3 unchanged sentences
Under a Rule 10b5-1 plan, a broker executes trades pursuant to parameters established by the director or officer when entering into the plan, without further direction from them.
−Removed: During the three months ended March 31, 2026, none of our directors or officers (as defined in Rule 16a-1(f) of the Exchange Act) adopted or terminated a Rule 10b5-1 trading plan.
+Added: On June 4, 2026 , Leif Pedersen , our President, Chief Commercial Officer, adopted a Rule 10b5-1 trading plan.
+Added: The plan provides for the potential sale, on the dates and prices set forth in the plan, of up to 36,066 shares of our common stock from September 2, 2026 through September 4, 2026 .
+Added: The plan is intended to satisfy the affirmative defense requirements of Rule 10b5-1(c) under the Exchange Act.
See Exhibit Index.
5 unchanged sentences
8 - K 001-39799 2.1 8/05/2021
+Added: 2.2 Purchase Agreement dated as of April 21, 2026, by and among Certara, Inc., Veristat, LLC and certain of its affiliates
3.1 Amended and Restated Certificate of Incorporation of Certara, Inc.
4 unchanged sentences
10-Q 001-39799 3.3 8/6/2025
+Added: 10.1* Certara - 2025 PSU Grant (Resnick)
+Added: 10.2* Certara - 2025 RSU Grant (Resnick)
+Added: 10.3* Certara - 2026 PSU Grant (Resnick)
+Added: 10.4* Certara - 2026 RSU Grant (Resnick)
+Added: 10.5* Certara - Make Whole RSU Grant (Resnick)
+Added: 10.6* Certara - Executive 2026 Standard RSU Grant
+Added: 10.7* Certara - Executive 2026 Standard PSU Grant
31.1 Certification of Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
11 unchanged sentences
+ This certification is deemed not filed for purpose of Section 18 of the Exchange Act, or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference into any filings under the Securities Act or the Exchange Act.
+Added: * Management contract or compensatory plan or arrangement.
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
CERTARA, INC.
+Added: August 4, 2026
/s/ JON RESNICK
1 unchanged sentence
(Principal Executive Officer)
−Removed: GALLAGHER III
−Removed: Gallagher III
−Removed: Chief Financial Officer
+Added: August 4, 2026
+Added: /s/ FAIZ MOHAMMED
+Added: Faiz Mohammed
+Added: Interim Chief Financial Officer
(Principal Financial Officer and Principal
1 unchanged sentence
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.