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The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon either (1) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions or (2) the voting power of the Issuer's outstanding Class B Common Stock representing less than 10% of the combined voing power of all of the Issuer's outstanding common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The Class B Common Stock is convertible at any time at the option of the holder into one share of the Issuer's Class A Common Stock and has no expiration date. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon either (1) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions or (2) the voting power of the Issuer's outstanding Class B Common Stock representing less than 10% of the combined voing power of all of the Issuer's outstanding common stock."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2589000},"source":{"system":"sec-edgar","filing":"0001415889-23-006008","document":"form4-04042023_080404.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1806837/000141588923006008/form4-04042023_080404.xml","form_type":"4"}},{"id":1928587,"issuer":{"id":4427,"kind":"organization","name":"Vertex, Inc.","symbol":"VERX"},"owners":[{"id":62027,"kind":"organization","name":"ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001","position":1,"cik":"0001819244","reported_name":"ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"13(D) GROUP MEMBER"}}],"security":"Class A Common Stock","published_at":"2023-04-04T20:19:13.000Z","date":"2023-03-31","kind":"exercise","planned":false,"acquired":true,"shares":2589000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":2589000,"source":{"system":"sec-edgar","filing":"0001415889-23-006008","document":"form4-04042023_080404.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1806837/000141588923006008/form4-04042023_080404.xml","form_type":"4"}}]}