John Richard Stamm

Companies

• Vertex, Inc.Board member Jul 29, 2020 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• VVertex, Inc. VERX32,685 shares²$440.3K at $13.47Jun 10, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jun 10, 2026Granted 15,638 shares of Vertex, Inc.²
• Jun 11, 2025Granted 5,327 shares of Vertex, Inc.³
• Dec 6, 2024Sold 3,815 shares at $56.11 of Vertex, Inc.⁴
• Nov 22, 2024Sold 2,500 shares at $53.81 of Vertex, Inc.⁵
• Nov 22, 2024Exercised options 2,500 shares at $3.73 of Vertex, Inc.⁵
• Nov 22, 2024Gift 1,100 shares of Vertex, Inc.⁵
• Sep 12, 2024Sold 5,000 shares at $35.44 of Vertex, Inc.⁶
• Sep 12, 2024Exercised options 5,000 shares at $3.73 of Vertex, Inc.⁶
• Sep 12, 2024Sold 5,000 shares at $35.41 of Vertex, Inc.⁶
• Aug 22, 2024Sold 16,000 shares at $35.95 of Vertex, Inc.⁷
• Aug 22, 2024Exercised options 16,000 shares at $3.73 of Vertex, Inc.⁷
• Jun 12, 2024Granted 5,705 shares of Vertex, Inc.⁸
• Mar 5, 2024Sold 6,500 shares at $29.48 of Vertex, Inc.⁹
• Dec 15, 2023Sold 10,000 shares at $26.85 of Vertex, Inc.¹⁰
• Aug 28, 2023Sold 10,691 shares at $22.41 of Vertex, Inc.¹¹
• Jun 13, 2023Granted 8,815 shares of Vertex, Inc.¹²
• Mar 13, 2023Sold 11,843 shares at $18.37 of Vertex, Inc.¹³
• Jun 14, 2022Granted 15,121 shares of Vertex, Inc.¹⁴
• Dec 3, 2021Sold 12,000 shares at $16.88 of Vertex, Inc.¹⁵