Ralston Dianne B. (CIK 1614246) reported 15 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-17). Recent activity: Buy SLB (3,203 shares), Sell SLB (1,261 shares), Buy SLB (47,437 shares), Sell SLB (17,667 shares), Sell SLB (18,617 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-17 | SLB LIMITED/NV (SLB) | Chief Legal Officer & Sec | Buy | 3,203 | $0 |
| 2026-03-17 | SLB LIMITED/NV (SLB) | Chief Legal Officer & Sec | Sell | 1,261 | $55,761 |
| 2026-01-27 | SLB LIMITED/NV (SLB) | Chief Legal Officer & Sec | Buy | 47,437 | $0 |
| 2026-01-27 | SLB LIMITED/NV (SLB) | Chief Legal Officer & Sec | Sell | 17,667 | $887,767 |
| 2026-01-27 | SLB LIMITED/NV (SLB) | Chief Legal Officer & Sec | Sell | 18,617 | $921,542 |
| 2026-01-20 | SLB LIMITED/NV (SLB) | Chief Legal Officer & Sec | Buy | 14,427 | $0 |
| 2026-01-20 | SLB LIMITED/NV (SLB) | Chief Legal Officer & Sec | Sell | 3,684 | $171,859 |
| 2025-09-12 | SCHLUMBERGER LIMITED/NV (SLB) | Chief Legal Officer & Sec | Sell | 39,727 | $1.4M |
| 2025-03-11 | SCHLUMBERGER LIMITED/NV (SLB) | Chief Legal Officer & Sec | Buy | 11,384 | $0 |
| 2025-03-11 | SCHLUMBERGER LIMITED/NV (SLB) | Chief Legal Officer & Sec | Sell | 4,480 | $183,098 |
| 2025-01-21 | SCHLUMBERGER LIMITED/NV (SLB) | Chief Legal Officer & Sec | Buy | 68,420 | $0 |
| 2025-01-21 | SCHLUMBERGER LIMITED/NV (SLB) | Chief Legal Officer & Sec | Sell | 23,613 | $1.0M |
| 2025-01-21 | SCHLUMBERGER LIMITED/NV (SLB) | Chief Legal Officer & Sec | Buy | 22,321 | $0 |
| 2025-01-21 | SCHLUMBERGER LIMITED/NV (SLB) | Chief Legal Officer & Sec | Sell | 8,784 | $378,151 |
| 2025-01-21 | SCHLUMBERGER LIMITED/NV (SLB) | Chief Legal Officer & Sec | Sell | 43,161 | $1.9M |
Source: SEC Form 4 filings · as of 2026-03-17