Tapewire

Nasdaq · USD

CERT

Certara, Inc.

Export transactions ↓
Tapewire entity
787
SEC CIK
0001827090
Parsed reports
272

Last 12 months

Inside the activity.

1 purchase rows · 0 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202510
Dec 202500
Jan 202600
Feb 202600
Mar 202600
Apr 202600
May 202600
Jun 202600
Jul 202600
Aug 202600
Sep 202600
Oct 202600

Latest available

Insider transactions

JSON API
Reset

Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
May 11, 2026 Filed May 13, 2026 20:59 UTC
Aspbury RobertPRESIDENT, PREDICTIVE TECH
GrantRestricted Stock Units · Derivative 86,419 $0.00 $0.00
Disclosure

SEC source: 0001834221-26-000006 · form4-05132026_080506.xml · derivative · entry 3

Aspbury Robert · CIK 0001834221 · PRESIDENT, PREDICTIVE TECH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,419

Underlying: Common Stock · 86,419 shares

Expires 2029-04-01

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on May 11, 2026, 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, 2027, April 1, 2028, and April 1, 2029.

F2 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 11, 2026, 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, 2027, April 1, 2028, and April 1, 2029.

Read SEC document
May 11, 2026 Filed May 13, 2026 20:59 UTC
Aspbury RobertPRESIDENT, PREDICTIVE TECH
GrantPerformance Stock Units · Derivative 68,348 $0.00 $0.00
Disclosure

SEC source: 0001834221-26-000006 · form4-05132026_080506.xml · derivative · entry 2

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: Reflects the amendment to Certara, Inc. ("Company") performance stock units ("PSUs") originally 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 amended 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 amended total shareholder return thresholds through the period ending on March 31, 2028. The amendment to the PSUs may be deemed to be a cancellation of the "old" PSUs and an acquisition of the "new" PSUs.

F1 · derivative.exercise_date: Reflects the amendment to Certara, Inc. ("Company") performance stock units ("PSUs") originally 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 amended 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 amended total shareholder return thresholds through the period ending on March 31, 2028. The amendment to the PSUs may be deemed to be a cancellation of the "old" PSUs and an acquisition of the "new" PSUs.

F1 · derivative.expiration_date: Reflects the amendment to Certara, Inc. ("Company") performance stock units ("PSUs") originally 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 amended 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 amended total shareholder return thresholds through the period ending on March 31, 2028. The amendment to the PSUs may be deemed to be a cancellation of the "old" PSUs and an acquisition of the "new" PSUs.

Read SEC document
May 11, 2026 Filed May 13, 2026 20:59 UTC
Aspbury RobertPRESIDENT, PREDICTIVE TECH
Disposition to issuerPerformance Stock Units · Derivative 68,348 $0.00 $0.00
Disclosure

SEC source: 0001834221-26-000006 · form4-05132026_080506.xml · derivative · entry 1

Aspbury Robert · CIK 0001834221 · PRESIDENT, PREDICTIVE TECH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 68,348 shares

Expires not disclosed

F1 · derivative.exercise_price: Reflects the amendment to Certara, Inc. ("Company") performance stock units ("PSUs") originally 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 amended 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 amended total shareholder return thresholds through the period ending on March 31, 2028. The amendment to the PSUs may be deemed to be a cancellation of the "old" PSUs and an acquisition of the "new" PSUs.

F1 · derivative.exercise_date: Reflects the amendment to Certara, Inc. ("Company") performance stock units ("PSUs") originally 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 amended 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 amended total shareholder return thresholds through the period ending on March 31, 2028. The amendment to the PSUs may be deemed to be a cancellation of the "old" PSUs and an acquisition of the "new" PSUs.

F1 · derivative.expiration_date: Reflects the amendment to Certara, Inc. ("Company") performance stock units ("PSUs") originally 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 amended 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 amended total shareholder return thresholds through the period ending on March 31, 2028. The amendment to the PSUs may be deemed to be a cancellation of the "old" PSUs and an acquisition of the "new" PSUs.

Read SEC document
May 11, 2026 Filed May 13, 2026 20:53 UTC
Resnick Jon MatthewDirector · Chief Executive Officer
Exercise / conversionRestricted Stock Units · Derivative 59,766 $0.00 $0.00
Disclosure

SEC source: 0002104700-26-000006 · form4-05132026_080516.xml · derivative · entry 8

Resnick Jon Matthew · CIK 0002104700 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119,533

Underlying: Common Stock · 59,766 shares

Expires 2028-04-01

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 May 11 2026, pursuant to the terms of Mr. Resnick's employment agreement, under the 2020 Incentive Plan and represents a right to receive one share of common stock. One-third of the RSUs vested and settled on May 11, 2026. The remaining two-thirds of the RSUs will vest and settle on April 1, 2027, and April 1, 2028.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 11 2026, pursuant to the terms of Mr. Resnick's employment agreement, under the 2020 Incentive Plan and represents a right to receive one share of common stock. One-third of the RSUs vested and settled on May 11, 2026. The remaining two-thirds of the RSUs will vest and settle on April 1, 2027, and April 1, 2028.

Read SEC document
May 11, 2026 Filed May 13, 2026 20:53 UTC
Resnick Jon MatthewDirector · Chief Executive Officer
GrantRestricted Stock Units · Derivative 728,405 $0.00 $0.00
Disclosure

SEC source: 0002104700-26-000006 · form4-05132026_080516.xml · derivative · entry 7

Resnick Jon Matthew · CIK 0002104700 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 728,405

Underlying: Common Stock · 728,405 shares

Expires 2028-01-01

F6 · derivative.exercise_price: Each RSU was granted on May 11, 2026, pursuant to the terms of Mr. Resnick's employment agreement, under the 2020 Incentive Plan and represents a right to receive one share of common stock. The RSUs will vest and settle in two equal installments on January 1, 2027, and January 1, 2028.

F6 · derivative.exercise_date: Each RSU was granted on May 11, 2026, pursuant to the terms of Mr. Resnick's employment agreement, under the 2020 Incentive Plan and represents a right to receive one share of common stock. The RSUs will vest and settle in two equal installments on January 1, 2027, and January 1, 2028.

Read SEC document
May 11, 2026 Filed May 13, 2026 20:53 UTC
Resnick Jon MatthewDirector · Chief Executive Officer
GrantRestricted Stock Units · Derivative 493,827 $0.00 $0.00
Disclosure

SEC source: 0002104700-26-000006 · form4-05132026_080516.xml · derivative · entry 6

Resnick Jon Matthew · CIK 0002104700 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 493,827

Underlying: Common Stock · 493,827 shares

Expires 2029-04-01

F5 · derivative.exercise_price: Each RSU was granted on May 11, 2026, pursuant to the terms of Mr. Resnick's employment agreement, under the 2020 Incentive Plan and represents a right to receive one share of common stock. The RSUs will vest and settle in three equal installments on April 1, 2027, April 1, 2028, and April 1, 2029.

F5 · derivative.exercise_date: Each RSU was granted on May 11, 2026, pursuant to the terms of Mr. Resnick's employment agreement, under the 2020 Incentive Plan and represents a right to receive one share of common stock. The RSUs will vest and settle in three equal installments on April 1, 2027, April 1, 2028, and April 1, 2029.

Read SEC document
May 11, 2026 Filed May 13, 2026 20:53 UTC
Resnick Jon MatthewDirector · Chief Executive Officer
GrantRestricted Stock Units · Derivative 179,299 $0.00 $0.00
Disclosure

SEC source: 0002104700-26-000006 · form4-05132026_080516.xml · derivative · entry 5

Resnick Jon Matthew · CIK 0002104700 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 179,299

Underlying: Common Stock · 179,299 shares

Expires 2028-04-01

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") was granted on May 11 2026, pursuant to the terms of Mr. Resnick's employment agreement, under the 2020 Incentive Plan and represents a right to receive one share of common stock. One-third of the RSUs vested and settled on May 11, 2026. The remaining two-thirds of the RSUs will vest and settle on April 1, 2027, and April 1, 2028.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 11 2026, pursuant to the terms of Mr. Resnick's employment agreement, under the 2020 Incentive Plan and represents a right to receive one share of common stock. One-third of the RSUs vested and settled on May 11, 2026. The remaining two-thirds of the RSUs will vest and settle on April 1, 2027, and April 1, 2028.

Read SEC document
May 11, 2026 Filed May 13, 2026 20:53 UTC
Resnick Jon MatthewDirector · Chief Executive Officer
GrantPerformance Stock Units · Derivative 740,740 $0.00 $0.00
Disclosure

SEC source: 0002104700-26-000006 · form4-05132026_080516.xml · derivative · entry 4

Resnick Jon Matthew · CIK 0002104700 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 740,740

Underlying: Common Stock · 740,740 shares

Expires not disclosed

F4 · derivative.exercise_price: Each PSU was granted on May 11, 2026, pursuant to the terms of Mr. Resnick's employment agreement, under the 2020 Incentive Plan. Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported if the Company's stock price achieves certain thresholds prior to the end of the period ending on March 31, 2029 (2026 LTI).

F4 · derivative.exercise_date: Each PSU was granted on May 11, 2026, pursuant to the terms of Mr. Resnick's employment agreement, under the 2020 Incentive Plan. Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported if the Company's stock price achieves certain thresholds prior to the end of the period ending on March 31, 2029 (2026 LTI).

F4 · derivative.expiration_date: Each PSU was granted on May 11, 2026, pursuant to the terms of Mr. Resnick's employment agreement, under the 2020 Incentive Plan. Each PSU represents a conditional right to receive one share of Company common stock. The reporting person will be entitled to receive a number of shares between 0% and 200% of the target amount reported if the Company's stock price achieves certain thresholds prior to the end of the period ending on March 31, 2029 (2026 LTI).

Read SEC document
May 11, 2026 Filed May 13, 2026 20:53 UTC
Resnick Jon MatthewDirector · Chief Executive Officer
GrantPerformance Stock Units · Derivative 268,949 $0.00 $0.00
Disclosure

SEC source: 0002104700-26-000006 · form4-05132026_080516.xml · derivative · entry 3

Resnick Jon Matthew · CIK 0002104700 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 268,949

Underlying: Common Stock · 268,949 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 11, 2026, pursuant to the terms of Mr. Resnick's employment agreement, 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 if the Company's stock price achieves certain thresholds prior to the end of the period ending on April 1, 2028 (2025 LTI).

F3 · derivative.exercise_date: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 11, 2026, pursuant to the terms of Mr. Resnick's employment agreement, 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 if the Company's stock price achieves certain thresholds prior to the end of the period ending on April 1, 2028 (2025 LTI).

F3 · derivative.expiration_date: Each Certara, Inc. ("Company") performance stock unit ("PSU") was granted on May 11, 2026, pursuant to the terms of Mr. Resnick's employment agreement, 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 if the Company's stock price achieves certain thresholds prior to the end of the period ending on April 1, 2028 (2025 LTI).

Read SEC document
May 11, 2026 Filed May 13, 2026 20:53 UTC
Resnick Jon MatthewDirector · Chief Executive Officer
Tax withholdingCommon Stock 24,377 $6.31 $153,818.87
Disclosure

SEC source: 0002104700-26-000006 · form4-05132026_080516.xml · nonDerivative · entry 2

Resnick Jon Matthew · CIK 0002104700 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,389

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.

Read SEC document
May 11, 2026 Filed May 13, 2026 20:53 UTC
Resnick Jon MatthewDirector · Chief Executive Officer
Exercise / conversionCommon Stock 59,766 $0.00 $0.00
Disclosure

SEC source: 0002104700-26-000006 · form4-05132026_080516.xml · nonDerivative · entry 1

Resnick Jon Matthew · CIK 0002104700 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,766

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 11 2026, pursuant to the terms of Mr. Resnick's employment agreement, under the 2020 Incentive Plan and represents a right to receive one share of common stock. One-third of the RSUs vested and settled on May 11, 2026. The remaining two-thirds of the RSUs will vest and settle on April 1, 2027, and April 1, 2028.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:10 UTC
McKemey AdrianPresident, Drug Dev. Solutions
Exercise / conversionRestricted Stock Units · Derivative 10,849 $0.00 $0.00
Disclosure

SEC source: 0002058990-26-000003 · form4-04032026_080420.xml · derivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,698

Underlying: Common Stock · 10,849 shares

Expires 2028-04-01

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 May 20, 2025, under the Certara, Inc. ("Certara") 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, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the Certara, Inc. ("Certara") 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, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:10 UTC
McKemey AdrianPresident, Drug Dev. Solutions
Tax withholdingCommon Stock 2,642 $5.70 $15,059.40
Disclosure

SEC source: 0002058990-26-000003 · form4-04032026_080420.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,207

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

F1 · price: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the Certara, Inc. ("Certara") 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, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:10 UTC
McKemey AdrianPresident, Drug Dev. Solutions
Exercise / conversionCommon Stock 10,849 $0.00 $0.00
Disclosure

SEC source: 0002058990-26-000003 · form4-04032026_080420.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,849

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: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the Certara, Inc. ("Certara") 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, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:09 UTC
Corcoran DanielSVP and General Counsel
Exercise / conversionRestricted Stock Units · Derivative 10,849 $0.00 $0.00
Disclosure

SEC source: 0002025227-26-000003 · form4-04032026_080459.xml · derivative · entry 3

Corcoran Daniel · CIK 0002025227 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,698

Underlying: Common Stock · 10,849 shares

Expires 2028-04-01

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 May 20, 2025, under the Certara, Inc. ("Certara") 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, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the Certara, Inc. ("Certara") 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, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:09 UTC
Corcoran DanielSVP and General Counsel
Tax withholdingCommon Stock 5,751 $5.70 $32,780.70
Disclosure

SEC source: 0002025227-26-000003 · form4-04032026_080459.xml · nonDerivative · entry 2

Corcoran Daniel · CIK 0002025227 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,319

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

F1 · price: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the Certara, Inc. ("Certara") 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, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:09 UTC
Corcoran DanielSVP and General Counsel
Exercise / conversionCommon Stock 10,849 $0.00 $0.00
Disclosure

SEC source: 0002025227-26-000003 · form4-04032026_080459.xml · nonDerivative · entry 1

Corcoran Daniel · CIK 0002025227 · SVP and General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,070

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 20, 2025, under the Certara, Inc. ("Certara") 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, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:04 UTC
Anhalt RonaChief Human Resources Officer
Exercise / conversionRestricted Stock Units · Derivative 9,764 $0.00 $0.00
Disclosure

SEC source: 0002025139-26-000003 · form4-04032026_080453.xml · derivative · entry 3

Anhalt Rona · CIK 0002025139 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,528

Underlying: Common Stock · 9,764 shares

Expires 2028-04-01

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 May 20, 2025, under the Certara, Inc. ("Certara") 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, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") was granted on May 20, 2025, under the Certara, Inc. ("Certara") 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, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:04 UTC
Anhalt RonaChief Human Resources Officer
Tax withholdingCommon Stock 3,062 $5.70 $17,453.40
Disclosure

SEC source: 0002025139-26-000003 · form4-04032026_080453.xml · nonDerivative · entry 2

Anhalt Rona · CIK 0002025139 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,883

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

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:04 UTC
Anhalt RonaChief Human Resources Officer
Exercise / conversionCommon Stock 9,764 $0.00 $0.00
Disclosure

SEC source: 0002025139-26-000003 · form4-04032026_080453.xml · nonDerivative · entry 1

Anhalt Rona · CIK 0002025139 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,945

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 20, 2025, under the Certara, Inc. ("Certara") 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, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:11 UTC
Pedersen Leif EPRESIDENT, CHIEF COMMERCAL OFF
Exercise / conversionRestricted Stock Units · Derivative 15,188 $0.00 $0.00
Disclosure

SEC source: 0001559712-26-000003 · form4-04032026_080450.xml · derivative · entry 11

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,378

Underlying: Common Stock · 15,188 shares

Expires 2028-04-01

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 restricted stock unit 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. One-third of the RSUs vested and were settled on April 1, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 an April 1, 2028.

F5 · derivative.exercise_date: Each restricted stock unit 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. One-third of the RSUs vested and were settled on April 1, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 an April 1, 2028.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:11 UTC
Pedersen Leif EPRESIDENT, CHIEF COMMERCAL OFF
Exercise / conversionRestricted Stock Units · Derivative 10,127 $0.00 $0.00
Disclosure

SEC source: 0001559712-26-000003 · form4-04032026_080450.xml · derivative · entry 10

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,127

Underlying: Common Stock · 10,127 shares

Expires 2027-04-01

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, 2024, 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, 2025. One-third of the RSUs vested and were settled on April 1, 2026. The remaining one-third of the RSUs will vest and settle on April 1, 2027.

F4 · derivative.exercise_date: Each RSU was granted on April 1, 2024, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2025. One-third of the RSUs vested and were settled on April 1, 2026. The remaining one-third of the RSUs will vest and settle on April 1, 2027.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:11 UTC
Pedersen Leif EPRESIDENT, CHIEF COMMERCAL OFF
Exercise / conversionRestricted Stock Units · Derivative 7,852 $0.00 $0.00
Disclosure

SEC source: 0001559712-26-000003 · form4-04032026_080450.xml · derivative · entry 9

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,852 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. 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.

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. 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.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:11 UTC
Pedersen Leif EPRESIDENT, CHIEF COMMERCAL OFF
Tax withholdingCommon Stock 3,699 $5.70 $21,084.30
Disclosure

SEC source: 0001559712-26-000003 · form4-04032026_080450.xml · nonDerivative · entry 8

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 110,045

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.

F5 · price: Each restricted stock unit 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. One-third of the RSUs vested and were settled on April 1, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 an April 1, 2028.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:11 UTC
Pedersen Leif EPRESIDENT, CHIEF COMMERCAL OFF
Exercise / conversionCommon Stock 15,188 $0.00 $0.00
Disclosure

SEC source: 0001559712-26-000003 · form4-04032026_080450.xml · nonDerivative · entry 7

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 113,744

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 · price: Each restricted stock unit 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. One-third of the RSUs vested and were settled on April 1, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 an April 1, 2028.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:11 UTC
Pedersen Leif EPRESIDENT, CHIEF COMMERCAL OFF
Tax withholdingCommon Stock 2,466 $5.70 $14,056.20
Disclosure

SEC source: 0001559712-26-000003 · form4-04032026_080450.xml · nonDerivative · entry 6

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,556

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.

F4 · price: Each RSU was granted on April 1, 2024, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2025. One-third of the RSUs vested and were settled on April 1, 2026. The remaining one-third of the RSUs will vest and settle on April 1, 2027.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:11 UTC
Pedersen Leif EPRESIDENT, CHIEF COMMERCAL OFF
Exercise / conversionCommon Stock 10,127 $0.00 $0.00
Disclosure

SEC source: 0001559712-26-000003 · form4-04032026_080450.xml · nonDerivative · entry 5

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,022

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 · price: Each RSU was granted on April 1, 2024, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2025. One-third of the RSUs vested and were settled on April 1, 2026. The remaining one-third of the RSUs will vest and settle on April 1, 2027.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:11 UTC
Pedersen Leif EPRESIDENT, CHIEF COMMERCAL OFF
Tax withholdingCommon Stock 1,912 $5.70 $10,898.40
Disclosure

SEC source: 0001559712-26-000003 · form4-04032026_080450.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,895

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.

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.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:11 UTC
Pedersen Leif EPRESIDENT, CHIEF COMMERCAL OFF
Exercise / conversionCommon Stock 7,852 $0.00 $0.00
Disclosure

SEC source: 0001559712-26-000003 · form4-04032026_080450.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,807

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.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:11 UTC
Pedersen Leif EPRESIDENT, CHIEF COMMERCAL OFF
Tax withholdingCommon Stock 3,534 $5.70 $20,143.80
Disclosure

SEC source: 0001559712-26-000003 · form4-04032026_080450.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,955

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.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:11 UTC
Pedersen Leif EPRESIDENT, CHIEF COMMERCAL OFF
GrantCommon Stock 14,510 $0.00 $0.00
Disclosure

SEC source: 0001559712-26-000003 · form4-04032026_080450.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,489

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.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:07 UTC
Gallagher John EChief Financial Officer
Exercise / conversionRestricted Stock Units · Derivative 22,782 $0.00 $0.00
Disclosure

SEC source: 0001628991-26-000003 · form4-04032026_080425.xml · derivative · entry 11

Gallagher John E · CIK 0001628991 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,566

Underlying: Common Stock · 22,782 shares

Expires 2028-04-01

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 May 20, 2025, 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, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

F5 · derivative.exercise_date: Each 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. One-third of the RSUs vested and were settled on April 1, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:07 UTC
Gallagher John EChief Financial Officer
Exercise / conversionRestricted Stock Units · Derivative 15,190 $0.00 $0.00
Disclosure

SEC source: 0001628991-26-000003 · form4-04032026_080425.xml · derivative · entry 10

Gallagher John E · CIK 0001628991 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,191

Underlying: Common Stock · 15,190 shares

Expires 2027-04-01

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, 2024, 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, 2025. One-third of the RSUs vested and were settled on April 1, 2026. The remaining one-third of the RSUs will vest and settle on April 1, 2027.

F4 · derivative.exercise_date: Each RSU was granted on April 1, 2024, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2025. One-third of the RSUs vested and were settled on April 1, 2026. The remaining one-third of the RSUs will vest and settle on April 1, 2027.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:07 UTC
Gallagher John EChief Financial Officer
Exercise / conversionRestricted Stock Units · Derivative 12,633 $0.00 $0.00
Disclosure

SEC source: 0001628991-26-000003 · form4-04032026_080425.xml · derivative · entry 9

Gallagher John E · CIK 0001628991 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 12,633 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. 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.

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. 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.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:07 UTC
Gallagher John EChief Financial Officer
Tax withholdingCommon Stock 7,803 $5.70 $44,477.10
Disclosure

SEC source: 0001628991-26-000003 · form4-04032026_080425.xml · nonDerivative · entry 8

Gallagher John E · CIK 0001628991 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,371

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.

F5 · price: Each 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. One-third of the RSUs vested and were settled on April 1, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:07 UTC
Gallagher John EChief Financial Officer
Exercise / conversionCommon Stock 22,782 $0.00 $0.00
Disclosure

SEC source: 0001628991-26-000003 · form4-04032026_080425.xml · nonDerivative · entry 7

Gallagher John E · CIK 0001628991 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,174

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 · price: Each 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. One-third of the RSUs vested and were settled on April 1, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:07 UTC
Gallagher John EChief Financial Officer
Tax withholdingCommon Stock 5,203 $5.70 $29,657.10
Disclosure

SEC source: 0001628991-26-000003 · form4-04032026_080425.xml · nonDerivative · entry 6

Gallagher John E · CIK 0001628991 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,392

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.

F4 · price: Each RSU was granted on April 1, 2024, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2025. One-third of the RSUs vested and were settled on April 1, 2026. The remaining one-third of the RSUs will vest and settle on April 1, 2027.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:07 UTC
Gallagher John EChief Financial Officer
Exercise / conversionCommon Stock 15,190 $0.00 $0.00
Disclosure

SEC source: 0001628991-26-000003 · form4-04032026_080425.xml · nonDerivative · entry 5

Gallagher John E · CIK 0001628991 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,595

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 · price: Each RSU was granted on April 1, 2024, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2025. One-third of the RSUs vested and were settled on April 1, 2026. The remaining one-third of the RSUs will vest and settle on April 1, 2027.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:07 UTC
Gallagher John EChief Financial Officer
Tax withholdingCommon Stock 4,327 $0.00 $0.00
Disclosure

SEC source: 0001628991-26-000003 · form4-04032026_080425.xml · nonDerivative · entry 4

Gallagher John E · CIK 0001628991 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,405

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.

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.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:07 UTC
Gallagher John EChief Financial Officer
Exercise / conversionCommon Stock 12,633 $0.00 $0.00
Disclosure

SEC source: 0001628991-26-000003 · form4-04032026_080425.xml · nonDerivative · entry 3

Gallagher John E · CIK 0001628991 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 74,732

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.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:07 UTC
Gallagher John EChief Financial Officer
Tax withholdingCommon Stock 7,775 $5.70 $44,317.50
Disclosure

SEC source: 0001628991-26-000003 · form4-04032026_080425.xml · nonDerivative · entry 2

Gallagher John E · CIK 0001628991 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,099

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.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:07 UTC
Gallagher John EChief Financial Officer
GrantCommon Stock 23,346 $0.00 $0.00
Disclosure

SEC source: 0001628991-26-000003 · form4-04032026_080425.xml · nonDerivative · entry 1

Gallagher John E · CIK 0001628991 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,874

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.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:06 UTC
Aspbury RobertPRESIDENT, PREDICTIVE TECH
Exercise / conversionRestricted Stock Units · Derivative 15,188 $0.00 $0.00
Disclosure

SEC source: 0001834221-26-000003 · form4-04032026_080407.xml · derivative · entry 11

Aspbury Robert · CIK 0001834221 · PRESIDENT, PREDICTIVE TECH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,378

Underlying: Common Stock · 15,188 shares

Expires 2028-04-01

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 restricted stock unit 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. One-third of the RSUs vested and were settled on April 1, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

F5 · derivative.exercise_date: Each restricted stock unit 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. One-third of the RSUs vested and were settled on April 1, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:06 UTC
Aspbury RobertPRESIDENT, PREDICTIVE TECH
Exercise / conversionRestricted Stock Units · Derivative 10,127 $0.00 $0.00
Disclosure

SEC source: 0001834221-26-000003 · form4-04032026_080407.xml · derivative · entry 10

Aspbury Robert · CIK 0001834221 · PRESIDENT, PREDICTIVE TECH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,127

Underlying: Common Stock · 10,127 shares

Expires 2027-04-01

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, 2024, 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, 2025. One-third of the RSUs vested and were settled on April 1, 2026. The remaining one-third of the RSUs will vest and settle on April 1, 2027.

F4 · derivative.exercise_date: Each RSU was granted on April 1, 2024, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2025. One-third of the RSUs vested and were settled on April 1, 2026. The remaining one-third of the RSUs will vest and settle on April 1, 2027.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:06 UTC
Aspbury RobertPRESIDENT, PREDICTIVE TECH
Exercise / conversionRestricted Stock Units · Derivative 7,852 $0.00 $0.00
Disclosure

SEC source: 0001834221-26-000003 · form4-04032026_080407.xml · derivative · entry 9

Aspbury Robert · CIK 0001834221 · PRESIDENT, PREDICTIVE TECH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,852 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. 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.

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. 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.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:06 UTC
Aspbury RobertPRESIDENT, PREDICTIVE TECH
Tax withholdingCommon Stock 7,139 $5.70 $40,692.30
Disclosure

SEC source: 0001834221-26-000003 · form4-04032026_080407.xml · nonDerivative · entry 8

Aspbury Robert · CIK 0001834221 · PRESIDENT, PREDICTIVE TECH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 332,442

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.

F5 · price: Each restricted stock unit 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. One-third of the RSUs vested and were settled on April 1, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:06 UTC
Aspbury RobertPRESIDENT, PREDICTIVE TECH
Exercise / conversionCommon Stock 15,188 $0.00 $0.00
Disclosure

SEC source: 0001834221-26-000003 · form4-04032026_080407.xml · nonDerivative · entry 7

Aspbury Robert · CIK 0001834221 · PRESIDENT, PREDICTIVE TECH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 339,581

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.

F5 · shares: Each restricted stock unit 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. One-third of the RSUs vested and were settled on April 1, 2026. The remaining two-thirds of the RSUs will vest and settle in equal parts on April 1, 2027 and April 1, 2028.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:06 UTC
Aspbury RobertPRESIDENT, PREDICTIVE TECH
Tax withholdingCommon Stock 4,760 $5.70 $27,132.00
Disclosure

SEC source: 0001834221-26-000003 · form4-04032026_080407.xml · nonDerivative · entry 6

Aspbury Robert · CIK 0001834221 · PRESIDENT, PREDICTIVE TECH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 324,393

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.

F4 · price: Each RSU was granted on April 1, 2024, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2025. One-third of the RSUs vested and were settled on April 1, 2026. The remaining one-third of the RSUs will vest and settle on April 1, 2027.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:06 UTC
Aspbury RobertPRESIDENT, PREDICTIVE TECH
Exercise / conversionCommon Stock 10,127 $0.00 $0.00
Disclosure

SEC source: 0001834221-26-000003 · form4-04032026_080407.xml · nonDerivative · entry 5

Aspbury Robert · CIK 0001834221 · PRESIDENT, PREDICTIVE TECH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 329,153

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 · price: Each RSU was granted on April 1, 2024, under the 2020 Incentive Plan and represents a right to receive one share of common stock or the cash equivalent. One-third of the RSUs vested and were settled on April 1, 2025. One-third of the RSUs vested and were settled on April 1, 2026. The remaining one-third of the RSUs will vest and settle on April 1, 2027.

Read SEC document
April 01, 2026 Filed Apr 3, 2026 20:06 UTC
Aspbury RobertPRESIDENT, PREDICTIVE TECH
Tax withholdingCommon Stock 3,691 $5.70 $21,038.70
Disclosure

SEC source: 0001834221-26-000003 · form4-04032026_080407.xml · nonDerivative · entry 4

Aspbury Robert · CIK 0001834221 · PRESIDENT, PREDICTIVE TECH

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 319,026

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.

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.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.