Schlumberger Limited
US ˙ NYSE ˙ AN8068571086

SecuritySLB / Schlumberger Limited
InsiderRalston Dianne B.
This page shows the track record and history of Ralston Dianne B. insider trades in Schlumberger Limited. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Ralston Dianne B. in SLB / Schlumberger Limited. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

SLB / Schlumberger Limited Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Ralston Dianne B. in SLB / Schlumberger Limited. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
2025-09-12 39,727 36.0800 39,727 36.0800 1,433,350 7 34.4300 -65,549 -4.57
2025-01-21 43,161 43.9600 43,161 43.9600 1,897,358
2022-12-23 10,493 52.5180 10,493 52.5180 551,071
2021-12-08 12,885 31.0410 12,885 31.0410 399,963

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

SLB / Schlumberger Limited Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-09-12 2025-09-12 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share S - Sale D 36.0800 -39,727 -1,433 202,201
2025-03-11 2025-03-07 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share F - Taxes D 40.8700 -4,480 -183 241,928
2025-03-11 2025-03-07 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share A - Award D 11,384 246,408
2025-01-21 2025-01-21 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share S - Sale D 43.9600 -43,161 -1,897 235,024
2025-01-21 2025-01-17 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share F - Taxes D 43.0500 -8,784 -378 278,185
2025-01-21 2025-01-17 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share M - Exercise D 22,321 286,969
2025-01-21 2025-01-17 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share F - Taxes D 43.0500 -23,613 -1,017 264,648
2025-01-21 2025-01-17 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share A - Award D 68,420 288,261
2024-03-05 2024-03-01 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share F - Taxes D 49.2600 -6,613 -326 219,841
2024-03-05 2024-03-01 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share A - Award D 16,805 226,454
2024-01-23 2024-01-20 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share F - Taxes D 49.6800 -13,226 -657 209,649
2024-01-23 2024-01-20 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share M - Exercise D 33,610 222,875
2024-01-23 2024-01-19 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share F - Taxes D 49.6800 -43,626 -2,167 189,265
2024-01-23 2024-01-19 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share A - Award D 17,340 232,891
2024-01-23 2024-01-19 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share A - Award D 100,830 215,551
2023-12-05 2023-12-01 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share F - Taxes D 52.4100 -13,617 -714 114,721
2023-12-05 2023-12-01 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share M - Exercise D 34,604 128,338
2023-03-07 2023-03-03 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share F - Taxes D 55.1700 -4,404 -243 93,734
2023-03-07 2023-03-03 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share A - Award D 11,190 98,138
2023-01-24 2023-01-20 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share F - Taxes D 57.6100 -37,141 -2,140 86,948
2023-01-24 2023-01-20 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share A - Award D 44,760 124,089
2023-01-24 2023-01-20 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share A - Award D 55,950 79,329
2022-12-23 2022-12-23 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share S - Sale D 52.5180 -10,493 -551 23,379
2022-12-02 2022-12-01 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share F - Taxes D 52.1000 -13,617 -709 33,872
2022-12-02 2022-12-01 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share M - Exercise D 34,603 47,489
2022-01-21 2022-01-19 4 Ralston Dianne B. SLB RSU (Restricted Stock Unit) A - Award D 22,321 22,321
2021-12-09 2021-12-08 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share S - Sale D 31.0410 -12,885 -400 12,886
2021-12-03 2021-12-01 4 Ralston Dianne B. SLB RSU (Restricted Stock Unit) M - Exercise D -34,603 69,207
2021-12-03 2021-12-01 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share F - Taxes D 29.1500 -8,832 -257 25,771
2021-12-03 2021-12-01 4 Ralston Dianne B. SLB Common Stock, $0.01 Par Value Per Share M - Exercise D 34,603 34,603
2021-01-22 2021-01-20 4 Ralston Dianne B. SLB RSU (Restricted Stock Unit) A - Award D 33,610 33,610
2020-12-03 2020-12-01 4 Ralston Dianne B. SLB RSU (Restricted Stock Unit) A - Award D 103,810 103,810
P
Åbent marked eller privat køb af ikke-afledte eller afledte værdipapirer
S
Åbent marked eller privat salg af ikke-afledte eller afledte værdipapirer
A
Tildeling, tildeling eller anden erhvervelse af værdipapirer fra virksomheden (såsom en option)
C
Konvertering af derivat
D
Salg eller overførsel af værdipapirer tilbage til virksomheden
F
Betaling af udnyttelseskurs eller skatteforpligtelse ved brug af en del af værdipapirer modtaget fra selskabet
G
Gave af værdipapirer af eller til insideren
K
Aktieswaps og lignende sikringstransaktioner
M
Udnyttelse eller konvertering af afledt værdipapir modtaget fra virksomheden (såsom en option)
V
En transaktion rapporteret frivilligt på formular 4
J
Andet (ledsaget af en fodnote, der beskriver transaktionen)