Vertex, Inc.

For the period ended Dec 31, 2025. Filed Feb 24, 2026.

About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 24, 2026

VERX$17.30+1.3%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

See the whole filing, with its images and exhibits

Contents

Index to Exhibits

The following exhibits are filed as part of this Annual Report on Form 10-K.

ExhibitNumber	Exhibit Description	Form	File No.	Exhibit	FilingDate

3.1	Form of Amended and Restated Certificate of Incorporation of Vertex, Inc.	S-1/A	333-239644	3.1	07/20/20
3.2	Second Amended and Restated Bylaws of Vertex, Inc.	10-K	001-39413	3.2	02/27/25
4.1	Specimen Stock Certificate evidencing the shares of Class A common stock.	S-1/A	333-239644	4.1	07/24/20
4.2	Form of Third Amended and Restated Stockholders' Agreement.	S-1/A	333-239644	4.2	07/24/20
4.3	Description of Capital Stock	10-K	333-239644	4.3	03/15/21
4.4	Indenture, dated April 26, 2024, between Vertex, Inc. and U.S. Bank Trust Company, National Association.	8-K	001-39413	4.1	04/26/24
10.1	Second Amendment to the Credit Agreement by and among Vertex, Inc., the guarantors party thereto, PNC Bank, National Association, and the lenders party thereto, dated as of March 8, 2022.	8-K	001-39413	10.1	03/09/22
10.3#	Form of Indemnification Agreement between Vertex, Inc. and each of its Executive Officers and Directors.	S-1/A	333-239644	10.3	07/20/20
10.4	2007 Stock Appreciation Plan.	S-1	333-239644	10.4	07/02/20
10.5#	Form of Executive Employment Agreement, as amended and restated, by and between Vertex, Inc. and Lisa Butler.	S-1/A	333-239644	10.5	07/20/20
10.6#	Executive Employment Agreement, as amended and restated, by and between Vertex, Inc. and David DeStefano.	S-1/A	333-239644	10.6	07/20/20
10.7#	Form of Executive Employment Agreement, as amended and restated, by and between Vertex, Inc. and Bryan Rowland.	S-1/A	333-239644	10.7	07/20/20
10.8#	Form of Executive Employment Agreement, as amended and restated, by and between Vertex, Inc. and John Schwab.	S-1/A	333-239644	10.8	07/20/20
10.9#	Retirement Agreement and Release, by and between Vertex, Inc. and David DeStefano, dated October 20, 2025.	8-K	001-39413	10.1	10/21/25
10.10#	Executive Employment Agreement, by and between Vertex, Inc. and Christopher Young.	8-K	001-39413	10.2	10/21/25
10.11	Form of S Corporation Termination and Tax Sharing Agreement.	S-1/A	333-239644	10.9	07/20/20
10.12#	Vertex Inc. & Subsidiaries 2010 Long-Term Rewards Plan.	S-1/A	333-239644	10.10	07/20/20
10.13#	Vertex Inc. & Subsidiaries 2018 Long-Term Rewards Plan.	S-1/A	333-239644	10.11	07/20/20

ExhibitNumber	Exhibit Description	Form	File No.	Exhibit	FilingDate	FiledHerewith

10.14#	Form of Stock Option Amendment Agreement.	S-1/A	333-239644	10.12	07/20/20
10.15#	Form of Option Award Agreement under 2020 Incentive Award Plan for Amended Options.	S-1/A	333-239644	10.13	07/20/20
10.16#	Form of Option Award Agreement under 2020 Incentive Award Plan for Amended Stock Appreciation Rights.	S-1/A	333-239644	10.14	07/20/20
10.17#	Vertex, Inc. 2020 Incentive Award Plan.	S-1/A	333-239644	10.15	07/20/20
10.18#	Form of Option Award Agreement under 2020 Incentive Award Plan.	S-1/A	333-239644	10.16	07/20/20
10.19#	Form of Restricted Stock Award Agreement under 2020 Incentive Award Plan.	S-1/A	333-239644	10.17	07/20/20
10.20#	Form of Restricted Stock Unit Award Agreement under 2020 Incentive Award Plan.	S-1/A	333-239644	10.18	07/20/20
10.21#	Form of Stock Award Agreement under 2020 Incentive Award Plan.	S-1/A	333-239644	10.19	07/20/20
10.22	Fourth Amendment to Credit Agreement by and among Vertex, Inc., the guarantors party thereto, PNC Bank, National Association, as administrative agent, and the lenders party, thereto, dated as of April 19, 2024.	8-K	001-39413	10.1	04/23/24
10.23	Form of Capped Call Confirmation.	8-K	001-39413	10.1	04/26/24
10.24	Amended and Restated Credit Agreement by and among Vertex, Inc., the guarantors party thereto, PNC Bank, National Association, as administrative agent, and the lenders party, thereto, dated as of November 4, 2024.	8-K	001-39413	10.1	11/08/24
10.25	First Amendment to Credit Agreement by and among Vertex, Inc., the guarantors party thereto, PNC Bank, National Association, as administrative agent, and the lenders party, thereto, dated as of November 14, 2025.	8-K	001-39413	10.1	11/20/25
19.1	Insider Trading Policy.	10-K	001-39413	19.1	02/27/25
21.1	List of Subsidiaries	S-1/A	333-239644	21.1	07/20/20
23.1	Consent of Crowe LLP					X
24.1	Power of Attorney					X
31.1	Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002					X
31.2	Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002					X

ExhibitNumber	Exhibit Description	Form	File No.	Exhibit	FilingDate	FiledHerewith

32.1 · Certification of Principal Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 · · · · · · · · · · · · X
32.2 · Certification of Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 · · · · · · · · · · · · X
97.1#	Vertex, Inc. Policy for Recovery of Erroneously Awarded Compensation	10-K	001-39413	97.1	02/29/24
101.INS	Inline XBRL Instance Document					X
101.SCH	Inline XBRL Taxonomy Extension Schema Document					X
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document					X
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document					X
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document					X
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document					X
104	Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)					X

#Indicates a management contract or compensatory plan.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.