CARY RICHARD C (Controller, CAO) sold 2.1% of their position (1K shares) of ARTHUR J. GALLAGHER & CO. on the open market

Open‑market sale worth $252.9K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

CARY RICHARD C

Filed: 9/17/2026ACC: 0000354190-26-000209

InsiderCARY RICHARD CCIK 1185998

→

IssuerARTHUR J. GALLAGHER & CO.CIK 354190

Officer· Controller, CAO

Since Aug 2018

-1K

Net shares

Net seller

$252.9K

Total sold

Open market trades

0B · 1S

Total transactions

1K disposed

Non-Derivative Transactions1

Common Stock

Direct

S · Sale

−1K

Price / share

$252.86

Trade value

$252.86K

% of position

2.1%

9/15/2026

47.82K→46.82K

Total

Net shares

−1K

Net value

-$252.86K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	9/15/2026	S · Sale	−1K	$252.86	$252.86K	2.1%	47.82K	46.82K
Total			−1K		-$252.86K

Derivative Transactions0

No derivative transactions reported

Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect

Shares owned418.70

Total

418.70 indirect418.70

Security Title	Shares Owned	Ownership Type
Common Stock	418.70	Indirect
Total	418.70	418.70 indirect

Derivative Holdings (Post-Transaction)6

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

1.57K

Shares owned

1.57K

Exercise price

177.09

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

2.27K

Shares owned

2.27K

Exercise price

158.56

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

1.22K

Shares owned

1.22K

Exercise price

86.17

Expiration

—

Exercise window

—

Phantom Stock

Direct

Underlying security

Common Stock

Underlying shares

160.69

Shares owned

160.69

Exercise price

Expiration

—

Exercise window

—

Notional Stock Units

Direct

Underlying security

Common Stock

Underlying shares

1.02K

Shares owned

1.02K

Exercise price

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

2.35K

Shares owned

2.35K

Exercise price

127.90

Expiration

—

Exercise window

—

Total

Underlying

8.58K

Owned

8.58K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Non-qualified Stock Option Direct	Common Stock	177.09	—	—	1.57K	1.57K
Non-qualified Stock Option Direct	Common Stock	158.56	—	—	2.27K	2.27K
Non-qualified Stock Option Direct	Common Stock	86.17	—	—	1.22K	1.22K
Phantom Stock Direct	Common Stock		—	—	160.69	160.69
Notional Stock Units Direct	Common Stock		—	—	1.02K	1.02K
Non-qualified Stock Option Direct	Common Stock	127.90	—	—	2.35K	2.35K
Total					8.58K	8.58K