[SCHEDULE 13G/A] Certara, Inc. SEC Filing

Rhea-AI Filing Summary

Wasatch Advisors LP reported beneficial ownership of 17,398,337 common shares of Certara Inc, representing 10.8% of the class as of the filing event date. Wasatch holds sole dispositive power over all 17,398,337 shares and sole voting power over 12,631,748 shares. The filing identifies Wasatch as an investment adviser organized in Delaware and certifies the holdings were acquired and are held in the ordinary course of business and not for the purpose of changing control. The filing was signed by Wasatch CEO Mike Yeates on 10/07/2025 and lists Certara's principal executive office in Radnor, Pennsylvania.

Positive

• Material, clearly disclosed stake: Wasatch reports 17,398,337 shares, equal to 10.8% of the class
• Sole dispositive control: Wasatch has sole power to dispose of all 17,398,337 reported shares
• Sole voting control for majority of stake: Wasatch holds sole voting power over 12,631,748 shares

Negative

• None.

Insights

Institutional Ownership Analyst

Wasatch holds a material 10.8% stake with clear voting and disposition control.

Wasatch Advisors reports beneficial ownership of 17,398,337 shares and sole dispositive power over those shares, plus sole voting power over 12,631,748. That level of ownership exceeds the 5% reporting threshold and is large enough to be noticed by investors and governance observers.

The filing states the position is held in the ordinary course of business and not to change control; watch for any subsequent Schedule 13D or additional amendments that would indicate an active campaign or change in intent within the near term.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

Certara Inc

(Name of Issuer)

COM

(Title of Class of Securities)

15687V109

(CUSIP Number)

09/30/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 15687V109

1

Names of Reporting Persons

Wasatch Advisors LP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 12,631,748.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 17,398,337.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

17,398,337.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

10.8 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Certara Inc
(b)	Address of issuer's principal executive offices: 4 RADNOR CORPORATE CENTER, SUITE 350, RADNOR, PA, 19087
Item 2.
(a)	Name of person filing: Wasatch Advisors LP
(b)	Address or principal business office or, if none, residence: 505 Wakara Way, 3rd Floor, Salt Lake City, 84108, United States
(c)	Citizenship: DELAWARE
(d)	Title of class of securities: COM
(e)	CUSIP No.: 15687V109
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 17,398,337
(b)	Percent of class: 10.8 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 12,631,748
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 17,398,337
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Wasatch Advisors LP

Signature:	Mike Yeates
Name/Title:	CEO
Date:	10/07/2025

FAQ

How many Certara (CERT) shares does Wasatch Advisors report owning?

Wasatch Advisors reports beneficial ownership of 17,398,337 Certara shares.

What percentage of Certara does Wasatch Advisors own according to the filing?

The filing states Wasatch holds 10.8% of the outstanding common stock.

How much voting power does Wasatch Advisors have in Certara (CERT)?

Wasatch has sole voting power over 12,631,748 shares and 0 shared voting power.

Does Wasatch Advisors claim the stake is intended to change control of Certara?

No. The filing certifies the securities were not acquired for the purpose of changing or influencing control and are held in the ordinary course of business.

Who signed the Schedule 13G/A for Wasatch Advisors and when?

The Schedule was signed by Mike Yeates, CEO, on 10/07/2025.