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This Form 4 reflects the correct number of shares."}],"balance_after":1583967.844,"derivative":{"underlying":"Class A Common Stock","underlying_shares":400000},"source":{"system":"sec-edgar","filing":"0001415889-25-014127","document":"form4-05222025_080531.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1818835/000141588925014127/form4-05222025_080531.xml","form_type":"4"}},{"id":1137354,"issuer":{"id":4427,"kind":"organization","name":"Vertex, Inc.","symbol":"VERX"},"owners":[{"id":79401,"kind":"organization","name":"ITEM SECOND IRR. TRUST FBO ANDREA P. LUCAS u/a of STEFANIE W. LUCAS dated October 5, 2001","position":1,"cik":"0001818835","reported_name":"ITEM SECOND IRR. TRUST FBO ANDREA P. LUCAS u/a of STEFANIE W. 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These shares were sold in multiple transactions ranging from  $37.79 to $38.28, inclusive.  The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above."}],"balance_after":1066587,"source":{"system":"sec-edgar","filing":"0001415889-25-012874","document":"form4-05142025_080501.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1818526/000141588925012874/form4-05142025_080501.xml","form_type":"4"}},{"id":1149336,"issuer":{"id":4427,"kind":"organization","name":"Vertex, Inc.","symbol":"VERX"},"owners":[{"id":38794,"kind":"person","name":"DeStefano David","position":1,"cik":"0001818526","reported_name":"DeStefano David","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"PRESIDENT & CEO"}}],"security":"Class A Common Stock","published_at":"2025-05-14T16:29:06.000Z","date":"2025-05-13","kind":"sale","planned":false,"acquired":false,"shares":50571,"price":37.2713,"value":1884846.9123,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions ranging from  $36.79 to $37.78, inclusive.  The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above."}],"balance_after":1125431,"source":{"system":"sec-edgar","filing":"0001415889-25-012874","document":"form4-05142025_080501.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1818526/000141588925012874/form4-05142025_080501.xml","form_type":"4"}}],"next_cursor":"2025-05-14T16:29:06.000000Z,1149336"}