John E Gallagher Form 4 Certara / John E Gallagher ownership change

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Gallagher John E

(Last) (First) (Middle)

C/O CERTARA, INC.

100 OVERLOOK CENTER, SUITE 101

(Street)

PRINCETON NJ 08540

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Certara, Inc. [ CERT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
CHIEF FINANCIAL OFFICER

3. Date of Earliest Transaction (Month/Day/Year)
04/01/2024

4. If Amendment, Date of Original Filed (Month/Day/Year)

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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	04/01/2024		M		14,663	A	$0(1)	14,663	D
Common Stock	04/01/2024		F		4,750(2)	D	$17.88	9,913	D
Common Stock	04/01/2024		M		12,632	A	$0(3)	22,545	D
Common Stock	04/01/2024		F		4,327(2)	D	$17.88	18,218	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	04/01/2024		M			14,663	(1)	04/01/2025	Common Stock	14,663	$0	14,663	D
Restricted Stock Units	(3)	04/01/2024		M			12,632	(3)	04/01/2026	Common Stock	12,632	$0	25,266	D
Restricted Stock Units	(4)	04/01/2024		A		45,571		(4)	04/01/2027	Common Stock	45,571	$0	45,571	D

Explanation of Responses:

1. Each RSU was granted on April 1, 2023, under the Certara, Inc. ("Certara") 2020 Incentive Plan (the "2020 Incentive Plan") and represents the right to receive one share of common stock or the cash equivalent. Half of the RSUs vested and were settled on April 1, 2024. The remaining RSUs are scheduled to vest and settle on April 1, 2025.

2. Represents RSUs of Certara withheld to satisfy tax withholding obligations in connection with the vesting of RSUs described in footnotes 1 and 3, exempt under Rule 16b-3.

3. Each RSU was granted on April 1, 2023, under the 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, 2024. The remaining two-thirds of the RSUs are scheduled to vest and settle in equal parts on April 1, 2025 and April 1, 2026.

4. Each RSU was granted on April 1, 2024, 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, 2025, April 1, 2026 and April 1, 2027.

	/s/ Richard M. Traynor, as Attorney-in-Fact for John E. Gallagher III	04/03/2024
	** 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 4 (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).
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