2015."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":16144},"source":{"system":"sec-edgar","filing":"0001127602-19-003220","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219003220/form4.xml","form_type":"4"}},{"id":3682171,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Restricted Stock Units","published_at":"2019-01-31T22:06:28.000Z","date":"2019-01-30","kind":"exercise","acquired":false,"shares":84534,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Indicates conversion upon vesting of 100% of performance-based RSU's granted on January 29, 2016."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Indicates conversion upon vesting of 100% of performance-based RSU's granted on January 29, 2016."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Indicates conversion upon vesting of 100% of performance-based RSU's granted on January 29, 2016."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":84534},"source":{"system":"sec-edgar","filing":"0001127602-19-003220","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219003220/form4.xml","form_type":"4"}},{"id":3682170,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Restricted Stock Units","published_at":"2019-01-31T22:06:28.000Z","date":"2019-01-30","kind":"exercise","acquired":false,"shares":80732,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Indicates conversion upon vesting of 100% of performance-based RSU's granted on January 29, 2016."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Indicates conversion upon vesting of 100% of performance-based RSU's granted on January 29, 2016."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Indicates conversion upon vesting of 100% of performance-based RSU's granted on January 29, 2016."}],"balance_after":84534,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":80732},"source":{"system":"sec-edgar","filing":"0001127602-19-003220","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219003220/form4.xml","form_type":"4"}},{"id":3682169,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Restricted Stock Units","published_at":"2019-01-31T22:06:28.000Z","date":"2019-01-29","kind":"grant","acquired":true,"shares":165266,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each Restricted Stock Unit (RSU) represents the right to receive one share of Teradyne, Inc. common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"These are performance-based RSU's granted on January 29, 2016.  The number of performance-based RSU's was determined on January 29, 2019 and vest in full on January 29, 2019."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"These are performance-based RSU's granted on January 29, 2016.  The number of performance-based RSU's was determined on January 29, 2019 and vest in full on January 29, 2019."}],"balance_after":165266,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":165266},"source":{"system":"sec-edgar","filing":"0001127602-19-003220","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219003220/form4.xml","form_type":"4"}},{"id":3682168,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Restricted Stock Units","published_at":"2019-01-31T22:06:28.000Z","date":"2019-01-29","kind":"exercise","acquired":false,"shares":16907,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Indicates conversion upon vesting of 25% of the time-based Restricted Stock Units (RSU's) granted on January 29, 2016. The remaining portion will vest on January 29, 2020."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Indicates conversion upon vesting of 25% of the time-based Restricted Stock Units (RSU's) granted on January 29, 2016. The remaining portion will vest on January 29, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Indicates conversion upon vesting of 25% of the time-based Restricted Stock Units (RSU's) granted on January 29, 2016. The remaining portion will vest on January 29, 2020."}],"balance_after":16907,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":16907},"source":{"system":"sec-edgar","filing":"0001127602-19-003220","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219003220/form4.xml","form_type":"4"}},{"id":3682167,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-01-31T22:06:28.000Z","date":"2019-01-30","kind":"tax_withholding","acquired":false,"shares":7168,"price":36.9,"value":264499.2,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares/units withheld but not issued to satisfy certain tax withholding obligations."}],"balance_after":372084,"source":{"system":"sec-edgar","filing":"0001127602-19-003220","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219003220/form4.xml","form_type":"4"}},{"id":3682166,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-01-31T22:06:28.000Z","date":"2019-01-30","kind":"exercise","acquired":true,"shares":16144,"price":36.9,"value":595713.6,"ownership":{"direct":true},"balance_after":379252,"source":{"system":"sec-edgar","filing":"0001127602-19-003220","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219003220/form4.xml","form_type":"4"}},{"id":3682165,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-01-31T22:06:28.000Z","date":"2019-01-30","kind":"tax_withholding","acquired":false,"shares":37534,"price":36.34,"value":1363985.56,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares/units withheld but not issued to satisfy certain tax withholding obligations."}],"balance_after":363108,"source":{"system":"sec-edgar","filing":"0001127602-19-003220","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219003220/form4.xml","form_type":"4"}},{"id":3682164,"issuer":{"id":181,"kind":"organization","name":"TERADYNE, INC","symbol":"TER"},"owners":[{"id":117519,"kind":"person","name":"JAGIELA MARK E","position":1,"cik":"0001252396","reported_name":"JAGIELA MARK E","relationship":{"director":true,"officer":true,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-01-31T22:06:28.000Z","date":"2019-01-30","kind":"exercise","acquired":true,"shares":84534,"price":36.34,"value":3071965.56,"ownership":{"direct":true},"balance_after":400642,"source":{"system":"sec-edgar","filing":"0001127602-19-003220","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/97210/000112760219003220/form4.xml","form_type":"4"}}],"next_cursor":"2019-01-31T22:06:28.000000Z,3682164"}