{"transactions":[{"id":780288,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":47577,"kind":"person","name":"Resnick Jon Matthew","position":1,"cik":"0002104700","reported_name":"Resnick Jon Matthew","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Restricted Stock Units","published_at":"2026-05-13T20:53:20.000Z","date":"2026-05-11","kind":"exercise","planned":false,"acquired":false,"shares":59766,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") was granted on May 11 2026, pursuant to the terms of Mr. Resnick's employment agreement, under the 2020 Incentive Plan and represents a right to receive one share of common stock. One-third of the RSUs vested and settled on May 11, 2026.  The remaining two-thirds of the RSUs will vest and settle on April 1, 2027, and April 1, 2028."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each restricted stock unit (\"RSU\") was granted on May 11 2026, pursuant to the terms of Mr. Resnick's employment agreement, under the 2020 Incentive Plan and represents a right to receive one share of common stock. One-third of the RSUs vested and settled on May 11, 2026.  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The RSUs will vest and settle in three equal installments on April 1, 2027, April 1, 2028, and April 1, 2029."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each RSU was granted on May 11, 2026, pursuant to the terms of Mr. Resnick's employment agreement, under the 2020 Incentive Plan and represents a right to receive one share of common stock. The RSUs will vest and settle in three equal installments on April 1, 2027, April 1, 2028, and April 1, 2029."}],"balance_after":493827,"derivative":{"expiration_date":"2029-04-01","underlying":"Common Stock","underlying_shares":493827},"source":{"system":"sec-edgar","filing":"0002104700-26-000006","document":"form4-05132026_080516.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000210470026000006/form4-05132026_080516.xml","form_type":"4"}},{"id":780285,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":47577,"kind":"person","name":"Resnick Jon Matthew","position":1,"cik":"0002104700","reported_name":"Resnick Jon Matthew","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Restricted Stock Units","published_at":"2026-05-13T20:53:20.000Z","date":"2026-05-11","kind":"grant","planned":false,"acquired":true,"shares":179299,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") was granted on May 11 2026, pursuant to the terms of Mr. Resnick's employment agreement, under the 2020 Incentive Plan and represents a right to receive one share of common stock. One-third of the RSUs vested and settled on May 11, 2026.  The remaining two-thirds of the RSUs will vest and settle on April 1, 2027, and April 1, 2028."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each restricted stock unit (\"RSU\") was granted on May 11 2026, pursuant to the terms of Mr. Resnick's employment agreement, under the 2020 Incentive Plan and represents a right to receive one share of common stock. One-third of the RSUs vested and settled on May 11, 2026.  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The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported if the Company's stock price achieves certain thresholds prior to the end of the period ending on March 31, 2029 (2026 LTI)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Each PSU was granted on May 11, 2026, pursuant to the terms of Mr. Resnick's employment agreement, under the 2020 Incentive Plan. Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported if the Company's stock price achieves certain thresholds prior to the end of the period ending on March 31, 2029 (2026 LTI)."}],"balance_after":740740,"derivative":{"underlying":"Common Stock","underlying_shares":740740},"source":{"system":"sec-edgar","filing":"0002104700-26-000006","document":"form4-05132026_080516.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000210470026000006/form4-05132026_080516.xml","form_type":"4"}},{"id":780283,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":47577,"kind":"person","name":"Resnick Jon Matthew","position":1,"cik":"0002104700","reported_name":"Resnick Jon Matthew","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Performance Stock Units","published_at":"2026-05-13T20:53:20.000Z","date":"2026-05-11","kind":"grant","planned":false,"acquired":true,"shares":268949,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each Certara, Inc. 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