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* EQT Avatar Parent L.P. (Last) (First) (Middle) C/O EQT PARTNERS 1114 AVENUE OF THE AMERICAS, 45TH FLOOR (Street) NEW YORK NY 10036 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 12/11/2020	3. Issuer Name and Ticker or Trading Symbol Certara, Inc. [ CERT ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X 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	89,065,729	I	Held by EQT Avatar Parent L.P.(1)

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

1. Name and Address of Reporting Person* EQT Avatar Parent L.P. (Last) (First) (Middle) C/O EQT PARTNERS 1114 AVENUE OF THE AMERICAS, 45TH FLOOR (Street) NEW YORK NY 10036 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* EQT Avatar Parent GP LLC (Last) (First) (Middle) C/O EQT PARTNERS 1114 AVENUE OF THE AMERICAS, 45TH FLOOR (Street) NEW YORK NY 10036 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* EQT Fund Management S.a r.l. (Last) (First) (Middle) 26A, BOULEVARD ROYAL, LUXEMBOURG (Street) GRAND DUCHY OF LUXEMBOURG N4 2449 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. Consists of shares of common stock held directly by EQT Avatar Parent L.P. ("EQT Investor"). EQT Avatar Parent GP LLC ("Avatar Parent GP") is the general partner of the EQT Investor. Several investment vehicles collectedly make up the fund known as "EQT VII." EQT VII owns 100% of the membership interests in Avatar Parent GP. EQT Fund Management S.a r.l. ("EFMS") has exclusive responsibility for the management and control of the business and affairs of investment vehicles which constitute the majority of the total commitments to EQT VII. As such, EFMS has the power to control Avatar Parent GP's voting and investment decisions and may be deemed to have beneficial ownership of the securities held by the EQT Investor.

Remarks:

This filing shall not be deemed an admission that the Reporting Persons are beneficial owners of all securities covered by this filing for purposes of Section 16 of the Exchange Act or otherwise, and each Reporting Person disclaims beneficial ownership of these securities, except to the extent of such Reporting Person's pecuniary interest therein, if any.

	EQT Avatar Parent L.P., By: EQT Avatar Parent GP LLC, as its general partner, By: /s/ Ethan Waxman, Name: Ethan Waxman Title: Vice President	12/11/2020
	EQT Avatar Parent GP LLC, By: /s/ Ethan Waxman, Name: Ethan Waxman Title: Vice President	12/11/2020
	EQT Fund Management S.a r.l., By: /s/ Nicholas Curwen, Name: Nicholas Curwen, Title: Manager and /s/ Joshua Stone, Name: Joshua Stone Title Manager	12/11/2020
	** Signature of Reporting Person	Date
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