Stamm John Richard
SEC CIK 1818885 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| VERX | Vertex, Inc. | Dir | 32.7K | — | $2.56M | 19 | 2021-08-19 | 2026-06-10 |
Most active insiders at VERX, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Westphal Jeffrey | See Remarks | $5.12M | — |
| 2 | Young Christopher David | Pres, CEO, Dir | $730.8K | — |
| 3 | ANDERSEN ERIC C. | Dir | $516.4K | — |
| 4 | DeStefano David | Dir | — | $82.4K |
| 5 | Mendola Mark J | Dir | — | — |
| 6 | Stamm John Richard | Dir | — | — |
| 7 | Radcliffe Amanda Westphal | Dir, 10% | — | — |
| 8 | Thompson Stefanie Westphal | Dir, 10% | — | — |
| 9 | Gayton Bradley M | Dir | — | — |
| 10 | Leib Ryan J | CAO | — | — |
Transactions 19
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-06-12 16:19 | 2026-06-10 | VERX | Vertex, Inc. | Stamm John Richard | Dir | A - Grant | $0.00 | +15.6K | 32.7K | +92% | $0 | |
| 2025-06-13 | 2025-06-11 | VERX | Vertex, Inc. | Stamm John Richard | Dir | A - Grant | $0.00 | +5,327 | 17.0K | +45% | $0 | |
| 2024-12-10 | 2024-12-06 | VERX | Vertex, Inc. | Stamm John Richard | Dir | S - Sale | $56.11 | -3,815 | 11.7K | -25% | -$214.1K | |
| D | 2024-11-27 | 2024-11-22 | VERX | Vertex, Inc. | Stamm John Richard | Dir | S - Sale+OE | $53.81 | -2,500 | 15.5K | -14% | -$134.5K |
| D | 2024-11-27 | 2024-11-22 | VERX | Vertex, Inc. | Stamm John Richard | Dir | M - OptEx | $3.73 | +2,500 | 18.0K | +16% | +$9,325 |
| D | 2024-11-27 | 2024-11-22 | VERX | Vertex, Inc. | Stamm John Richard | Dir | G - Gift | $0.00 | -1,100 | 15.5K | -7% | $0 |
| DM | 2024-09-16 | 2024-09-12 | VERX | Vertex, Inc. | Stamm John Richard | Dir | S - Sale+OE | $35.42 | -10.0K | 16.6K | -38% | -$354.2K |
| D | 2024-09-16 | 2024-09-12 | VERX | Vertex, Inc. | Stamm John Richard | Dir | M - OptEx | $3.73 | +5,000 | 21.6K | +30% | +$18.6K |
| D | 2024-08-26 | 2024-08-22 | VERX | Vertex, Inc. | Stamm John Richard | Dir | M - OptEx | $3.73 | +16.0K | 37.6K | +74% | +$59.7K |
| D | 2024-08-26 | 2024-08-22 | VERX | Vertex, Inc. | Stamm John Richard | Dir | S - Sale+OE | $35.95 | -16.0K | 21.6K | -43% | -$575.2K |
| 2024-06-14 | 2024-06-12 | VERX | Vertex, Inc. | Stamm John Richard | Dir | A - Grant | $0.00 | +5,705 | 21.6K | +36% | $0 | |
| 2024-03-07 | 2024-03-05 | VERX | Vertex, Inc. | Stamm John Richard | Dir | S - Sale | $29.48 | -6,500 | 15.9K | -29% | -$191.6K | |
| 2023-12-19 | 2023-12-15 | VERX | Vertex, Inc. | Stamm John Richard | Dir | S - Sale | $26.85 | -10.0K | 22.4K | -31% | -$268.5K | |
| 2023-08-30 | 2023-08-28 | VERX | Vertex, Inc. | Stamm John Richard | Dir | S - Sale | $22.41 | -10.7K | 32.4K | -25% | -$239.6K | |
| 2023-06-15 | 2023-06-13 | VERX | Vertex, Inc. | Stamm John Richard | Dir | A - Grant | $0.00 | +8,815 | 43.1K | +26% | $0 | |
| 2023-03-15 | 2023-03-13 | VERX | Vertex, Inc. | Stamm John Richard | Dir | S - Sale | $18.37 | -11.8K | 34.3K | -26% | -$217.6K | |
| 2022-06-15 | 2022-06-14 | VERX | Vertex, Inc. | Stamm John Richard | Dir | A - Grant | $0.00 | +15.1K | 46.1K | +49% | $0 | |
| 2021-12-06 | 2021-12-03 | VERX | Vertex, Inc. | Stamm John Richard | Dir | S - Sale | $16.88 | -12.0K | 31.0K | -28% | -$202.6K | |
| 2021-08-25 | 2021-08-19 | VERX | Vertex, Inc. | Stamm John Richard | Dir | S - Sale | $19.17 | -8,678 | 43.0K | -17% | -$166.4K |
Purchase Sale Sale after option exercise All abbreviations