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Insider trade

Schlumberger (SLB)Chief Legal Officer & Sec sold ~$922K

Dianne B. Ralston, Chief Legal Officer & Sec at Schlumberger, sold ~$922K of Schlumberger shares.

~$922K
Approx. value · 19K sh @ $49.50
224K
Holds after · shares reported
Traded
Jan 26, 2026
Filed
Jan 27, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. Oct 23, 2024CongressDisclosed purchase of SLB — reported range $1,001 - $15,000
  2. Feb 24, 2025CongressDisclosed sale of SLB — reported range $1,001 - $15,000
  3. Nov 26, 2025InsiderDirector sold ~$197K of SLB shares in the open market
  4. Jan 23, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
  5. Jan 26, 2026 · this disclosureInsiderOfficer sold ~$922K of SLB shares in the open market

What came next

  1. Jan 26, 2026Insider · 4 peopleInsiders: 4 sales (~$6.9M)
  2. Jan 28, 2026Insider · First sale since 2019CEO sold ~$1.26M of SLB shares in the open market
  3. Feb 25, 2026InsiderCEO sold ~$1.3M of SLB shares in the open market
  4. Mar 25, 2026Insider · 2 peopleInsiders: 2 sales (~$1.4M)
  5. Mar 26, 2026InsiderDirector sold ~$104K of SLB shares in the open market
  6. Mar 27, 20265% stakeThe Vanguard Group reported a passive stake (13G)
  7. Apr 24, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
  8. Apr 29, 2026InsiderCEO sold ~$1.41M of SLB shares in the open market
  9. Apr 30, 20265% stakeVanguard Capital Management reported a passive stake (13G) of 7.5%
  10. May 1, 2026Insider · 1 personInsiders: 2 sales (~$3.0M)
  11. May 7, 2026InsiderDirector sold ~$109K of SLB shares in the open market
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Schlumberger

For Schlumberger, OQRO holds 5 insider filings (SEC Form 4 or Form 144) and 38 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its SLB page.

Other recent filings by Dianne B. Ralston, Chief Legal Officer & Sec

The full history of Dianne B. Ralston, Chief Legal Officer & Sec is on the profile page.

How this filing works

Other disclosures at Schlumberger

Everything OQRO holds on this company is on its SLB page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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