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The RSUs will vest and settle in three equal installments on April 1, 2025, April 1, 2026 and April 1, 2027."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Each RSU was granted on April 1, 2024, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent.  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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":66440,"derivative":{"expiration_date":"2026-04-01","underlying":"Common Stock","underlying_shares":33219},"source":{"system":"sec-edgar","filing":"0001415889-24-010031","document":"form4-04032024_080419.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588924010031/form4-04032024_080419.xml","form_type":"4"}},{"id":1548720,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Restricted Stock Units","published_at":"2024-04-03T20:44:31.000Z","date":"2024-04-01","kind":"exercise","planned":false,"acquired":false,"shares":36580,"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. 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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":2263269,"source":{"system":"sec-edgar","filing":"0001415889-24-010031","document":"form4-04032024_080419.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588924010031/form4-04032024_080419.xml","form_type":"4"}},{"id":1548717,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2024-04-03T20:44:31.000Z","date":"2024-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":15543,"price":17.88,"value":277908.84,"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":2230050,"source":{"system":"sec-edgar","filing":"0001415889-24-010031","document":"form4-04032024_080419.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588924010031/form4-04032024_080419.xml","form_type":"4"}},{"id":1548716,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2024-04-03T20:44:31.000Z","date":"2024-04-01","kind":"exercise","planned":false,"acquired":true,"shares":36580,"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 30,525 RSUs which was previously reported in Table 1 of Form 4."}],"balance_after":2209013,"source":{"system":"sec-edgar","filing":"0001415889-24-010031","document":"form4-04032024_080419.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588924010031/form4-04032024_080419.xml","form_type":"4"}},{"id":1590890,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2024-03-06T21:31:02.000Z","date":"2024-03-05","kind":"tax_withholding","planned":false,"acquired":false,"shares":17557,"price":18.88,"value":331476.16,"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":2221984,"source":{"system":"sec-edgar","filing":"0001415889-24-007042","document":"form4-03062024_090352.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588924007042/form4-03062024_090352.xml","form_type":"4"}},{"id":1590889,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2024-03-06T21:31:02.000Z","date":"2024-03-05","kind":"grant","planned":false,"acquired":true,"shares":59799,"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":99659,"derivative":{"expiration_date":"2026-04-01","underlying":"Common Stock","underlying_shares":99659},"source":{"system":"sec-edgar","filing":"0001415889-23-005797","document":"form4-04032023_080444.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588923005797/form4-04032023_080444.xml","form_type":"4"}},{"id":1931945,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Restricted Stock Units","published_at":"2023-04-03T20:35:58.000Z","date":"2023-03-31","kind":"exercise","planned":false,"acquired":false,"shares":36580,"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":73160,"derivative":{"expiration_date":"2025-04-01","underlying":"Common Stock","underlying_shares":36580},"source":{"system":"sec-edgar","filing":"0001415889-23-005797","document":"form4-04032023_080444.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588923005797/form4-04032023_080444.xml","form_type":"4"}},{"id":1931944,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2023-04-03T20:35:58.000Z","date":"2023-03-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":15543,"price":23.8,"value":369923.4,"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 30,525 RSUs which was previously reported in Table 1 of Form 4."}],"balance_after":2179742,"source":{"system":"sec-edgar","filing":"0001415889-23-005797","document":"form4-04032023_080444.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588923005797/form4-04032023_080444.xml","form_type":"4"}},{"id":1931943,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2023-04-03T20:35:58.000Z","date":"2023-03-31","kind":"exercise","planned":false,"acquired":true,"shares":36580,"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 30,525 RSUs which was previously reported in Table 1 of Form 4."}],"balance_after":2195285,"source":{"system":"sec-edgar","filing":"0001415889-23-005797","document":"form4-04032023_080444.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588923005797/form4-04032023_080444.xml","form_type":"4"}},{"id":1931942,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2023-04-03T20:35:58.000Z","date":"2023-03-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":10091,"price":23.8,"value":240165.8,"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 30,525 RSUs which was previously reported in Table 1 of Form 4."}],"balance_after":2158705,"source":{"system":"sec-edgar","filing":"0001415889-23-005797","document":"form4-04032023_080444.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588923005797/form4-04032023_080444.xml","form_type":"4"}},{"id":2256189,"issuer":{"id":3201,"kind":"organization","name":"WEST PHARMACEUTICAL SERVICES INC","symbol":"WST"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-05-26T19:49:45.000Z","date":"2022-05-24","kind":"grant","acquired":true,"shares":632,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These shares of restricted stock units will vest in full on the first anniversary of the date of grant and will be distributable under the terms of the Deferred Compensation Plan for Outside Directors."}],"balance_after":29112.13,"source":{"system":"sec-edgar","filing":"0001562180-22-004432","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/105770/000156218022004432/primarydocument.xml","form_type":"4"}},{"id":2303592,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Restricted Stock Units","published_at":"2022-04-05T20:42:37.000Z","date":"2022-04-01","kind":"grant","acquired":true,"shares":109740,"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":109740,"derivative":{"expiration_date":"2025-04-01","underlying":"Common Stock","underlying_shares":109740},"source":{"system":"sec-edgar","filing":"0001415889-22-003834","document":"form4-04052022_010426.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588922003834/form4-04052022_010426.xml","form_type":"4"}},{"id":2303591,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2022-04-05T20:42:37.000Z","date":"2022-04-01","kind":"tax_withholding","acquired":false,"shares":9255,"price":21.48,"value":198797.4,"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 30,525 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 2,107,746 shares of common stock and 61,050 RSUs, each of which was previously reported in Table 1 of Form 4.  Does not include 109,740 newly-awarded RSUs which are reported in Table II."}],"balance_after":2168796,"source":{"system":"sec-edgar","filing":"0001415889-22-003834","document":"form4-04052022_010426.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588922003834/form4-04052022_010426.xml","form_type":"4"}},{"id":2326464,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2022-03-17T20:38:33.000Z","date":"2022-03-16","kind":"sale","acquired":false,"shares":62485,"price":20.17,"value":1260322.45,"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 November 15, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $20.00 to $20.33. 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":2178051,"source":{"system":"sec-edgar","filing":"0001415889-22-003130","document":"form4-03172022_010315.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588922003130/form4-03172022_010315.xml","form_type":"4"}},{"id":2334939,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2022-03-14T20:31:46.000Z","date":"2022-03-11","kind":"sale","acquired":false,"shares":27515,"price":20.29,"value":558279.35,"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 November 15, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $20.04 to $20.41. 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":2240536,"source":{"system":"sec-edgar","filing":"0001415889-22-002931","document":"form4-03142022_010329.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588922002931/form4-03142022_010329.xml","form_type":"4"}},{"id":2381632,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2022-02-22T21:54:46.000Z","date":"2022-02-18","kind":"sale","acquired":false,"shares":4706,"price":23.93,"value":112614.58,"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 on March 24, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $23.80 to $24.09. 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":2268051,"source":{"system":"sec-edgar","filing":"0001415889-22-001632","document":"form4-02222022_010223.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588922001632/form4-02222022_010223.xml","form_type":"4"}},{"id":2381631,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2022-02-22T21:54:46.000Z","date":"2022-02-18","kind":"sale","acquired":false,"shares":70294,"price":23.31,"value":1638553.14,"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 on March 24, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $22.79 to $23.79. 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":2272757,"source":{"system":"sec-edgar","filing":"0001415889-22-001632","document":"form4-02222022_010223.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588922001632/form4-02222022_010223.xml","form_type":"4"}},{"id":2381630,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2022-02-22T13:17:56.000Z","date":"2022-02-17","kind":"sale","acquired":false,"shares":6518,"price":25.49,"value":166143.82,"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 November 15, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades at prices ranging from $25.38 to $25.72. 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":2343051,"source":{"system":"sec-edgar","filing":"0001415889-22-001598","document":"form4-02222022_050246.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588922001598/form4-02222022_050246.xml","form_type":"4"}},{"id":2381629,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2022-02-22T13:17:56.000Z","date":"2022-02-17","kind":"sale","acquired":false,"shares":30075,"price":24.93,"value":749769.75,"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 November 15, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"(3) This transaction was executed in multiple trades at prices ranging from $24.37 to $25.37. 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":2349569,"source":{"system":"sec-edgar","filing":"0001415889-22-001598","document":"form4-02222022_050246.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588922001598/form4-02222022_050246.xml","form_type":"4"}},{"id":2381628,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2022-02-22T13:17:56.000Z","date":"2022-02-17","kind":"sale","acquired":false,"shares":53407,"price":23.83,"value":1272688.81,"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 November 15, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $23.36 to $24.36. 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":2379644,"source":{"system":"sec-edgar","filing":"0001415889-22-001598","document":"form4-02222022_050246.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588922001598/form4-02222022_050246.xml","form_type":"4"}},{"id":2423811,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2022-01-27T21:46:02.000Z","date":"2022-01-26","kind":"sale","acquired":false,"shares":51196,"price":25.67,"value":1314201.32,"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 24, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $25.43 to $26.19. 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":2433051,"source":{"system":"sec-edgar","filing":"0001415889-22-000797","document":"form4-01272022_010151.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588922000797/form4-01272022_010151.xml","form_type":"4"}},{"id":2423810,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2022-01-27T21:46:02.000Z","date":"2022-01-26","kind":"sale","acquired":false,"shares":23804,"price":24.72,"value":588434.88,"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 24, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $24.42 to $25.42. 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":2484247,"source":{"system":"sec-edgar","filing":"0001415889-22-000797","document":"form4-01272022_010151.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588922000797/form4-01272022_010151.xml","form_type":"4"}},{"id":2459320,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2021-12-23T21:15:56.000Z","date":"2021-12-22","kind":"sale","acquired":false,"shares":75000,"price":28.58,"value":2143500.0,"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 24, 2021."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $28.06 to $28.99. 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":2508051,"source":{"system":"sec-edgar","filing":"0001415889-21-006207","document":"form4-12232021_011241.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588921006207/form4-12232021_011241.xml","form_type":"4"}},{"id":2480218,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2021-12-08T21:49:00.000Z","date":"2021-12-07","kind":"sale","acquired":false,"shares":54849,"price":27.82,"value":1525899.18,"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 $27.72 to $28.15. 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":2583051,"source":{"system":"sec-edgar","filing":"0001415889-21-005782","document":"form4-12082021_011255.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588921005782/form4-12082021_011255.xml","form_type":"4"}},{"id":2480217,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2021-12-08T21:49:00.000Z","date":"2021-12-07","kind":"sale","acquired":false,"shares":15151,"price":27.58,"value":417864.58,"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 $26.72 to $27.71. 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":2637900,"source":{"system":"sec-edgar","filing":"0001415889-21-005782","document":"form4-12082021_011255.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588921005782/form4-12082021_011255.xml","form_type":"4"}},{"id":2483443,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2021-12-06T21:45:54.000Z","date":"2021-12-03","kind":"sale","acquired":false,"shares":3500,"price":26.54,"value":92890.0,"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 $26.38 to $27.03. 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":2653051,"source":{"system":"sec-edgar","filing":"0001415889-21-005731","document":"form4-12062021_011244.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588921005731/form4-12062021_011244.xml","form_type":"4"}},{"id":2483442,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2021-12-06T21:45:54.000Z","date":"2021-12-03","kind":"sale","acquired":false,"shares":66500,"price":25.99,"value":1728335.0,"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 $25.37 to $26.35. 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":2656551,"source":{"system":"sec-edgar","filing":"0001415889-21-005731","document":"form4-12062021_011244.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588921005731/form4-12062021_011244.xml","form_type":"4"}},{"id":2494029,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2021-11-26T21:48:31.000Z","date":"2021-11-24","kind":"sale","acquired":false,"shares":17479,"price":28.66,"value":500948.14,"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 $28.63 to $28.79. 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":2723051,"source":{"system":"sec-edgar","filing":"0001415889-21-005532","document":"form4-11262021_011125.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588921005532/form4-11262021_011125.xml","form_type":"4"}},{"id":2494028,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2021-11-26T21:48:31.000Z","date":"2021-11-24","kind":"sale","acquired":false,"shares":127521,"price":28.4,"value":3621596.4,"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 $27.62 to $28.62. 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":2740530,"source":{"system":"sec-edgar","filing":"0001415889-21-005532","document":"form4-11262021_011125.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588921005532/form4-11262021_011125.xml","form_type":"4"}},{"id":2500137,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2021-11-22T22:03:39.000Z","date":"2021-11-19","kind":"sale","acquired":false,"shares":70000,"price":30.31,"value":2121700.0,"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 $29.76 to $30.62. 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":2868051,"source":{"system":"sec-edgar","filing":"0001415889-21-005392","document":"form4-11222021_021129.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588921005392/form4-11222021_021129.xml","form_type":"4"}},{"id":2532604,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2021-10-28T20:43:36.000Z","date":"2021-10-27","kind":"sale","acquired":false,"shares":200,"price":39.76,"value":7952.0,"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 $39.75 to $39.76. 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":2938051,"source":{"system":"sec-edgar","filing":"0001415889-21-005002","document":"form4-10282021_011027.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588921005002/form4-10282021_011027.xml","form_type":"4"}},{"id":2532603,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2021-10-28T20:43:36.000Z","date":"2021-10-27","kind":"sale","acquired":false,"shares":74800,"price":39.24,"value":2935152.0,"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 $38.72 to $39.72. 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":2938251,"source":{"system":"sec-edgar","filing":"0001415889-21-005002","document":"form4-10282021_011027.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588921005002/form4-10282021_011027.xml","form_type":"4"}},{"id":2560620,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2021-09-23T20:29:59.000Z","date":"2021-09-22","kind":"sale","acquired":false,"shares":16854,"price":36.83,"value":620732.82,"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 $36.74 to $36.97. 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":3013051,"source":{"system":"sec-edgar","filing":"0001415889-21-004538","document":"form4-09232021_010947.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588921004538/form4-09232021_010947.xml","form_type":"4"}},{"id":2560619,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2021-09-23T20:29:59.000Z","date":"2021-09-22","kind":"sale","acquired":false,"shares":58146,"price":36.24,"value":2107211.04,"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 $35.74 to $36.74. 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":3029905,"source":{"system":"sec-edgar","filing":"0001415889-21-004538","document":"form4-09232021_010947.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588921004538/form4-09232021_010947.xml","form_type":"4"}},{"id":2589321,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2021-08-26T20:31:30.000Z","date":"2021-08-25","kind":"sale","acquired":false,"shares":50692,"price":31.37,"value":1590208.04,"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 $31.19 to $31.60. 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":3088051,"source":{"system":"sec-edgar","filing":"0001415889-21-004103","document":"form4-08262021_010854.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588921004103/form4-08262021_010854.xml","form_type":"4"}},{"id":2589320,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2021-08-26T20:31:30.000Z","date":"2021-08-25","kind":"sale","acquired":false,"shares":24308,"price":31.08,"value":755492.64,"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 $30.19 to $31.18.  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":3138743,"source":{"system":"sec-edgar","filing":"0001415889-21-004103","document":"form4-08262021_010854.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588921004103/form4-08262021_010854.xml","form_type":"4"}},{"id":2621034,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2021-07-30T20:30:47.000Z","date":"2021-07-28","kind":"sale","acquired":false,"shares":75000,"price":26.16,"value":1962000.0,"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 $25.70 to $26.64 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":3163051,"source":{"system":"sec-edgar","filing":"0001415889-21-003746","document":"form4-07302021_010720.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1543193/000141588921003746/form4-07302021_010720.xml","form_type":"4"}},{"id":2655564,"issuer":{"id":787,"kind":"organization","name":"Certara, Inc.","symbol":"CERT"},"owners":[{"id":49534,"kind":"person","name":"Feehery William F","position":1,"cik":"0001543193","reported_name":"Feehery William F","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Common Stock","published_at":"2021-06-24T20:43:07.000Z","date":"2021-06-23","kind":"sale","acquired":false,"shares":200,"price":27.17,"value":5434.0,"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 $27.14 to $27.17. The price reported above reflects the weighted average sale price. 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