J. Patrick Gallagher Jr. - 15 Mar 2026 Form 4 Insider Report for Arthur J. Gallagher & Co. (AJG)

Reporting relationship
CEO, Director
Issuer ticker
AJG
Reported as of
15 Mar 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
17 Mar 2026, 21:26:38 UTC
Prior SEC filing
06 Mar 2026
Next SEC filing
01 Apr 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Monica Norzagaray, by power of attorney

Key filing fact

J. Patrick Gallagher Jr. filed Form 4 for Arthur J. Gallagher & Co. (AJG) on 17 Mar 2026.

Key facts

  • This page summarizes J. Patrick Gallagher Jr.'s Form 4 filing for Arthur J. Gallagher & Co. (AJG).
  • 4 reported transactions and 8 derivative rows are listed below.
  • Accepted by SEC: 17 Mar 2026, 21:26.

Change

  • Previous filing in this sequence was filed on 06 Mar 2026.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001186006 Primary reporting owner

GALLAGHER J PATRICK JR

Relationship
CEO, Director
Address
2850 GOLF ROAD, ROLLING MEADOWS
Signature
/s/ Monica Norzagaray, by power of attorney
Signature date
17 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AJG transaction

Common Stock (restricted)

Award

Transaction value
Shares
+45,048
Change %
Price
$0.000000*
Shares after
45,048
Date
15 Mar 2026
Ownership
Direct
Footnotes
F1
AJG transaction

Common Stock (restricted)

Options Exercise

Transaction value
Shares
-45,048
Change %
-100%
Price
$0.000000*
Shares after
0
Date
15 Mar 2026
Ownership
Direct
AJG transaction

Common Stock

Options Exercise

Transaction value
Shares
+45,048
Change %
+47%
Price
$0.000000*
Shares after
140,153
Date
15 Mar 2026
Ownership
Direct
AJG transaction

Common Stock

Tax liability

Transaction value
Shares
-19,168
Change %
-14%
Price
$207.93*
Shares after
120,985
Date
15 Mar 2026
Ownership
Direct
AJG holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
5,328
Date
15 Mar 2026
Ownership
By Spouse's Trust
Footnotes
F2
AJG holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
255,965
Date
15 Mar 2026
Ownership
By Corporation
AJG holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
66,703
Date
15 Mar 2026
Ownership
By Irrevocable Trust
AJG holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
270,175
Date
15 Mar 2026
Ownership
By Spouse
Footnotes
F3
AJG holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
219,955
Date
15 Mar 2026
Ownership
By Trust
Footnotes
F4
AJG holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
491
Date
15 Mar 2026
Ownership
Gallagher 401(k) plan account

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AJG holding Derivative

Notional Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
153,788
Date
15 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
153,788
Exercise price
$0.000000
Footnotes
F5, F6
AJG holding Derivative

Phantom Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
143,990
Date
15 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
143,990
Exercise price
Footnotes
F7, F8
AJG holding Derivative

Non-qualified Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
76,975
Date
15 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
76,975
Exercise price
$127.90
Footnotes
F9
AJG holding Derivative

Non-qualified Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
48,449
Date
15 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
48,449
Exercise price
$228.20
Footnotes
F10
AJG holding Derivative

Non-qualified Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
35,825
Date
15 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
35,825
Exercise price
$158.56
Footnotes
F9
AJG holding Derivative

Non-qualified Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
30,029
Date
15 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
30,029
Exercise price
$177.09
Footnotes
F11
AJG holding Derivative

Non-qualified Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
27,210
Date
15 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
27,210
Exercise price
$243.54
Footnotes
F12
AJG holding Derivative

Non-qualified Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
22,727
Date
15 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
22,727
Exercise price
$337.74
Footnotes
F9
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 12 footnotes

Footnote F1

Performance share units (awarded on March 15, 2023) earned and vested as of March 15, 2026.

Footnote F2

Shares held in trust for the benefit of my children of which I am sole Trustee.

Footnote F3

Shares held in revocable trust of which my spouse is sole Trustee and as to which I disclaim beneficial ownership.

Footnote F4

Held in trust for benefit of children.

Footnote F5

Each notional stock unit represents a right to receive one share of Gallagher common stock.

Footnote F6

The notional stock units become payable following the reporting person's separation from service with Gallagher.

Footnote F7

Each share of phantom stock represents a right to receive one share of Gallagher common stock.

Footnote F8

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.

Footnote F9

One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

Footnote F10

One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

Footnote F11

One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

Footnote F12

One-third of this stock option becomes exercisable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

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