MORAND DE OLIVEIRA BRUNO (Chief Executive Officer) purchased 4.7% of their position (45.50K shares) of BORR DRILLING LTD on the open market

Open‑market purchase worth $200.2K — a small addition. The strongest form of insider conviction signal.

P · 1 purchase

MORAND DE OLIVEIRA BRUNO

Filed: 9/21/2026ACC: 0001628280-26-062804

InsiderMORAND DE OLIVEIRA BRUNOCIK 2117088

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IssuerBORR DRILLING LTDCIK 1715497

Officer· Chief Executive Officer

Since Mar 2026

+45.50K

Net shares

Net buyer

$200.2K

Total acquired

Open market trades

1B · 0S

Total transactions

45.50K acquired

Non-Derivative Transactions1

Common Shares

Direct

P · Purchase

+45.50K

Price / share

$4.40

Trade value

$200.20K

% of position

4.7%

9/18/2026

969.83K→1.02M

Total

Net shares

+45.50K

Net value

$200.20K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Shares Direct	9/18/2026	P · Purchase	+45.50K	$4.40	$200.20K	4.7%	969.83K	1.02M
Total			+45.50K		$200.20K

Derivative Transactions0

No derivative transactions reported

Non-Derivative Holdings (Post-Transaction)1

Common Shares

Direct

Shares owned475K

Total

475K direct475K

Security Title	Shares Owned	Ownership Type
Common Shares	475K	Direct
Total	475K	475K direct

Derivative Holdings (Post-Transaction)9

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

100K

Shares owned

0.00

Exercise price

6.31

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

75K

Shares owned

0.00

Exercise price

6.54

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

75K

Shares owned

0.00

Exercise price

6.54

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

66.67K

Shares owned

0.00

Exercise price

4.41

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

100K

Shares owned

0.00

Exercise price

6.31

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

100K

Shares owned

0.00

Exercise price

6.31

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

66.67K

Shares owned

0.00

Exercise price

3.66

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

75K

Shares owned

0.00

Exercise price

6.54

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

66.67K

Shares owned

0.00

Exercise price

5.16

Expiration

—

Exercise window

—

Total

Underlying

725K

Owned

0.00

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares
Employee Stock Option to Purchase Common Shares Direct	Common Shares	6.31	—	—	100K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	6.54	—	—	75K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	6.54	—	—	75K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	4.41	—	—	66.67K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	6.31	—	—	100K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	6.31	—	—	100K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	3.66	—	—	66.67K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	6.54	—	—	75K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	5.16	—	—	66.67K
Total					725K