SLB (NYSE: SLB) legal chief receives PSU stock award, pays taxes

Rhea-AI Filing Summary

SLB LIMITED/NV Chief Legal Officer & Secretary Dianne B. Ralston received an award of 3,203 shares of common stock on March 13, 2026, with no purchase price listed. On the same date, 1,261 shares were withheld at $44.22 per share to cover tax obligations.

After these compensation-related transactions, she directly holds 226,039 shares of SLB common stock. The awarded shares relate to performance share units granted on January 18, 2023, whose vesting was tied to three-year company performance versus key competitors. The shares reported here represent the final amount earned under those PSUs after all competitors’ 2025 audited results were available.

Insider Trade Summary

Net Buyer: 1,942 shares

Net Buy 2 txns

Insider Ralston Dianne B.

Role Chief Legal Officer & Sec

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, $0.01 Par Value Per Share	3,203	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock, $0.01 Par Value Per Share	1,261	$44.22	$56K

Holdings After Transaction: Common Stock, $0.01 Par Value Per Share — 226,039 shares (Direct)

Footnotes (1)

1. F1. The Company granted performance share units ("PSUs") to the reporting person on January 18, 2023. Vesting of the PSUs was based on three-year Company performance relative to select key competitors. Most of these competitors had not reported their 2025 audited financial results when the Company's compensation committee met in January 2026 to certify performance under the PSUs. As a result, the Company's compensation committee approved the issuance of 80% of the shares that the committee determined had been earned according to the information available to the committee at the time. As of March 13, 2026, all such competitors had reported their 2025 audited financial results. Shares of common stock reported hereunder represent shares finally determined to have been earned under the PSUs.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 03/17/2026 - 05:14 PM Learn about SEC filing dates

FAQ

What insider transactions did SLB (SLB) report for Dianne B. Ralston?

SLB reported that Chief Legal Officer & Secretary Dianne B. Ralston received an award of 3,203 shares of common stock, with 1,261 shares withheld to cover taxes. Following these compensation-related entries, she directly owns 226,039 SLB common shares.

Were the SLB Form 4 transactions open-market buys or sells?

The Form 4 shows no open-market buys or sells. It records a 3,203-share stock award and a 1,261-share tax-withholding disposition, both tied to vested performance share units, rather than discretionary trading in SLB shares.

How many SLB shares does Dianne B. Ralston hold after these transactions?

After the March 13, 2026 transactions, Dianne B. Ralston directly holds 226,039 shares of SLB common stock. This total reflects the net effect of the 3,203-share award and the 1,261-share tax-withholding entry reported in the Form 4.

What are the performance share units (PSUs) mentioned in SLB’s Form 4 filing?

The performance share units were granted on January 18, 2023, with vesting based on three-year SLB performance versus selected key competitors. The shares reported now are the final amount determined to have been earned once all competitors’ 2025 audited financial results were available.

Why were only some SLB PSU shares issued earlier and more issued now?

SLB’s compensation committee initially issued 80% of the shares it believed were earned, before all competitors’ 2025 audited results were available. Once those results were complete by March 13, 2026, the committee finalized performance and issued the remaining earned shares reported here.

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 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)
03/13/2026

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	03/13/2026		A		3,203(1)	A	$0	227,300	D
Common Stock, $0.01 Par Value Per Share	03/13/2026		F		1,261	D	$44.22	226,039	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. The Company granted performance share units ("PSUs") to the reporting person on January 18, 2023. Vesting of the PSUs was based on three-year Company performance relative to select key competitors. Most of these competitors had not reported their 2025 audited financial results when the Company's compensation committee met in January 2026 to certify performance under the PSUs. As a result, the Company's compensation committee approved the issuance of 80% of the shares that the committee determined had been earned according to the information available to the committee at the time. As of March 13, 2026, all such competitors had reported their 2025 audited financial results. Shares of common stock reported hereunder represent shares finally determined to have been earned under the PSUs.

	/s/ LaToyia Tilley, Attorney-in-Fact	03/17/2026
	** 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.