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).
1. Name and Address of Reporting Person *
Schorn Patrick

(Last) (First) (Middle)
C/O BORR DRILLING LIMITED
2ND FLOOR 9 PAR-LA-VILLE ROAD

(Street)
HAMILTON HM11

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Borr Drilling Ltd [ BORR ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
06/17/2026
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 Shares 06/17/2026 06/17/2026 P V 1,200,000 A $ 1.66 3,535,000 (1) 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
Employee Stock Option to Purchase Common Shares $ 1.66 06/17/2026 06/17/2026 M V 400,000   08/12/2023 (2) 08/12/2026 Common Shares 400,000 $ 1.66 400,000 D  
Employee Stock Option to Purchase Common Shares $ 1.66 06/17/2026 06/17/2026 M V 400,000   08/12/2024 (2) 08/12/2026 Common Shares 400,000 $ 1.66 400,000 D  
Employee Stock Option to Purchase Common Shares $ 1.66 06/17/2026 06/17/2026 M V 400,000   08/12/2025 (2) 08/12/2026 Common Shares 400,000 $ 1.66 400,000 D  
Employee Stock Option to Purchase Common Shares $ 3.66             03/01/2024 (3) 09/01/2027 Common Shares 333,334   0 D  
Employee Stock Option to Purchase Common Shares $ 4.41             03/01/2025 (3) 09/01/2027 Common Shares 333,333   0 D  
Employee Stock Option to Purchase Common Shares $ 5.16             03/01/2026 (3) 09/01/2027 Common Shares 333,333   0 D  
Explanation of Responses:
1. Includes (a) 500,000 restricted stock units (RSUs) that vested in full on December 31, 2025, (b) 250,000 RSUs that vest in full on December 31, 2026 conditional upon continuing to serve as a Director of the Issuer at the date of vesting. Each RSU represents a contingent right to receive one common share and (c) full exercise of 2021 Plan Options
2. Grant of options on August 12, 2021 - options 1/3 vest every August 1 between 2023 and 2025 with strike price as at date of filing. Options were exercised for cash on June 17, 2026
3. Grant of options on September 1, 2022 - options 1/3 vest every March 1 between 2024 and 2026 with staggered strike price as at date of filing
/s/ Temi Bankole as attorney-in-fact 06/19/2026
** 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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