Dianne B. Ralston Net Worth

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Dianne B. Ralston has an estimated net worth of at least $17.3 million*, as of Oct. 28, 2026. They own 205,053 shares of SLB stock. They have sold 145,869 shares of SLB stock since 2021, for an estimated $5.2 million.

Dianne B. Ralston $SLB SEC Form 4 Insider Trading

Dianne B. Ralston has filed a total of 6 insider trades in $SLB since 2021. Their most recent trade was a sale of 20,986 shares, made on Oct 30, 2026. Their largest trade was a sale of 43,161 shares, made on Jan 21, 2025. We estimate that they now own 205,053 shares of $SLB, worth an estimated $12.1 million.

Insider Trading at $SLB

There have been a total of 109 insider trades reported at $SLB since 2021, with 1,616 shares purchased and 2.3 million shares sold. The most active insider traders in $SLB stock have been Stephane Biguet, Peuch Olivier Le, and Mogharbel Khaled Al. The most recent trade was a sale of 25,000 shares reported by Peuch Olivier Le (Chief Executive Officer), made on Nov 02, 2026.

History of Insider Stock Trades by Dianne B. Ralston

Company Ticker	Purchase / Sale	Shares	Date	Disclosed (EST)
SLB	Sale	20,986	Oct 30, 2026	Oct. 30, 2026, 6:06 p.m.
SLB	Sale	18,617	Jan 26, 2026	Jan. 27, 2026, 6:37 p.m.
SLB	Sale	39,727	Sep 12, 2025	Sept. 12, 2025, 5:28 p.m.
SLB	Sale	43,161	Jan 21, 2025	Jan. 21, 2025, 9:48 p.m.
SLB	Sale	10,493	Dec 23, 2022	Dec. 23, 2022, 8:42 p.m.
SLB	Sale	12,885	Dec 08, 2021	Dec. 9, 2021, 3:17 p.m.

$SLB Executives and Stock Owners with Insider Trades

Stephane Biguet, EVP & CFO
Peuch Olivier Le, Chief Executive Officer
Mogharbel Khaled Al, EVP, Geographies
Gavin Rennick, President New Energy
Howard Guild, Chief Accounting Officer
Abdellah Merad, EVP, Core Services & Equipment
Dianne B. Ralston, Chief Legal Officer & Sec
Rajeev Sonthalia, Pres Digital & Integration
Vijay Kasibhatla, Director, M&A
Katharina Beumelburg, Chief Sustainability Officer
Kevin Fyfe, VP & Treasurer
Demosthenis Pafitis, Chief Technology Officer
Pierre Chereque, VP, Director of Tax
Bejar Carmen Rando, Chief People Officer
Steve Matthew Gassen, EVP, Geographies
Ugo Prechner, VP Controller
Aparna Raman, Chief Strategy & Mktg Officer
Kevin Fyfe, VP Controller
Claudia Jaramillo, VP, Treasurer

*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.