William J. Restrepo - 30 Sep 2025 Form 4 Insider Report for NABORS INDUSTRIES LTD (NBR)

Reporting relationship: Chief Financial Officer
Issuer ticker: NBR
Reported as of: 30 Sep 2025
Net transaction value: -$1,053,506
SEC form: 4
Accepted by SEC: 06 Oct 2025, 12:19:46 UTC
Prior SEC filing: 03 Jan 2025
Next 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 06 Oct 2025.

Key facts

This page summarizes William J. Restrepo's Form 4 filing for NABORS INDUSTRIES LTD (NBR).
9 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 06 Oct 2025, 12:19.

Change

Previous filing in this sequence was filed on 03 Jan 2025.
Current net transaction value: -$1,053,506.

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: 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: 02 Oct 2025

Reported non-derivative transactions

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

NBR transaction

Common Stock

Tax liability

Transaction value: $164,011
Shares: -4,013
Change %: -3.2%
Price: $40.87
Shares after: 120,320
Date: 30 Sep 2025
Ownership: Direct
Footnotes: F1, F2

NBR transaction

Common Stock

Tax liability

Transaction value: $289,114
Shares: -7,074
Change %: -5.9%
Price: $40.87
Shares after: 113,246
Date: 30 Sep 2025
Ownership: Direct
Footnotes: F1, F3

NBR transaction

Common Stock

Tax liability

Transaction value: $394,886
Shares: -9,662
Change %: -8.5%
Price: $40.87
Shares after: 103,584
Date: 30 Sep 2025
Ownership: Direct
Footnotes: F1, F4

NBR transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +1,075
Change %: +1%
Price: $0.000000
Shares after: 104,659
Date: 30 Sep 2025
Ownership: Direct
Footnotes: F5, F6

NBR transaction

Common Stock

Tax liability

Transaction value: $17,329
Shares: -424
Change %: -0.41%
Price: $40.87
Shares after: 104,235
Date: 30 Sep 2025
Ownership: Direct
Footnotes: F5, F7

NBR transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +11,698
Change %: +11%
Price: $0.000000
Shares after: 115,933
Date: 30 Sep 2025
Ownership: Direct
Footnotes: F5, F8

NBR transaction

Common Stock

Tax liability

Transaction value: $188,165
Shares: -4,604
Change %: -4%
Price: $40.87
Shares after: 111,329
Date: 30 Sep 2025
Ownership: Direct
Footnotes: F5, F9

Reported derivative securities

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

NBR transaction Derivative

2023 Performance Share Units

Options Exercise

Transaction value: $0
Shares: -1,075
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 30 Sep 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,075
Exercise price
Footnotes: F5, F6, F10

NBR transaction Derivative

2024 Performance Share Units

Options Exercise

Transaction value: $0
Shares: -11,698
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 30 Sep 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 11,698
Exercise price
Footnotes: F5, F8, F10

NBR holding Derivative

2021 Warrants

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 44,212
Date: 30 Sep 2025
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 10 footnotes

Footnote F1

Mr. Restrepo retired on September 30, 2025. Pursuant to the Executive's employment agreement, upon a qualifying retirement, all unvested TSR Shares held by the reporting person vested in full on the retirement date.

Footnote F2

Reflects the number of shares surrendered on September 30, 2025 to satisfy the tax withholding on the vesting of 10,196 TSR shares deemed earned at maximum out of a total of 10,196 shares originally granted to Mr. Restrepo on January 1, 2023, for the three-year performance period beginning on January 1, 2023 and ending on December 31, 2025, as determined on September 30, 2025 by the Compensation Committee in connection with Mr. Restrepo's retirement entitlement pursuant to his employment agreement. The remaining 6,183 deemed earned and vested shares were retained by the executive.

Footnote F3

Reflects the number of shares surrendered on September 30, 2025 to satisfy the tax withholding on the vesting of 17,975 TSR shares deemed earned at maximum out of a total of 17,975 shares originally granted to Mr. Restrepo on January 1, 2024, for the three-year performance period beginning on January 1, 2024 and ending on December 31, 2026, as determined on September 30, 2025 by the Compensation Committee in connection with Mr. Restrepo's retirement entitlement pursuant to his employment agreement. The remaining 10,901 deemed earned and vested shares were retained by the executive.

Footnote F4

Reflects the number of shares surrendered on September 30, 2025 to satisfy the tax withholding on the vesting of 24,554 TSR shares deemed earned at maximum out of a total of 24,554 shares originally granted to Mr. Restrepo on January 1, 2025, for the three-year performance period beginning on January 1, 2025 and ending on December 31, 2027, as determined on September 30, 2025 by the Compensation Committee in connection with Mr. Restrepo's retirement entitlement pursuant to his employment agreement. The remaining 14,892 deemed earned and vested shares were retained by the executive.

Footnote F5

Mr. Restrepo retired on September 30, 2025. Pursuant to the Executive's employment agreement, upon a qualifying retirement, all unvested performance stock units ("PSUs") held by the reporting person vested in full on the retirement date.

Footnote F6

Reflects the vesting of 1,075 PSUs on September 30, 2025 in connection with Mr. Restrepo's retirement in accordance with his employment agreement, which represents the number of PSUs that were earned in respect of the 3,225 PSUs originally granted on January 1, 2023, which 1,075 PSUs remained subject to time-vesting requirements

Footnote F7

Reflects the number of shares surrendered on September 30, 2025 to satisfy the tax withholding on the vesting and issuance of 1,075 shares of the 3,225 PSUs originally granted on January 1, 2023. The remaining 651 vested shares were retained by the executive.

Footnote F8

Reflects the vesting of 11,698 PSUs on September 30, 2025 in connection with Mr. Restrepo's retirement in accordance with his employment agreement, which represents the number of PSUs that were earned in respect of the 17,547 PSUs originally granted on January 1, 2024, which 11,698 PSUs remained subject to time-vesting requirements.

Footnote F9

Reflects the number of shares surrendered on September 30, 2025 to satisfy the tax withholding on the vesting and issuance of 11,698 shares of the 17,547 PSUs originally granted on January 1, 2024. The remaining 7,094 vested shares were retained by the executive.

Footnote F10

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