Adrian McKemey - 01 Apr 2026 Form 4 Insider Report for Certara, Inc. (CERT)

Reporting relationship: President, Drug Dev. Solutions
Issuer ticker: CERT
Reported as of: 01 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Apr 2026, 16:10:24 UTC
Prior SEC filing: 22 May 2025
Source filing: View source filing
Reporting owner signature: /s/ Daniel Corcoran, as Attorney-in-Fact for Adrian McKemey

Key filing fact

Adrian McKemey filed Form 4 for Certara, Inc. (CERT) on 03 Apr 2026.

Key facts

This page summarizes Adrian McKemey's Form 4 filing for Certara, Inc. (CERT).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 03 Apr 2026, 16:10.

Change

Previous filing in this sequence was filed on 22 May 2025.
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.

View source filing

Reporting Owners (1)

CIK 0002058990 Primary reporting owner

McKemey Adrian

Relationship: President, Drug Dev. Solutions
Address: C/O CERTARA, INC., 4 RADNOR CORPORATE CENTER, SUITE 350, RADNOR
Signature: /s/ Daniel Corcoran, as Attorney-in-Fact for Adrian McKemey
Signature date: 03 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CERT transaction

Common Stock

Options Exercise

Transaction value
Shares: +10,849
Change %
Price: $0.000000^*
Shares after: 10,849
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F1

CERT transaction

Common Stock

Tax liability

Transaction value
Shares: -2,642
Change %: -24%
Price: $5.70^*
Shares after: 8,207
Date: 01 Apr 2026
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

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

CERT transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -10,849
Change %: -33%
Price: $0.000000^*
Shares after: 21,698
Date: 01 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 10,849
Exercise price
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

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.

Footnote F2

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