SEC Insider Transactions from ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001.

Last updated: 2026-03-14 11:56 UTC | Total transactions: 18

ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 has filed 18 insider transactions across 1 company since March 2023.

Most recent transaction: a purchase of 10000 shares of Vertex, Inc. ($VERX) on March 09, 2026.

Activity breakdown: 1 open-market purchase and 15 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 9, 2026 Vertex, Inc. $VERX ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 TenPercentOwner P Class A Common Stock 10000 $15.05 1,221,100.0000 26,359,623 0.81% 0.04%
Jan. 23, 2025 Vertex, Inc. $VERX ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 TenPercentOwner S Class A Common Stock 18157 $56.52 1,211,100.0000 26,359,623 1.48% 0.07%
Jan. 22, 2025 Vertex, Inc. $VERX ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 TenPercentOwner S Class A Common Stock 53843 $56.48 1,229,257.0000 26,359,623 4.20% 0.20%
Dec. 10, 2024 Vertex, Inc. $VERX ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 TenPercentOwner S Class A Common Stock 61654 $54.98 1,283,100.0000 26,359,623 4.58% 0.23%
Dec. 9, 2024 Vertex, Inc. $VERX ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 TenPercentOwner S Class A Common Stock 13346 $55.13 1,344,754.0000 26,359,623 0.98% 0.05%
Nov. 21, 2024 Vertex, Inc. $VERX ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 TenPercentOwner S Class A Common Stock 31034 $53.13 1,358,100.0000 26,359,623 2.23% 0.12%
Nov. 20, 2024 Vertex, Inc. $VERX ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 TenPercentOwner S Class A Common Stock 40966 $52.16 1,389,134.0000 26,359,623 2.86% 0.16%
Aug. 26, 2024 Vertex, Inc. $VERX ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 TenPercentOwner S Class A Common Stock 158900 $37.27 1,430,100.0000 26,359,623 10.00% 0.60%
Nov. 13, 2023 Vertex, Inc. $VERX ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 Other S Class A Common Stock 20000 $27.35 1,589,000.0000 26,359,623 1.24% 0.08%
Nov. 10, 2023 Vertex, Inc. $VERX ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 Other S Class A Common Stock 280000 $27.17 1,609,000.0000 26,359,623 14.82% 1.06%
Nov. 7, 2023 Vertex, Inc. $VERX ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 Other S Class A Common Stock 157387 $23.12 1,994,337.0000 26,359,623 7.31% 0.60%
Nov. 8, 2023 Vertex, Inc. $VERX ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 Other S Class A Common Stock 105337 $22.72 1,889,000.0000 26,359,623 5.28% 0.40%
Nov. 6, 2023 Vertex, Inc. $VERX ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 Other S Class A Common Stock 126155 $22.29 2,151,724.0000 26,359,623 5.54% 0.48%
Nov. 2, 2023 Vertex, Inc. $VERX ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 Other S Class A Common Stock 79718 $23.33 2,446,087.0000 26,359,623 3.16% 0.30%
Nov. 3, 2023 Vertex, Inc. $VERX ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 Other S Class A Common Stock 168208 $23.36 2,277,879.0000 26,359,623 6.88% 0.64%
Nov. 1, 2023 Vertex, Inc. $VERX ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 Other S Class A Common Stock 63195 $23.60 2,525,805.0000 26,359,623 2.44% 0.24%
March 31, 2023 Vertex, Inc. $VERX ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 Not found C Class A Common Stock 2589000 $0.00 2,589,000.0000 26,359,623 9999.99% 9.82%
March 31, 2023 Vertex, Inc. $VERX ITEM SECOND IRR. TRUST FBO KYLE R. WESTPHAL u/a of JEFFREY R. WESTPHAL dated October 5, 2001 Not found C Class B Common Stock 2589000 $0.00 0.0000 26,359,623 100.00% 9.82%