THOMAS JOSEPH GALLAGHER - 01 Sep 2021 Form 4 Insider Report for Arthur J. Gallagher & Co. (AJG)

Role: VICE PRESIDENT
Signature: /s/ Seth Diehl, by power of attorney
Issuer symbol: AJG
Transactions as of: 01 Sep 2021
Net transactions value: -$344,605
Form type: 4
Filing time: 03 Sep 2021, 16:27:10 UTC
Previous filing: 12 Aug 2021
Next filing: 24 Feb 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AJG	Common Stock	Options Exercise	$0	+5,686	+2%	$0.000000	295,871	01 Sep 2021	Direct
transaction	AJG	Common Stock	Tax liability	$344,605	-2,386	-0.81%	$144.44	293,485	01 Sep 2021	Direct
holding	AJG	Common Stock						96,007	01 Sep 2021	By grantor retained annuity trust
holding	AJG	Common Stock						66,709	01 Sep 2021	By Irrevocable Trust
holding	AJG	Common Stock						31,671	01 Sep 2021	By wife
holding	AJG	Common Stock						55,280	01 Sep 2021	By wife as trustee	F1, F2
holding	AJG	Common Stock						121	01 Sep 2021	Gallagher 401(k) plan account

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	AJG	Phantom Stock	Options Exercise	$0	-5,686	-55%	$0.000000	4,668	01 Sep 2021	Common Stock	5,686		Direct	F3, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The reporting person disclaims beneficial ownership of these shares, and this report shall not be deemed an admission that the reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.
F2	These shares are held in trusts, for the benefit of the reporting person's children, of which his wife is a trustee.
F3	Each share of phantom stock represents a right to receive one share of Gallagher common stock.
F4	These shares represent awards under the Age 62 Plan, a nonqualified deferred compensation plan of the Company, which have been deemed invested in Company common stock at the election of the reporting person. Participants vest in these awards when they attain age 62, or after a one-year period for participants who have attained age 61.