CERT

SEC source: 0001834221-26-000003 · form4-04032026_080407.xml · nonDerivative · entry 3

Aspbury Robert · CIK 0001834221 · PRESIDENT, PREDICTIVE TECH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 322,717

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 · 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. One-third of the RSUs vested and were settled on April 1, 2024. One-third of the RSUs vested and were settled on April 1, 2025. The remaining one-third of the RSUs vested and settled on April 1, 2026.

SEC source: 0001834221-26-000003 · form4-04032026_080407.xml · nonDerivative · entry 2

Aspbury Robert · CIK 0001834221 · PRESIDENT, PREDICTIVE TECH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 314,865

F2 · shares: Represents shares of Certara withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units ("RSUs") and PSUs described in footnotes 1, 3, 4, and 5, exempt under Rule 16b-3.

F1 · price: Each performance stock unit ("PSU") was granted on April 1, 2023, under the Certara, Inc. ("Certara") 2020 Incentive Plan (the "2020 Incentive Plan") and represents a right to receive one share of common stock. The PSUs were subject to the achievement of certain performance objectives over a three-year period from January 1, 2023, to December 31, 2025. The PSUs were vested and settled on April 1, 2026.

SEC source: 0001834221-26-000003 · form4-04032026_080407.xml · nonDerivative · entry 1

Aspbury Robert · CIK 0001834221 · PRESIDENT, PREDICTIVE TECH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 321,686

F1 · price: Each performance stock unit ("PSU") was granted on April 1, 2023, under the Certara, Inc. ("Certara") 2020 Incentive Plan (the "2020 Incentive Plan") and represents a right to receive one share of common stock. The PSUs were subject to the achievement of certain performance objectives over a three-year period from January 1, 2023, to December 31, 2025. The PSUs were vested and settled on April 1, 2026.

SEC source: 0002108108-26-000006 · form4-03022026_090330.xml · derivative · entry 1

Bedi Arjun · CIK 0002108108 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,547

Underlying: Common Stock · 5,547 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on February 27, 2026, under the Certara, Inc. 2020 Incentive Plan entitling 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 meeting.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on February 27, 2026, under the Certara, Inc. 2020 Incentive Plan entitling 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 meeting.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on February 27, 2026, under the Certara, Inc. 2020 Incentive Plan entitling 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 meeting.

SEC source: 0001543193-25-000005 · form4-11122025_091151.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,360,769.384

SEC source: 0001415889-25-024287 · form4-09112025_080953.xml · nonDerivative · entry 1

Pedersen Leif E · CIK 0001559712 · PRESIDENT, CHIEF COMMERCAL OFF

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 73,979

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 5, 2025.

F2 · price: This transaction was executed in multiple trades at prices ranging from $10.73 to $11.09. 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.

SEC source: 0001415889-25-015187 · form4-06022025_080608.xml · derivative · entry 6

Corcoran Daniel · CIK 0002025227 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,889

Underlying: Common Stock · 14,888 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.

F3 · derivative.exercise_price: Each RSU was granted on June 1, 2024, under the 2020 Incentive Plan and represents the right to receive one share of common stock or the cash equivalent. Half of the RSUs vested and were settled on May 31, 2025. The remaining RSUs are scheduled to vest and settle on June 1, 2026.

F3 · derivative.expiration_date: Each RSU was granted on June 1, 2024, under the 2020 Incentive Plan and represents the right to receive one share of common stock or the cash equivalent. Half of the RSUs vested and were settled on May 31, 2025. The remaining RSUs are scheduled to vest and settle on June 1, 2026.

SEC source: 0001415889-25-015187 · form4-06022025_080608.xml · derivative · entry 5

Corcoran Daniel · CIK 0002025227 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,882

Underlying: Common Stock · 7,940 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: Each restricted stock unit ("RSU") was granted on June 1, 2024, under the Certara, Inc. ("Certara") 2020 Incentive Plan (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 settled on May 30, 2025. The remaining two-thirds of the RSUs will vest and settle in equal parts on June 1, 2026, and June 1, 2027.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on June 1, 2024, under the Certara, Inc. ("Certara") 2020 Incentive Plan (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 settled on May 30, 2025. The remaining two-thirds of the RSUs will vest and settle in equal parts on June 1, 2026, and June 1, 2027.

SEC source: 0001415889-25-015187 · form4-06022025_080608.xml · nonDerivative · entry 4

Corcoran Daniel · CIK 0002025227 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,221

F2 · shares: Represents shares of Certara withheld to satisfy tax withholding obligations in connection with the vesting of RSUs described in footnotes 1 and 3, exempt under Rule 16b-3.

SEC source: 0001415889-25-015187 · form4-06022025_080608.xml · nonDerivative · entry 3

Corcoran Daniel · CIK 0002025227 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,530

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 · price: Each RSU was granted on June 1, 2024, under the 2020 Incentive Plan and represents the right to receive one share of common stock or the cash equivalent. Half of the RSUs vested and were settled on May 31, 2025. The remaining RSUs are scheduled to vest and settle on June 1, 2026.

SEC source: 0001415889-25-015187 · form4-06022025_080608.xml · nonDerivative · entry 2

Corcoran Daniel · CIK 0002025227 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,642

F2 · shares: Represents shares of Certara withheld to satisfy tax withholding obligations in connection with the vesting of RSUs described in footnotes 1 and 3, exempt under Rule 16b-3.

SEC source: 0001415889-25-015187 · form4-06022025_080608.xml · nonDerivative · entry 1

Corcoran Daniel · CIK 0002025227 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,940

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: Each restricted stock unit ("RSU") was granted on June 1, 2024, under the Certara, Inc. ("Certara") 2020 Incentive Plan (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 settled on May 30, 2025. The remaining two-thirds of the RSUs will vest and settle in equal parts on June 1, 2026, and June 1, 2027.

SEC source: 0001415889-25-015194 · form4-06022025_080633.xml · derivative · entry 3

Anhalt Rona · CIK 0002025139 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,294

Underlying: Common Stock · 7,146 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: Each restricted stock unit ("RSU") was granted on June 1, 2024, under the Certara, Inc. ("Certara") 2020 Incentive Plan (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 settled on May 30, 2025. The remaining two-thirds of the RSUs will vest and settle in equal parts on June 1, 2026, and June 1, 2027.

F1 · price: Each restricted stock unit ("RSU") was granted on June 1, 2024, under the Certara, Inc. ("Certara") 2020 Incentive Plan (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 settled on May 30, 2025. The remaining two-thirds of the RSUs will vest and settle in equal parts on June 1, 2026, and June 1, 2027.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on June 1, 2024, under the Certara, Inc. ("Certara") 2020 Incentive Plan (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 settled on May 30, 2025. The remaining two-thirds of the RSUs will vest and settle in equal parts on June 1, 2026, and June 1, 2027.

SEC source: 0001415889-25-015194 · form4-06022025_080633.xml · nonDerivative · entry 2

Anhalt Rona · CIK 0002025139 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,181

F2 · shares: Represents RSUs of Certara withheld to satisfy tax withholding obligations in connection with the vesting of RSUs described in footnotes 1, exempt under Rule 16b-3.

SEC source: 0001415889-25-015194 · form4-06022025_080633.xml · nonDerivative · entry 1

Anhalt Rona · CIK 0002025139 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,146

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: Each restricted stock unit ("RSU") was granted on June 1, 2024, under the Certara, Inc. ("Certara") 2020 Incentive Plan (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 settled on May 30, 2025. The remaining two-thirds of the RSUs will vest and settle in equal parts on June 1, 2026, and June 1, 2027.

SEC source: 0001415889-25-014192 · form4-05222025_090554.xml · derivative · entry 3

Reynders John V W · CIK 0002039811 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,757

Underlying: Common Stock · 15,757 shares

Expires not disclosed

F2 · derivative.exercise_price: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

F2 · derivative.exercise_date: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

F2 · derivative.expiration_date: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

SEC source: 0001415889-25-014192 · form4-05222025_090554.xml · derivative · entry 2

Reynders John V W · CIK 0002039811 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,709 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: Each restricted stock unit ("RSU") was granted on October 16, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on October 16, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on October 16, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

SEC source: 0001415889-25-014192 · form4-05222025_090554.xml · nonDerivative · entry 1

Reynders John V W · CIK 0002039811 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,709

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: Each restricted stock unit ("RSU") was granted on October 16, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

SEC source: 0001415889-25-014190 · form4-05222025_090517.xml · derivative · entry 3

Crane Rosemary A · CIK 0001443343 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,757

Underlying: Common Stock · 15,757 shares

Expires not disclosed

F2 · derivative.exercise_price: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

F2 · derivative.exercise_date: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

F2 · derivative.expiration_date: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

SEC source: 0001415889-25-014190 · form4-05222025_090517.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 · 11,928 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: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

SEC source: 0001415889-25-014190 · form4-05222025_090517.xml · nonDerivative · entry 1

Crane Rosemary A · CIK 0001443343 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,915

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: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

SEC source: 0001415889-25-014189 · form4-05222025_090546.xml · derivative · entry 3

Collins Cynthia · CIK 0001405692 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,757

Underlying: Common Stock · 15,757 shares

Expires not disclosed

F2 · derivative.exercise_price: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

F2 · derivative.exercise_date: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

F2 · derivative.expiration_date: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

SEC source: 0001415889-25-014189 · form4-05222025_090546.xml · derivative · entry 2

Collins Cynthia · CIK 0001405692 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 11,928 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: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

SEC source: 0001415889-25-014189 · form4-05222025_090546.xml · nonDerivative · entry 1

Collins Cynthia · CIK 0001405692 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,089

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: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

SEC source: 0001415889-25-014194 · form4-05222025_090526.xml · derivative · entry 3

WALSH MATTHEW M · CIK 0001269428 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,757

Underlying: Common Stock · 15,757 shares

Expires not disclosed

F2 · derivative.exercise_price: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

F2 · derivative.exercise_date: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

F2 · derivative.expiration_date: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

SEC source: 0001415889-25-014194 · form4-05222025_090526.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 · 11,928 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: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

SEC source: 0001415889-25-014194 · form4-05222025_090526.xml · nonDerivative · entry 1

WALSH MATTHEW M · CIK 0001269428 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 197,559

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: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

SEC source: 0001415889-25-014187 · form4-05222025_090509.xml · derivative · entry 3

CASHMAN JAMES E III · CIK 0001199440 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,757

Underlying: Common Stock · 15,757 shares

Expires not disclosed

F2 · derivative.exercise_price: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

F2 · derivative.exercise_date: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

F2 · derivative.expiration_date: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

SEC source: 0001415889-25-014187 · form4-05222025_090509.xml · derivative · entry 2

CASHMAN JAMES E III · CIK 0001199440 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 11,928 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: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

SEC source: 0001415889-25-014187 · form4-05222025_090509.xml · nonDerivative · entry 1

CASHMAN JAMES E III · CIK 0001199440 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 468,440

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: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

SEC source: 0001415889-25-014182 · form4-05222025_080532.xml · derivative · entry 3

BROSHY ERAN · CIK 0001256230 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,757

Underlying: Common Stock · 15,757 shares

Expires not disclosed

F2 · derivative.exercise_price: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

F2 · derivative.exercise_date: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

F2 · derivative.expiration_date: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

SEC source: 0001415889-25-014182 · form4-05222025_080532.xml · derivative · entry 2

BROSHY ERAN · CIK 0001256230 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 11,928 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: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

SEC source: 0001415889-25-014182 · form4-05222025_080532.xml · nonDerivative · entry 1

BROSHY ERAN · CIK 0001256230 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,951

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: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

SEC source: 0001415889-25-014191 · form4-05222025_090528.xml · derivative · entry 3

Killefer Nancy · CIK 0001584637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,757

Underlying: Common Stock · 15,757 shares

Expires not disclosed

F2 · derivative.exercise_price: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

F2 · derivative.exercise_date: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

F2 · derivative.expiration_date: Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of 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 meeting.

SEC source: 0001415889-25-014191 · form4-05222025_090528.xml · derivative · entry 2

Killefer Nancy · CIK 0001584637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 11,928 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: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

SEC source: 0001415889-25-014191 · form4-05222025_090528.xml · nonDerivative · entry 1

Killefer Nancy · CIK 0001584637 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,089

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: Each restricted stock unit ("RSU") was granted on May 21, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.

SEC source: 0001415889-25-014164 · form4-05222025_080550.xml · derivative · entry 2

McKemey Adrian · CIK 0002058990 · President, Drug Dev. Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,547

Underlying: Common Stock · 32,547 shares

Expires 2028-04-01

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. The RSUs will vest and settle in three equal installments on April 1, 2026, April 1, 2027, and April 1, 2028.

F2 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. The RSUs will vest and settle in three equal installments on April 1, 2026, April 1, 2027, and April 1, 2028.

SEC source: 0001415889-25-014164 · form4-05222025_080550.xml · derivative · entry 1

McKemey Adrian · CIK 0002058990 · President, Drug Dev. Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,820

Underlying: Common Stock · 48,820 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

F1 · derivative.exercise_date: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

F1 · derivative.expiration_date: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

SEC source: 0001415889-25-014179 · form4-05222025_080515.xml · derivative · entry 2

Corcoran Daniel · CIK 0002025227 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,547

Underlying: Common Stock · 32,547 shares

Expires 2028-04-01

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. The RSUs will vest and settle in three equal installments on April 1, 2026, April 1, 2027, and April 1, 2028.

F2 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. The RSUs will vest and settle in three equal installments on April 1, 2026, April 1, 2027, and April 1, 2028.

SEC source: 0001415889-25-014179 · form4-05222025_080515.xml · derivative · entry 1

Corcoran Daniel · CIK 0002025227 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,820

Underlying: Common Stock · 48,820 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

F1 · derivative.exercise_date: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

F1 · derivative.expiration_date: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

SEC source: 0001415889-25-014180 · form4-05222025_080556.xml · derivative · entry 2

Anhalt Rona · CIK 0002025139 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,292

Underlying: Common Stock · 29,292 shares

Expires 2028-04-01

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. The RSUs will vest and settle in three equal installments on April 1, 2026, April 1, 2027, and April 1, 2028.

F2 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. The RSUs will vest and settle in three equal installments on April 1, 2026, April 1, 2027, and April 1, 2028.

SEC source: 0001415889-25-014180 · form4-05222025_080556.xml · derivative · entry 1

Anhalt Rona · CIK 0002025139 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,938

Underlying: Common Stock · 43,938 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

F1 · derivative.exercise_date: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

F1 · derivative.expiration_date: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

SEC source: 0001415889-25-014159 · form4-05222025_080541.xml · derivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 187,144

Underlying: Common Stock · 187,144 shares

Expires 2028-04-01

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. The RSUs will vest and settle in three equal installments on April 1, 2026, April 1, 2027, and April 1, 2028.

F2 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. The RSUs will vest and settle in three equal installments on April 1, 2026, April 1, 2027, and April 1, 2028.

SEC source: 0001415889-25-014159 · form4-05222025_080541.xml · derivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 280,716

Underlying: Common Stock · 280,716 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

F1 · derivative.exercise_date: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

F1 · derivative.expiration_date: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

SEC source: 0001415889-25-014176 · form4-05222025_080548.xml · derivative · entry 2

Pedersen Leif E · CIK 0001559712 · PRESIDENT, CHIEF COMMERCAL OFF

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,566

Underlying: Common Stock · 45,566 shares

Expires 2028-04-01

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. The RSUs will vest and settle in three equal installments on April 1, 2026, April 1, 2027, and April 1, 2028.

F2 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. The RSUs will vest and settle in three equal installments on April 1, 2026, April 1, 2027, and April 1, 2028.

SEC source: 0001415889-25-014176 · form4-05222025_080548.xml · derivative · entry 1

Pedersen Leif E · CIK 0001559712 · PRESIDENT, CHIEF COMMERCAL OFF

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,348

Underlying: Common Stock · 68,348 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

F1 · derivative.exercise_date: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

F1 · derivative.expiration_date: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

SEC source: 0001415889-25-014162 · form4-05222025_080504.xml · derivative · entry 2

Gallagher John E · CIK 0001628991 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,348

Underlying: Common Stock · 68,348 shares

Expires 2028-04-01

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. The RSUs will vest and settle in three equal installments on April 1, 2026, April 1, 2027, and April 1, 2028.

F2 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. The RSUs will vest and settle in three equal installments on April 1, 2026, April 1, 2027, and April 1, 2028.

SEC source: 0001415889-25-014162 · form4-05222025_080504.xml · derivative · entry 1

Gallagher John E · CIK 0001628991 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,522

Underlying: Common Stock · 102,522 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

F1 · derivative.exercise_date: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

F1 · derivative.expiration_date: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

SEC source: 0001415889-25-014160 · form4-05222025_080538.xml · derivative · entry 2

Aspbury Robert · CIK 0001834221 · PRESIDENT, PREDICTIVE TECH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,566

Underlying: Common Stock · 45,566 shares

Expires 2028-04-01

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. The RSUs will vest and settle in three equal installments on April 1, 2026, April 1, 2027, and April 1, 2028.

F2 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. The RSUs will vest and settle in three equal installments on April 1, 2026, April 1, 2027, and April 1, 2028.

SEC source: 0001415889-25-014160 · form4-05222025_080538.xml · derivative · entry 1

Aspbury Robert · CIK 0001834221 · PRESIDENT, PREDICTIVE TECH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,348

Underlying: Common Stock · 68,348 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

F1 · derivative.exercise_date: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.

F1 · derivative.expiration_date: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 20, 2025, pursuant to the terms of the 2025 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, under the Certara 2020 Incentive Plan (the "2020 Incentive Plan"). Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2028.