0001806837 2021-08-11 2021-08-11 0001806837 false 8-K 2021-08-11 VERTEX, INC. DE 001-39413 23-2081753 2301 Renaissance Blvd. King of Prussia PA 19406 800 355-3500 false false false false Class A common stock, $0.001 par value per share VERX NASDAQ true false