LONGNECKER BRENT M (CIK 1218777) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-15). Recent activity: Sell GNPX (8 shares), Sell GNPX (10 shares), Buy GNPX (9,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-15 | Genprex, Inc. (GNPX) | Director | Sell | 8 | $10 |
| 2026-04-15 | Genprex, Inc. (GNPX) | Director | Sell | 10 | $12 |
| 2025-12-23 | Genprex, Inc. (GNPX) | Director | Buy | 9,000 | $0 |
Source: SEC Form 4 filings · as of 2026-04-15