SLB legal chief Dianne B. Ralston sells 20,986 shares

After the transaction, SLB's Chief Legal Officer & Sec had 205,053 directly held common shares.

Available on EDGAR 10/30/2026 - 06:07 PM EDT Accepted by SEC EDGAR 10/30/2026 - 06:06 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

SLB LIMITED/NV (SLB) Chief Legal Officer & Sec Dianne B. Ralston sold 20,986 shares of common stock on October 30, 2026, at $53.57 per share. The shares were held directly, and her reported direct holdings after the sale were 205,053 shares. No Rule 10b5-1 plan is reported. The transaction involved non-derivative common stock.

Insider Trade Summary

Net Seller: 20,986 shares

Net Sell 1 txn

Insider Ralston Dianne B.

Role Chief Legal Officer & Sec

Sold 20,986 shs ($1.12M)

Type	Security	Shares	Price	Value
Sale	Common Stock, $0.01 Par Value Per Share	20,986	$53.57	$1.12M

Holdings After Transaction: Common Stock, $0.01 Par Value Per Share — 205,053 shares (Direct)

Key Figures

Common shares sold: 20,986 shares Sale price: $53.57 per share Direct common shares following sale: 205,053 shares

3 metrics

Common shares sold 20,986 shares Sale on October 30, 2026

Sale price $53.57 per share Sale on October 30, 2026

Direct common shares following sale 205,053 shares After the sale on October 30, 2026

Key Terms

Par value, Rule 10b5-1 plan, Non-derivative

3 terms

Par value financial

"Common Stock, $0.01 Par Value Per Share"

Par value is the fixed amount printed on a bond or stock that represents its original value when issued. It’s like the face value of a coin or bill—what the issuer promises to pay back or the starting price of a stock—though it often doesn’t change with market prices. It matters because it helps determine certain financial details, like how much the company will pay back at maturity.

Rule 10b5-1 plan regulatory

"No Rule 10b5-1 plan is reported"

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

Non-derivative financial

"non-derivative common stock"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many SLB shares did Dianne B. Ralston sell, and at what price?

Dianne B. Ralston, SLB LIMITED/NV's Chief Legal Officer & Sec, sold 20,986 shares of common stock on October 30, 2026, at $53.57 per share. The shares were held directly, and no Rule 10b5-1 plan is reported.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Ralston Dianne B.

(Last) (First) (Middle)

5599 SAN FELIPE, 17TH FLOOR

(Street)

HOUSTON TEXAS 77056

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
SLB LIMITED/NV [ SLB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Legal Officer & Sec

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/30/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, $0.01 Par Value Per Share	10/30/2026		S		20,986	D	$53.57	205,053	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Samantha Blons, Attorney-in-Fact	10/30/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)