{"transactions":[{"id":1548344,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Restricted Stock Units","published_at":"2024-04-03T21:08:49.000Z","date":"2024-04-01","kind":"exercise","planned":true,"acquired":false,"shares":6644,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each RSU was granted on April 1, 2023, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent.  One-third of the RSUs vested and were settled on April 1, 2024.  The remaining two-thirds of the RSUs are scheduled to vest and settle in equal parts on April 1, 2025 and April 1, 2026."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each RSU was granted on April 1, 2023, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent.  One-third of the RSUs vested and were settled on April 1, 2024.  The remaining two-thirds of the RSUs are scheduled to vest and settle in equal parts on April 1, 2025 and April 1, 2026."}],"balance_after":13288,"derivative":{"expiration_date":"2026-04-01","underlying":"Common Stock","underlying_shares":6644},"source":{"system":"sec-edgar","filing":"0001415889-24-010075","document":"form4-04032024_090439.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588924010075/form4-04032024_090439.xml","form_type":"4"}},{"id":1548343,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Restricted Stock Units","published_at":"2024-04-03T21:08:49.000Z","date":"2024-04-01","kind":"exercise","planned":true,"acquired":false,"shares":6651,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each RSU was granted on April 1, 2022, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent.  One-third of the RSUs vested and were settled on March 31, 2023.  One-third of the RSUs vested and were settled on April 1, 2024. The remaining one-third of the RSUs are scheduled to vest and settle on April 1, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Each RSU was granted on April 1, 2022, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent.  One-third of the RSUs vested and were settled on March 31, 2023.  One-third of the RSUs vested and were settled on April 1, 2024. The remaining one-third of the RSUs are scheduled to vest and settle on April 1, 2025."}],"balance_after":6651,"derivative":{"expiration_date":"2025-04-01","underlying":"Common Stock","underlying_shares":6651},"source":{"system":"sec-edgar","filing":"0001415889-24-010075","document":"form4-04032024_090439.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588924010075/form4-04032024_090439.xml","form_type":"4"}},{"id":1548342,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2024-04-03T21:08:49.000Z","date":"2024-04-01","kind":"sale","planned":true,"acquired":false,"shares":3000,"price":18,"value":54000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 11, 2023."}],"balance_after":173524,"source":{"system":"sec-edgar","filing":"0001415889-24-010075","document":"form4-04032024_090439.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588924010075/form4-04032024_090439.xml","form_type":"4"}},{"id":1548341,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2024-04-03T21:08:49.000Z","date":"2024-04-01","kind":"tax_withholding","planned":true,"acquired":false,"shares":2276,"price":17.88,"value":40694.88,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents RSUs of Certara withheld to satisfy tax withholding obligations in connection with the vesting of RSUs described in footnotes, 1, 4, and 5, exempt under Rule 16b-3."}],"balance_after":176524,"source":{"system":"sec-edgar","filing":"0001415889-24-010075","document":"form4-04032024_090439.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588924010075/form4-04032024_090439.xml","form_type":"4"}},{"id":1548340,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2024-04-03T21:08:49.000Z","date":"2024-04-01","kind":"exercise","planned":true,"acquired":true,"shares":6644,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Each RSU was granted on April 1, 2023, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent.  One-third of the RSUs vested and were settled on April 1, 2024.  The remaining two-thirds of the RSUs are scheduled to vest and settle in equal parts on April 1, 2025 and April 1, 2026."}],"balance_after":178800,"source":{"system":"sec-edgar","filing":"0001415889-24-010075","document":"form4-04032024_090439.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588924010075/form4-04032024_090439.xml","form_type":"4"}},{"id":1548339,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2024-04-03T21:08:49.000Z","date":"2024-04-01","kind":"tax_withholding","planned":true,"acquired":false,"shares":2245,"price":17.88,"value":40140.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents RSUs of Certara withheld to satisfy tax withholding obligations in connection with the vesting of RSUs described in footnotes, 1, 4, and 5, exempt under Rule 16b-3."}],"balance_after":172156,"source":{"system":"sec-edgar","filing":"0001415889-24-010075","document":"form4-04032024_090439.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588924010075/form4-04032024_090439.xml","form_type":"4"}},{"id":1548338,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2024-04-03T21:08:49.000Z","date":"2024-04-01","kind":"exercise","planned":true,"acquired":true,"shares":6651,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Each RSU was granted on April 1, 2022, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent.  One-third of the RSUs vested and were settled on March 31, 2023.  One-third of the RSUs vested and were settled on April 1, 2024. 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(\"Certara\") 2020 Incentive Plan (the \"2020 Incentive Plan\") and represents the right to receive one share of common stock or the cash equivalent.  One-third of the RSUs vested and were settled on April 1, 2022.  One-third of the RSUs vested and were settled on March 31, 2023.  The remaining one-third of the RSUs vested and were settled on April 1, 2024."},{"field":"shares","element":"transactionShares","label":"F2","text":"Represents RSUs of Certara withheld to satisfy tax withholding obligations in connection with the vesting of RSUs described in footnotes, 1, 4, and 5, exempt under Rule 16b-3."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The total reported in Column 5 includes 5,495 RSUs which was previously reported in Table 1 of Form 4."}],"balance_after":167750,"source":{"system":"sec-edgar","filing":"0001415889-24-010075","document":"form4-04032024_090439.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588924010075/form4-04032024_090439.xml","form_type":"4"}},{"id":1590667,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2024-03-06T21:39:00.000Z","date":"2024-03-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":3660,"price":18.88,"value":69100.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents shares of the issuer withheld to satisfy tax withholding obligations in connection with the vesting of PSUs described in footnote 1."}],"balance_after":169473,"source":{"system":"sec-edgar","filing":"0001415889-24-007051","document":"form4-03062024_090348.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588924007051/form4-03062024_090348.xml","form_type":"4"}},{"id":1590666,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2024-03-06T21:39:00.000Z","date":"2024-03-05","kind":"grant","planned":false,"acquired":true,"shares":10765,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each performance stock unit (\"PSU\") was granted on April 1, 2021, under the Certara, Inc. 2020 Incentive Plan and represents a right to receive one share of common stock. 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The RSUs will vest and settle in three equal installments on April 1, 2024, April 1, 2025, and April 1, 2026."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Each RSU was granted on April 1, 2023, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent thereof.  The RSUs will vest and settle in three equal installments on April 1, 2024, April 1, 2025, and April 1, 2026."}],"balance_after":19932,"derivative":{"expiration_date":"2026-04-01","underlying":"Common Stock","underlying_shares":19932},"source":{"system":"sec-edgar","filing":"0001415889-23-005805","document":"form4-04032023_080427.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588923005805/form4-04032023_080427.xml","form_type":"4"}},{"id":1931722,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Restricted Stock Units","published_at":"2023-04-03T20:49:33.000Z","date":"2023-03-31","kind":"exercise","planned":false,"acquired":false,"shares":6651,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each RSU was granted on April 1, 2022, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent thereof.  One-third of the RSUs vested and were settled on March 31, 2023.  The remaining two-thirds of the RSUs are scheduled to vest and settle in two equal installments on April 1, 2024, and April 1, 2025."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Each RSU was granted on April 1, 2022, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent thereof.  One-third of the RSUs vested and were settled on March 31, 2023.  The remaining two-thirds of the RSUs are scheduled to vest and settle in two equal installments on April 1, 2024, and April 1, 2025."}],"balance_after":13302,"derivative":{"expiration_date":"2025-04-01","underlying":"Common Stock","underlying_shares":6651},"source":{"system":"sec-edgar","filing":"0001415889-23-005805","document":"form4-04032023_080427.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588923005805/form4-04032023_080427.xml","form_type":"4"}},{"id":1931721,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2023-04-03T20:49:33.000Z","date":"2023-03-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":2124,"price":23.8,"value":50551.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents RSUs withheld to satisfy the tax withholding obligations in connection with the vesting and settlement of RSUs, exempt under Rule 16b-3."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The total reported in Column 5 includes 5,495 RSUs which was previously reported in Table 1 of Form 4."}],"balance_after":187368,"source":{"system":"sec-edgar","filing":"0001415889-23-005805","document":"form4-04032023_080427.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588923005805/form4-04032023_080427.xml","form_type":"4"}},{"id":1931720,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2023-04-03T20:49:33.000Z","date":"2023-03-31","kind":"exercise","planned":false,"acquired":true,"shares":6651,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Each RSU was granted on April 1, 2022, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent thereof.  One-third of the RSUs vested and were settled on March 31, 2023.  The remaining two-thirds of the RSUs are scheduled to vest and settle in two equal installments on April 1, 2024, and April 1, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The total reported in Column 5 includes 5,495 RSUs which was previously reported in Table 1 of Form 4."}],"balance_after":189492,"source":{"system":"sec-edgar","filing":"0001415889-23-005805","document":"form4-04032023_080427.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588923005805/form4-04032023_080427.xml","form_type":"4"}},{"id":1931719,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2023-04-03T20:49:33.000Z","date":"2023-03-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":1723,"price":23.8,"value":41007.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (\"RSUs\") withheld to satisfy the tax withholding obligations in connection with the vesting and settlement of RSUs, exempt under Rule 16b-3.  Each RSUs was granted on April 1, 2021, under the Certara, Inc. 2020 Incentive Plan (the \"2020 Incentive Plan\") and represents a right to receive one share of common stock or the cash equivalent thereof.  One-third of the RSUs vested and were settled on April 1, 2022.  One-third of the RSUs vested and were on March 31, 2023.  The remaining one-third of the RSUs are scheduled to vest and settle on April 1, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The total reported in Column 5 includes 5,495 RSUs which was previously reported in Table 1 of Form 4."}],"balance_after":182841,"source":{"system":"sec-edgar","filing":"0001415889-23-005805","document":"form4-04032023_080427.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588923005805/form4-04032023_080427.xml","form_type":"4"}},{"id":1964784,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2023-03-07T21:35:51.000Z","date":"2023-03-06","kind":"sale","acquired":false,"shares":10000,"price":21.45,"value":214500.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 11, 2022."}],"balance_after":184564,"source":{"system":"sec-edgar","filing":"0001415889-23-004425","document":"form4-03072023_090323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588923004425/form4-03072023_090323.xml","form_type":"4"}},{"id":2031802,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2023-02-03T21:40:34.000Z","date":"2023-02-02","kind":"sale","acquired":false,"shares":15000,"price":20,"value":300000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 11, 2022."}],"balance_after":194564,"source":{"system":"sec-edgar","filing":"0001415889-23-001930","document":"form4-02032023_090209.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588923001930/form4-02032023_090209.xml","form_type":"4"}},{"id":2303188,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Restricted Stock Units","published_at":"2022-04-05T21:00:06.000Z","date":"2022-04-01","kind":"grant","acquired":true,"shares":19953,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each RSU is granted under the Certara, Inc. 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent thereof.  The reporting person has reported prior awards of RSUs in Table 1 of Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The RSUs will vest and settle in three equal installments on April 1, 2023, April 1, 2024 and April 1, 2025."}],"balance_after":19953,"derivative":{"expiration_date":"2025-04-01","underlying":"Common Stock","underlying_shares":19953},"source":{"system":"sec-edgar","filing":"0001415889-22-003843","document":"form4-04052022_010451.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588922003843/form4-04052022_010451.xml","form_type":"4"}},{"id":2303187,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2022-04-05T21:00:06.000Z","date":"2022-04-01","kind":"tax_withholding","acquired":false,"shares":1723,"price":21.48,"value":37010.04,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units (\"RSU\") withheld to satisfy tax withholding obligations in connection with the vesting and settlement of 5,494 RSUs, previously granted to the reporting person on April 1, 2021. The remaining two-thirds of the RSUs are scheduled to vest and settle in two equal installments on April 1, 2023 and April 1, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The total reported in Column 5 includes 198,574 shares of common stock and 10,990 RSUs, each of which was previously reported in Table 1 of Form 4.  Does not include 19,953 newly-awarded RSUs which are reported in Table II."}],"balance_after":209564,"source":{"system":"sec-edgar","filing":"0001415889-22-003843","document":"form4-04052022_010451.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588922003843/form4-04052022_010451.xml","form_type":"4"}},{"id":2323874,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2022-03-18T20:39:40.000Z","date":"2022-03-16","kind":"sale","acquired":false,"shares":3000,"price":20,"value":60000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 23, 2021."}],"balance_after":211287,"source":{"system":"sec-edgar","filing":"0001415889-22-003193","document":"form4-03182022_010319.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588922003193/form4-03182022_010319.xml","form_type":"4"}},{"id":2423746,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2022-01-27T21:49:53.000Z","date":"2022-01-26","kind":"sale","acquired":false,"shares":3000,"price":26.01,"value":78030.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 23, 2021."}],"balance_after":214287,"source":{"system":"sec-edgar","filing":"0001415889-22-000799","document":"form4-01272022_010138.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588922000799/form4-01272022_010138.xml","form_type":"4"}},{"id":2429568,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2022-01-20T13:02:03.000Z","date":"2022-01-18","kind":"sale","acquired":false,"shares":5000,"price":27.44,"value":137200.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 23, 2021."}],"balance_after":217287,"source":{"system":"sec-edgar","filing":"0001415889-22-000678","document":"form4-01202022_050155.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588922000678/form4-01202022_050155.xml","form_type":"4"}},{"id":2457644,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2021-12-28T23:23:50.000Z","date":"2021-12-27","kind":"sale","acquired":false,"shares":3000,"price":29.3,"value":87900.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 23, 2021."}],"balance_after":222287,"source":{"system":"sec-edgar","filing":"0001415889-21-006267","document":"form4-12282021_031242.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588921006267/form4-12282021_031242.xml","form_type":"4"}},{"id":2509961,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2021-11-16T21:50:37.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":5000,"price":38.96,"value":194800.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person."}],"balance_after":225287,"source":{"system":"sec-edgar","filing":"0001415889-21-005219","document":"form4-11162021_011117.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588921005219/form4-11162021_011117.xml","form_type":"4"}},{"id":2509960,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2021-11-16T21:50:37.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":300,"price":38.66,"value":11598.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This transaction was executed in multiple trades at prices ranging from $38.48 to $39.38. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":230287,"source":{"system":"sec-edgar","filing":"0001415889-21-005219","document":"form4-11162021_011117.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588921005219/form4-11162021_011117.xml","form_type":"4"}},{"id":2509959,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2021-11-16T21:50:37.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":14700,"price":37.85,"value":556395.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades at prices ranging from $37.37 to $38.28. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":230587,"source":{"system":"sec-edgar","filing":"0001415889-21-005219","document":"form4-11162021_011117.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588921005219/form4-11162021_011117.xml","form_type":"4"}},{"id":2509958,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2021-11-16T21:50:37.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":3000,"price":38.96,"value":116880.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person."}],"balance_after":245287,"source":{"system":"sec-edgar","filing":"0001415889-21-005219","document":"form4-11162021_011117.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588921005219/form4-11162021_011117.xml","form_type":"4"}},{"id":2509957,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2021-11-16T21:50:37.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":700,"price":38.56,"value":26992.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $38.44 to $38.98. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":248287,"source":{"system":"sec-edgar","filing":"0001415889-21-005219","document":"form4-11162021_011117.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588921005219/form4-11162021_011117.xml","form_type":"4"}},{"id":2509956,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2021-11-16T21:50:37.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":49300,"price":37.84,"value":1865512.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $37.37 to $38.36. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":248987,"source":{"system":"sec-edgar","filing":"0001415889-21-005219","document":"form4-11162021_011117.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588921005219/form4-11162021_011117.xml","form_type":"4"}},{"id":2533328,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2021-10-27T20:58:12.000Z","date":"2021-10-26","kind":"sale","acquired":false,"shares":3000,"price":39.95,"value":119850.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person."}],"balance_after":298287,"source":{"system":"sec-edgar","filing":"0001415889-21-004994","document":"form4-10272021_011003.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588921004994/form4-10272021_011003.xml","form_type":"4"}},{"id":2540176,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2021-10-18T20:43:32.000Z","date":"2021-10-15","kind":"sale","acquired":false,"shares":5000,"price":37.38,"value":186900.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person."}],"balance_after":301287,"source":{"system":"sec-edgar","filing":"0001415889-21-004899","document":"form4-10182021_011018.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588921004899/form4-10182021_011018.xml","form_type":"4"}},{"id":2557279,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2021-09-28T20:18:29.000Z","date":"2021-09-27","kind":"sale","acquired":false,"shares":3000,"price":36,"value":108000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person."}],"balance_after":306287,"source":{"system":"sec-edgar","filing":"0001415889-21-004594","document":"form4-09282021_010909.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588921004594/form4-09282021_010909.xml","form_type":"4"}},{"id":2580885,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2021-09-02T20:25:37.000Z","date":"2021-09-01","kind":"sale","acquired":false,"shares":10591,"price":34.06,"value":360729.46,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades at prices ranging from $33.96 to $34.29. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":309287,"source":{"system":"sec-edgar","filing":"0001415889-21-004185","document":"form4-09022021_010920.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588921004185/form4-09022021_010920.xml","form_type":"4"}},{"id":2580884,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2021-09-02T20:25:37.000Z","date":"2021-09-01","kind":"sale","acquired":false,"shares":19409,"price":33.66,"value":653306.94,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $32.96 to $33.95. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":319878,"source":{"system":"sec-edgar","filing":"0001415889-21-004185","document":"form4-09022021_010920.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588921004185/form4-09022021_010920.xml","form_type":"4"}},{"id":2599182,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common 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M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2021-07-27T21:24:08.000Z","date":"2021-07-26","kind":"sale","acquired":false,"shares":3000,"price":26.27,"value":78810.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person."}],"balance_after":347287,"source":{"system":"sec-edgar","filing":"0001415889-21-003728","document":"form4-07272021_020720.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588921003728/form4-07272021_020720.xml","form_type":"4"}},{"id":2651068,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2021-06-29T20:48:25.000Z","date":"2021-06-28","kind":"sale","acquired":false,"shares":3000,"price":28.38,"value":85140.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person."}],"balance_after":350287,"source":{"system":"sec-edgar","filing":"0001415889-21-003255","document":"form4-06292021_010606.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588921003255/form4-06292021_010606.xml","form_type":"4"}},{"id":2652973,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP AND GENERAL COUNSEL"}}],"security":"Common Stock","published_at":"2021-06-28T20:43:56.000Z","date":"2021-06-24","kind":"sale","acquired":false,"shares":5000,"price":26.37,"value":131850.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person."}],"balance_after":353287,"source":{"system":"sec-edgar","filing":"0001415889-21-003249","document":"form4-06282021_010643.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000141588921003249/form4-06282021_010643.xml","form_type":"4"}},{"id":2751761,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP and General Counsel"}}],"security":"Common Stock","published_at":"2021-04-09T20:23:27.000Z","date":"2021-04-01","kind":"grant","acquired":true,"shares":16484,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents 16,484 restricted stock units (\"RSUs\") granted to the reporting person that will entitle the reporting person to receive one share of the Issuer's Common Stock per RSU. The RSUs will vest, and the underlying shares will be concurrently issued in a series of three equal installments upon the reporting person's completion of each 12 month period of service over the period measured from April 1, 2021 to April 1, 2024, subject to the continued service of the reporting person through such vesting dates."}],"balance_after":358287,"source":{"system":"sec-edgar","filing":"0001104659-21-048733","document":"tm2112600-4_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000110465921048733/tm2112600-4_4seq1.xml","form_type":"4"}},{"id":2941751,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP and General Counsel"}}],"security":"Common Stock","published_at":"2020-12-16T23:22:04.000Z","date":"2020-12-15","kind":"purchase","acquired":true,"shares":245,"price":23,"value":5635.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Shares were acquired in a directed share program in connection with the Issuer's initial public offering."}],"balance_after":341803,"source":{"system":"sec-edgar","filing":"0001104659-20-136435","document":"tm2038646-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000110465920136435/tm2038646-1_4seq1.xml","form_type":"4"}},{"id":2941750,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP and General Counsel"}}],"security":"Common Stock","published_at":"2020-12-16T23:22:04.000Z","date":"2020-12-10","kind":"grant","acquired":true,"shares":224033,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents restricted stock previously granted to the reporting person on December 10, 2020. These shares of restricted stock were already reflected on the reporting person's previously filed Form 3."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents restricted stock previously granted to the reporting person on December 10, 2020. These shares of restricted stock were already reflected on the reporting person's previously filed Form 3."}],"balance_after":341558,"source":{"system":"sec-edgar","filing":"0001104659-20-136435","document":"tm2038646-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000110465920136435/tm2038646-1_4seq1.xml","form_type":"4"}},{"id":2941749,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":92242,"kind":"person","name":"Traynor Richard M.","position":1,"cik":"0001834465","reported_name":"Traynor Richard M.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP and General Counsel"}}],"security":"Common Stock","published_at":"2020-12-16T23:22:04.000Z","date":"2020-12-10","kind":"other","acquired":true,"shares":117525,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the receipt of shares of common stock of the Issuer from EQT Avatar Parent L.P. in exchange for units in EQT Avatar Parent L.P. previously held by the reporting person. These shares of common stock were already reflected on the reporting person's previously filed Form 3."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the receipt of shares of common stock of the Issuer from EQT Avatar Parent L.P. in exchange for units in EQT Avatar Parent L.P. previously held by the reporting person. These shares of common stock were already reflected on the reporting person's previously filed Form 3."}],"balance_after":117525,"source":{"system":"sec-edgar","filing":"0001104659-20-136435","document":"tm2038646-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1827090/000110465920136435/tm2038646-1_4seq1.xml","form_type":"4"}}]}