William J. Restrepo - 01 Jan 2026 Form 4 Insider Report for NABORS INDUSTRIES LTD (NBR)

Signature
/s/ Mark D. Andrews by Power of Attorney for William Restrepo
Issuer symbol
NBR
Transactions as of
01 Jan 2026
Net transactions value
-$235,825
Form type
4
Filing time
05 Jan 2026, 09:02:42 UTC
Previous filing
12 Nov 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Restrepo William J Former Chief Financial Officer C/O NABORS CORPORATE SERVICES, INC., 515 W. GREENS RD., SUITE 1200, HOUSTON /s/ Mark D. Andrews by Power of Attorney for William Restrepo 05 Jan 2026 0001334321

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NBR Common Stock Options Exercise $0 +17,105 +15% $0.000000 128,434 01 Jan 2026 Direct F1
transaction NBR Common Stock Tax liability $235,825 -4,343 -3.4% $54.30 124,091 01 Jan 2026 Direct F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction NBR 2025 Performance Share Units Award $0 +17,105 $0.000000 17,105 01 Jan 2026 Common Stock 17,105 Direct F3, F4
transaction NBR 2025 Performance Share Units Options Exercise $0 -17,105 -100% $0.000000 0 01 Jan 2026 Common Stock 17,105 Direct F1, F3
holding NBR 2021 Warrants 44,212 01 Jan 2026 Common Stock 44,212 $166.67 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

William J. Restrepo is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id Content
F1 Reflects the number of shares vesting on January 1, 2026 in respect of the 17,105 earned and vested Performance restricted stock units originally granted on January 1, 2025.
F2 Reflects the number of shares surrendered on January 1, 2026 to satisfy the tax withholding on the vesting and issuance of 17,105 shares of the 17,105 Performance restricted stock units originally granted on January 1, 2025. The remaining 12,762 vested performance shares were retained by Mr. Restrepo.
F3 Performance restricted stock units convert into common shares on a 1-for-1 basis.
F4 These Performance restricted stock units were earned by Mr. Restrepo pursuant to his employment agreement and the terms therein upon his qualifying retirement on October 1, 2025 as Chief Financial Officer, based on the achievement of certain objectives for the year 2025, as determined on December 31, 2025, by the Compensation Committee. 185.78% of the target number of performance restricted stock units granted pursuant to the terms of Mr. Restrepo's employment agreement were determined to have been earned, subject to proration to reflect the partial year of employment. The number reported above reflects the number of earned performance restricted stock units, prorated through September 30, 2025, that are payable in share-settled restricted stock units. The Performance restricted stock units that settle in shares are scheduled to fully vest, in accordance with Mr. Restrepo's employment agreement, on the first anniversary of the date of grant, January 1, 2026.