VERX

VERX · Vertex Inc. Class A Common Stock

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October 12, 2026

Vertex Adds AI Executive to Board Amid Valuation Questions. Vertex Inc. is adding Debanjan Saha, an AI leader, to its board of directors. This move may strengthen the company's case for investors as it looks to leverage AI capabilities. The news comes as analysts debate whether Vertex's high valuation is justified compared to competitors.

this person other insiders at VERX

Insiders & Stakes

Tensile Capital Management LP
10% Owner
5,396,299
Shares held
David DeStefano
PRESIDENT & CEO
1,271,155
Shares held
ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 20011,221,100
Shares held
ITEM SECOND IRR. TRUST FBO JACOB J. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001745,706
Shares held
ITEM SECOND IRR. TRUST FBO MACKENZIE S. LUCAS u/a of STEFANIE W. LUCAS dated October 5, 2001600,000
Shares held
ITEM SECOND IRR. TRUST FBO ANDREA P. LUCAS u/a of STEFANIE W. LUCAS dated October 5, 2001400,000
Shares held
Jeffrey Westphal397,740
Shares held
ITEM SECOND IRR. TRUST FBO MELANIE H. LUCAS u/a of STEFANIE W. LUCAS dated October 5, 2001300,000
Shares held
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001173,074
Shares held
Eric C. Andersen
Director
165,979
Shares held
Amanda Westphal Radcliffe159,030
Shares held
John R. Schwab
CHIEF FINANCIAL OFFICER
132,271
Shares held
Bradley M. Gayton68,500
Shares held
Stefanie Westphal Thompson66,995
Shares held
Christopher David Young
President and CEO
60,000
Shares held
Philip Seth Saunders50,606
Shares held
John Richard Stamm32,685
Shares held
Robert Kevin L23,936
Shares held
2020 IRREVOCABLE TRUST FOR BENEFIT OF CONSTANCE A. THOMPSON22,500
Shares held
Mark J. Mendola20,965
Shares held
Bryan T.R. Rowland
GENERAL COUNSEL
12,872
Shares held
Saha Debanjan11,199
Shares held
Ryan J. Leib
Chief Accounting Officer
7,423
Shares held
Butler Lisa
CHIEF ACCOUNTING OFFICER
250
Shares held
2020 IRREVOCABLE TRUST FOR BENEFIT OF NICHOLAS A. SHUHAN
10% Owner
0
Shares held

Transaction History

Saha Debanjan▲ Buy$0
Eric C. Andersen▲ Buy$0
Amanda Westphal Radcliffe▲ Buy$0
Philip Seth Saunders▲ Buy$0
Stefanie Westphal Thompson▲ Buy$0
John Richard Stamm▲ Buy$0
Mark J. Mendola▲ Buy$0
David DeStefano▲ Buy$0
Bradley M. Gayton▲ Buy$0
David DeStefano▼ Sell$82K
ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▲ Buy$150K
David DeStefano▲ Buy$0
David DeStefano▼ Sell$689K
John R. Schwab▲ Buy$0
David DeStefano▲ Buy$0
Bryan T.R. Rowland▼ Sell$21K
Christopher David Young▲ Buy$731K
John R. Schwab▼ Sell$197K
David DeStefano▼ Sell$567K
Bryan T.R. Rowland▲ Buy$0
David DeStefano▲ Buy$0
Ryan J. Leib▲ Buy$0
John R. Schwab▲ Buy$0
Ryan J. Leib▼ Sell$10K
Eric C. Andersen▲ Buy$516K
David DeStefano▼ Sell$160K
David DeStefano▼ Sell$302K
Ryan J. Leib▼ Sell$16K
David DeStefano▲ Buy$0
John R. Schwab▼ Sell$165K
John R. Schwab▲ Buy$0
John R. Schwab▼ Sell$110K
Bryan T.R. Rowland▲ Buy$0
Bryan T.R. Rowland▼ Sell$16K
Bryan T.R. Rowland▲ Buy$0
Bryan T.R. Rowland▼ Sell$12K
Ryan J. Leib▲ Buy$0
Jeffrey Westphal▲ Buy$1.9M
Jeffrey Westphal▲ Buy$3.2M
John R. Schwab▼ Sell$201K
Bryan T.R. Rowland▲ Buy$0
John R. Schwab▲ Buy$0
Bryan T.R. Rowland▼ Sell$20K
Ryan J. Leib▲ Buy$0
Ryan J. Leib▼ Sell$25K
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$508K
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$18K
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$310K
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$5.7M
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$5.4M
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$2.9M
Bradley M. Gayton▲ Buy$0
John Richard Stamm▲ Buy$0
Amanda Westphal Radcliffe▲ Buy$0
Stefanie Westphal Thompson▲ Buy$0
Philip Seth Saunders▲ Buy$0
Eric C. Andersen▲ Buy$0
Mark J. Mendola▲ Buy$0
Jeffrey Westphal▼ Sell$58.2M
Jeffrey Westphal▼ Sell$0
Jeffrey Westphal▼ Sell$0
Jeffrey Westphal▼ Sell$12.8M
Jeffrey Westphal▼ Sell$44.4M
Jeffrey Westphal▼ Sell$0
ITEM SECOND IRR. TRUST FBO MACKENZIE S. LUCAS u/a of STEFANIE W. LUCAS dated October 5, 2001▼ Sell$0
2020 IRREVOCABLE TRUST FOR BENEFIT OF CONSTANCE A. THOMPSON▼ Sell$0
ITEM SECOND IRR. TRUST FBO ANDREA P. LUCAS u/a of STEFANIE W. LUCAS dated October 5, 2001▼ Sell$0
ITEM SECOND IRR. TRUST FBO MELANIE H. LUCAS u/a of STEFANIE W. LUCAS dated October 5, 2001▼ Sell$0
David DeStefano▲ Buy$697K
Ryan J. Leib▼ Sell$219K
David DeStefano▼ Sell$1.9M
David DeStefano▼ Sell$2.2M
David DeStefano▲ Buy$1.1M
David DeStefano▼ Sell$2.4M
David DeStefano▼ Sell$321K
David DeStefano▲ Buy$4.3M
David DeStefano▼ Sell$10.8M
Bryan T.R. Rowland▲ Buy$116K
Bryan T.R. Rowland▲ Buy$32K
Bryan T.R. Rowland▼ Sell$677K
Bryan T.R. Rowland▼ Sell$878K
Bradley M. Gayton▲ Buy$298K
Eric C. Andersen▲ Buy$55K
Bradley M. Gayton▲ Buy$2K
Bryan T.R. Rowland▲ Buy$0
Bryan T.R. Rowland▼ Sell$8K
John R. Schwab▲ Buy$0
John R. Schwab▼ Sell$30K
David DeStefano▼ Sell$472K
David DeStefano▲ Buy$0
David DeStefano▲ Buy$0
David DeStefano▼ Sell$2.4M
David DeStefano▲ Buy$0
David DeStefano▲ Buy$0
Ryan J. Leib▲ Buy$0
Bryan T.R. Rowland▲ Buy$0
Bryan T.R. Rowland▼ Sell$50K
Bryan T.R. Rowland▲ Buy$0
Bryan T.R. Rowland▼ Sell$78K
John R. Schwab▲ Buy$0
John R. Schwab▲ Buy$0
John R. Schwab▼ Sell$726K
David DeStefano▼ Sell$2.3M
Ryan J. Leib▼ Sell$51K
David DeStefano▼ Sell$1.4M
John R. Schwab▼ Sell$572K
John R. Schwab▲ Buy$0
Bryan T.R. Rowland▼ Sell$70K
Bryan T.R. Rowland▲ Buy$0
John R. Schwab▼ Sell$735K
Ryan J. Leib▲ Buy$0
Ryan J. Leib▼ Sell$74K
ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$1.0M
ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$3.0M
Jeffrey Westphal▼ Sell$0
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$0
ITEM SECOND IRR. TRUST FBO JACOB J. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$0
Jeffrey Westphal▼ Sell$0
John R. Schwab▲ Buy$94K
John R. Schwab▼ Sell$1.1M
David DeStefano▲ Buy$53K
Jeffrey Westphal▼ Sell$30.5M
Jeffrey Westphal▼ Sell$0
David DeStefano▲ Buy$541K
David DeStefano▼ Sell$11.9M
David DeStefano▼ Sell$22K
David DeStefano▲ Buy$412K
ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$3.4M
David DeStefano▼ Sell$9.0M
ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$736K
David DeStefano▼ Sell$78K
John Richard Stamm▼ Sell$214K
David DeStefano▼ Sell$927K
David DeStefano▼ Sell$1.4M
Bryan T.R. Rowland▲ Buy$97K
Bryan T.R. Rowland▼ Sell$166K
John Richard Stamm▲ Buy$9K
John Richard Stamm▼ Sell$135K
John Richard Stamm▼ Sell$0
ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$1.6M
ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$2.1M
David DeStefano▼ Sell$1.1M
David DeStefano▼ Sell$831K
David DeStefano▼ Sell$7.9M
Jeffrey Westphal▼ Sell$0
Jeffrey Westphal▼ Sell$121.5M
ITEM SECOND IRR. TRUST FBO JACOB J. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$420K
ITEM SECOND IRR. TRUST FBO JACOB J. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$6.0M
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$3.1M
ITEM SECOND IRR. TRUST FBO JACOB J. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$1.4M
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$4.7M
David DeStefano▼ Sell$0
ITEM SECOND IRR. TRUST FBO JACOB J. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$2.3M
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$1.7M
ITEM SECOND IRR. TRUST FBO JACOB J. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$1.9M
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$1.3M
ITEM SECOND IRR. TRUST FBO JACOB J. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$1.3M
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$2.0M
ITEM SECOND IRR. TRUST FBO JACOB J. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$2.0M
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$1.1M
ITEM SECOND IRR. TRUST FBO JACOB J. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$1.2M
ITEM SECOND IRR. TRUST FBO JACOB J. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$2.2M
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$2.0M
Jeffrey Westphal▼ Sell$48.3M
Jeffrey Westphal▼ Sell$0
John Richard Stamm▲ Buy$19K
John Richard Stamm▼ Sell$177K
John Richard Stamm▼ Sell$177K
ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$5.9M
John R. Schwab▲ Buy$118K
John Richard Stamm▲ Buy$60K
John R. Schwab▼ Sell$895K
John Richard Stamm▼ Sell$575K
Bryan T.R. Rowland▲ Buy$112K
Bryan T.R. Rowland▼ Sell$1.1M
Bryan T.R. Rowland▼ Sell$292K
Eric C. Andersen▲ Buy$350K
Eric C. Andersen▼ Sell$2.1M
Eric C. Andersen▼ Sell$3.0M
Jeffrey Westphal▼ Sell$56.7M
Eric C. Andersen▲ Buy$0
Philip Seth Saunders▲ Buy$0
Stefanie Westphal Thompson▲ Buy$0
Amanda Westphal Radcliffe▲ Buy$0
Bradley M. Gayton▲ Buy$0
John Richard Stamm▲ Buy$0
Jeffrey Westphal▼ Sell$49.4M
Jeffrey Westphal▼ Sell$0
Jeffrey Westphal▼ Sell$23.8M
2020 IRREVOCABLE TRUST FOR BENEFIT OF NICHOLAS A. SHUHAN▼ Sell$928K
2020 IRREVOCABLE TRUST FOR BENEFIT OF NICHOLAS A. SHUHAN▼ Sell$1.5M
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$821K
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$1.4M
ITEM SECOND IRR. TRUST FBO JACOB J. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$86K
2020 IRREVOCABLE TRUST FOR BENEFIT OF NICHOLAS A. SHUHAN▼ Sell$1.4M
2020 IRREVOCABLE TRUST FOR BENEFIT OF NICHOLAS A. SHUHAN▼ Sell$3K
ITEM SECOND IRR. TRUST FBO ANNE MARIE WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$3K
ITEM SECOND IRR. TRUST FBO JACOB J. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$3K
2020 IRREVOCABLE TRUST FOR BENEFIT OF NICHOLAS A. SHUHAN▼ Sell$328K
ITEM SECOND IRR. TRUST FBO JACOB J. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001▼ Sell$329K

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