John V W. Reynders - 21 May 2025 Form 4 Insider Report for Certara, Inc. (CERT)

Role: Director
Signature: /s/ Daniel Corcoran, as Attorney-in-Fact for John V.W. Reynders
Issuer symbol: CERT
Transactions as of: 21 May 2025
Net transactions value: $0
Form type: 4
Filing time: 22 May 2025, 17:05:57 UTC
Previous filing: 18 Oct 2024
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Reynders John V W	Director	4 RADNOR CORPORATE CENTER, SUITE 350, RADNOR	/s/ Daniel Corcoran, as Attorney-in-Fact for John V.W. Reynders	22 May 2025	0002039811

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CERT	Common Stock	Options Exercise	$0	+10,709		$0.000000	10,709	21 May 2025	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CERT	Restricted Stock Units	Options Exercise	$0	-10,709	-100%	$0.000000	0	21 May 2025	Common Stock	10,709		Direct	F1
transaction	CERT	Restricted Stock Units	Award	$0	+15,757		$0.000000	15,757	21 May 2025	Common Stock	15,757		Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each restricted stock unit ("RSU") was granted on October 16, 2024, under the Certara, Inc. 2020 Incentive Plan ("2020 Incentive Plan") entitling the reporting person to receive one share of the issuer's common stock per RSU. The RSUs vested and were converted to common stock on May 21, 2025, the day of the issuer's annual meeting.
F2	Each RSU was granted on May 21, 2025, under the 2020 Incentive Plan that entitles the reporting person to receive one share of issuer's common stock per RSU. The RSUs vest on the earlier of the one-year anniversary of the date of grant or the date of the issuer's next annual meeting.