Stamm John Richard has filed 19 insider transactions across 1 company since March 2023.
Most recent transaction: a grant/award of 5327 shares of Vertex, Inc. ($VERX) on June 11, 2025.
Activity breakdown: 0 open-market purchases and 9 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| June 11, 2025 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | A | Class A Common Stock | 5327 | $0.00 | 17,047.0000 | 26,359,623 | 45.45% | 0.02% |
| Dec. 6, 2024 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | S | Class A Common Stock | 3815 | $56.11 | 11,720.0000 | 26,359,623 | 24.56% | 0.01% |
| Nov. 22, 2024 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | G | Class A Common Stock | 1100 | $0.00 | 15,535.0000 | 26,359,623 | 6.61% | 0.00% |
| Nov. 22, 2024 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | M | Class A Common Stock | 2500 | $3.73 | 18,035.0000 | 26,359,623 | 16.09% | 0.01% |
| Nov. 22, 2024 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | S | Class A Common Stock | 2500 | $53.81 | 15,535.0000 | 26,359,623 | 13.86% | 0.01% |
| Nov. 22, 2024 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | M | Stock Option | 2500 | $0.00 | 18,623.0000 | 26,359,623 | 11.84% | 0.01% |
| Sept. 12, 2024 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | S | Class A Common Stock | 5000 | $35.41 | 16,635.0000 | 26,359,623 | 23.11% | 0.02% |
| Sept. 12, 2024 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | M | Class A Common Stock | 5000 | $3.73 | 21,635.0000 | 26,359,623 | 30.06% | 0.02% |
| Sept. 12, 2024 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | S | Class A Common Stock | 5000 | $35.44 | 16,635.0000 | 26,359,623 | 23.11% | 0.02% |
| Sept. 12, 2024 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | M | Stock Option | 5000 | $0.00 | 21,123.0000 | 26,359,623 | 19.14% | 0.02% |
| Aug. 22, 2024 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | M | Class A Common Stock | 16000 | $3.73 | 37,635.0000 | 26,359,623 | 73.95% | 0.06% |
| Aug. 22, 2024 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | S | Class A Common Stock | 16000 | $35.95 | 21,635.0000 | 26,359,623 | 42.51% | 0.06% |
| Aug. 22, 2024 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | M | Stock Option | 16000 | $0.00 | 26,123.0000 | 26,359,623 | 37.98% | 0.06% |
| June 12, 2024 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | A | Class A Common Stock | 5705 | $0.00 | 21,635.0000 | 26,359,623 | 35.81% | 0.02% |
| March 5, 2024 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | S | Class A Common Stock | 6500 | $29.48 | 15,930.0000 | 26,359,623 | 28.98% | 0.02% |
| Dec. 15, 2023 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | S | Class A Common Stock | 10000 | $26.85 | 22,430.0000 | 26,359,623 | 30.84% | 0.04% |
| Aug. 28, 2023 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | S | Class A Common Stock | 10691 | $22.41 | 32,430.0000 | 26,359,623 | 24.79% | 0.04% |
| June 13, 2023 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | A | Class A Common Stock | 8815 | $0.00 | 43,121.0000 | 26,359,623 | 25.70% | 0.03% |
| March 13, 2023 | Vertex, Inc. | $VERX | Stamm John Richard | Not found | S | Class A Common Stock | 11843 | $18.37 | 34,306.0000 | 26,359,623 | 25.66% | 0.04% |