ITEM SECOND IRR. TRUST FBO JACOB J. WESTPHAL u a o, 13(D) GROUP MEMBER, Ten Percent Owner at Vertex, holds 1.20M shares in Vertex (Ticker: VERX). Most recently, ITEM SECOND IRR. TRUST FBO JACOB J. WESTPHAL u a o Sold $2,959 shares of Vertex on Mar 25, 2024 for an estimated value of 88.83K.