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

Reporting relationship: Former Chief Financial Officer
Issuer ticker: NBR
Reported as of: 01 Jan 2026
Net transaction value: -$235,825
SEC form: 4
Accepted by SEC: 05 Jan 2026, 09:02:42 UTC
Prior SEC filing: 12 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/ Mark D. Andrews by Power of Attorney for William Restrepo

Key filing fact

William J. Restrepo filed Form 4 for NABORS INDUSTRIES LTD (NBR) on 05 Jan 2026.

Key facts

This page summarizes William J. Restrepo's Form 4 filing for NABORS INDUSTRIES LTD (NBR).
4 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 05 Jan 2026, 09:02.

Change

Previous filing in this sequence was filed on 12 Nov 2025.
Current net transaction value: -$235,825.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001334321 Primary reporting owner

Restrepo William J

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

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NBR transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +17,105
Change %: +15%
Price: $0.000000
Shares after: 128,434
Date: 01 Jan 2026
Ownership: Direct
Footnotes: F1

NBR transaction

Common Stock

Tax liability

Transaction value: $235,825
Shares: -4,343
Change %: -3.4%
Price: $54.30
Shares after: 124,091
Date: 01 Jan 2026
Ownership: Direct
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

NBR transaction Derivative

2025 Performance Share Units

Award

Transaction value: $0
Shares: +17,105
Change %
Price: $0.000000
Shares after: 17,105
Date: 01 Jan 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 17,105
Exercise price
Footnotes: F3, F4

NBR transaction Derivative

2025 Performance Share Units

Options Exercise

Transaction value: $0
Shares: -17,105
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 01 Jan 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 17,105
Exercise price
Footnotes: F1, F3

NBR holding Derivative

2021 Warrants

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 44,212
Date: 01 Jan 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 44,212
Exercise price: $166.67

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

William J. Restrepo is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 4 footnotes

Footnote 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.

Footnote 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.

Footnote F3

Performance restricted stock units convert into common shares on a 1-for-1 basis.

Footnote 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.