VAALER MAGNUS (Chief Financial Officer) sold 7.4% of their position (19.63K shares) of BORR DRILLING LTD on the open market

Open‑market sale worth $94.2K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

VAALER MAGNUS

Filed: 9/4/2026ACC: 0001628280-26-060606

InsiderVAALER MAGNUSCIK 2118679

→

IssuerBORR DRILLING LTDCIK 1715497

Officer· Chief Financial Officer

Since Mar 2026

-19.63K

Net shares

Net seller

$94.2K

Total sold

Open market trades

0B · 1S

Total transactions

19.63K disposed

Non-Derivative Transactions1

Common Shares

Direct

S · Sale

−19.63K

Price / share

$4.80

Trade value

$94.25K

% of position

7.4%

9/3/2026

266.71K→247.09K

Total

Net shares

−19.63K

Net value

-$94.25K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Shares Direct	9/3/2026	S · Sale	−19.63K	$4.80	$94.25K	7.4%	266.71K	247.09K
Total			−19.63K		-$94.25K

Derivative Transactions0

No derivative transactions reported

Non-Derivative Holdings (Post-Transaction)1

Common Shares

Direct

Shares owned157.50K

Total

157.50K direct157.50K

Security Title	Shares Owned	Ownership Type
Common Shares	157.50K	Direct
Total	157.50K	157.50K direct

Derivative Holdings (Post-Transaction)12

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

133.33K

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

183.33K

Shares owned

0.00

Exercise price

1.66

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

133.33K

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

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

183.33K

Shares owned

0.00

Exercise price

1.66

Expiration

—

Exercise window

—

Employee Stock Option to Purchase Common Shares

Direct

Underlying security

Common Shares

Underlying shares

183.33K

Shares owned

0.00

Exercise price

1.66

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

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

133.33K

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

—

Total

Underlying

1.48M

Owned

0.00

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares
Employee Stock Option to Purchase Common Shares Direct	Common Shares	5.16	—	—	133.33K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	1.66	—	—	183.33K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	3.66	—	—	133.33K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	6.31	—	—	100K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	1.66	—	—	183.33K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	1.66	—	—	183.33K
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	6.54	—	—	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	—	—	133.33K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	6.31	—	—	100K
Total					1.48M