JAIN VISHAL (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

JAIN VISHAL

Filed: 3/17/2026ACC: 0000354190-26-000093

InsiderJAIN VISHALCIK 1812516

→

IssuerARTHUR J. GALLAGHER & CO.CIK 354190

Officer· VICE PRESIDENT

Since May 2020

+9.28K

Net shares

Net buyer

$654.1K

Total sold

Open market trades

0B · 0S

Total transactions

12.43K acquired · 3.15K disposed

Non-Derivative Transactions4

Common Stock (restricted)

Direct

A · Award

+6.21K

Price / share

—

Trade value

—

% of position

New position

3/15/2026

0.00→6.21K

Common Stock

Direct

M · Option Exercise

+6.21K

Price / share

—

Trade value

—

% of position

9.8%

3/15/2026

63.67K→69.89K

Common Stock

Direct

F · Tax Withholding

−2.65K

Price / share

$207.93

Trade value

$549.97K

% of position

3.8%

3/15/2026

69.89K→67.24K

Common Stock

Direct

F · Tax Withholding

−501.00

Price / share

$207.93

Trade value

$104.17K

% of position

0.7%

3/16/2026

67.24K→66.74K

Total

Net shares

+9.28K

Net value

-$654.15K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock (restricted) Direct	3/15/2026	A · Award	+6.21K	—	—	New position	0.00	6.21K
Common Stock Direct	3/15/2026	M · Option Exercise	+6.21K	—	—	9.8%	63.67K	69.89K
Common Stock Direct	3/15/2026	F · Tax Withholding	−2.65K	$207.93	$549.97K	3.8%	69.89K	67.24K
Common Stock Direct	3/16/2026	F · Tax Withholding	−501.00	$207.93	$104.17K	0.7%	67.24K	66.74K
Total			+9.28K		-$654.15K

Derivative Transactions0

No derivative transactions reported

Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect

Shares owned491.11

Total

491.11 indirect491.11

Security Title	Shares Owned	Ownership Type
Common Stock	491.11	Indirect
Total	491.11	491.11 indirect

Derivative Holdings (Post-Transaction)9

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

8.28K

Shares owned

8.28K

Exercise price

177.09

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

9.95K

Shares owned

9.95K

Exercise price

158.56

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

13.58K

Shares owned

13.58K

Exercise price

127.90

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

14.32K

Shares owned

14.32K

Exercise price

228.20

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

10.45K

Shares owned

10.45K

Exercise price

86.17

Expiration

—

Exercise window

—

Phantom Stock

Direct

Underlying security

Common Stock

Underlying shares

39.51K

Shares owned

39.51K

Exercise price

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

9.59K

Shares owned

9.59K

Exercise price

337.74

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

8.71K

Shares owned

8.71K

Exercise price

243.54

Expiration

—

Exercise window

—

Notional Stock Units

Direct

Underlying security

Common Stock

Underlying shares

5.50K

Shares owned

5.50K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

119.88K

Owned

119.88K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Non-qualified Stock Option Direct	Common Stock	177.09	—	—	8.28K	8.28K
Non-qualified Stock Option Direct	Common Stock	158.56	—	—	9.95K	9.95K
Non-qualified Stock Option Direct	Common Stock	127.90	—	—	13.58K	13.58K
Non-qualified Stock Option Direct	Common Stock	228.20	—	—	14.32K	14.32K
Non-qualified Stock Option Direct	Common Stock	86.17	—	—	10.45K	10.45K
Phantom Stock Direct	Common Stock		—	—	39.51K	39.51K
Non-qualified Stock Option Direct	Common Stock	337.74	—	—	9.59K	9.59K
Non-qualified Stock Option Direct	Common Stock	243.54	—	—	8.71K	8.71K
Notional Stock Units Direct	Common Stock	0	—	—	5.50K	5.50K
Total					119.88K	119.88K