Mark H. Bloom

CIK: 0001795399

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)3 (30.0%)

Derivative conversions

Awards (A)4 (40.0%)

Compensation grants

Other (G, F, J, C, D, …)3 (30.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

AJG

Arthur J. Gallagher & Co.

Officer

Discretionary Trading P&L

Holdings

Transaction History (10 total)

AJG
Arthur J. Gallagher & Co.
Aug 16, 2026
Exercise(M)
Direct
1.3K shares-
AJG
Arthur J. Gallagher & Co.
Aug 16, 2026
Tax Payment(F)
Direct
607 shares at avg. $251.21$152K
AJG
Arthur J. Gallagher & Co.
Mar 15, 2026
Exercise(M)
Direct
3.5K shares-
AJG
Arthur J. Gallagher & Co.
Mar 15, 2026
Tax Payment(F)
Direct
793 shares at avg. $207.93$165K
AJG
Arthur J. Gallagher & Co.
Mar 15, 2026
Award(A)
Direct
3.5K shares-
AJG
Arthur J. Gallagher & Co.
Mar 15, 2026
Exercise(M)
Direct
3.5K shares-
AJG
Arthur J. Gallagher & Co.
Mar 4, 2026
Award(A)
Phantom Stock
Direct
1.5K shares at avg. $227.01-
AJG
Arthur J. Gallagher & Co.
Mar 1, 2026
Award(A)
Non-qualified Stock Option
Direct
13.3K shares-
AJG
Arthur J. Gallagher & Co.
Mar 10, 2025
Discretionary(I)
Phantom Stock
Direct
778 shares at avg. $321.23-
AJG
Arthur J. Gallagher & Co.
Mar 1, 2025
Award(A)
Non-qualified Stock Option
Direct
6.9K shares-

		Type	Shares	Price		Ownership
Aug 16, 2026	AJG Arthur J. Gallagher & Co.	Exercise(M)	1,280	-	$0	Direct
Aug 16, 2026	AJG Arthur J. Gallagher & Co.	Tax Payment(F)	607	$251.21	$152,438	Direct
Mar 15, 2026	AJG Arthur J. Gallagher & Co.	Exercise(M)	3,506	-	$0	Direct
Mar 15, 2026	AJG Arthur J. Gallagher & Co.	Tax Payment(F)	793	$207.93	$164,888	Direct
Mar 15, 2026	AJG Arthur J. Gallagher & Co.	Award(A)	3,506	-	$0	Direct
Mar 15, 2026	AJG Arthur J. Gallagher & Co.	Exercise(M)	3,506	-	$0	Direct
Mar 4, 2026	AJG Arthur J. Gallagher & Co.	Award(A) Phantom Stock	1,542	$227.01	-	Direct
Mar 1, 2026	AJG Arthur J. Gallagher & Co.	Award(A) Non-qualified Stock Option	13,331	-	-	Direct
Mar 10, 2025	AJG Arthur J. Gallagher & Co.	Discretionary(I) Phantom Stock	778	$321.23	-	Direct
Mar 1, 2025	AJG Arthur J. Gallagher & Co.	Award(A) Non-qualified Stock Option	6,887	-	-	Direct

1-10 of 10 transactions

About Bloom Mark H.

Bloom Mark H. (SEC CIK 0001795399) files insider reports with the SEC as Vice President of Arthur J. Gallagher & Co. (AJG).

Signal8 holds 6 ownership filings by Bloom Mark H., all Form 4s, filed between Mar 5, 2025 and Aug 18, 2026. Those filings report 10 transactions, from Mar 1, 2025 to Aug 16, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Bloom Mark H.'s filings is in ROLLING MEADOWS, IL.

Recent filings by Bloom Mark H.

Aug 16, 2026: Option exercise of AJG shares (Form 4, code M).
Aug 16, 2026: Tax withholding of AJG shares (Form 4, code F).
Mar 15, 2026: Option exercise of AJG shares (Form 4, code M).
Mar 15, 2026: Tax withholding of AJG shares (Form 4, code F).
Mar 15, 2026: Grant or award of AJG shares (Form 4, code A).

Other insiders filing for Arthur J. Gallagher & Co. (AJG)

Koreyva Kyle Graham, Chief Accounting Officer
CARY RICHARD C, Controller, CAO
Gallagher Patrick Murphy, Chief Operating Officer
GALLAGHER J PATRICK JR, CEO
Hudson Scott R, Vice President
Miskel Christopher C., Director

How to read Form 4 transaction codes