Form4insider filings, from the source

Company · CIK 0001806837 · SIC 7372 — Services-Prepackaged Software · Nasdaq

Vertex, Inc. · VERX

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jun 10, 2026 AForm 4 →Jun 12, 4:21 pm EDTDavid DeStefanoDirector15,638——1,271,155—
Jun 10, 2026 AForm 4 →Jun 12, 4:20 pm EDTBradley M GaytonDirector15,638——68,500—
Jun 10, 2026 AForm 4 →Jun 12, 4:20 pm EDTPhilip Seth SaundersDirector15,638——50,606—
Jun 10, 2026 AForm 4 →Jun 12, 4:19 pm EDTAmanda Westphal RadcliffeDirector, 10% Owner15,638——159,030—
Jun 10, 2026 AForm 4 →Jun 12, 4:19 pm EDTJohn Richard StammDirector15,638——32,685—
Jun 10, 2026 AForm 4 →Jun 12, 4:18 pm EDTEric C. AndersenDirector15,638——165,979—
Jun 10, 2026 AForm 4 →Jun 12, 4:18 pm EDTStefanie Westphal ThompsonDirector, 10% Owner15,638——66,995—
Jun 10, 2026 AForm 4 →Jun 12, 4:17 pm EDTMark J MendolaDirector15,638——20,965—

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.