Westphal Jeffrey actively traded Vertex Inc ($VERX) shares on the open market over the last year, buying about $5.1 million worth in two transactions, with the latest on February 17, 2026. His purchases rank 166th among 4,983 individual insiders, above the average of $1.5 million across 3.29 trades. He also sold roughly $115.4 million in three transactions, most recently on June 9, 2025, ranking 142nd among 11,678 insiders versus their $8.6 million average over 6.37 trades.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 13, 2026 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | P | Class A Common Stock | 247740 | $13.08 | 255,635.0000 | 26,359,623 | 3137.94% | 0.94% |
| Feb. 17, 2026 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | P | Class A Common Stock | 150000 | $12.53 | 405,635.0000 | 26,359,623 | 58.68% | 0.57% |
| June 9, 2025 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | S | Class A Common Stock | 1153756 | $38.45 | 7,895.0000 | 26,359,623 | 99.32% | 4.38% |
| June 9, 2025 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | C | Class A Common Stock | 332244 | $0.00 | 340,139.0000 | 26,359,623 | 4208.28% | 1.26% |
| June 9, 2025 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | S | Class A Common Stock | 332244 | $38.45 | 7,895.0000 | 26,359,623 | 97.68% | 1.26% |
| June 9, 2025 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | C | Class B Common Stock | 1514000 | $0.00 | 1,513,927.0000 | 26,359,623 | 50.00% | 5.74% |
| June 9, 2025 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | C | Class B Common Stock | 1153756 | $0.00 | 1,513,927.0000 | 26,359,623 | 43.25% | 4.38% |
| June 9, 2025 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | C | Class B Common Stock | 332244 | $0.00 | 1,513,927.0000 | 26,359,623 | 18.00% | 1.26% |
| June 9, 2025 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | C | Class A Common Stock | 1514000 | $0.00 | 1,521,895.0000 | 26,359,623 | 9999.99% | 5.74% |
| June 9, 2025 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | C | Class A Common Stock | 1153756 | $0.00 | 1,161,651.0000 | 26,359,623 | 9999.99% | 4.38% |
| June 9, 2025 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | S | Class A Common Stock | 1514000 | $38.45 | 7,895.0000 | 26,359,623 | 99.48% | 5.74% |
| Dec. 20, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | C | Class B Common Stock | 450000 | $0.00 | 4,513,927.0000 | 26,359,623 | 9.07% | 1.71% |
| Dec. 31, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | G | Class A Common Stock | 450000 | $0.00 | 7,895.0000 | 26,359,623 | 98.28% | 1.71% |
| Dec. 20, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | C | Class A Common Stock | 450000 | $0.00 | 457,895.0000 | 26,359,623 | 5699.81% | 1.71% |
| Dec. 20, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | C | Class A Common Stock | 450000 | $0.00 | 457,895.0000 | 26,359,623 | 5699.81% | 1.71% |
| Dec. 20, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | C | Class B Common Stock | 450000 | $0.00 | 4,513,927.0000 | 26,359,623 | 9.07% | 1.71% |
| Dec. 12, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | S | Class A Common Stock | 575000 | $53.01 | 7,895.0000 | 26,359,623 | 98.65% | 2.18% |
| Dec. 12, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | C | Class B Common Stock | 575000 | $0.00 | 4,963,927.0000 | 26,359,623 | 10.38% | 2.18% |
| Dec. 12, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | Other | C | Class A Common Stock | 575000 | $0.00 | 582,895.0000 | 26,359,623 | 7283.09% | 2.18% |
| Nov. 11, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | TenPercentOwner | S | Class A Common Stock | 2485000 | $48.90 | 7,895.0000 | 26,359,623 | 99.68% | 9.43% |
| Nov. 11, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | TenPercentOwner | C | Class B Common Stock | 2485000 | $0.00 | 5,538,927.0000 | 26,359,623 | 30.97% | 9.43% |
| Nov. 11, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | TenPercentOwner | C | Class A Common Stock | 2485000 | $0.00 | 2,492,895.0000 | 26,359,623 | 9999.99% | 9.43% |
| Oct. 3, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | TenPercentOwner | C | Class B Common Stock | 170359 | $0.00 | 8,902,927.2370 | 26,359,623 | 1.88% | 0.65% |
| Oct. 3, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | TenPercentOwner | C | Class A Common Stock | 170359 | $0.00 | 1,232,895.0000 | 26,359,623 | 16.03% | 0.65% |
| Oct. 3, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | TenPercentOwner | S | Class A Common Stock | 1225000 | $39.42 | 7,895.0000 | 26,359,623 | 99.36% | 4.65% |
| July 23, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | TenPercentOwner | S | Class A Common Stock | 1500000 | $37.81 | 1,062,536.0000 | 26,359,623 | 58.54% | 5.69% |
| June 5, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | TenPercentOwner | S | Class A Common Stock | 1500000 | $32.93 | 2,562,536.0000 | 26,359,623 | 36.92% | 5.69% |
| April 30, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | TenPercentOwner | C | Class B Common Stock | 2500000 | $0.00 | 9,073,286.2370 | 26,359,623 | 21.60% | 9.48% |
| April 30, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | TenPercentOwner | C | Class A Common Stock | 2500000 | $0.00 | 4,062,536.0000 | 26,359,623 | 160.00% | 9.48% |
| April 5, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | TenPercentOwner | S | Class A Common Stock | 791133 | $30.05 | 1,562,536.0000 | 26,359,623 | 33.61% | 3.00% |
| March 4, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | TenPercentOwner | S | Class A Common Stock | 2291537 | $31.55 | 2,353,669.0000 | 26,359,623 | 49.33% | 8.69% |
| March 1, 2024 | Vertex, Inc. | $VERX | Westphal Jeffrey | TenPercentOwner | S | Class A Common Stock | 124770 | $33.74 | 4,645,206.0000 | 26,359,623 | 2.62% | 0.47% |
| Dec. 6, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | W | Class B Common Stock | 789000 | $0.00 | 11,573,286.2370 | 26,359,623 | 7.32% | 2.99% |
| Nov. 14, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 822298 | $26.06 | 4,769,976.0000 | 26,359,623 | 14.70% | 3.12% |
| Nov. 14, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 1076727 | $26.06 | 4,769,976.0000 | 26,359,623 | 18.42% | 4.08% |
| Oct. 2, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 1103475 | $22.32 | 6,669,001.0000 | 26,359,623 | 14.20% | 4.19% |
| July 12, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 80618 | $18.90 | 7,772,476.0000 | 26,359,623 | 1.03% | 0.31% |
| Aug. 2, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | C | Class B Common Stock | 879000 | $0.00 | 10,784,286.2370 | 26,359,623 | 7.54% | 3.33% |
| Aug. 2, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | C | Class A Common Stock | 879000 | $0.00 | 7,772,278.0000 | 26,359,623 | 12.75% | 3.33% |
| July 14, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 89236 | $18.66 | 6,893,278.0000 | 26,359,623 | 1.28% | 0.34% |
| July 12, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 80816 | $18.90 | 7,137,660.0000 | 26,359,623 | 1.12% | 0.31% |
| July 13, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 155146 | $18.91 | 6,982,514.0000 | 26,359,623 | 2.17% | 0.59% |
| June 30, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 8798 | $19.92 | 7,218,476.0000 | 26,359,623 | 0.12% | 0.03% |
| June 30, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 600000 | $19.07 | 7,218,476.0000 | 26,359,623 | 7.67% | 2.28% |
| June 28, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 800000 | $18.26 | 7,827,274.0000 | 26,359,623 | 9.27% | 3.03% |
| March 14, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 23884 | $18.67 | 10,112,763.0000 | 26,359,623 | 0.24% | 0.09% |
| March 16, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 160000 | $18.74 | 9,842,438.0000 | 26,359,623 | 1.60% | 0.61% |
| March 15, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 110325 | $18.51 | 10,002,438.0000 | 26,359,623 | 1.09% | 0.42% |
| March 16, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 1215164 | $17.62 | 8,627,274.0000 | 26,359,623 | 12.35% | 4.61% |
| March 8, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 62857 | $18.63 | 10,171,731.0000 | 26,359,623 | 0.61% | 0.24% |
| March 9, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 35084 | $18.85 | 10,136,647.0000 | 26,359,623 | 0.34% | 0.13% |
| March 1, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 38916 | $15.73 | 10,284,588.0000 | 26,359,623 | 0.38% | 0.15% |
| Feb. 28, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 44391 | $15.82 | 10,323,504.0000 | 26,359,623 | 0.43% | 0.17% |
| March 2, 2023 | Vertex, Inc. | $VERX | Westphal Jeffery | TenPercentOwner | S | Class A Common Stock | 50000 | $15.66 | 10,234,588.0000 | 26,359,623 | 0.49% | 0.19% |