CERT

SEC source: 0001415889-23-012566 · form4-08232023_080847.xml · nonDerivative · entry 1

BROSHY ERAN · CIK 0001256230 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,553

SEC source: 0001415889-23-011764 · form4-08022023_080817.xml · nonDerivative · entry 1

SHERMAN NICOLETTE D · CIK 0001872604 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,490

F1 · shares: Represents restricted stock units ("RSUs") withheld to satisfy the tax withholding obligation in connection with the vesting and settlement of 3,369 RSUs previously granted to the reporting person on August 1, 2021. The remaining one-third of the RSUs are scheduled to vest and settle on August 1, 2024.

SEC source: 0001415889-23-010592 · form4-07032023_090711.xml · nonDerivative · entry 1

Aspbury Robert · CIK 0001834221 · PRESIDENT, SIMCYP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 276,065

F1 · shares: Represents restricted stock units ("RSU") withheld to satisfy tax withholding obligations in connection with the vesting and settlement of 1,832 RSUs, previously granted to the reporting person on July 1, 2021. The remaining one-third of the RSUs are scheduled to vest and settle on July 1, 2024.

SEC source: 0001415889-23-009326 · form4-06062023_080614.xml · nonDerivative · entry 1

SMITH PATRICK F · CIK 0001890360 · PRESIDENT, INTEGRATED DRUG DEV

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 59,975

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 3, 2023.

SEC source: 0001415889-23-008750 · form4-05252023_120547.xml · derivative · entry 3

Crane Rosemary A · CIK 0001443343 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,663

Underlying: Common Stock · 8,663 shares

Expires not disclosed

F2 · derivative.exercise_price: Represents RSUs granted on May 23, 2023, under the 2020 Incentive Plan that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual shareholder meeting.

F2 · derivative.exercise_date: Represents RSUs granted on May 23, 2023, under the 2020 Incentive Plan that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual shareholder meeting.

F2 · derivative.expiration_date: Represents RSUs granted on May 23, 2023, under the 2020 Incentive Plan that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual shareholder meeting.

SEC source: 0001415889-23-008750 · form4-05252023_120547.xml · derivative · entry 2

Crane Rosemary A · CIK 0001443343 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,324 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents restricted stock units ("RSUs") granted on July 21, 2022, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") that entitles the reporting person to receive one share of the Issuer's common stock per RSU. The RSUs vested and were converted into common shares on the day of the annual meeting of the Issuer.

F1 · derivative.exercise_date: Represents restricted stock units ("RSUs") granted on July 21, 2022, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") that entitles the reporting person to receive one share of the Issuer's common stock per RSU. The RSUs vested and were converted into common shares on the day of the annual meeting of the Issuer.

F1 · derivative.expiration_date: Represents restricted stock units ("RSUs") granted on July 21, 2022, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") that entitles the reporting person to receive one share of the Issuer's common stock per RSU. The RSUs vested and were converted into common shares on the day of the annual meeting of the Issuer.

SEC source: 0001415889-23-008750 · form4-05252023_120547.xml · nonDerivative · entry 1

Crane Rosemary A · CIK 0001443343 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,324

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents restricted stock units ("RSUs") granted on July 21, 2022, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") that entitles the reporting person to receive one share of the Issuer's common stock per RSU. The RSUs vested and were converted into common shares on the day of the annual meeting of the Issuer.

SEC source: 0001415889-23-008748 · form4-05252023_120541.xml · derivative · entry 1

Collins Cynthia · CIK 0001405692 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,663

Underlying: Common Stock · 8,663 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents restricted stock units ("RSUs") granted on May 23, 2023, under the Certara Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual shareholder meeting.

F1 · derivative.exercise_date: Represents restricted stock units ("RSUs") granted on May 23, 2023, under the Certara Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual shareholder meeting.

F1 · derivative.expiration_date: Represents restricted stock units ("RSUs") granted on May 23, 2023, under the Certara Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual shareholder meeting.

SEC source: 0001415889-23-008752 · form4-05252023_120506.xml · derivative · entry 1

WALSH MATTHEW M · CIK 0001269428 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,663

Underlying: Common Stock · 8,663 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents restricted stock units ("RSUs") granted on May 23, 2023, under the Certara Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual shareholder meeting.

F1 · derivative.exercise_date: Represents restricted stock units ("RSUs") granted on May 23, 2023, under the Certara Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual shareholder meeting.

F1 · derivative.expiration_date: Represents restricted stock units ("RSUs") granted on May 23, 2023, under the Certara Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual shareholder meeting.

SEC source: 0001415889-23-008756 · form4-05252023_120556.xml · derivative · entry 1

CASHMAN JAMES E III · CIK 0001199440 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,663

Underlying: Common Stock · 8,663 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents restricted stock units ("RSUs") granted on May 23, 2023, under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual shareholder meeting.

F1 · derivative.exercise_date: Represents restricted stock units ("RSUs") granted on May 23, 2023, under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual shareholder meeting.

F1 · derivative.expiration_date: Represents restricted stock units ("RSUs") granted on May 23, 2023, under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual shareholder meeting.

SEC source: 0001415889-23-008754 · form4-05252023_120542.xml · derivative · entry 3

BROSHY ERAN · CIK 0001256230 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,663

Underlying: Common Stock · 8,663 shares

Expires not disclosed

F2 · derivative.exercise_price: Represents RSUs granted on May 23, 2023, under the 2020 Incentive Plan that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual shareholder meeting.

F2 · derivative.exercise_date: Represents RSUs granted on May 23, 2023, under the 2020 Incentive Plan that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual shareholder meeting.

F2 · derivative.expiration_date: Represents RSUs granted on May 23, 2023, under the 2020 Incentive Plan that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual shareholder meeting.

SEC source: 0001415889-23-008754 · form4-05252023_120542.xml · derivative · entry 2

BROSHY ERAN · CIK 0001256230 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,360 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents restricted stock units ("RSUs") granted on July 13, 2022, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted into common shares on the day of the annual meeting of the issuer.

F1 · derivative.exercise_date: Represents restricted stock units ("RSUs") granted on July 13, 2022, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted into common shares on the day of the annual meeting of the issuer.

F1 · derivative.expiration_date: Represents restricted stock units ("RSUs") granted on July 13, 2022, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted into common shares on the day of the annual meeting of the issuer.

SEC source: 0001415889-23-008754 · form4-05252023_120542.xml · nonDerivative · entry 1

BROSHY ERAN · CIK 0001256230 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,360

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents restricted stock units ("RSUs") granted on July 13, 2022, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted into common shares on the day of the annual meeting of the issuer.

SEC source: 0001415889-23-008746 · form4-05252023_120550.xml · derivative · entry 1

Killefer Nancy · CIK 0001584637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,663

Underlying: Common Stock · 8,663 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents restricted stock units ("RSUs") granted on May 23, 2023, under the Certara Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual shareholder meeting.

F1 · derivative.exercise_date: Represents restricted stock units ("RSUs") granted on May 23, 2023, under the Certara Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual shareholder meeting.

F1 · derivative.expiration_date: Represents restricted stock units ("RSUs") granted on May 23, 2023, under the Certara Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual shareholder meeting.

SEC source: 0001415889-23-008277 · form4-05182023_080526.xml · derivative · entry 2

CASHMAN JAMES E III · CIK 0001199440 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,067 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents restricted stock units ("RSUs") granted under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the Issuer's Common Stock per RSU. The RSUs vested and were converted into common shares on the one-year anniversary of the date of grant.

F1 · derivative.exercise_date: Represents restricted stock units ("RSUs") granted under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the Issuer's Common Stock per RSU. The RSUs vested and were converted into common shares on the one-year anniversary of the date of grant.

F1 · derivative.expiration_date: Represents restricted stock units ("RSUs") granted under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the Issuer's Common Stock per RSU. The RSUs vested and were converted into common shares on the one-year anniversary of the date of grant.

SEC source: 0001415889-23-008277 · form4-05182023_080526.xml · nonDerivative · entry 1

CASHMAN JAMES E III · CIK 0001199440 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 447,849

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents restricted stock units ("RSUs") granted under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the Issuer's Common Stock per RSU. The RSUs vested and were converted into common shares on the one-year anniversary of the date of grant.

SEC source: 0001415889-23-008282 · form4-05182023_080510.xml · derivative · entry 2

Killefer Nancy · CIK 0001584637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,067 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents restricted stock units ("RSUs") granted under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the Issuer's Common Stock per RSU. The RSUs vested and were converted into common shares on the one-year anniversary of the date of grant.

F1 · derivative.exercise_date: Represents restricted stock units ("RSUs") granted under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the Issuer's Common Stock per RSU. The RSUs vested and were converted into common shares on the one-year anniversary of the date of grant.

F1 · derivative.expiration_date: Represents restricted stock units ("RSUs") granted under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the Issuer's Common Stock per RSU. The RSUs vested and were converted into common shares on the one-year anniversary of the date of grant.

SEC source: 0001415889-23-008282 · form4-05182023_080510.xml · nonDerivative · entry 1

Killefer Nancy · CIK 0001584637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,498

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents restricted stock units ("RSUs") granted under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the Issuer's Common Stock per RSU. The RSUs vested and were converted into common shares on the one-year anniversary of the date of grant.

SEC source: 0001415889-23-008304 · form4-05192023_120506.xml · derivative · entry 2

Collins Cynthia · CIK 0001405692 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,067 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents restricted stock units ("RSUs") granted under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the Issuer's Common Stock per RSU. The RSUs vested and were converted into common shares on the one-year anniversary of the date of grant.

F1 · derivative.exercise_date: Represents restricted stock units ("RSUs") granted under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the Issuer's Common Stock per RSU. The RSUs vested and were converted into common shares on the one-year anniversary of the date of grant.

F1 · derivative.expiration_date: Represents restricted stock units ("RSUs") granted under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the Issuer's Common Stock per RSU. The RSUs vested and were converted into common shares on the one-year anniversary of the date of grant.

SEC source: 0001415889-23-008304 · form4-05192023_120506.xml · nonDerivative · entry 1

Collins Cynthia · CIK 0001405692 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,498

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents restricted stock units ("RSUs") granted under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the Issuer's Common Stock per RSU. The RSUs vested and were converted into common shares on the one-year anniversary of the date of grant.

SEC source: 0001415889-23-008306 · form4-05192023_120517.xml · derivative · entry 2

WALSH MATTHEW M · CIK 0001269428 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,067 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Represents restricted stock units ("RSUs") granted under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the Issuer's Common Stock per RSU. The RSUs vested and were converted into common shares on the one-year anniversary of the date of grant.

F1 · derivative.exercise_date: Represents restricted stock units ("RSUs") granted under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the Issuer's Common Stock per RSU. The RSUs vested and were converted into common shares on the one-year anniversary of the date of grant.

F1 · derivative.expiration_date: Represents restricted stock units ("RSUs") granted under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the Issuer's Common Stock per RSU. The RSUs vested and were converted into common shares on the one-year anniversary of the date of grant.

SEC source: 0001415889-23-008306 · form4-05192023_120517.xml · nonDerivative · entry 1

WALSH MATTHEW M · CIK 0001269428 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 176,968

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Represents restricted stock units ("RSUs") granted under the Certara, Inc. 2020 Incentive Plan that entitles the reporting person to receive one share of the Issuer's Common Stock per RSU. The RSUs vested and were converted into common shares on the one-year anniversary of the date of grant.

SEC source: 0001415889-23-008001 · form4-05152023_080522.xml · nonDerivative · entry 1

Traynor Richard M. · CIK 0001834465 · SVP AND GENERAL COUNSEL

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 177,368

F1 · kind: 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.

SEC source: 0001415889-23-006570 · form4-04172023_090438.xml · nonDerivative · entry 1

Traynor Richard M. · CIK 0001834465 · SVP AND GENERAL COUNSEL

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 182,368

F1 · kind: 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.

SEC source: 0001415889-23-005810 · form4-04032023_080409.xml · derivative · entry 4

SHERMAN NICOLETTE D · CIK 0001872604 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,684

Underlying: Common Stock · 12,684 shares

Expires 2026-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: 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.

F4 · derivative.exercise_date: 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.

SEC source: 0001415889-23-005797 · form4-04032023_080444.xml · derivative · entry 5

Feehery William F · CIK 0001543193 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,659

Underlying: Common Stock · 99,659 shares

Expires 2026-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: 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.

F5 · derivative.exercise_date: 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.

SEC source: 0001415889-23-005803 · form4-04032023_080430.xml · derivative · entry 5

Pedersen Leif E · CIK 0001559712 · PRESIDENT, SOFTWARE

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,556

Underlying: Common Stock · 23,556 shares

Expires 2026-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: 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.

F5 · derivative.exercise_date: 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.

SEC source: 0001415889-23-005812 · form4-04032023_080447.xml · derivative · entry 2

Gallagher John E · CIK 0001628991 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,326

Underlying: Common Stock · 29,326 shares

Expires 2025-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: 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 two equal installments on April 1, 2024 and April 1, 2025.

F2 · derivative.exercise_date: 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 two equal installments on April 1, 2024 and April 1, 2025.

SEC source: 0001415889-23-005812 · form4-04032023_080447.xml · derivative · entry 1

Gallagher John E · CIK 0001628991 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,898

Underlying: Common Stock · 37,898 shares

Expires 2026-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each RSU was granted on April 1, 2023, 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. The RSUs will vest and settle in three equal installments on April 1, 2024, April 1, 2025, and April 1, 2026.

F1 · derivative.exercise_date: Each RSU was granted on April 1, 2023, 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. The RSUs will vest and settle in three equal installments on April 1, 2024, April 1, 2025, and April 1, 2026.

SEC source: 0001415889-23-005818 · form4-04032023_090452.xml · derivative · entry 4

Virkler Drayton · CIK 0001945604 · PRESIDENT, REG & ACCES

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 23,556

Underlying: Common Stock · 23,556 shares

Expires 2026-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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.

F3 · derivative.exercise_date: 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.

SEC source: 0001415889-23-005808 · form4-04032023_080426.xml · derivative · entry 5

SMITH PATRICK F · CIK 0001890360 · PRESIDENT, INTEGRATED DRUG DEV

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,556

Underlying: Common Stock · 23,556 shares

Expires 2026-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: 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.

F5 · derivative.exercise_date: 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.

SEC source: 0001415889-23-005805 · form4-04032023_080427.xml · derivative · entry 5

Traynor Richard M. · CIK 0001834465 · SVP AND GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,932

Underlying: Common Stock · 19,932 shares

Expires 2026-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: 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.

F5 · derivative.exercise_date: 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.

SEC source: 0001415889-23-005801 · form4-04032023_080407.xml · derivative · entry 5

Aspbury Robert · CIK 0001834221 · PRESIDENT, SIMCYP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,556

Underlying: Common Stock · 23,556 shares

Expires 2026-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: 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.

F5 · derivative.exercise_date: 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.

SEC source: 0001415889-23-005810 · form4-04032023_080409.xml · derivative · entry 3

SHERMAN NICOLETTE D · CIK 0001872604 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,982

Underlying: Common Stock · 3,990 shares

Expires 2025-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on April 1, 2022, under the Certara, Inc. 2020 Incentive Plan ("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.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on April 1, 2022, under the Certara, Inc. 2020 Incentive Plan ("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.

SEC source: 0001415889-23-005810 · form4-04032023_080409.xml · nonDerivative · entry 2

SHERMAN NICOLETTE D · CIK 0001872604 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,547

F3 · shares: Represents RSUs withheld to satisfy the tax withholding obligations in connection with the vesting and settlement of RSUs, exempt under Rule 16b-3.

F2 · balance_after: The total reported in Column 5 includes 6,738 RSUs which was previously reported in Table 1 of Form 4.

SEC source: 0001415889-23-005810 · form4-04032023_080409.xml · nonDerivative · entry 1

SHERMAN NICOLETTE D · CIK 0001872604 · CHIEF HUMAN RESOURCES OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,798

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Each restricted stock unit ("RSU") was granted on April 1, 2022, under the Certara, Inc. 2020 Incentive Plan ("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.

F2 · balance_after: The total reported in Column 5 includes 6,738 RSUs which was previously reported in Table 1 of Form 4.

SEC source: 0001415889-23-005797 · form4-04032023_080444.xml · derivative · entry 4

Feehery William F · CIK 0001543193 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,160

Underlying: Common Stock · 36,580 shares

Expires 2025-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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.

F3 · derivative.exercise_date: 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.

SEC source: 0001415889-23-005797 · form4-04032023_080444.xml · nonDerivative · entry 3

Feehery William F · CIK 0001543193 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,179,742

F4 · shares: Represents RSUs withheld to satisfy the tax withholding obligations in connection with the vesting and settlement of RSUs, exempt under Rule 16b-3.

F2 · balance_after: The total reported in Column 5 includes 30,525 RSUs which was previously reported in Table 1 of Form 4.

SEC source: 0001415889-23-005797 · form4-04032023_080444.xml · nonDerivative · entry 2

Feehery William F · CIK 0001543193 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,195,285

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: 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.

F2 · balance_after: The total reported in Column 5 includes 30,525 RSUs which was previously reported in Table 1 of Form 4.

SEC source: 0001415889-23-005797 · form4-04032023_080444.xml · nonDerivative · entry 1

Feehery William F · CIK 0001543193 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,158,705

F1 · shares: 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.

F2 · balance_after: The total reported in Column 5 includes 30,525 RSUs which was previously reported in Table 1 of Form 4.

SEC source: 0001415889-23-005803 · form4-04032023_080430.xml · derivative · entry 4

Pedersen Leif E · CIK 0001559712 · PRESIDENT, SOFTWARE

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,293

Underlying: Common Stock · 8,646 shares

Expires 2025-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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.

F3 · derivative.exercise_date: 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.

SEC source: 0001415889-23-005803 · form4-04032023_080430.xml · nonDerivative · entry 3

Pedersen Leif E · CIK 0001559712 · PRESIDENT, SOFTWARE

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,107

F4 · shares: Represents RSUs withheld to satisfy the tax withholding obligations in connection with the vesting and settlement of RSUs, exempt under Rule 16b-3.

F2 · balance_after: The total reported in Column 5 includes 7,937 RSUs which was previously reported in Table 1 of Form 4.

SEC source: 0001415889-23-005803 · form4-04032023_080430.xml · nonDerivative · entry 2

Pedersen Leif E · CIK 0001559712 · PRESIDENT, SOFTWARE

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 182,213

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: 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.

F2 · balance_after: The total reported in Column 5 includes 7,937 RSUs which was previously reported in Table 1 of Form 4.

SEC source: 0001415889-23-005803 · form4-04032023_080430.xml · nonDerivative · entry 1

Pedersen Leif E · CIK 0001559712 · PRESIDENT, SOFTWARE

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 173,567

F1 · shares: 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.

F2 · balance_after: The total reported in Column 5 includes 7,937 RSUs which was previously reported in Table 1 of Form 4.

SEC source: 0001415889-23-005818 · form4-04032023_090452.xml · derivative · entry 3

Virkler Drayton · CIK 0001945604 · PRESIDENT, REG & ACCES

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,982

Underlying: Common Stock · 3,990 shares

Expires 2025-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on April 1, 2022, under the Certara, Inc. 2020 Incentive Plan ("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.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on April 1, 2022, under the Certara, Inc. 2020 Incentive Plan ("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.

SEC source: 0001415889-23-005818 · form4-04032023_090452.xml · nonDerivative · entry 2

Virkler Drayton · CIK 0001945604 · PRESIDENT, REG & ACCES

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,415

F2 · shares: Represents RSUs withheld to satisfy the tax withholding obligations in connection with the vesting and settlement of RSUs, exempt under Rule 16b-3.

SEC source: 0001415889-23-005818 · form4-04032023_090452.xml · nonDerivative · entry 1

Virkler Drayton · CIK 0001945604 · PRESIDENT, REG & ACCES

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,581

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Each restricted stock unit ("RSU") was granted on April 1, 2022, under the Certara, Inc. 2020 Incentive Plan ("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.

SEC source: 0001415889-23-005808 · form4-04032023_080426.xml · derivative · entry 4

SMITH PATRICK F · CIK 0001890360 · PRESIDENT, INTEGRATED DRUG DEV

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,293

Underlying: Common Stock · 8,646 shares

Expires 2025-04-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: 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.

F3 · derivative.exercise_date: 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.

SEC source: 0001415889-23-005808 · form4-04032023_080426.xml · nonDerivative · entry 3

SMITH PATRICK F · CIK 0001890360 · PRESIDENT, INTEGRATED DRUG DEV

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,079

F4 · shares: Represents RSUs withheld to satisfy the tax withholding obligations in connection with the vesting and settlement of RSUs, exempt under Rule 16b-3.

F2 · balance_after: The total reported in Column 5 includes 4,884 RSUs which was previously reported in Table 1 of Form 4.

SEC source: 0001415889-23-005808 · form4-04032023_080426.xml · nonDerivative · entry 2

SMITH PATRICK F · CIK 0001890360 · PRESIDENT, INTEGRATED DRUG DEV

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,973

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: 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.

F2 · balance_after: The total reported in Column 5 includes 4,884 RSUs which was previously reported in Table 1 of Form 4.