DeStefano David (CIK 1818526) reported 26 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-12). Recent activity: Buy VERX (15,638 shares), Sell VERX (6,460 shares), Buy VERX (109,233 shares), Sell VERX (51,983 shares), Buy VERX (101,395 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-12 | Vertex, Inc. (VERX) | Director | Buy | 15,638 | $0 |
| 2026-06-01 | Vertex, Inc. (VERX) | Director | Sell | 6,460 | $82,365 |
| 2026-02-26 | Vertex, Inc. (VERX) | Director | Buy | 109,233 | $0 |
| 2026-02-26 | Vertex, Inc. (VERX) | Director | Sell | 51,983 | $689,295 |
| 2026-02-25 | Vertex, Inc. (VERX) | Director | Buy | 101,395 | $0 |
| 2026-02-25 | Vertex, Inc. (VERX) | Director | Sell | 47,112 | $566,757 |
| 2026-02-24 | Vertex, Inc. (VERX) | Director | Buy | 69,527 | $0 |
| 2026-02-24 | Vertex, Inc. (VERX) | Director | Sell | 23,705 | $302,002 |
| 2026-02-24 | Vertex, Inc. (VERX) | Director | Buy | 44,014 | $0 |
| 2026-02-24 | Vertex, Inc. (VERX) | Director | Sell | 12,523 | $159,543 |
| 2025-05-14 | Vertex, Inc. (VERX) | PRESIDENT & CEO | Sell | 290,797 | $10.8M |
| 2025-05-14 | Vertex, Inc. (VERX) | PRESIDENT & CEO | Buy | 132,799 | $4.3M |
| 2025-05-14 | Vertex, Inc. (VERX) | PRESIDENT & CEO | Buy | 428,396 | $1.1M |
| 2025-05-14 | Vertex, Inc. (VERX) | PRESIDENT & CEO | Sell | 64,018 | $2.4M |
| 2025-05-14 | Vertex, Inc. (VERX) | PRESIDENT & CEO | Sell | 8,301 | $320,834 |
| 2025-05-14 | Vertex, Inc. (VERX) | PRESIDENT & CEO | Buy | 186,591 | $695,984 |
| 2025-05-14 | Vertex, Inc. (VERX) | PRESIDENT & CEO | Sell | 50,571 | $1.9M |
| 2025-05-14 | Vertex, Inc. (VERX) | PRESIDENT & CEO | Sell | 58,844 | $2.2M |
| 2025-03-04 | Vertex, Inc. (VERX) | PRESIDENT & CEO | Buy | 28,568 | $0 |
| 2025-03-04 | Vertex, Inc. (VERX) | PRESIDENT & CEO | Sell | 14,613 | $471,854 |
| 2025-02-26 | Vertex, Inc. (VERX) | PRESIDENT & CEO | Buy | 109,232 | $0 |
| 2025-02-26 | Vertex, Inc. (VERX) | PRESIDENT & CEO | Sell | 55,873 | $2.4M |
| 2025-02-25 | Vertex, Inc. (VERX) | PRESIDENT & CEO | Buy | 69,527 | $0 |
| 2025-02-25 | Vertex, Inc. (VERX) | PRESIDENT & CEO | Sell | 32,278 | $1.4M |
| 2025-02-25 | Vertex, Inc. (VERX) | PRESIDENT & CEO | Buy | 101,395 | $0 |
Source: SEC Form 4 filings · as of 2026-06-12