SCHMEISER ROBERT MICHAEL

PrivateCIK: 2153453

SCHMEISER ROBERT MICHAEL enters ARCH CAPITAL GROUP LTD. with 44.86K shares plus derivative instruments

Holding both equity and derivatives at entry signals strong long-term conviction in the company.

Direct Derivatives

SCHMEISER ROBERT MICHAEL

Filed: 9/14/2026ACC: 0002153453-26-000003

InsiderSCHMEISER ROBERT MICHAELCIK 2153453

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IssuerARCH CAPITAL GROUP LTD.CIK 947484

Officer· CEO, Arch Global Mortgage Grp.

Since Sep 2026

44.86K

Baseline shares

100% direct

44.86K

Direct ownership

1 position

50.97K

Derivative underlying

9 instruments

1

Security positions

All direct

Non-Derivative Holdings1

Common Shares, $.0011 par value per share

Direct

Shares owned44.86K

Total

44.86K direct44.86K

Security Title	Shares Owned	Ownership Type
Common Shares, $.0011 par value per share	44.86K	Direct
Total	44.86K	44.86K direct

Derivative Holdings9

Stock Option (Right to Buy)

Direct

Underlying security

Common Shares, $.0011 par value per share

Underlying shares

3.84K

Shares owned

N/A

Exercise price

92.48

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Shares, $.0011 par value per share

Underlying shares

650.00

Shares owned

N/A

Exercise price

66.70

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Shares, $.0011 par value per share

Underlying shares

7.15K

Shares owned

N/A

Exercise price

91.87

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Shares, $.0011 par value per share

Underlying shares

6.83K

Shares owned

N/A

Exercise price

100.48

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Shares, $.0011 par value per share

Underlying shares

8.69K

Shares owned

N/A

Exercise price

30.82

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Shares, $.0011 par value per share

Underlying shares

9.14K

Shares owned

N/A

Exercise price

42.54

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Shares, $.0011 par value per share

Underlying shares

4.90K

Shares owned

N/A

Exercise price

37.42

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Shares, $.0011 par value per share

Underlying shares

5.54K

Shares owned

N/A

Exercise price

64.17

Expiration

—

Exercise window

—

Stock Option (Right to Buy)

Direct

Underlying security

Common Shares, $.0011 par value per share

Underlying shares

4.23K

Shares owned

N/A

Exercise price

82.22

Expiration

—

Exercise window

—

Total

Underlying

50.97K

Owned

0.00

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Option (Right to Buy) Direct	Common Shares, $.0011 par value per share	92.48	—	—	3.84K	N/A
Stock Option (Right to Buy) Direct	Common Shares, $.0011 par value per share	66.70	—	—	650.00	N/A
Stock Option (Right to Buy) Direct	Common Shares, $.0011 par value per share	91.87	—	—	7.15K	N/A
Stock Option (Right to Buy) Direct	Common Shares, $.0011 par value per share	100.48	—	—	6.83K	N/A
Stock Option (Right to Buy) Direct	Common Shares, $.0011 par value per share	30.82	—	—	8.69K	N/A
Stock Option (Right to Buy) Direct	Common Shares, $.0011 par value per share	42.54	—	—	9.14K	N/A
Stock Option (Right to Buy) Direct	Common Shares, $.0011 par value per share	37.42	—	—	4.90K	N/A
Stock Option (Right to Buy) Direct	Common Shares, $.0011 par value per share	64.17	—	—	5.54K	N/A
Stock Option (Right to Buy) Direct	Common Shares, $.0011 par value per share	82.22	—	—	4.23K	N/A
Total					50.97K	0.00