Dianne B. Ralston Net Worth
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Dianne B. Ralston has an estimated net worth of at least $11.6 million*, as of Oct. 29, 2025. They own 224,097 shares of SLB stock. They have sold 124,883 shares of SLB stock since 2021, for an estimated $4.3 million.
Dianne B. Ralston $SLB SEC Form 4 Insider Trading
Dianne B. Ralston has filed a total of 5 insider trades in $SLB since 2021. Their most recent trade was a sale of 18,617 shares, made on Jan 26, 2026. Their largest trade was a sale of 43,161 shares, made on Jan 21, 2025. We estimate that they now own 224,097 shares of $SLB, worth an estimated $7.3 million.
Insider Trading at $SLB
There have been a total of 92 insider trades reported at $SLB since 2021, with 1,616 shares purchased and 2.0 million shares sold. The most active insider traders in $SLB stock have been Stephane Biguet, Mogharbel Khaled Al, and Gavin Rennick. The most recent trade was a sale of 25,000 shares reported by Peuch Olivier Le (Chief Executive Officer), made on Jan 28, 2026.
History of Insider Stock Trades by Dianne B. Ralston
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
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
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Stephane Biguet, EVP & CFO
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Mogharbel Khaled Al, EVP, Geographies
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Gavin Rennick, President New Energy
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Howard Guild, Chief Accounting Officer
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Abdellah Merad, EVP, Core Services & Equipment
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Rajeev Sonthalia, Pres Digital & Integration
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Katharina Beumelburg, Chief Sustainability Officer
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Vijay Kasibhatla, Director, M&A
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Dianne B. Ralston, Chief Legal Officer & Sec
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Kevin Fyfe, VP & Treasurer
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Peuch Olivier Le, Chief Executive Officer
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Demosthenis Pafitis, Chief Technology Officer
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Pierre Chereque, VP, Director of Tax
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Bejar Carmen Rando, Chief People Officer
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Ugo Prechner, VP Controller
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Aparna Raman, Chief Strategy & Mktg Officer
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Kevin Fyfe, VP Controller
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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.