Ziebell William F
SEC insider (Form 3/4/5 filer). CIK 0001695709. VICE PRESIDENT at Arthur J. Gallagher & Co. (AJG). 18 reported Form 4/5 transactions since Sep 2024; latest on Mar 31, 2026. Located in ROLLING MEADOWS, IL.
Companies Ziebell William F has filed insider reports for
- Arthur J. Gallagher & Co. (AJG): Officer, VICE PRESIDENT
Ziebell William F
CIK: 0001695709
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Arthur J. Gallagher & Co.
Discretionary Trading P&L
Holdings
Transaction History (18 total)
- Mar 31, 2026AJG
Arthur J. Gallagher & Co.
Tax PaymentDirect51 shares at avg. $215.95$11K - Mar 31, 2026AJG
Arthur J. Gallagher & Co.
ExerciseDirect51 shares at avg. $215.95$11K - Mar 15, 2026AJG
Arthur J. Gallagher & Co.
ExerciseDirect6.9K shares- - Mar 15, 2026AJG
Arthur J. Gallagher & Co.
AwardDirect6.9K shares- - Mar 15, 2026AJG
Arthur J. Gallagher & Co.
Tax PaymentDirect2.3K shares at avg. $207.93$483K - Mar 15, 2026AJG
Arthur J. Gallagher & Co.
ExerciseDirect6.9K shares- - Mar 31, 2025AJG
Arthur J. Gallagher & Co.
ExerciseDirect70 shares- - Mar 31, 2025AJG
Arthur J. Gallagher & Co.
Tax PaymentDirect70 shares at avg. $345.24$24K - Mar 15, 2025AJG
Arthur J. Gallagher & Co.
ExerciseDirect7K shares- - Mar 15, 2025AJG
Arthur J. Gallagher & Co.
AwardDirect7K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Mar 31, 2026 | AJG Arthur J. Gallagher & Co. | Tax Payment | 51 | $215.95 | $10,996 | Direct |
| Mar 31, 2026 | AJG Arthur J. Gallagher & Co. | Exercise | 51 | $215.95 | $10,996 | Direct |
| Mar 15, 2026 | AJG Arthur J. Gallagher & Co. | Exercise | 6,930 | - | $0 | Direct |
| Mar 15, 2026 | AJG Arthur J. Gallagher & Co. | Award | 6,930 | - | $0 | Direct |
| Mar 15, 2026 | AJG Arthur J. Gallagher & Co. | Tax Payment | 2,321 | $207.93 | $482,606 | Direct |
| Mar 15, 2026 | AJG Arthur J. Gallagher & Co. | Exercise | 6,930 | - | $0 | Direct |
| Mar 31, 2025 | AJG Arthur J. Gallagher & Co. | Exercise | 70 | - | - | Direct |
| Mar 31, 2025 | AJG Arthur J. Gallagher & Co. | Tax Payment | 70 | $345.24 | $24,168 | Direct |
| Mar 15, 2025 | AJG Arthur J. Gallagher & Co. | Exercise | 6,990 | - | - | Direct |
| Mar 15, 2025 | AJG Arthur J. Gallagher & Co. | Award | 6,990 | - | - | Direct |
1-10 of 18 transactions