MORAND DE OLIVEIRA BRUNO (Chief Executive Officer) purchased 39.6% of their position (275K shares) of BORR DRILLING LTD on the open market

Open‑market purchase worth $456.5K — a major conviction buy. The strongest form of insider conviction signal.

P · 1 purchase

MORAND DE OLIVEIRA BRUNO

Filed: 6/22/2026ACC: 0001628280-26-044540

InsiderMORAND DE OLIVEIRA BRUNOCIK 2117088

→

IssuerBORR DRILLING LTDCIK 1715497

Officer· Chief Executive Officer

Since Mar 2026

+550K

Net shares

Net buyer

$456.5K

Total acquired

Open market trades

1B · 0S

Total transactions

550K acquired

Non-Derivative Transactions1

Common Shares

Direct

P · Purchase

+275K

Price / share

$1.66

Trade value

$456.50K

% of position

39.6%

6/17/2026

694.83K→969.83K

Total

Net shares

+275K

Net value

$456.50K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Shares Direct	6/17/2026	P · Purchase	+275K	$1.66	$456.50K	39.6%	694.83K	969.83K
Total			+275K		$456.50K

Derivative Transactions3

Employee Stock Option to Purchase Common Shares

Direct

M · Option Exercise

Converts to

Common Shares

91.67K shares

+91.67K

Strike price

1.66

Held after

91.67K

Exercisable

—

6/17/2026

Employee Stock Option to Purchase Common Shares

Direct

M · Option Exercise

Converts to

Common Shares

91.67K shares

+91.67K

Strike price

1.66

Held after

91.67K

Exercisable

—

6/17/2026

Employee Stock Option to Purchase Common Shares

Direct

M · Option Exercise

Converts to

Common Shares

91.67K shares

+91.67K

Strike price

1.66

Held after

91.67K

Exercisable

—

6/17/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Employee Stock Option to Purchase Common Shares Direct	Common Shares91.67K shares	6/17/2026	M · Option Exercise	+91.67K	1.66	—	91.67K
Employee Stock Option to Purchase Common Shares Direct	Common Shares91.67K shares	6/17/2026	M · Option Exercise	+91.67K	1.66	—	91.67K
Employee Stock Option to Purchase Common Shares Direct	Common Shares91.67K shares	6/17/2026	M · Option Exercise	+91.67K	1.66	—	91.67K

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)9

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

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

66.67K

Shares owned

0.00

Exercise price

5.16

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

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

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

—

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	3.66	—	—	66.67K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	4.41	—	—	66.67K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	5.16	—	—	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	6.54	—	—	75K
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	6.31	—	—	100K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	6.54	—	—	75K
Total					725K