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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
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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*
Andrews Mark D

(Last) (First) (Middle)
C/O NABORS CORPORATE SERVICES, INC
515 WEST GREENS ROAD

(Street)
HOUSTON TX 77067

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
NABORS INDUSTRIES LTD [ NBR ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
CORPORATE SECRETARY
3. Date of Earliest Transaction (Month/Day/Year)
12/31/2025
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 12/31/2025 D(1) 1,582(1) D $0 18,113 D
Common Stock 01/01/2026 M(2) 1,642(2) A $0 19,755 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
2023 Long Term Performance Share Units (3) 01/01/2026 A(4) 1,642(4) (3) (3) Common Stock 1,642 $0 1,642 D
2023 Long Term Performance Share Units (3) 01/01/2026 M(2) 1,642(2) (3) (3) Common Stock 1,642 $0 0 D
Explanation of Responses:
1. Represents the number of TSR shares forfeited on December 31, 2025, out of a total of 1,582 TSR shares originally granted to the Reporting Person on February 14, 2023, based on the Issuer's relative total shareholder return as compared to a peer group of companies during the three-year performance period beginning on January 1, 2023 and ending on December 31, 2025, as determined on December 31, 2025, by the Compensation Committee of the Issuer's Board of Directors (the "Compensation Committee").
2. Represents the aggregate number of Long Term 2023 Performance restricted stock units originally granted on May 18, 2023, the vesting of which was subject to the achievement of certain ROIC performance criteria, that have been earned as a result of the achievement of the applicable performance criteria. All of such shares have fully vested as of January 1, 2026.
3. Performance restricted stock units convert into common shares on a 1-for-1 basis.
4. On May 18, 2023, the Reporting Person was granted Performance restricted stock units, the vesting of which is subject to the achievement of certain ROIC performance criteria for a three year performance period beginning on January 1, 2023 and ending on December 31, 2025. The number of shares reported in this line item represents the number of Performance restricted stock units that were earned as a result of the achievement of such performance criteria.
/s/ Mark D. Andrews 01/05/2026
** 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).
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