SEC FORM 3/A

SEC FORM 3/ASEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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1. Name and Address of Reporting Person^*

Vaaler Magnus

(Last)

(First)

(Middle)

C/O BORR DRILLING LIMITED

2ND FLOOR 9 PAR-LA-VILLE ROAD

(Street)

HAMILTON

HM11

(City)

(State)

(Zip)

BERMUDA

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Borr Drilling Ltd [ BORR ]

3a. Foreign Trading Symbol
[BORR]

5. If Amendment, Date of Original Filed (Month/Day/Year)
03/18/2026

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Chief Financial Officer

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Shares	266,711⁽¹⁾	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Employee Stock Option to Purchase Common Shares	03/01/2024⁽²⁾	09/01/2027	Common Shares	133,334	$3.66	D
Employee Stock Option to Purchase Common Shares	03/01/2025⁽²⁾	09/01/2027	Common Shares	133,333	$4.41	D
Employee Stock Option to Purchase Common Shares	03/01/2026⁽²⁾	09/01/2027	Common Shares	133,333	$5.16	D
Employee Stock Option to Purchase Common Shares	08/15/2025⁽³⁾	08/15/2029	Common Shares	75,000	$6.54	D
Employee Stock Option to Purchase Common Shares	08/15/2026⁽³⁾	08/15/2029	Common Shares	75,000	$6.54	D
Employee Stock Option to Purchase Common Shares	08/15/2027⁽³⁾	08/15/2029	Common Shares	75,000	$6.54	D
Employee Stock Option to Purchase Common Shares	08/12/2023⁽⁴⁾	08/12/2026	Common Shares	183,334	$1.66	D
Employee Stock Option to Purchase Common Shares	08/12/2024⁽⁴⁾	08/12/2026	Common Shares	183,333	$1.66	D
Employee Stock Option to Purchase Common Shares	08/12/2025⁽⁴⁾	08/12/2026	Common Shares	183,333	$1.66	D
Employee Stock Option to Purchase Common Shares	03/01/2025⁽⁵⁾	11/17/2028	Common Shares	100,000	$6.31	D
Employee Stock Option to Purchase Common Shares	03/01/2026⁽⁵⁾	11/17/2028	Common Shares	100,000	$6.31	D
Employee Stock Option to Purchase Common Shares	03/01/2027⁽⁵⁾	11/17/2028	Common Shares	100,000	$6.31	D

Explanation of Responses:

1. Includes (a) 41,237 restricted stock units (RSUs) that vest in full on September 1, 2026, (b) 41,237 RSUs that vest in full on September 1, 2027 and (c) 41,237 RSUs that vest in full on September 1, 2028, each conditional upon continuous employment with the Issuer at the date of vesting. Each RSU represents a contingent right to receive one common share

2. 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

3. Grant of options on August 15, 2024 - options 1/3 vest every August 15 between 2025 and 2027 with strike price as at date of filing

4. 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

5. Grant of options on November 17, 2023 - options 1/3 vest every March 1 between 2025 and 2027 with strike price as at date of filing

Remarks:

	/s/ Temi Bankole as attorney-in-fact	03/25/2026
	** 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 5 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

Amendment: SEC Form 3 filed by new insider Vaaler Magnus