Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Vertex Inc., 3 years.
Vertex Inc.
Director
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 10, 2026 | Vertex Inc. | Grant or award | +15,638 | — | — |
| Jun 11, 2025 | Vertex Inc. | Grant or award | +5,327 | — | — |
| Dec 6, 2024 | Vertex Inc. | Open-market sale | −3,815 | $56.11 | $214,060 |
| Nov 22, 2024 | Vertex Inc. | Gift | −1,100 | — | — |
| Nov 22, 2024 | Vertex Inc. | Option exercise | +2,500 | $3.73 | $9,325 |
| Nov 22, 2024 | Vertex Inc. | Open-market sale | −2,500 | $53.81 | $134,525 |
| Sep 12, 2024 | Vertex Inc. | Open-market sale | −5,000 | $35.41 | $177,050 |
| Sep 12, 2024 | Vertex Inc. | Option exercise | +5,000 | $3.73 | $18,650 |
| Sep 12, 2024 | Vertex Inc. | Open-market sale | −5,000 | $35.44 | $177,200 |
| Aug 22, 2024 | Vertex Inc. | Option exercise | +16,000 | $3.73 | $59,680 |
| Aug 22, 2024 | Vertex Inc. | Open-market sale | −16,000 | $35.95 | $575,200 |
| Jun 12, 2024 | Vertex Inc. | Grant or award | +5,705 | — | — |
| Mar 5, 2024 | Vertex Inc. | Open-market sale | −6,500 | $29.48 | $191,620 |
| Dec 15, 2023 | Vertex Inc. | Open-market sale | −10,000 | $26.85 | $268,500 |
| Aug 28, 2023 | Vertex Inc. | Open-market sale | −10,691 | $22.41 | $239,585 |
Questions about John Richard Stamm
What boards is John Richard Stamm on?
John Richard Stamm sits on the board of Vertex Inc.
How long has John Richard Stamm served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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