Westphal Jeffrey (CIK 1818851) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-18). Recent activity: Buy VERX (150,000 shares), Buy VERX (247,740 shares), Sell VERX (1.5M shares), Buy VERX (1.5M shares), Buy VERX (1.2M shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-18 | Vertex, Inc. (VERX) | Insider | Buy | 150,000 | $1.9M |
| 2026-02-18 | Vertex, Inc. (VERX) | Insider | Buy | 247,740 | $3.2M |
| 2025-06-11 | Vertex, Inc. (VERX) | Insider | Sell | 1.5M | $58.2M |
| 2025-06-11 | Vertex, Inc. (VERX) | Insider | Buy | 1.5M | $0 |
| 2025-06-11 | Vertex, Inc. (VERX) | Insider | Buy | 1.2M | $0 |
| 2025-06-11 | Vertex, Inc. (VERX) | Insider | Sell | 1.2M | $44.4M |
| 2025-06-11 | Vertex, Inc. (VERX) | Insider | Buy | 332,244 | $0 |
| 2025-06-11 | Vertex, Inc. (VERX) | Insider | Sell | 332,244 | $12.8M |
Source: SEC Form 4 filings · as of 2026-02-18