{"transactions":[{"id":842871,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2026-03-16T20:21:01.000Z","date":"2026-03-13","kind":"grant","planned":false,"acquired":true,"shares":9500,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"1-for-1."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":9500,"derivative":{"exercise_date":"2030-03-13","expiration_date":"2030-03-13","underlying":"Common Stock","underlying_shares":9500},"source":{"system":"sec-edgar","filing":"0000851520-26-000050","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152026000050/edgardoc.xml","form_type":"4"}},{"id":844833,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2026-03-13T21:23:32.000Z","date":"2026-03-11","kind":"exercise","planned":false,"acquired":false,"shares":5510,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 11, 2022 into shares of Common Stock on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 11, 2022 into shares of Common Stock on a 1:1 basis."}],"balance_after":0,"derivative":{"exercise_date":"2026-03-11","expiration_date":"2026-03-11","underlying":"Common Stock","underlying_shares":5510},"source":{"system":"sec-edgar","filing":"0000851520-26-000031","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152026000031/edgardoc.xml","form_type":"4"}},{"id":844832,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2026-03-13T21:23:32.000Z","date":"2026-03-11","kind":"tax_withholding","planned":false,"acquired":false,"shares":1756,"price":70.03,"value":122972.68,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Reflects shares of common stock withheld by the Company to satify the tax withholding obligations of the Reporting Person."}],"balance_after":39226,"source":{"system":"sec-edgar","filing":"0000851520-26-000031","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152026000031/edgardoc.xml","form_type":"4"}},{"id":844831,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2026-03-13T21:23:32.000Z","date":"2026-03-11","kind":"exercise","planned":false,"acquired":true,"shares":5510,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 11, 2022 into shares of Common Stock on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":40982,"source":{"system":"sec-edgar","filing":"0000851520-26-000031","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152026000031/edgardoc.xml","form_type":"4"}},{"id":878503,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2026-02-27T21:58:32.000Z","date":"2026-02-27","kind":"gift","planned":false,"acquired":false,"shares":140,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Not applicable."}],"balance_after":35472,"source":{"system":"sec-edgar","filing":"0000851520-26-000018","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152026000018/edgardoc.xml","form_type":"4"}},{"id":1204990,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2025-03-18T01:15:51.000Z","date":"2025-03-14","kind":"grant","planned":false,"acquired":true,"shares":7738,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"1-for-1."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":7738,"derivative":{"exercise_date":"2029-03-14","expiration_date":"2029-03-14","underlying":"Common Stock","underlying_shares":7738},"source":{"system":"sec-edgar","filing":"0000851520-25-000043","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152025000043/edgardoc.xml","form_type":"4"}},{"id":1206897,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2025-03-15T00:55:58.000Z","date":"2025-03-12","kind":"exercise","planned":false,"acquired":false,"shares":3844,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 12, 2021 into shares of Common Stock on a 1:1 basis."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 12, 2021 into shares of Common Stock on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":0,"derivative":{"exercise_date":"2025-03-12","expiration_date":"2025-03-12","underlying":"Common Stock","underlying_shares":3844},"source":{"system":"sec-edgar","filing":"0000851520-25-000025","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152025000025/edgardoc.xml","form_type":"4"}},{"id":1206896,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2025-03-15T00:55:58.000Z","date":"2025-03-12","kind":"tax_withholding","planned":false,"acquired":false,"shares":1190,"price":82.33,"value":97972.7,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Reflects shares of common stock withheld by the Company to satify the tax withholding obligations of the Reporting Person."}],"balance_after":35612,"source":{"system":"sec-edgar","filing":"0000851520-25-000025","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152025000025/edgardoc.xml","form_type":"4"}},{"id":1206895,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2025-03-15T00:55:58.000Z","date":"2025-03-12","kind":"exercise","planned":false,"acquired":true,"shares":3844,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 12, 2021 into shares of Common Stock on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":36802,"source":{"system":"sec-edgar","filing":"0000851520-25-000025","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152025000025/edgardoc.xml","form_type":"4"}},{"id":1571007,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2024-03-20T00:28:41.000Z","date":"2024-03-15","kind":"grant","planned":false,"acquired":true,"shares":8338,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"1-for-1."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":8338,"derivative":{"exercise_date":"2028-03-15","expiration_date":"2028-03-15","underlying":"Common Stock","underlying_shares":8338},"source":{"system":"sec-edgar","filing":"0000851520-24-000052","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152024000052/edgardoc.xml","form_type":"4"}},{"id":1575678,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2024-03-16T00:11:50.000Z","date":"2024-03-13","kind":"exercise","planned":false,"acquired":false,"shares":6206,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 13, 2020 into shares of Common Stock on a 1:1 basis."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 13, 2020 into shares of Common Stock on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":0,"derivative":{"exercise_date":"2024-03-13","expiration_date":"2024-03-13","underlying":"Common Stock","underlying_shares":6206},"source":{"system":"sec-edgar","filing":"0000851520-24-000034","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152024000034/edgardoc.xml","form_type":"4"}},{"id":1575677,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2024-03-16T00:11:50.000Z","date":"2024-03-13","kind":"tax_withholding","planned":false,"acquired":false,"shares":1977,"price":78.79,"value":155767.83,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Reflects shares of common stock withheld by the Company to satify the tax withholding obligations of the Reporting Person."}],"balance_after":32958,"source":{"system":"sec-edgar","filing":"0000851520-24-000034","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152024000034/edgardoc.xml","form_type":"4"}},{"id":1575676,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2024-03-16T00:11:50.000Z","date":"2024-03-13","kind":"exercise","planned":false,"acquired":true,"shares":6206,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 13, 2020 into shares of Common Stock on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":34935,"source":{"system":"sec-edgar","filing":"0000851520-24-000034","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152024000034/edgardoc.xml","form_type":"4"}},{"id":1729934,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2023-11-28T01:10:18.000Z","date":"2023-11-24","kind":"sale","planned":false,"acquired":false,"shares":2000,"price":78.25,"value":156500.0,"ownership":{"direct":true},"balance_after":28729,"source":{"system":"sec-edgar","filing":"0000851520-23-000107","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152023000107/edgardoc.xml","form_type":"4"}},{"id":1948693,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2023-03-17T23:13:19.000Z","date":"2023-03-15","kind":"exercise","acquired":false,"shares":5966,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"1-for-1."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 15, 2019 into shares of Common Stock on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":0,"derivative":{"exercise_date":"2023-03-15","expiration_date":"2023-03-15","underlying":"Common Stock","underlying_shares":5966},"source":{"system":"sec-edgar","filing":"0000851520-23-000071","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152023000071/edgardoc.xml","form_type":"4"}},{"id":1948692,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2023-03-17T23:13:19.000Z","date":"2023-03-15","kind":"tax_withholding","acquired":false,"shares":1681,"price":103.41,"value":173832.21,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Reflects shares of common stock withheld by the Company to satify the tax withholding obligations of the Reporting Person."}],"balance_after":30729,"source":{"system":"sec-edgar","filing":"0000851520-23-000071","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152023000071/edgardoc.xml","form_type":"4"}},{"id":1948691,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2023-03-17T23:13:19.000Z","date":"2023-03-15","kind":"exercise","acquired":true,"shares":5966,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 15, 2019 into shares of Common Stock on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":32410,"source":{"system":"sec-edgar","filing":"0000851520-23-000071","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152023000071/edgardoc.xml","form_type":"4"}},{"id":1955527,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2023-03-14T17:56:27.000Z","date":"2023-03-10","kind":"grant","acquired":true,"shares":4800,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"1-for-1."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":4800,"derivative":{"exercise_date":"2027-03-10","expiration_date":"2027-03-10","underlying":"Common Stock","underlying_shares":4800},"source":{"system":"sec-edgar","filing":"0000851520-23-000051","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152023000051/edgardoc.xml","form_type":"4"}},{"id":2184899,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2022-08-16T14:57:37.000Z","date":"2022-08-12","kind":"sale","acquired":false,"shares":3000,"price":99.1,"value":297300.0,"ownership":{"direct":true},"balance_after":26444,"source":{"system":"sec-edgar","filing":"0000851520-22-000096","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152022000096/edgardoc.xml","form_type":"4"}},{"id":2190118,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2022-08-10T19:16:16.000Z","date":"2022-08-08","kind":"sale","acquired":false,"shares":3000,"price":98.9,"value":296700.0,"ownership":{"direct":true},"balance_after":29444,"source":{"system":"sec-edgar","filing":"0000851520-22-000092","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152022000092/edgardoc.xml","form_type":"4"}},{"id":2334362,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2022-03-16T00:41:24.000Z","date":"2022-03-11","kind":"grant","acquired":true,"shares":5510,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"1-for-1."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":5510,"derivative":{"exercise_date":"2026-03-11","expiration_date":"2026-03-11","underlying":"Common Stock","underlying_shares":5510},"source":{"system":"sec-edgar","filing":"0000851520-22-000050","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152022000050/edgardoc.xml","form_type":"4"}},{"id":2338688,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2022-03-12T02:37:51.000Z","date":"2022-03-09","kind":"exercise","acquired":false,"shares":7976,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"1-for-1."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 9, 2018 into shares of Common Stock on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":0,"derivative":{"exercise_date":"2022-03-09","expiration_date":"2022-03-09","underlying":"Common Stock","underlying_shares":7976},"source":{"system":"sec-edgar","filing":"0000851520-22-000029","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152022000029/edgardoc.xml","form_type":"4"}},{"id":2338687,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2022-03-12T02:37:51.000Z","date":"2022-03-09","kind":"tax_withholding","acquired":false,"shares":2495,"price":96.44,"value":240617.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Reflects shares of common stock withheld by the Company to satify the tax withholding obligations of the Reporting Person."}],"balance_after":32444,"source":{"system":"sec-edgar","filing":"0000851520-22-000029","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152022000029/edgardoc.xml","form_type":"4"}},{"id":2338686,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2022-03-12T02:37:51.000Z","date":"2022-03-09","kind":"exercise","acquired":true,"shares":7976,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 9, 2018 into shares of Common Stock on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":34939,"source":{"system":"sec-edgar","filing":"0000851520-22-000029","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152022000029/edgardoc.xml","form_type":"4"}},{"id":2520521,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2021-11-09T23:16:29.000Z","date":"2021-11-09","kind":"sale","acquired":false,"shares":3047,"price":120,"value":365640.0,"ownership":{"direct":true},"balance_after":26963,"source":{"system":"sec-edgar","filing":"0000851520-21-000106","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152021000106/edgardoc.xml","form_type":"4"}},{"id":2520520,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2021-11-09T23:16:29.000Z","date":"2021-11-08","kind":"sale","acquired":false,"shares":2842,"price":120,"value":341040.0,"ownership":{"direct":true},"balance_after":30010,"source":{"system":"sec-edgar","filing":"0000851520-21-000106","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152021000106/edgardoc.xml","form_type":"4"}},{"id":2520519,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2021-11-09T23:16:29.000Z","date":"2021-11-05","kind":"sale","acquired":false,"shares":611,"price":120,"value":73320.0,"ownership":{"direct":true},"balance_after":32852,"source":{"system":"sec-edgar","filing":"0000851520-21-000106","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152021000106/edgardoc.xml","form_type":"4"}},{"id":2787911,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2021-03-16T19:54:51.000Z","date":"2021-03-12","kind":"grant","acquired":true,"shares":3844,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"1-for-1."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":3844,"derivative":{"exercise_date":"2025-03-12","expiration_date":"2025-03-12","underlying":"Common Stock","underlying_shares":3844},"source":{"system":"sec-edgar","filing":"0000851520-21-000056","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152021000056/edgardoc.xml","form_type":"4"}},{"id":2790347,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2021-03-15T19:04:54.000Z","date":"2021-03-10","kind":"exercise","acquired":false,"shares":10224,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"1-for-1."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 10, 2017 into shares of Common Stock on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":0,"derivative":{"exercise_date":"2021-03-10","expiration_date":"2021-03-10","underlying":"Common Stock","underlying_shares":10224},"source":{"system":"sec-edgar","filing":"0000851520-21-000039","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152021000039/edgardoc.xml","form_type":"4"}},{"id":2790346,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2021-03-15T19:04:54.000Z","date":"2021-03-10","kind":"tax_withholding","acquired":false,"shares":3328,"price":98.65,"value":328307.2,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Reflects shares of common stock withheld by the Company to satify the tax withholding obligations of the Reporting Person."}],"balance_after":33463,"source":{"system":"sec-edgar","filing":"0000851520-21-000039","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152021000039/edgardoc.xml","form_type":"4"}},{"id":2790345,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2021-03-15T19:04:54.000Z","date":"2021-03-10","kind":"exercise","acquired":true,"shares":10224,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 10, 2017 into shares of Common Stock on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":36791,"source":{"system":"sec-edgar","filing":"0000851520-21-000039","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152021000039/edgardoc.xml","form_type":"4"}},{"id":2864645,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2021-02-13T02:56:01.000Z","date":"2020-08-10","kind":"sale","acquired":false,"shares":2000,"price":82.8249,"value":165649.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reporting a sale of 2,000 shares on 8/10/2020 that was not previously reported on a Form 4."}],"balance_after":42707,"source":{"system":"sec-edgar","filing":"0000851520-21-000013","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152021000013/edgardoc.xml","form_type":"5"}},{"id":2985076,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2020-11-13T01:41:13.000Z","date":"2020-11-11","kind":"sale","acquired":false,"shares":5000,"price":79.9,"value":399500.0,"ownership":{"direct":true},"balance_after":28567,"source":{"system":"sec-edgar","filing":"0000851520-20-000133","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000133/edgardoc.xml","form_type":"4"}},{"id":2985075,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2020-11-13T01:41:13.000Z","date":"2020-11-09","kind":"sale","acquired":false,"shares":5000,"price":79.13,"value":395650.0,"ownership":{"direct":true},"balance_after":33567,"source":{"system":"sec-edgar","filing":"0000851520-20-000133","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000133/edgardoc.xml","form_type":"4"}},{"id":2991802,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2020-11-05T23:20:35.000Z","date":"2020-11-03","kind":"sale","acquired":false,"shares":4140,"price":72.4629,"value":299996.406,"ownership":{"direct":true},"balance_after":38567,"source":{"system":"sec-edgar","filing":"0000851520-20-000131","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000131/edgardoc.xml","form_type":"4"}},{"id":3060947,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2020-08-13T01:57:57.000Z","date":"2020-08-11","kind":"sale","acquired":false,"shares":2000,"price":83.1,"value":166200.0,"ownership":{"direct":true},"balance_after":42707,"source":{"system":"sec-edgar","filing":"0000851520-20-000121","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000121/edgardoc.xml","form_type":"4"}},{"id":3060946,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2020-08-13T01:57:57.000Z","date":"2020-08-10","kind":"sale","acquired":false,"shares":2000,"price":82.93,"value":165860.0,"ownership":{"direct":true},"balance_after":44707,"source":{"system":"sec-edgar","filing":"0000851520-20-000121","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000121/edgardoc.xml","form_type":"4"}},{"id":3207307,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2020-03-17T14:31:38.000Z","date":"2020-03-13","kind":"grant","acquired":true,"shares":6206,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"1-for-1."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":6206,"derivative":{"exercise_date":"2024-03-13","expiration_date":"2024-03-13","underlying":"Common Stock","underlying_shares":6206},"source":{"system":"sec-edgar","filing":"0000851520-20-000077","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000077/edgardoc.xml","form_type":"4"}},{"id":3212217,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2020-03-13T11:29:18.000Z","date":"2020-03-11","kind":"exercise","acquired":false,"shares":9384,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 11, 2016 into shares of Common Stock on a 1:1 basis."},{"field":"kind","element":"transactionCoding","label":"F3","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 11, 2016 into shares of Common Stock on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":0,"derivative":{"exercise_date":"2020-03-11","expiration_date":"2020-03-11","underlying":"Common Stock","underlying_shares":9384},"source":{"system":"sec-edgar","filing":"0000851520-20-000055","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000055/edgardoc.xml","form_type":"4"}},{"id":3212216,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2020-03-13T11:29:18.000Z","date":"2020-03-11","kind":"exercise","acquired":false,"shares":423,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Settlement of dividend equivalent rights in connection with RSU release on a 1:1 basis."},{"field":"kind","element":"transactionCoding","label":"F1","text":"Settlement of dividend equivalent rights in connection with RSU release on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":0,"derivative":{"exercise_date":"2020-03-11","expiration_date":"2020-03-11","underlying":"Common Stock","underlying_shares":423},"source":{"system":"sec-edgar","filing":"0000851520-20-000055","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000055/edgardoc.xml","form_type":"4"}},{"id":3212215,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2020-03-13T11:29:18.000Z","date":"2020-03-11","kind":"tax_withholding","acquired":false,"shares":2888,"price":75.99,"value":219459.12,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Reflects shares of common stock withheld by the Company to satify the tax withholding obligations of the Reporting Person."}],"balance_after":46707,"source":{"system":"sec-edgar","filing":"0000851520-20-000055","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000055/edgardoc.xml","form_type":"4"}},{"id":3212214,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2020-03-13T11:29:18.000Z","date":"2020-03-11","kind":"exercise","acquired":true,"shares":9384,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 11, 2016 into shares of Common Stock on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":49595,"source":{"system":"sec-edgar","filing":"0000851520-20-000055","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000055/edgardoc.xml","form_type":"4"}},{"id":3212213,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":60848,"kind":"person","name":"Reitman Maureen T. F.","position":1,"cik":"0001799991","reported_name":"Reitman Maureen T. F.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2020-03-13T11:29:18.000Z","date":"2020-03-11","kind":"exercise","acquired":true,"shares":423,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Settlement of dividend equivalent rights in connection with RSU release on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":40211,"source":{"system":"sec-edgar","filing":"0000851520-20-000055","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000055/edgardoc.xml","form_type":"4"}}]}