Borr Drilling director buys 150K shares at $4.38

Borr Drilling Ltd (BORR) director Tor Olav Trøim, through affiliated entity Drew Holdings Ltd., purchased 150,000 common shares on September 17, 2026 at $4.3795 per share in an open-market or private transaction.

Rhea-AI Filing Summary

Borr Drilling Ltd (BORR) director Tor Olav Trøim, through affiliated entity Drew Holdings Ltd., purchased 150,000 common shares on September 17, 2026 at $4.3795 per share in an open-market or private transaction. Following this transaction, affiliated entities held 30,535,941 common shares indirectly and Trøim held 81,867 common shares directly.

The direct holdings include 54,545 restricted stock units that are scheduled to vest in full on September 30, 2026, conditional on Trøim continuing to serve as a director at the vesting date. No Rule 10b5-1 trading plan is reported for these transactions.

Insider Trade Summary

Net Buyer: 150,000 shares

Net Buy 2 txns

Insider Troim Tor Olav

Role Director

Bought 150,000 shs ($657K)

Type	Security	Shares	Price	Value
Purchase	Common Shares F1	150,000	$4.3795	$657K
holding	Common Shares F2	--	--	--

Holdings After Transaction: Common Shares — 30,535,941 shares (Indirect, By Drew Holdings Ltd.); Common Shares — 81,867 shares (Direct)

Footnotes (2)

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

Key Figures

Shares purchased: 150,000 shares Purchase price per share: $4.3795 per share Indirect holdings after transaction: 30,535,941 shares +3 more

6 metrics

Shares purchased 150,000 shares Common shares bought on September 17, 2026 by affiliated entity Drew Holdings Ltd.

Purchase price per share $4.3795 per share Price for the 150,000 common shares purchased on September 17, 2026

Indirect holdings after transaction 30,535,941 shares Common shares held indirectly through affiliated entities following the purchase

Direct holdings after transaction 81,867 shares Common shares held directly by Tor Olav Trøim after the reported transactions

Restricted stock units 54,545 RSUs RSUs vesting in full on September 30, 2026, contingent on continued board service

RSU vesting date September 30, 2026 Date when 54,545 RSUs vest in full if service condition is met

Key Terms

restricted stock units, non-discretionary trust, beneficiary

3 terms

restricted stock units financial

"Includes 54,545 restricted stock units (RSUs) that vest in full on September 30, 2026"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

non-discretionary trust financial

"Drew Holdings Ltd. is wholly owned by Drew Trust, a non-discretionary trust"

beneficiary financial

"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.

What insider transaction did BORR director Tor Olav Trøim report?

Tor Olav Trøim reported a purchase of 150,000 Borr Drilling common shares on September 17, 2026 at $4.3795 per share through Drew Holdings Ltd. This increased his indirect ownership position in the company.

How many BORR shares does Tor Olav Trøim own after this Form 4 filing?

After the reported transaction, affiliated entities associated with Tor Olav Trøim held 30,535,941 BORR common shares indirectly, and he held 81,867 common shares directly, according to the filing.

Were the BORR shares bought under a Rule 10b5-1 trading plan?

No. The Form 4 indicates that the Rule 10b5-1 checkbox is not checked, and there is no footnote stating that the 150,000-share purchase was executed under a pre-arranged trading plan.

Who executed the 150,000-share purchase reported for BORR?

The 150,000-share purchase of Borr Drilling common shares was made indirectly through Drew Holdings Ltd., which is wholly owned by Drew Trust, a non-discretionary trust in which Tor Olav Trøim is the beneficiary.

What restricted stock units does Tor Olav Trøim hold in BORR?

His direct holdings include 54,545 restricted stock units (RSUs) that vest in full on September 30, 2026, conditional upon his continuing to serve as a director on that vesting date. Each RSU represents a contingent right to receive one common share.

What was the price paid per BORR share in the reported purchase?

The 150,000 BORR common shares were purchased at an average price of $4.3795 per share on September 17, 2026, in an open-market or private transaction as described in the Form 4.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Available on EDGAR 09/18/2026 - 08:21 AM Accepted by SEC EDGAR 09/18/2026 - 08:20 AM Learn about SEC filing dates

SEC Form 4

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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. 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)

2a. Foreign Trading Symbol
[BORR]

3. Date of Earliest Transaction (Month/Day/Year)
09/17/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	09/17/2026	09/18/2026	P	V	150,000	A	$4.3795	30,535,941	I	By Drew Holdings Ltd.(1)
Common Shares								81,867(2)	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

Explanation of Responses:

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

2. 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.

Remarks:

	/s/ Temi Bankole as attorney-in-fact	09/18/2026
	** 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).
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 4: SEC 1474 (03-26)