John E. Gallagher - 11 May 2026 Form 4 Insider Report for Certara, Inc. (CERT)

Role: Chief Financial Officer
Issuer symbol: CERT
Report date: 11 May 2026
Net transaction value: $0
Form type: 4
Accepted by SEC: 13 May 2026, 16:48:05 UTC
Previous filing: 03 Apr 2026
SEC filing: View on sec.gov
Reporting owner signature: /s/ Daniel D. Corcoran, as Attorney-in-Fact for John E. Gallagher

Key filing fact

John E. Gallagher filed Form 4 for Certara, Inc. (CERT) on 13 May 2026.

Key facts

This page summarizes John E. Gallagher's Form 4 filing for Certara, Inc. (CERT).
4 reported transactions and 4 derivative rows are listed below.
Accepted by SEC: 13 May 2026, 16:48.

Change

Previous filing in this sequence was filed on 03 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

See Original Filing

Reporting Owners (1)

CIK 0001628991 Primary reporting owner

Gallagher John E

Relationship: Chief Financial Officer
Address: C/O CERTARA, INC., 4 RADNOR CORPORATE CENTER, SUITE 350, RADNOR
Signature: /s/ Daniel D. Corcoran, as Attorney-in-Fact for John E. Gallagher
Signature date: 13 May 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CERT transaction Derivative

Performance Stock Units

Disposed to Issuer

Transaction value
Shares: -102,522
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 11 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 102,522
Exercise price
Footnotes: F1

CERT transaction Derivative

Performance Stock Units

Award

Transaction value
Shares: +102,522
Change %
Price: $0.000000^*
Shares after: 102,522
Date: 11 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 102,522
Exercise price
Footnotes: F1

CERT transaction Derivative

Restricted Stock Units

Award

Transaction value
Shares: +129,629
Change %
Price: $0.000000^*
Shares after: 129,629
Date: 11 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 129,629
Exercise price
Footnotes: F2

CERT transaction Derivative

Performance Stock Units

Award

Transaction value
Shares: +194,444
Change %
Price: $0.000000^*
Shares after: 194,444
Date: 11 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 194,444
Exercise price
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

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.

Footnote F2

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.

Footnote F3

Each Company PSU was granted on May 11, 2026, pursuant to the terms of the 2026 Long-Term Incentive Plan for Company executives approved by the Compensation Committee of the Company's Board of Directors, 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 based on the Company's performance against certain total shareholder return thresholds through the period ending on March 31, 2029.