GALLAGHER PATRICK MURPHY (Vice President) reported 1 transaction at ARTHUR J. GALLAGHER & CO.

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

GALLAGHER PATRICK MURPHY

Filed: 9/10/2026ACC: 0000354190-26-000207

InsiderGALLAGHER PATRICK MURPHYCIK 1929606

→

IssuerARTHUR J. GALLAGHER & CO.CIK 354190

Officer· Vice President

Since May 2022

+49.99K

Net shares

Net buyer

$0.00

Total acquired

Open market trades

0B · 0S

Total transactions

49.99K acquired

Non-Derivative Transactions1

Common Stock

Indirect

G · Gift

+49.99K

Price / share

—

Trade value

—

% of position

51.0%

9/8/2026

98.11K→148.09K

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	—	—	51.0%	98.11K	148.09K
Total			+49.99K		$0.00

Derivative Transactions0

No derivative transactions reported

Non-Derivative Holdings (Post-Transaction)6

Common Stock

Indirect

Shares owned55.11K

Common Stock

Indirect

Shares owned21.03K

Common Stock

Direct

Shares owned14.17K

Common Stock

Indirect

Shares owned491.14

Common Stock

Indirect

Shares owned53.26K

Common Stock

Indirect

Shares owned11.26K

Total

14.17K direct·141.16K indirect155.33K

Security Title	Shares Owned	Ownership Type
Common Stock	55.11K	Indirect
Common Stock	21.03K	Indirect
Common Stock	14.17K	Direct
Common Stock	491.14	Indirect
Common Stock	53.26K	Indirect
Common Stock	11.26K	Indirect
Total	155.33K	14.17K direct·141.16K indirect

Derivative Holdings (Post-Transaction)10

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

6.27K

Shares owned

6.27K

Exercise price

86.17

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

11.90K

Shares owned

11.90K

Exercise price

337.74

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

5.51K

Shares owned

5.51K

Exercise price

158.56

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

6.16K

Shares owned

6.16K

Exercise price

177.09

Expiration

—

Exercise window

—

Phantom Stock

Direct

Underlying security

Common Stock

Underlying shares

17.73K

Shares owned

17.73K

Exercise price

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

7.25K

Shares owned

7.25K

Exercise price

127.90

Expiration

—

Exercise window

—

Phantom Stock

Direct

Underlying security

Common Stock

Underlying shares

3.80K

Shares owned

3.80K

Exercise price

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

17.77K

Shares owned

17.77K

Exercise price

228.20

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

11.39K

Shares owned

11.39K

Exercise price

243.54

Expiration

—

Exercise window

—

Notional Stock Units

Direct

Underlying security

Common Stock

Underlying shares

2.35K

Shares owned

2.35K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

90.14K

Owned

90.14K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Non-qualified Stock Option Direct	Common Stock	86.17	—	—	6.27K	6.27K
Non-qualified Stock Option Direct	Common Stock	337.74	—	—	11.90K	11.90K
Non-qualified Stock Option Direct	Common Stock	158.56	—	—	5.51K	5.51K
Non-qualified Stock Option Direct	Common Stock	177.09	—	—	6.16K	6.16K
Phantom Stock Direct	Common Stock		—	—	17.73K	17.73K
Non-qualified Stock Option Direct	Common Stock	127.90	—	—	7.25K	7.25K
Phantom Stock Direct	Common Stock		—	—	3.80K	3.80K
Non-qualified Stock Option Direct	Common Stock	228.20	—	—	17.77K	17.77K
Non-qualified Stock Option Direct	Common Stock	243.54	—	—	11.39K	11.39K
Notional Stock Units Direct	Common Stock		—	—	2.35K	2.35K
Total					90.14K	90.14K