PESCH MICHAEL ROBERT

PrivateCIK: 2022545

Location

ROLLING MEADOWS, IL

PESCH MICHAEL ROBERT (Vice President) exercised options at ARTHUR J. GALLAGHER & CO.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise

PESCH MICHAEL ROBERT

Filed: 7/7/2026ACC: 0000354190-26-000175

InsiderPESCH MICHAEL ROBERTCIK 2022545

→

IssuerARTHUR J. GALLAGHER & CO.CIK 354190

Officer· Vice President

Since Mar 2026

0.00

Net shares

Net seller

$81.7K

Total acquired

0

Open market trades

0B · 0S

2

Total transactions

355.80 acquired · 355.80 disposed

Non-Derivative Transactions1

Common Stock

Direct

M · Option Exercise

Shares

+355.80

Price / share

$229.57

Trade value

$81.68K

% of position

0.8%

7/1/2026

44.48K→44.83K

Total

Net shares

+355.80

Net value

$81.68K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	7/1/2026	M · Option Exercise	+355.80	$229.57	$81.68K	0.8%	44.48K	44.83K
Total			+355.80		$81.68K

Derivative Transactions1

Notional Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

355.80 shares

Shares

−355.80

Strike price

0

Held after

6.13K

Exercisable

—

7/1/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Notional Stock Units Direct	Common Stock355.80 shares	7/1/2026	M · Option Exercise	−355.80	0	—	6.13K

Non-Derivative Holdings (Post-Transaction)3

Common Stock

Indirect

Shares owned491.14

Common Stock

Indirect

Shares owned12.51K

Common Stock

Indirect

Shares owned59.00

Total

13.06K indirect13.06K

Security Title	Shares Owned	Ownership Type
Common Stock	491.14	Indirect
Common Stock	12.51K	Indirect
Common Stock	59.00	Indirect
Total	13.06K	13.06K indirect

Derivative Holdings (Post-Transaction)6

Phantom Stock

Direct

Underlying security

Common Stock

Underlying shares

49.55K

Shares owned

49.55K

Exercise price

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

4.90K

Shares owned

4.90K

Exercise price

158.56

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

3.82K

Shares owned

3.82K

Exercise price

177.09

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

7.52K

Shares owned

7.52K

Exercise price

86.17

Expiration

—

Exercise window

—

Non-qualified Stock Option

Direct

Underlying security

Common Stock

Underlying shares

13.17K

Shares owned

13.17K

Exercise price

228.20

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

—

Total

Underlying

86.21K

Owned

86.21K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Phantom Stock Direct	Common Stock		—	—	49.55K	49.55K
Non-qualified Stock Option Direct	Common Stock	158.56	—	—	4.90K	4.90K
Non-qualified Stock Option Direct	Common Stock	177.09	—	—	3.82K	3.82K
Non-qualified Stock Option Direct	Common Stock	86.17	—	—	7.52K	7.52K
Non-qualified Stock Option Direct	Common Stock	228.20	—	—	13.17K	13.17K
Non-qualified Stock Option Direct	Common Stock	127.90	—	—	7.25K	7.25K
Total					86.21K	86.21K