Douglas K. Howell

CIK: 0001222374

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)8 (22.9%)

Position reduction

Option Exercises (M)12 (34.3%)

Derivative conversions

Awards (A)5 (14.3%)

Compensation grants

Other (G, F, J, C, D, …)10 (28.6%)

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 (35 total)

AJG
Arthur J. Gallagher & Co.
Jun 22, 2026
Discretionary(I)
Notional Stock Units
Direct
13K shares at avg. $209.08-
AJG
Arthur J. Gallagher & Co.
Mar 31, 2026
Tax Payment(F)
Direct
76 shares at avg. $215.95$16K
AJG
Arthur J. Gallagher & Co.
Mar 31, 2026
Exercise(M)
Direct
76 shares at avg. $215.95$16K
AJG
Arthur J. Gallagher & Co.
Mar 15, 2026
Award(A)
Direct
9.1K shares-
AJG
Arthur J. Gallagher & Co.
Mar 15, 2026
Tax Payment(F)
Direct
3.9K shares at avg. $207.93$804K
AJG
Arthur J. Gallagher & Co.
Mar 15, 2026
Exercise(M)
Direct
9.1K shares-
AJG
Arthur J. Gallagher & Co.
Mar 15, 2026
Exercise(M)
Direct
9.1K shares-
AJG
Arthur J. Gallagher & Co.
Mar 13, 2026
Exercise(M)
Direct
14.1K shares at avg. $79.59$1.1M
AJG
Arthur J. Gallagher & Co.
Mar 13, 2026
Tax Payment(F)
Direct
8.6K shares at avg. $207.93$1.8M
AJG
Arthur J. Gallagher & Co.
Mar 4, 2026
Award(A)
Phantom Stock
Direct
2.6K shares at avg. $227.01-
AJG
Arthur J. Gallagher & Co.
Mar 1, 2026
Award(A)
Non-qualified Stock Option
Direct
20.7K shares-
AJG
Arthur J. Gallagher & Co.
Feb 10, 2026
Discretionary(I)
Notional Stock Units
Direct
12.9K shares at avg. $212.58-
AJG
Arthur J. Gallagher & Co.
Dec 22, 2025
Gift(G)
Direct
196 shares-
AJG
Arthur J. Gallagher & Co.
Dec 22, 2025
Sale(S)
Direct
5K shares at avg. $258.05$1.3M
AJG
Arthur J. Gallagher & Co.
Sep 22, 2025
Sale(S)
Direct
5.9K shares at avg. $299.44$1.8M
AJG
Arthur J. Gallagher & Co.
Sep 22, 2025
Sale(S)
Direct
2.1K shares at avg. $299.84$630K
AJG
Arthur J. Gallagher & Co.
Sep 19, 2025
Sale(S)
Direct
2.6K shares at avg. $298.69$777K
AJG
Arthur J. Gallagher & Co.
Sep 19, 2025
Sale(S)
Direct
3.4K shares at avg. $299.71$1.0M
AJG
Arthur J. Gallagher & Co.
Sep 9, 2025
Sale(S)
Direct
3K shares at avg. $299.78$899K
AJG
Arthur J. Gallagher & Co.
Jul 31, 2025
Exercise(M)
Direct
35.7K shares-
AJG
Arthur J. Gallagher & Co.
Mar 31, 2025
Exercise(M)
Direct
105 shares-
AJG
Arthur J. Gallagher & Co.
Mar 31, 2025
Tax Payment(F)
Direct
105 shares at avg. $345.24$36K
AJG
Arthur J. Gallagher & Co.
Mar 15, 2025
Award(A)
Direct
9.6K shares-
AJG
Arthur J. Gallagher & Co.
Mar 15, 2025
Exercise(M)
Direct
9.2K shares-
AJG
Arthur J. Gallagher & Co.
Mar 15, 2025
Exercise(M)
Direct
9.2K shares-

		Type	Shares	Price		Ownership
Jun 22, 2026	AJG Arthur J. Gallagher & Co.	Discretionary(I) Notional Stock Units	12,954	$209.08	-	Direct
Mar 31, 2026	AJG Arthur J. Gallagher & Co.	Tax Payment(F)	76	$215.95	$16,495	Direct
Mar 31, 2026	AJG Arthur J. Gallagher & Co.	Exercise(M)	76	$215.95	$16,495	Direct
Mar 15, 2026	AJG Arthur J. Gallagher & Co.	Award(A)	9,082	-	$0	Direct
Mar 15, 2026	AJG Arthur J. Gallagher & Co.	Tax Payment(F)	3,865	$207.93	$803,649	Direct
Mar 15, 2026	AJG Arthur J. Gallagher & Co.	Exercise(M)	9,082	-	$0	Direct
Mar 15, 2026	AJG Arthur J. Gallagher & Co.	Exercise(M)	9,082	-	$0	Direct
Mar 13, 2026	AJG Arthur J. Gallagher & Co.	Exercise(M)	14,100	$79.59	$1,122,219	Direct
Mar 13, 2026	AJG Arthur J. Gallagher & Co.	Tax Payment(F)	8,638	$207.93	$1,796,099	Direct
Mar 4, 2026	AJG Arthur J. Gallagher & Co.	Award(A) Phantom Stock	2,643	$227.01	-	Direct
Mar 1, 2026	AJG Arthur J. Gallagher & Co.	Award(A) Non-qualified Stock Option	20,737	-	-	Direct
Feb 10, 2026	AJG Arthur J. Gallagher & Co.	Discretionary(I) Notional Stock Units	12,892	$212.58	-	Direct
Dec 22, 2025	AJG Arthur J. Gallagher & Co.	Gift(G)	196	-	-	Direct
Dec 22, 2025	AJG Arthur J. Gallagher & Co.	Sale(S)	5,000	$258.05	$1,290,243	Direct
Sep 22, 2025	AJG Arthur J. Gallagher & Co.	Sale(S)	5,900	$299.44	$1,766,684	Direct
Sep 22, 2025	AJG Arthur J. Gallagher & Co.	Sale(S)	2,100	$299.84	$629,660	Direct
Sep 19, 2025	AJG Arthur J. Gallagher & Co.	Sale(S)	2,600	$298.69	$776,584	Direct
Sep 19, 2025	AJG Arthur J. Gallagher & Co.	Sale(S)	3,400	$299.71	$1,019,007	Direct
Sep 9, 2025	AJG Arthur J. Gallagher & Co.	Sale(S)	3,000	$299.78	$899,334	Direct
Jul 31, 2025	AJG Arthur J. Gallagher & Co.	Exercise(M)	35,739	-	-	Direct
Mar 31, 2025	AJG Arthur J. Gallagher & Co.	Exercise(M)	105	-	-	Direct
Mar 31, 2025	AJG Arthur J. Gallagher & Co.	Tax Payment(F)	105	$345.24	$36,253	Direct
Mar 15, 2025	AJG Arthur J. Gallagher & Co.	Award(A)	9,610	-	-	Direct
Mar 15, 2025	AJG Arthur J. Gallagher & Co.	Exercise(M)	9,160	-	-	Direct
Mar 15, 2025	AJG Arthur J. Gallagher & Co.	Exercise(M)	9,160	-	-	Direct

1-25 of 35 transactions

About HOWELL DOUGLAS K

HOWELL DOUGLAS K (SEC CIK 0001222374) files insider reports with the SEC as VP & Chief Financial Officer of Arthur J. Gallagher & Co. (AJG).

Signal8 holds 17 ownership filings by HOWELL DOUGLAS K, all Form 4s, filed between Sep 20, 2024 and Jun 24, 2026. Those filings report 35 transactions, from Sep 19, 2024 to Jun 22, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on HOWELL DOUGLAS K's filings is in ROLLING MEADOWS, IL.

Recent filings by HOWELL DOUGLAS K

Jun 22, 2026: Discretionary transaction transaction of AJG derivative securities (Form 4, code I).
Mar 31, 2026: Tax withholding of AJG shares (Form 4, code F).
Mar 31, 2026: Option exercise of AJG shares (Form 4, code M).
Mar 15, 2026: Grant or award of AJG shares (Form 4, code A).
Mar 15, 2026: Tax withholding of AJG shares (Form 4, code F).

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