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Schlumberger (SLB)Chief Legal Officer & Sec sold ~$1.43M

Dianne B. Ralston, Chief Legal Officer & Sec at Schlumberger, sold ~$1.43M of Schlumberger shares.

~$1.43M
Approx. value · 40K sh @ $36.08
202K
Holds after · shares reported
Traded
Sep 12, 2025
Filed
Sep 12, 2025

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. Mar 18, 2025Congress · 1 personMembers of Congress: 2 sales
  2. Jul 16, 2025Congress · 1 personMembers of Congress: 2 purchases
  3. Jul 22, 2025Congress · 1 personMembers of Congress: 2 sales
  4. Aug 5, 2025CongressDisclosed sale of SLB — reported range $1,001 - $15,000
  5. Sep 12, 2025 · this disclosureInsiderOfficer sold ~$1.43M of SLB shares in the open market

What came next

  1. Sep 25, 2025CongressDisclosed purchase of SLB — reported range $1,001 - $15,000
  2. Oct 10, 2025Company filing · Form 8-K · Executive change, Bylaws or charterChanged a top executive or board member, and changed its bylaws, charter or fiscal year“On October 10, 2025, the Board of Directors (the “Board”) of SLB Limited (“SLB” or the “Company”) elected Ms. Mamatha Chamarthi to serve as a member of the Board, effective immediately.”
  3. Oct 12, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“On October 12, 2025, Ms. Mamatha Chamarthi resigned from the Board of Directors of SLB Limited (“SLB”). Ms. Chamarthi’s resignation is not a result of any disagreement with SLB.”
  4. Oct 17, 2025Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
  5. Oct 30, 20255% stakeThe Vanguard Group reported a passive stake (13G) of 12.4%
  6. Oct 30, 2025Congress · 1 personMembers of Congress: 1 purchase, 1 sale
  7. Oct 31, 2025CongressDisclosed sale of SLB — reported range $1,001 - $15,000
  8. Nov 11, 2025InsiderOfficer sold ~$2.26M of SLB shares in the open market
  9. Nov 13, 2025InsiderCFO sold ~$1.41M of SLB shares in the open market
  10. Nov 14, 20255% stakeT. Rowe Price Associates, Inc. reported a passive stake (13G) of 4.0%
  11. Nov 26, 2025InsiderDirector sold ~$197K 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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OQRO describes public disclosures and context calculated from them. It does not give personalized advice and does not recommend any transaction. How OQRO treats data