Borr Drilling director discloses 25.1M-share stake

Borr Drilling Ltd director Tor Olav Trøim reports his shareholdings in the company’s common shares.

Rhea-AI Filing Summary

Borr Drilling Ltd director Tor Olav Trøim reports his shareholdings in the company’s common shares. He holds 81,867 shares directly, including 54,545 restricted stock units that vest in full on September 30, 2026 if he continues serving as a director.

In addition, 25,122,941 common shares are held indirectly through Drew Holding Ltd., which is wholly owned by Drew Trust, a non-discretionary trust in which Trøim is the beneficiary. The disclosure outlines his total direct and indirect economic exposure to Borr Drilling.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Troim Tor Olav

Role Director

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

Holdings After Transaction: Common Shares — 81,867 shares (Direct); Common Shares — 25,122,941 shares (Indirect, By Drew Holding Ltd.)

Footnotes (2)

1. F1. 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. F2. Drew Holding Ltd. is wholly owned by Drew Trust, a non-discretionary trust in which the reporting person is the beneficiary.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many Borr Drilling (BORR) shares does Tor Olav Trøim hold directly?

Tor Olav Trøim directly holds 81,867 Borr Drilling common shares. This direct holding includes 54,545 restricted stock units that will vest on September 30, 2026, provided he continues to serve as a director through that vesting date.

What indirect Borr Drilling (BORR) ownership does Tor Olav Trøim report?

Trøim reports indirect ownership of 25,122,941 Borr Drilling common shares. These shares are held by Drew Holding Ltd., which is wholly owned by Drew Trust, a non-discretionary trust where he is the beneficiary, reflecting substantial indirect economic exposure.

When do Tor Olav Trøim’s Borr Drilling (BORR) RSUs vest?

Trøim’s 54,545 restricted stock units vest on September 30, 2026. Vesting is conditional on his continued service as a director of Borr Drilling through the vesting date, after which each RSU converts into one common share.

How many Borr Drilling (BORR) RSUs are included in Tor Olav Trøim’s holdings?

His direct holdings include 54,545 restricted stock units. Each RSU represents a contingent right to receive one Borr Drilling common share, subject to vesting in full on September 30, 2026, if he remains a director.

What is Drew Holding Ltd.’s role in Borr Drilling (BORR) share ownership?

Drew Holding Ltd. holds 25,122,941 Borr Drilling common shares indirectly for Trøim. It is wholly owned by Drew Trust, a non-discretionary trust where Trøim is the beneficiary, linking these shares to his economic interests.

Does this Borr Drilling (BORR) Form 3/A show new insider buying or selling?

The disclosure primarily details Tor Olav Trøim’s existing direct and indirect holdings. It lists share and RSU amounts, including large trust-held positions, rather than reporting specific new purchase or sale transactions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/26/2026 - 08:14 AM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Troim Tor Olav

(Last) (First) (Middle)

C/O BORR DRILLING LIMITED

2ND FLOOR 9 PAR-LA-VILLE ROAD

(Street)

HAMILTON D0 HM11

(City) (State) (Zip)

BERMUDA

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/17/2026

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)
03/17/2026

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	81,867(1)	D
Common Shares	25,122,941	I	By Drew Holding 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. Drew Holding Ltd. is wholly owned by Drew Trust, a non-discretionary trust in which the reporting person is the beneficiary.

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)