{"transactions":[{"id":4624461,"issuer":{"id":4154,"kind":"organization","name":"EXPONENT INC","symbol":"EXPO"},"owners":[{"id":183767,"kind":"person","name":"Souri Shukri Jeries","position":1,"cik":"0002154478","reported_name":"Souri Shukri Jeries","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Group Vice President"}}],"security":"Common Stock","published_at":"2026-09-22T16:26:14.000Z","date":"2026-09-18","kind":"purchase","planned":false,"acquired":true,"shares":184,"price":68.4452,"value":12593.9168,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents whole shares acquired under the Issuer's Dividend Reinvestment Plan. An additional 0.288 shares were acquired in the transaction, bringing the total fractional share balance held via DRIP to 0.382 shares. The balance includes 0.094 shares held via DRIP that were not previously reported on the Form 3."}],"balance_after":40873,"source":{"system":"sec-edgar","filing":"0000851520-26-000101","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2154478/000085152026000101/edgardoc.xml","form_type":"4"}}]}