SLB (SLB) legal chief reports award of 47,437 shares and sale of 18,617

Rhea-AI Filing Summary

SLB Limited’s Chief Legal Officer & Secretary, Dianne B. Ralston, reported several stock transactions in SLB common shares. On January 23, 2026, she received 47,437 shares at $0 per share upon achievement of performance criteria tied to performance share units granted on January 18, 2023.

Also on January 23, 2026, 17,667 shares were disposed of at $50.25 per share in a transaction coded “F”, typically used for shares withheld to cover taxes on vesting. On January 26, 2026, she sold 18,617 shares at $49.5 per share in an open-market transaction coded “S”. After these transactions, she directly owned 224,097 SLB common shares.

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

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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 TX 77056

(City) (State) (Zip)

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

3. Date of Earliest Transaction (Month/Day/Year)
01/23/2026

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

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

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

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	01/23/2026		A		47,437(1)	A	$0	260,381	D
Common Stock, $0.01 Par Value Per Share	01/23/2026		F		17,667	D	$50.25	242,714	D
Common Stock, $0.01 Par Value Per Share	01/26/2026		S		18,617	D	$49.5	224,097	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:

1. Shares of common stock issued to the reporting person on January 23, 2026 upon achievement of the performance criteria and vesting of performance share units granted on January 18, 2023.

	/s/ LaToyia Tilley, Attorney-in-Fact	01/27/2026
	** 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.
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FAQ

What insider transactions did SLB’s Dianne B. Ralston report on January 23, 2026?

Dianne B. Ralston reported receiving 47,437 SLB common shares at $0 on January 23, 2026. These were issued after performance criteria were met for performance share units originally granted on January 18, 2023, increasing her directly held share count before other same-day transactions.

Why did SLB insider Dianne B. Ralston dispose of 17,667 shares at $50.25?

Ralston disposed of 17,667 SLB shares at $50.25 per share in a transaction coded “F.” Such codes usually indicate shares withheld to satisfy tax obligations from vesting awards, aligning the disposition directly with the performance share unit vesting on January 23, 2026.

How many SLB shares did Dianne B. Ralston sell on January 26, 2026?

On January 26, 2026, Ralston sold 18,617 SLB common shares at $49.5 per share in an open-market sale coded “S.” This transaction followed earlier award-related activity, adjusting her overall holdings after receiving and then disposing of certain vested shares.

How many SLB shares does Dianne B. Ralston own after these Form 4 transactions?

After the reported transactions, Ralston directly owns 224,097 SLB common shares. This figure reflects the net result of receiving 47,437 vested award shares and disposing of 17,667 shares in a tax-related transaction plus 18,617 shares sold in the open market.

What triggered the issuance of 47,437 SLB shares to Dianne B. Ralston?

The 47,437 SLB shares were issued when performance criteria tied to performance share units granted on January 18, 2023 were achieved. Upon vesting on January 23, 2026, those units converted into common stock, increasing Ralston’s direct ownership before subsequent disposals.

What role does Dianne B. Ralston hold at SLB in connection with these insider trades?

Ralston serves as SLB’s Chief Legal Officer & Secretary, making her a reporting officer for insider transactions. Her role requires public disclosure of equity awards, vesting events, and share sales, as reflected in the reported January 2026 transactions involving SLB common stock.