{"transactions":[{"id":1800192,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2023-08-22T15:46:00.000Z","date":"2023-08-21","kind":"sale","planned":false,"acquired":false,"shares":1000,"price":89.5,"value":89500.0,"ownership":{"direct":true},"balance_after":27412,"source":{"system":"sec-edgar","filing":"0000851520-23-000103","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152023000103/edgardoc.xml","form_type":"4"}},{"id":1807846,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2023-08-15T16:50:19.000Z","date":"2023-08-15","kind":"sale","planned":false,"acquired":false,"shares":1000,"price":86.7726,"value":86772.6,"ownership":{"direct":true},"balance_after":28412,"source":{"system":"sec-edgar","filing":"0000851520-23-000099","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152023000099/edgardoc.xml","form_type":"4"}},{"id":1948684,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2023-03-17T23:11:43.000Z","date":"2023-03-15","kind":"exercise","acquired":false,"shares":8422,"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":8422},"source":{"system":"sec-edgar","filing":"0000851520-23-000068","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152023000068/edgardoc.xml","form_type":"4"}},{"id":1948683,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2023-03-17T23:11:43.000Z","date":"2023-03-15","kind":"tax_withholding","acquired":false,"shares":3968,"price":103.41,"value":410330.88,"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":29412,"source":{"system":"sec-edgar","filing":"0000851520-23-000068","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152023000068/edgardoc.xml","form_type":"4"}},{"id":1948682,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2023-03-17T23:11:43.000Z","date":"2023-03-15","kind":"exercise","acquired":true,"shares":8422,"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":33380,"source":{"system":"sec-edgar","filing":"0000851520-23-000068","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152023000068/edgardoc.xml","form_type":"4"}},{"id":1955524,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2023-03-14T17:54:33.000Z","date":"2023-03-10","kind":"grant","acquired":true,"shares":5800,"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":5800,"derivative":{"exercise_date":"2027-03-10","expiration_date":"2027-03-10","underlying":"Common Stock","underlying_shares":5800},"source":{"system":"sec-edgar","filing":"0000851520-23-000048","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152023000048/edgardoc.xml","form_type":"4"}},{"id":2027220,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2023-02-08T23:04:21.000Z","date":"2023-02-07","kind":"sale","acquired":false,"shares":1000,"price":106.7776,"value":106777.6,"ownership":{"direct":true},"balance_after":24958,"source":{"system":"sec-edgar","filing":"0000851520-23-000004","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152023000004/edgardoc.xml","form_type":"4"}},{"id":2334364,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2022-03-16T00:42:10.000Z","date":"2022-03-11","kind":"grant","acquired":true,"shares":5934,"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":5934,"derivative":{"exercise_date":"2026-03-11","expiration_date":"2026-03-11","underlying":"Common Stock","underlying_shares":5934},"source":{"system":"sec-edgar","filing":"0000851520-22-000053","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152022000053/edgardoc.xml","form_type":"4"}},{"id":2338697,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2022-03-12T02:38:37.000Z","date":"2022-03-09","kind":"exercise","acquired":false,"shares":14956,"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":14956},"source":{"system":"sec-edgar","filing":"0000851520-22-000032","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152022000032/edgardoc.xml","form_type":"4"}},{"id":2338696,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2022-03-12T02:38:37.000Z","date":"2022-03-09","kind":"tax_withholding","acquired":false,"shares":5904,"price":96.44,"value":569381.76,"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":25958,"source":{"system":"sec-edgar","filing":"0000851520-22-000032","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152022000032/edgardoc.xml","form_type":"4"}},{"id":2338695,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2022-03-12T02:38:37.000Z","date":"2022-03-09","kind":"exercise","acquired":true,"shares":14956,"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":31862,"source":{"system":"sec-edgar","filing":"0000851520-22-000032","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152022000032/edgardoc.xml","form_type":"4"}},{"id":2613822,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2021-08-05T22:21:45.000Z","date":"2021-08-03","kind":"sale","acquired":false,"shares":6828,"price":108.0317,"value":737640.4476,"ownership":{"direct":true},"balance_after":16906,"source":{"system":"sec-edgar","filing":"0000851520-21-000085","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152021000085/edgardoc.xml","form_type":"4"}},{"id":2787910,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2021-03-16T19:53:49.000Z","date":"2021-03-12","kind":"grant","acquired":true,"shares":3642,"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":3642,"derivative":{"exercise_date":"2025-03-12","expiration_date":"2025-03-12","underlying":"Common Stock","underlying_shares":3642},"source":{"system":"sec-edgar","filing":"0000851520-21-000055","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152021000055/edgardoc.xml","form_type":"4"}},{"id":2790341,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2021-03-15T19:04:32.000Z","date":"2021-03-10","kind":"exercise","acquired":false,"shares":12948,"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":12948},"source":{"system":"sec-edgar","filing":"0000851520-21-000037","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152021000037/edgardoc.xml","form_type":"4"}},{"id":2790340,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2021-03-15T19:04:32.000Z","date":"2021-03-10","kind":"tax_withholding","acquired":false,"shares":6120,"price":98.65,"value":603738.0,"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":23734,"source":{"system":"sec-edgar","filing":"0000851520-21-000037","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152021000037/edgardoc.xml","form_type":"4"}},{"id":2790339,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2021-03-15T19:04:32.000Z","date":"2021-03-10","kind":"exercise","acquired":true,"shares":12948,"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":29854,"source":{"system":"sec-edgar","filing":"0000851520-21-000037","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152021000037/edgardoc.xml","form_type":"4"}},{"id":3049187,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2020-08-25T01:27:41.000Z","date":"2020-08-18","kind":"sale","acquired":false,"shares":4224,"price":83.2537,"value":351663.6288,"ownership":{"direct":true},"balance_after":16906,"source":{"system":"sec-edgar","filing":"0000851520-20-000123","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000123/edgardoc.xml","form_type":"4"}},{"id":3066406,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2020-08-07T00:43:13.000Z","date":"2020-08-04","kind":"sale","acquired":false,"shares":20460,"price":82.3011,"value":1683880.506,"ownership":{"direct":true},"balance_after":21130,"source":{"system":"sec-edgar","filing":"0000851520-20-000117","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000117/edgardoc.xml","form_type":"4"}},{"id":3207304,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2020-03-17T14:30:57.000Z","date":"2020-03-13","kind":"grant","acquired":true,"shares":5614,"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":5614,"derivative":{"exercise_date":"2024-03-13","expiration_date":"2024-03-13","underlying":"Common Stock","underlying_shares":5614},"source":{"system":"sec-edgar","filing":"0000851520-20-000074","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000074/edgardoc.xml","form_type":"4"}},{"id":3212205,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2020-03-13T11:28:38.000Z","date":"2020-03-11","kind":"exercise","acquired":false,"shares":15080,"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":15080},"source":{"system":"sec-edgar","filing":"0000851520-20-000052","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000052/edgardoc.xml","form_type":"4"}},{"id":3212204,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2020-03-13T11:28:38.000Z","date":"2020-03-11","kind":"exercise","acquired":false,"shares":681,"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":681},"source":{"system":"sec-edgar","filing":"0000851520-20-000052","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000052/edgardoc.xml","form_type":"4"}},{"id":3212203,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2020-03-13T11:28:38.000Z","date":"2020-03-11","kind":"grant","acquired":true,"shares":3,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Dividend equivalent rights accrued with respect to RSUs, pursuant to dividends earned in 2016-2019 not previously reported."},{"field":"kind","element":"transactionCoding","label":"F5","text":"Dividend equivalent rights accrued with respect to RSUs, pursuant to dividends earned in 2016-2019 not previously reported."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":681,"derivative":{"exercise_date":"2020-03-11","expiration_date":"2020-03-11","underlying":"Common Stock","underlying_shares":3},"source":{"system":"sec-edgar","filing":"0000851520-20-000052","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000052/edgardoc.xml","form_type":"4"}},{"id":3212202,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2020-03-13T11:28:38.000Z","date":"2020-03-11","kind":"tax_withholding","acquired":false,"shares":7450,"price":75.99,"value":566125.5,"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":41590,"source":{"system":"sec-edgar","filing":"0000851520-20-000052","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000052/edgardoc.xml","form_type":"4"}},{"id":3212201,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2020-03-13T11:28:38.000Z","date":"2020-03-11","kind":"exercise","acquired":true,"shares":15080,"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":49040,"source":{"system":"sec-edgar","filing":"0000851520-20-000052","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000052/edgardoc.xml","form_type":"4"}},{"id":3212200,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2020-03-13T11:28:38.000Z","date":"2020-03-11","kind":"exercise","acquired":true,"shares":681,"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":33960,"source":{"system":"sec-edgar","filing":"0000851520-20-000052","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000052/edgardoc.xml","form_type":"4"}},{"id":3272260,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2020-02-15T00:10:20.000Z","date":"2020-01-03","kind":"grant","acquired":true,"shares":162,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"1-for-1."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The dividend equivalent rights accrued with respect to RSUs, pursuant to dividends earned in 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."}],"balance_after":678,"derivative":{"exercise_date":"2020-03-11","expiration_date":"2020-03-11","underlying":"Common Stock","underlying_shares":162},"source":{"system":"sec-edgar","filing":"0000851520-20-000026","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152020000026/edgardoc.xml","form_type":"5"}},{"id":3591687,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2019-03-18T21:53:03.000Z","date":"2019-03-15","kind":"grant","acquired":true,"shares":8422,"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":8422,"derivative":{"exercise_date":"2023-03-15","expiration_date":"2023-03-15","underlying":"Common Stock","underlying_shares":8422},"source":{"system":"sec-edgar","filing":"0000851520-19-000068","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152019000068/edgardoc.xml","form_type":"4"}},{"id":3594352,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2019-03-15T17:48:54.000Z","date":"2019-03-13","kind":"exercise","acquired":false,"shares":14624,"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, 2015 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, 2015 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":"2019-03-13","expiration_date":"2029-03-13","underlying":"Common Stock","underlying_shares":14624},"source":{"system":"sec-edgar","filing":"0000851520-19-000046","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152019000046/edgardoc.xml","form_type":"4"}},{"id":3594351,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2019-03-15T17:48:54.000Z","date":"2019-03-13","kind":"exercise","acquired":false,"shares":755,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Settlement of dividend equivalent rights in connection with RSU release on a 1:1 basis."},{"field":"kind","element":"transactionCoding","label":"F3","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":"2019-03-13","expiration_date":"2019-03-13","underlying":"Common Stock","underlying_shares":755},"source":{"system":"sec-edgar","filing":"0000851520-19-000046","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152019000046/edgardoc.xml","form_type":"4"}},{"id":3594350,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2019-03-15T17:48:54.000Z","date":"2019-03-13","kind":"grant","acquired":true,"shares":50,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"1-for-1."},{"field":"kind","element":"transactionCoding","label":"F6","text":"The dividend equivalent rights accrued with respect to RSUs, pursuant to dividends earned in Q1 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":755,"derivative":{"exercise_date":"2019-03-13","expiration_date":"2019-03-13","underlying":"Common Stock","underlying_shares":50},"source":{"system":"sec-edgar","filing":"0000851520-19-000046","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152019000046/edgardoc.xml","form_type":"4"}},{"id":3594349,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2019-03-15T17:48:54.000Z","date":"2019-03-13","kind":"tax_withholding","acquired":false,"shares":6892,"price":56.92,"value":392292.64,"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":33279,"source":{"system":"sec-edgar","filing":"0000851520-19-000046","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152019000046/edgardoc.xml","form_type":"4"}},{"id":3594348,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2019-03-15T17:48:54.000Z","date":"2019-03-13","kind":"exercise","acquired":true,"shares":755,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","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":40171,"source":{"system":"sec-edgar","filing":"0000851520-19-000046","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152019000046/edgardoc.xml","form_type":"4"}},{"id":3594347,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2019-03-15T17:48:54.000Z","date":"2019-03-13","kind":"exercise","acquired":true,"shares":14624,"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, 2015 into shares of Common Stock on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":39416,"source":{"system":"sec-edgar","filing":"0000851520-19-000046","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152019000046/edgardoc.xml","form_type":"4"}},{"id":3666707,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2019-02-11T18:05:24.000Z","date":"2018-12-28","kind":"grant","acquired":true,"shares":172,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"1-for-1."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The dividend equivalent rights accrued with respect to RSUs, pursuant to dividends earned in 2018."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."}],"balance_after":516,"derivative":{"exercise_date":"2020-03-11","expiration_date":"2020-03-11","underlying":"Common Stock","underlying_shares":172},"source":{"system":"sec-edgar","filing":"0000851520-19-000018","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152019000018/edgardoc.xml","form_type":"5"}},{"id":3666706,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2019-02-11T18:05:24.000Z","date":"2018-12-02","kind":"grant","acquired":true,"shares":169,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"1-for-1."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The dividend equivalent rights accrued with respect to RSUs, pursuant to dividends earned in 2018."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."}],"balance_after":705,"derivative":{"exercise_date":"2019-03-13","expiration_date":"2019-03-13","underlying":"Common Stock","underlying_shares":169},"source":{"system":"sec-edgar","filing":"0000851520-19-000018","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152019000018/edgardoc.xml","form_type":"5"}},{"id":3995486,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2018-03-15T22:29:47.000Z","date":"2018-03-14","kind":"exercise","acquired":false,"shares":5620,"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 14, 2014 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 14, 2014 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":"2018-03-14","expiration_date":"2018-03-14","underlying":"Common Stock","underlying_shares":5620},"source":{"system":"sec-edgar","filing":"0000851520-18-000066","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152018000066/edgardoc.xml","form_type":"4"}},{"id":3995485,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2018-03-15T22:29:47.000Z","date":"2018-03-14","kind":"exercise","acquired":false,"shares":307,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Settlement of dividend equivalent rights in connection with RSU release on a 1:1 basis."},{"field":"kind","element":"transactionCoding","label":"F3","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":"2018-03-14","expiration_date":"2018-03-14","underlying":"Common Stock","underlying_shares":307},"source":{"system":"sec-edgar","filing":"0000851520-18-000066","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152018000066/edgardoc.xml","form_type":"4"}},{"id":3995484,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2018-03-15T22:29:47.000Z","date":"2018-03-14","kind":"grant","acquired":true,"shares":77,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"The dividend equivalent rights accrued with respect to RSUs, pursuant to dividends earned in 2014 and Q1 2018."},{"field":"kind","element":"transactionCoding","label":"F5","text":"The dividend equivalent rights accrued with respect to RSUs, pursuant to dividends earned in 2014 and Q1 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":307,"derivative":{"exercise_date":"2018-03-14","expiration_date":"2018-03-14","underlying":"Common Stock","underlying_shares":77},"source":{"system":"sec-edgar","filing":"0000851520-18-000066","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152018000066/edgardoc.xml","form_type":"4"}},{"id":3995483,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2018-03-15T22:29:47.000Z","date":"2018-03-14","kind":"tax_withholding","acquired":false,"shares":1984,"price":79.45,"value":157628.8,"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":12396,"source":{"system":"sec-edgar","filing":"0000851520-18-000066","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152018000066/edgardoc.xml","form_type":"4"}},{"id":3995482,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2018-03-15T22:29:47.000Z","date":"2018-03-14","kind":"exercise","acquired":true,"shares":307,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","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":14380,"source":{"system":"sec-edgar","filing":"0000851520-18-000066","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152018000066/edgardoc.xml","form_type":"4"}},{"id":3995481,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2018-03-15T22:29:47.000Z","date":"2018-03-14","kind":"exercise","acquired":true,"shares":5620,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 14, 2014 into shares of Common Stock on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":14073,"source":{"system":"sec-edgar","filing":"0000851520-18-000066","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152018000066/edgardoc.xml","form_type":"4"}},{"id":4001927,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2018-03-12T23:33:12.000Z","date":"2018-03-09","kind":"grant","acquired":true,"shares":7478,"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":7478,"derivative":{"exercise_date":"2022-03-09","expiration_date":"2022-03-09","underlying":"Common Stock","underlying_shares":7478},"source":{"system":"sec-edgar","filing":"0000851520-18-000048","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152018000048/edgardoc.xml","form_type":"4"}},{"id":4069333,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2018-02-09T22:53:30.000Z","date":"2017-12-29","kind":"grant","acquired":true,"shares":98,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"1-for-1."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The dividend equivalent rights accrued with respect to RSUs, pursuant to dividends earned in 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."}],"balance_after":172,"derivative":{"exercise_date":"2020-03-11","expiration_date":"2020-03-11","underlying":"Common Stock","underlying_shares":98},"source":{"system":"sec-edgar","filing":"0000851520-18-000017","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152018000017/edgardoc.xml","form_type":"5"}},{"id":4069332,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2018-02-09T22:53:30.000Z","date":"2017-12-29","kind":"grant","acquired":true,"shares":96,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"1-for-1."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The dividend equivalent rights accrued with respect to RSUs, pursuant to dividends earned in 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."}],"balance_after":268,"derivative":{"exercise_date":"2019-03-13","expiration_date":"2019-03-13","underlying":"Common Stock","underlying_shares":96},"source":{"system":"sec-edgar","filing":"0000851520-18-000017","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152018000017/edgardoc.xml","form_type":"5"}},{"id":4069331,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2018-02-09T22:53:30.000Z","date":"2017-12-29","kind":"grant","acquired":true,"shares":76,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"1-for-1."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The dividend equivalent rights accrued with respect to RSUs, pursuant to dividends earned in 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."}],"balance_after":230,"derivative":{"exercise_date":"2018-03-14","expiration_date":"2018-03-14","underlying":"Common Stock","underlying_shares":76},"source":{"system":"sec-edgar","filing":"0000851520-18-000017","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152018000017/edgardoc.xml","form_type":"5"}},{"id":4252241,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2017-07-25T16:45:28.000Z","date":"2017-07-24","kind":"sale","acquired":false,"shares":9718,"price":65.2943,"value":634530.0074,"ownership":{"direct":true},"balance_after":8453,"source":{"system":"sec-edgar","filing":"0000851520-17-000099","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152017000099/edgardoc.xml","form_type":"4"}},{"id":4252240,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2017-07-25T16:45:28.000Z","date":"2017-07-21","kind":"sale","acquired":false,"shares":1709,"price":65.703,"value":112286.427,"ownership":{"direct":true},"balance_after":18171,"source":{"system":"sec-edgar","filing":"0000851520-17-000099","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152017000099/edgardoc.xml","form_type":"4"}},{"id":4381149,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2017-03-17T21:40:35.000Z","date":"2017-03-15","kind":"exercise","acquired":false,"shares":7260,"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 15, 2013 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 15, 2013 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":"2017-03-15","expiration_date":"2017-03-15","underlying":"Common Stock","underlying_shares":7260},"source":{"system":"sec-edgar","filing":"0000851520-17-000076","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152017000076/edgardoc.xml","form_type":"4"}},{"id":4381148,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2017-03-17T21:40:35.000Z","date":"2017-03-15","kind":"exercise","acquired":false,"shares":377,"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":"2017-03-15","expiration_date":"2017-03-15","underlying":"Common Stock","underlying_shares":377},"source":{"system":"sec-edgar","filing":"0000851520-17-000076","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152017000076/edgardoc.xml","form_type":"4"}},{"id":4381147,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2017-03-17T21:40:35.000Z","date":"2017-03-15","kind":"grant","acquired":true,"shares":175,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"The dividend equivalent rights accrued with respect to RSUs, pursuant to dividends earned in 2013, 2014, and Q1 2017."},{"field":"kind","element":"transactionCoding","label":"F5","text":"The dividend equivalent rights accrued with respect to RSUs, pursuant to dividends earned in 2013, 2014, and Q1 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":377,"derivative":{"exercise_date":"2017-03-15","expiration_date":"2017-03-15","underlying":"Common Stock","underlying_shares":175},"source":{"system":"sec-edgar","filing":"0000851520-17-000076","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152017000076/edgardoc.xml","form_type":"4"}},{"id":4381146,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2017-03-17T21:40:35.000Z","date":"2017-03-15","kind":"tax_withholding","acquired":false,"shares":2785,"price":59.65,"value":166125.25,"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":19880,"source":{"system":"sec-edgar","filing":"0000851520-17-000076","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152017000076/edgardoc.xml","form_type":"4"}},{"id":4381145,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2017-03-17T21:40:35.000Z","date":"2017-03-15","kind":"exercise","acquired":true,"shares":7260,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Reflects the conversion of shares of vested Restricted Stock Units granted on March 15, 2013 into shares of Common Stock on a 1:1 basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Not applicable."}],"balance_after":22665,"source":{"system":"sec-edgar","filing":"0000851520-17-000076","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152017000076/edgardoc.xml","form_type":"4"}},{"id":4381144,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2017-03-17T21:40:35.000Z","date":"2017-03-15","kind":"exercise","acquired":true,"shares":377,"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":15405,"source":{"system":"sec-edgar","filing":"0000851520-17-000076","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152017000076/edgardoc.xml","form_type":"4"}},{"id":4387427,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Restricted Stock Units","published_at":"2017-03-14T22:35:38.000Z","date":"2017-03-10","kind":"grant","acquired":true,"shares":6474,"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":6474,"derivative":{"exercise_date":"2021-03-10","expiration_date":"2021-03-10","underlying":"Common Stock","underlying_shares":6474},"source":{"system":"sec-edgar","filing":"0000851520-17-000058","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152017000058/edgardoc.xml","form_type":"4"}},{"id":4455499,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2017-02-14T01:14:27.000Z","date":"2016-12-30","kind":"grant","acquired":true,"shares":74,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"1-for-1."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The dividend equivalent rights accrued with respect to RSUs, pursuant to dividends earned in 2016."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."}],"balance_after":74,"derivative":{"exercise_date":"2020-03-11","expiration_date":"2020-03-11","underlying":"Common Stock","underlying_shares":74},"source":{"system":"sec-edgar","filing":"0000851520-17-000021","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152017000021/edgardoc.xml","form_type":"5"}},{"id":4455498,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2017-02-14T01:14:27.000Z","date":"2016-12-30","kind":"grant","acquired":true,"shares":100,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"1-for-1."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The dividend equivalent rights accrued with respect to RSUs, pursuant to dividends earned in 2016."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."}],"balance_after":172,"derivative":{"exercise_date":"2019-03-13","expiration_date":"2019-03-13","underlying":"Common Stock","underlying_shares":100},"source":{"system":"sec-edgar","filing":"0000851520-17-000021","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152017000021/edgardoc.xml","form_type":"5"}},{"id":4455497,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2017-02-14T01:14:27.000Z","date":"2016-12-30","kind":"grant","acquired":true,"shares":78,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"1-for-1."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The dividend equivalent rights accrued with respect to RSUs, pursuant to dividends earned in 2016."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."}],"balance_after":154,"derivative":{"exercise_date":"2018-03-14","expiration_date":"2018-03-14","underlying":"Common Stock","underlying_shares":78},"source":{"system":"sec-edgar","filing":"0000851520-17-000021","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152017000021/edgardoc.xml","form_type":"5"}},{"id":4455496,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Dividend Equivalent Rights","published_at":"2017-02-14T01:14:27.000Z","date":"2016-12-30","kind":"grant","acquired":true,"shares":102,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"1-for-1."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The dividend equivalent rights accrued with respect to RSUs, pursuant to dividends earned in 2016."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Not applicable."}],"balance_after":202,"derivative":{"exercise_date":"2017-03-15","expiration_date":"2017-03-15","underlying":"Common Stock","underlying_shares":102},"source":{"system":"sec-edgar","filing":"0000851520-17-000021","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152017000021/edgardoc.xml","form_type":"5"}},{"id":4574330,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":110353,"kind":"person","name":"Murray Steven J","position":1,"cik":"0001630828","reported_name":"Murray Steven J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2016-10-26T22:13:10.000Z","date":"2016-10-24","kind":"sale","acquired":false,"shares":342,"price":57.021,"value":19501.182,"ownership":{"direct":true},"balance_after":15028,"source":{"system":"sec-edgar","filing":"0000851520-16-000318","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/851520/000085152016000318/edgardoc.xml","form_type":"4"}}]}