GALLAGHER J PATRICK JR (CEO) reported 1 transaction at ARTHUR J. GALLAGHER & CO.

Review the transaction codes below to understand the nature of each event.

GALLAGHER J PATRICK JR

Filed: 9/10/2026ACC: 0000354190-26-000205

InsiderGALLAGHER J PATRICK JRCIK 1186006

→

IssuerARTHUR J. GALLAGHER & CO.CIK 354190

DirectorOfficer· CEO

Since Mar 2026

-49.99K

Net shares

Net seller

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

49.99K disposed

Non-Derivative Transactions1

Common Stock

Indirect

G · Gift

−49.99K

Price / share

—

Trade value

—

% of position

New position

9/8/2026

49.99K→0.00

Total

Net shares

−49.99K

Net value

$0.00

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Indirect	9/8/2026	G · Gift	−49.99K	—	—	New position	49.99K	0.00
Total			−49.99K		$0.00

Derivative Transactions0

No derivative transactions reported

Non-Derivative Holdings (Post-Transaction)6

Common Stock

Indirect

Shares owned302.76K

Common Stock

Indirect

Shares owned244.86K

Common Stock

Indirect

Shares owned491.14

Common Stock

Direct

Shares owned128.45K

Common Stock

Indirect

Shares owned5.33K

Common Stock

Indirect

Shares owned219.96K

Total

128.45K direct·773.40K indirect901.85K

Security Title	Shares Owned	Ownership Type
Common Stock	302.76K	Indirect
Common Stock	244.86K	Indirect
Common Stock	491.14	Indirect
Common Stock	128.45K	Direct
Common Stock	5.33K	Indirect
Common Stock	219.96K	Indirect
Total	901.85K	128.45K direct·773.40K indirect

Derivative Holdings (Post-Transaction)9

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

22.73K

Shares owned

22.73K

Exercise price

337.74

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

35.83K

Shares owned

35.83K

Exercise price

158.56

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

76.97K

Shares owned

76.97K

Exercise price

127.90

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

27.21K

Shares owned

27.21K

Exercise price

243.54

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

30.03K

Shares owned

30.03K

Exercise price

177.09

Expiration

—

Exercise window

—

Phantom Stock

Direct

Underlying security

Common Stock

Underlying shares

139.55K

Shares owned

139.55K

Exercise price

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

68.55K

Shares owned

68.55K

Exercise price

86.17

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

48.45K

Shares owned

48.45K

Exercise price

228.20

Expiration

—

Exercise window

—

Notional Stock Units

Direct

Underlying security

Common Stock

Underlying shares

153.79K

Shares owned

153.79K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

603.11K

Owned

603.11K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Non-qualified Stock Option Direct	Common Stock	337.74	—	—	22.73K	22.73K
Non-qualified Stock Option Direct	Common Stock	158.56	—	—	35.83K	35.83K
Non-qualified Stock Option Direct	Common Stock	127.90	—	—	76.97K	76.97K
Non-qualified Stock Option Direct	Common Stock	243.54	—	—	27.21K	27.21K
Non-qualified Stock Option Direct	Common Stock	177.09	—	—	30.03K	30.03K
Phantom Stock Direct	Common Stock		—	—	139.55K	139.55K
Non-qualified Stock Option Direct	Common Stock	86.17	—	—	68.55K	68.55K
Non-qualified Stock Option Direct	Common Stock	228.20	—	—	48.45K	48.45K
Notional Stock Units Direct	Common Stock	0	—	—	153.79K	153.79K
Total					603.11K	603.11K