Gresham Gwendolyn (CIK 1842114) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-01-05). Recent activity: Sell CLB (19,301 shares), Buy CLB (24,952 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-05 | Core Laboratories Inc. /DE/ (CLB) | SVP | Sell | 19,301 | $309,395 |
| 2026-01-05 | Core Laboratories Inc. /DE/ (CLB) | SVP | Buy | 24,952 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-01-05