Borr Drilling (NYSE: BORR) director details 46,199,677 indirect shares

Rhea-AI Filing Summary

Borr Drilling Ltd director Thiago Mordehachvili has updated his initial ownership report, showing a large indirect stake held through Granular Capital Ltd. The filing lists 46,199,677 common shares held indirectly by Granular Capital Ltd, a fund founded and managed by Mordehachvili.

The position also includes 54,545 restricted stock units that vest in full on September 30, 2026, conditional on his continued service as a director. Each RSU represents a contingent right to receive one common share. The amendment does not report any new share purchases or sales.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Mordehachvili Thiago

Role Director

Type	Security	Shares	Price	Value
holding	Common Shares	--	--	--

Holdings After Transaction: Common Shares — 46,199,677 shares (Indirect, By Granular Capital Ltd)

Footnotes (1)

1. Includes 54,545 restricted stock units (RSUs) that vest in full on September 30, 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. Granular Capital Ltd is a fund founded and managed by the reporting person.

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SEC 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^*

Mordehachvili Thiago

(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)

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

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	46,199,677(1)	I	By Granular Capital Ltd(2)

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)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Includes 54,545 restricted stock units (RSUs) that vest in full on September 30, 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.

2. Granular Capital Ltd is a fund founded and managed by the reporting person.

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)

FAQ

What insider holdings did BORR director Thiago Mordehachvili report in this Form 3/A?

He reported an indirect holding of 46,199,677 common shares of Borr Drilling Ltd through Granular Capital Ltd. This filing amends his initial ownership disclosure and does not show any new share purchases or sales.

How are Thiago Mordehachvili’s BORR shares held according to the Form 3/A?

The filing states the shares are held indirectly "By Granular Capital Ltd." A footnote explains that Granular Capital Ltd is a fund founded and managed by the reporting person, linking his beneficial ownership to that investment vehicle.

What restricted stock units (RSUs) does BORR director Thiago Mordehachvili hold?

His position includes 54,545 restricted stock units that vest in full on September 30, 2026, provided he continues serving as a director. Each RSU gives a contingent right to receive one common share upon vesting.

Does this BORR Form 3/A show any insider buying or selling activity?

No. The Form 3/A reflects holdings only and lists the total indirect shares and RSUs after the reported date. The transaction summary shows no buy or sell transactions, just a holding entry with an unknown transaction code.

What is the significance of Granular Capital Ltd in this BORR insider filing?

Granular Capital Ltd is identified as the indirect owner of the reported common shares. A footnote notes it is a fund founded and managed by Thiago Mordehachvili, indicating his beneficial interest through that investment vehicle.