Morgan Stanley discloses 4.15M shares (5.3%) in Vertex (VERX)

Rhea-AI Filing Summary

Vertex, Inc. institutional ownership report: Morgan Stanley reports beneficial ownership of 4,146,241 shares of Class A Common Stock, representing 5.3% of the class. The filing attributes 4,115,461 shares of shared voting power and 4,146,241 shares of shared dispositive power. The filing is signed by an authorized Morgan Stanley signatory on 05/12/2026.

Insights

Institutional Ownership Analyst

Morgan Stanley discloses a ~5.3% economic interest in Vertex Class A shares.

The filing lists 4,146,241 shares as beneficially owned with 5.3% of the class and shows shared voting and dispositive power. This indicates institutional exposure but does not specify trading intent or timing.

Watch subsequent filings for any schedule amendments or Form 13D/4 that would signal active engagement or trades; timing not specified in the excerpt.

Securities Compliance Counsel

The Schedule 13G was executed under passive/institutional reporting conventions.

The filing references the Release No. 34-39538 allocation among MS Reporting Units and is signed by an authorized signatory. It reports shared powers rather than sole control, consistent with aggregated reporting by a financial institution.

Regulatory implications are routine: further disclosure would be required if beneficial ownership or intent changes.

Key Figures

Percent of class: 5.3% Beneficially owned: 4,146,241 shares Shared voting power: 4,115,461 shares +1 more

4 metrics

Percent of class 5.3% reported in Schedule 13G

Beneficially owned 4,146,241 shares Class A Common Stock, as reported

Shared voting power 4,115,461 shares reported shared voting power among MS Reporting Units

Sole voting power 0.00 shares reported on the cover responses

Key Terms

Schedule 13G, beneficially owned, shared dispositive power, MS Reporting Units

4 terms

Schedule 13G regulatory

"This document is a Schedule 13G filing by Morgan Stanley"

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

beneficially owned financial

"Amount beneficially owned: See the response(s) to Item 9"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

shared dispositive power regulatory

"Shared Dispositive Power 4,146,241.00"

MS Reporting Units organizational

"securities beneficially owned by certain operating units (collectively, the "MS Reporting Units")"

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Vertex, Inc.

(Name of Issuer)

Class A Common Stock

(Title of Class of Securities)

92538J106

(CUSIP Number)

03/31/2026

(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)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 92538J106

1

Names of Reporting Persons

Morgan Stanley

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 0.00
6	Shared Voting Power 4,115,461.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 4,146,241.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,146,241.00

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)

5.3 %

12

Type of Reporting Person (See Instructions)

HC, CO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Vertex, Inc.
(b)	Address of issuer's principal executive offices: 2301 RENAISSANCE BOULEVARD, KING OF PRUSSIA, PA, 19406
Item 2.
(a)	Name of person filing: Morgan Stanley
(b)	Address or principal business office or, if none, residence: 1585 Broadway, New York, NY 10036
(c)	Citizenship: Delaware
(d)	Title of class of securities: Class A Common Stock
(e)	CUSIP Number(s): 92538J106
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: See the response(s) to Item 9 on the attached cover page(s).
(b)	Percent of class: 5.3 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See the response(s) to Item 5 on the attached cover page(s).
	(ii) Shared power to vote or to direct the vote: See the response(s) to Item 6 on the attached cover page(s).
	(iii) Sole power to dispose or to direct the disposition of: See the response(s) to Item 7 on the attached cover page(s).
	(iv) Shared power to dispose or to direct the disposition of: See the response(s) to Item 8 on the attached cover page(s).
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
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. * In Accordance with the Securities and Exchange Commission Release No. 34-39538 (January 12, 1998) (the "Release"), this filing reflects the securities beneficially owned, or that may be deemed to be beneficially owned, by certain operating units (collectively, the "MS Reporting Units") of Morgan Stanley and its subsidiaries and affiliates (collectively, "MS"). This filing does not reflect securities, if any, beneficially owned by any operating units of MS whose ownership of securities is disaggregated from that of the MS Reporting Units in accordance with the Release.

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.

Morgan Stanley

Signature:	Claire Gordon
Name/Title:	Authorized Signatory, Morgan Stanley
Date:	05/12/2026

FAQ

What stake does Morgan Stanley report in Vertex (VERX)?

Morgan Stanley reports beneficial ownership of 4,146,241 shares of Vertex Class A common stock, representing 5.3% of the class, as stated in the Schedule 13G filing signed 05/12/2026.

Does Morgan Stanley have voting control over Vertex shares?

The filing shows 4,115,461 shares of shared voting power and 0 shares of sole voting power, indicating voting authority is reported as shared among Morgan Stanley reporting units.

Is this a passive Schedule 13G or an active 13D disclosure for VERX?

This document is a Schedule 13G filing by Morgan Stanley, which is typically used for passive/institutional holders; the filing references the Release No. 34-39538 allocation among MS Reporting Units.

Who signed the Schedule 13G for Morgan Stanley?

The filing is signed by Claire Gordon, as an authorized signatory for Morgan Stanley, with the signature date shown as 05/12/2026 on the cover information.

Does the filing disclose sole dispositive power for Morgan Stanley?

The filing reports 0 shares of sole dispositive power and 4,146,241 shares of shared dispositive power, indicating disposition authority is reported as shared among the MS Reporting Units.