๐Ÿ•ต๏ธ Vertex, Inc. ($VERX)

SEC insider & ownership activity, last 12 months ยท CIK 1806837 ยท every row links its SEC filing

Over the last 12 months insiders sold $82K against $6.4M of open-market buying. Jeffrey Westphal bought $5.1M in discretionary trades (Feb). Blackrock, Inc. trimmed 9.6% โ†’ 7.2%. No red-flag 8-Ks in the window.

Aug 2025: net +$0 Sep 2025: net +$0 Oct 2025: net +$0 Nov 2025: net +$0 Dec 2025: net +$0 Jan 2026: net +$0 Mar 2026: net +$0 Mar 2026: net +$0 Apr 2026: net +$0 May 2026: net -$82K Jun 2026: net +$0 Jul 2026: net +$0
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

3 buyers, $6.4M (4 lots) ยท 1 seller, $82K (1 lots)

InsiderBuysBoughtSellsSoldLast
Jeffrey Westphal2$5.1M 0โ€“Feb 17, 2026
Young Christopher David1$731K 0โ€“Feb 23, 2026
Eric C. Andersen1$516K 0โ€“Feb 20, 2026
Destefano David0โ€“ 1$82KMay 28, 2026

5%+ holders

HolderStakeClassScheduleEvent
Amanda Radcliffe 20.9% 13GAug 13, 2025 filing โ†—
Stefanie Thompson 20.7% 13GAug 13, 2025 filing โ†—
Blackrock, Inc. 7.2% 13GJan 21, 2026 filing โ†—
Vanguard Portfolio Management 6.2% 13GApr 29, 2026 filing โ†—
Morgan Stanley 5.3% 13GMay 12, 2026 filing โ†—
Tensile Capital Partners Master Fund 5.1% 13GMay 15, 2025 filing โ†—

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
David Destefano$82KMay 28, 2026 filing โ†—

Material events (8-K)

ItemEvent date
Shareholder vote (5.07)Jun 10, 2026 filing โ†—
Earnings (2.02)May 7, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 7, 2026 filing โ†—
Exit or disposal costs (2.05)Apr 28, 2026 filing โ†—
Earnings (2.02)Feb 11, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 11, 2026 filing โ†—
Material agreement (1.01)Nov 14, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Nov 14, 2025 filing โ†—
Earnings (2.02)Oct 30, 2025 filing โ†—
Other events (8.01)Oct 30, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Oct 30, 2025 filing โ†—
Earnings (2.02)Oct 20, 2025 filing โ†—
Officer/director changes (5.02)Oct 20, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Oct 20, 2025 filing โ†—
Earnings (2.02)Aug 6, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Aug 6, 2025 filing โ†—