SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Mohammed Faiz (Last) (First) (Middle) C/O CERTARA, INC. 4 RADNOR CORPORATE CENTER, SUITE 350 (Street) RADNOR PENNSYLVANIA 19087 (City) (State) (Zip) UNITED STATES (Country)	2. Date of Event Requiring Statement (Month/Day/Year) 07/15/2026	3. Issuer Name and Ticker or Trading Symbol Certara, Inc. [ CERT ]
		3a. Foreign Trading Symbol	5. If Amendment, Date of Original Filed (Month/Day/Year)
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) Interim CFO	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	163,686	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	(1)	Common Stock	6,330	$0	D
Restricted Stock Units	(2)	(2)	Common Stock	13,290	$0	D
Performance Stock Units	(3)	(3)	Common Stock	8,544	$0	D

Explanation of Responses:

1. Each restricted stock unit ("RSU") was granted on April 1, 2024, pursuant to the Certara, Inc. ("Certara") 2020 Incentive Plan ("2020 Incentive Plan"). Each RSU represents a right to receive one share of Certara common stock or the cash equivalent thereof. One-third of the RSUs vested and settled on April 1, 2025, and one-third vested and settled on April 1, 2026. The remaining one-third of the RSUs will vest and settle on April 1, 2027, subject to the reporting person's continued service through the applicable vesting date.

2. Each RSU was granted on July 11, 2025, pursuant to the 2020 Incentive Plan. Each RSU represents a right to receive one share of Certara common stock or the cash equivalent thereof. One-third of the RSUs vested and settled on April 1, 2026. The remaining two-thirds of the RSUs will vest and settle in two equal installments on April 1, 2027 and April 1, 2028, subject to the reporting person's continued service through each applicable vesting date

3. Each performance stock unit ("PSU") was granted on July 11, 2025, pursuant to the terms of Certara's 2025 Long-Term Incentive Plan for Executives, as approved by the Compensation Committee of Certara's Board of Directors under the 2020 Incentive Plan. Each PSU represents a right to receive one share of Certara common stock. The reporting person will be entitled to receive between 0% and 200% of the target number of PSUs based on Certara's performance against certain total shareholder return thresholds during the performance period ending March 31, 2028.

	/s/ Daniel D. Corcoran, as Attorney-in-Fact for Faiz Mohammed	07/17/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)