GALLAGHER PATRICK MURPHY (Vice President) received a stock award from ARTHUR J. GALLAGHER & CO.

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 1 award

GALLAGHER PATRICK MURPHY

Filed: 3/17/2026ACC: 0000354190-26-000083

InsiderGALLAGHER PATRICK MURPHYCIK 1929606

→

IssuerARTHUR J. GALLAGHER & CO.CIK 354190

Officer· Vice President

Since May 2022

+2.13K

Net shares

Net buyer

$517.1K

Total sold

Open market trades

0B · 0S

Total transactions

9.24K acquired · 7.11K disposed

Non-Derivative Transactions5

Common Stock (restricted)

Direct

A · Award

+4.62K

Price / share

—

Trade value

—

% of position

New position

3/15/2026

0.00→4.62K

Common Stock (restricted)

Direct

M · Option Exercise

−4.62K

Price / share

—

Trade value

—

% of position

New position

3/15/2026

4.62K→0.00

Common Stock

Direct

M · Option Exercise

+4.62K

Price / share

—

Trade value

—

% of position

12.7%

3/15/2026

36.44K→41.06K

Common Stock

Direct

F · Tax Withholding

−1.96K

Price / share

$207.93

Trade value

$407.96K

% of position

4.8%

3/15/2026

41.06K→39.10K

Common Stock

Direct

F · Tax Withholding

−525.00

Price / share

$207.93

Trade value

$109.16K

% of position

1.3%

3/16/2026

39.10K→38.58K

Total

Net shares

+2.13K

Net value

-$517.12K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock (restricted) Direct	3/15/2026	A · Award	+4.62K	—	—	New position	0.00	4.62K
Common Stock (restricted) Direct	3/15/2026	M · Option Exercise	−4.62K	—	—	New position	4.62K	0.00
Common Stock Direct	3/15/2026	M · Option Exercise	+4.62K	—	—	12.7%	36.44K	41.06K
Common Stock Direct	3/15/2026	F · Tax Withholding	−1.96K	$207.93	$407.96K	4.8%	41.06K	39.10K
Common Stock Direct	3/16/2026	F · Tax Withholding	−525.00	$207.93	$109.16K	1.3%	39.10K	38.58K
Total			+2.13K		-$517.12K

Derivative Transactions0

No derivative transactions reported

Non-Derivative Holdings (Post-Transaction)6

Common Stock

Indirect

Shares owned21.03K

Common Stock

Indirect

Shares owned53.26K

Common Stock

Indirect

Shares owned83.41K

Common Stock

Indirect

Shares owned491.14

Common Stock

Indirect

Shares owned55.11K

Common Stock

Indirect

Shares owned10.56K

Total

223.86K indirect223.86K

Security Title	Shares Owned	Ownership Type
Common Stock	21.03K	Indirect
Common Stock	53.26K	Indirect
Common Stock	83.41K	Indirect
Common Stock	491.14	Indirect
Common Stock	55.11K	Indirect
Common Stock	10.56K	Indirect
Total	223.86K	223.86K indirect

Derivative Holdings (Post-Transaction)10

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

11.39K

Shares owned

11.39K

Exercise price

243.54

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

—

Notional Stock Units

Direct

Underlying security

Common Stock

Underlying shares

907.07

Shares owned

907.07

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

11.90K

Shares owned

11.90K

Exercise price

337.74

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

6.27K

Shares owned

6.27K

Exercise price

86.17

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

6.16K

Shares owned

6.16K

Exercise price

177.09

Expiration

—

Exercise window

—

Phantom Stock

Direct

Underlying security

Common Stock

Underlying shares

17.59K

Shares owned

17.59K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

88.56K

Owned

88.56K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Non-qualified Stock Option Direct	Common Stock	158.56	—	—	5.51K	5.51K
Non-qualified Stock Option Direct	Common Stock	243.54	—	—	11.39K	11.39K
Non-qualified Stock Option Direct	Common Stock	127.90	—	—	7.25K	7.25K
Notional Stock Units Direct	Common Stock		—	—	907.07	907.07
Non-qualified Stock Option Direct	Common Stock	228.20	—	—	17.77K	17.77K
Non-qualified Stock Option Direct	Common Stock	337.74	—	—	11.90K	11.90K
Non-qualified Stock Option Direct	Common Stock	86.17	—	—	6.27K	6.27K
Phantom Stock Direct	Common Stock		—	—	3.80K	3.80K
Non-qualified Stock Option Direct	Common Stock	177.09	—	—	6.16K	6.16K
Phantom Stock Direct	Common Stock		—	—	17.59K	17.59K
Total					88.56K	88.56K