Dianne B. Ralston
Chief Legal Officer & Sec · SLB LIMITED/NV
- 2025
- Mar 17, 2026
- 5
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Dianne B. Ralston files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Peuch Olivier le - $10.65M in SLB purchases and sales in the last 12 months
- Abdellah Merad - $5.24M in SLB purchases and sales in the last 12 months
- Stephane Biguet - $4.45M in SLB purchases and sales in the last 12 months
- Steve Matthew Gassen - $3.00M in SLB purchases and sales in the last 12 months
- Howard Guild - $659K in SLB purchases and sales in the last 12 months
- la Chevardiere Patrick de - $518K in SLB purchases and sales in the last 12 months
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Frequently asked questions
Who is Dianne B. Ralston?
Dianne B. Ralston is a corporate insider, tracked as Chief Legal Officer & Sec of SLB LIMITED/NV (SLB). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Dianne B. Ralston last file a Form 4?
The most recent primary Form 4 on record is dated 17 March 2026, one of 5 filings going back to 2025.
Has Dianne B. Ralston been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($2.35M) across all tracked filings.
