SNOWLING HARVEY EDWARD (Chief Operating Officer) sold 15.1% of their position (25.88K shares) of BORR DRILLING LTD on the open market

Open‑market sale worth $124.3K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

SNOWLING HARVEY EDWARD

Filed: 9/4/2026ACC: 0001628280-26-060608

InsiderSNOWLING HARVEY EDWARDCIK 2116137

→

IssuerBORR DRILLING LTDCIK 1715497

Officer· Chief Operating Officer

Since Mar 2026

-25.88K

Net shares

Net seller

$124.3K

Total sold

Open market trades

0B · 1S

Total transactions

25.88K disposed

Non-Derivative Transactions1

Common Shares

Direct

S · Sale

−25.88K

Price / share

$4.80

Trade value

$124.27K

% of position

15.1%

9/3/2026

171.82K→145.94K

Total

Net shares

−25.88K

Net value

-$124.27K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Shares Direct	9/3/2026	S · Sale	−25.88K	$4.80	$124.27K	15.1%	171.82K	145.94K
Total			−25.88K		-$124.27K

Derivative Transactions0

No derivative transactions reported

Non-Derivative Holdings (Post-Transaction)1

Common Shares

Direct

Shares owned52.50K

Total

52.50K direct52.50K

Security Title	Shares Owned	Ownership Type
Common Shares	52.50K	Direct
Total	52.50K	52.50K direct

Derivative Holdings (Post-Transaction)12

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

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

120K

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

150K

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

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

150K

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

120K

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

120K

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

150K

Shares owned

0.00

Exercise price

1.66

Expiration

—

Exercise window

—

Total

Underlying

1.33M

Owned

0.00

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares
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	6.54	—	—	75K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	5.16	—	—	120K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	1.66	—	—	150K
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	1.66	—	—	150K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	4.41	—	—	120K
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	—	—	120K
Employee Stock Option to Purchase Common Shares Direct	Common Shares	1.66	—	—	150K
Total					1.33M