Arthur J. Gallagher & Co. (AJG)
Data as of , from SEC Form 4 filings.
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About Arthur J. Gallagher & Co. (AJG)
Arthur J. Gallagher & Co. files with the SEC under CIK 0000354190 and is classified as insurance agents, brokers and service. We track it alongside the rest of the Financials sector.
AJG Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 4 | 28,500 | $7.56M |
| Grant or award | 1 | 152.67 | |
| Option exercise | 6 | 33,561 | |
AJG insider transactions (Form 4)
91123 Form 4 filings on record, the earliest from Oct 30, 2024, newest first. Filing history page 2 of 3.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| William F. Ziebell - Officer | Option exercise | Common Stock | 50.92 | $215.95 | $11K | |
| William F. Ziebell - Officer | Tax withholding / forfeiture | Common Stock | 50.92 | $215.95 | $11K | |
| William F. Ziebell - Officer | Option exercise | Phantom Stock | 50.92 | $0.00 | - | |
| Walter D. Bay - Officer | Option exercise | Common Stock | 1,415 | $215.95 | $306K | |
| Walter D. Bay - Officer | Tax withholding / forfeiture | Common Stock | 627 | $215.95 | $135K | |
| Walter D. Bay - Officer | Option exercise | Phantom Stock | 1,415 | $0.00 | - | |
| Richard C. Cary - Officer | Option exercise | Common Stock | 471.7 | $215.95 | $102K | |
| Richard C. Cary - Officer | Tax withholding / forfeiture | Common Stock | 139 | $215.95 | $30K | |
| Richard C. Cary - Officer | Option exercise | Phantom Stock | 471.7 | $0.00 | - | |
| J. Patrick Gallagher Jr. - Officer | Option exercise | Common Stock | 5,346 | $215.95 | $1.15M | |
| J. Patrick Gallagher Jr. - Officer | Tax withholding / forfeiture | Common Stock | 2,369 | $215.95 | $512K | |
| J. Patrick Gallagher Jr. - Officer | Option exercise | Phantom Stock | 5,346 | $0.00 | - | |
| Thomas Joseph Gallagher - Officer | Gift | Common Stock | 264 | $0.00 | - | |
| Thomas Joseph Gallagher - Officer | Gift | Common Stock | 528 | $0.00 | - | |
| Thomas Joseph Gallagher - Officer | Gift | Common Stock | 264 | $0.00 | - | |
| Thomas Joseph Gallagher - Officer | Gift | Common Stock | 176 | $0.00 | - | |
| Thomas Joseph Gallagher - Officer | Gift | Common Stock | 264 | $0.00 | - | |
| Thomas Joseph Gallagher - Officer | Gift | Common Stock | 264 | $0.00 | - | |
| Patrick Murphy Gallagher - Officer | Gift | Common Stock | 704 | $0.00 | - | |
| Patrick Murphy Gallagher - Officer | Gift | Common Stock | 704 | $0.00 | - | |
| Patrick Murphy Gallagher - Officer | Other | Notional Stock Units | 1,445 footnote F5 | $214.82 | $310K | |
| ||||||
| William F. Ziebell - Officer | Option exercise | Common Stock (restricted) | 6,930 | $0.00 | - | |
| William F. Ziebell - Officer | Option exercise | Common Stock | 6,930 | $0.00 | - | |
| William F. Ziebell - Officer | Tax withholding / forfeiture | Common Stock | 2,321 | $207.93 | $483K | |
| William F. Ziebell - Officer | Grant or award | Common Stock (restricted) | 6,930 footnote F2 | $0.00 | - | |
| ||||||
| Michael Robert Pesch - Officer | Tax withholding / forfeiture | Common Stock | 525 | $207.93 | $109K | |
| Vishal Jain - Officer | Option exercise | Common Stock | 6,214 | $0.00 | - | |
| Vishal Jain - Officer | Tax withholding / forfeiture | Common Stock | 2,645 | $207.93 | $550K | |
| Vishal Jain - Officer | Grant or award | Common Stock (restricted) | 6,214 footnote F1 | $0.00 | - | |
| Vishal Jain - Officer | Tax withholding / forfeiture | Common Stock | 501 | $207.93 | $104K | |
| ||||||
| Susan E. Pietrucha - Officer | Option exercise | Common Stock (restricted) | 6,612 | $0.00 | - | |
| Susan E. Pietrucha - Officer | Option exercise | Common Stock | 6,612 | $0.00 | - | |
| Susan E. Pietrucha - Officer | Tax withholding / forfeiture | Common Stock | 2,186 | $207.93 | $455K | |
| Susan E. Pietrucha - Officer | Grant or award | Common Stock (restricted) | 6,612 footnote F1 | $0.00 | - | |
| ||||||
| Christopher E. Mead - Officer | Option exercise | Common Stock (restricted) | 5,258 | $0.00 | - | |
| Christopher E. Mead - Officer | Option exercise | Common Stock | 5,258 | $0.00 | - | |
| Christopher E. Mead - Officer | Tax withholding / forfeiture | Common Stock | 2,019 | $207.93 | $420K | |
| Christopher E. Mead - Officer | Grant or award | Common Stock (restricted) | 5,258 footnote F1 | $0.00 | - | |
| Christopher E. Mead - Officer | Tax withholding / forfeiture | Common Stock | 432 | $207.93 | $90K | |
| ||||||
| Option exercise | Common Stock (restricted) | 7,170 | $0.00 | - | ||
| Option exercise | Common Stock | 7,170 | $0.00 | - | ||
| Tax withholding / forfeiture | Common Stock | 2,828 | $207.93 | $588K | ||
| Grant or award | Common Stock (restricted) | 7,170 footnote F1 | $0.00 | - | ||
| ||||||
| Douglas K. Howell - Officer | Option exercise | Common Stock | 14,100 | $79.59 | $1.12M | |
| Douglas K. Howell - Officer | Tax withholding / forfeiture | Common Stock | 8,638 | $207.93 | $1.80M | |
| Douglas K. Howell - Officer | Option exercise | Common Stock (restricted) | 9,082 | $0.00 | - | |
| Douglas K. Howell - Officer | Option exercise | Common Stock | 9,082 | $0.00 | - | |
| Douglas K. Howell - Officer | Tax withholding / forfeiture | Common Stock | 3,865 | $207.93 | $804K | |
| Douglas K. Howell - Officer | Grant or award | Common Stock (restricted) | 9,082 footnote F1 | $0.00 | - | |
| Douglas K. Howell - Officer | Option exercise | Non-qualified Stock Option | 14,100 footnote F3 | $0.00 | - | |
| ||||||
| Thomas Joseph Gallagher - Officer | Option exercise | Common Stock (restricted) | 9,560 | $0.00 | - | |
| Thomas Joseph Gallagher - Officer | Option exercise | Common Stock | 9,560 | $0.00 | - | |
| Thomas Joseph Gallagher - Officer | Tax withholding / forfeiture | Common Stock | 4,068 | $207.93 | $846K | |
| Thomas Joseph Gallagher - Officer | Grant or award | Common Stock (restricted) | 9,560 footnote F1 | $0.00 | - | |
| ||||||
| Patrick Murphy Gallagher - Officer | Option exercise | Common Stock (restricted) | 4,620 | $0.00 | - | |
| Patrick Murphy Gallagher - Officer | Option exercise | Common Stock | 4,620 | $0.00 | - | |
| Patrick Murphy Gallagher - Officer | Tax withholding / forfeiture | Common Stock | 1,962 | $207.93 | $408K | |
| Patrick Murphy Gallagher - Officer | Grant or award | Common Stock (restricted) | 4,620 footnote F1 | $0.00 | - | |
| Patrick Murphy Gallagher - Officer | Tax withholding / forfeiture | Common Stock | 525 | $207.93 | $109K | |
| ||||||
| J. Patrick Gallagher Jr. - Officer | Option exercise | Common Stock (restricted) | 45,048 | $0.00 | - | |
| J. Patrick Gallagher Jr. - Officer | Option exercise | Common Stock | 45,048 | $0.00 | - | |
| J. Patrick Gallagher Jr. - Officer | Tax withholding / forfeiture | Common Stock | 19,168 | $207.93 | $3.99M | |
| J. Patrick Gallagher Jr. - Officer | Grant or award | Common Stock (restricted) | 45,048 footnote F1 | $0.00 | - | |
| ||||||
| Richard C. Cary - Officer | Tax withholding / forfeiture | Common Stock | 181 | $207.93 | $38K | |
| Mark H. Bloom - Officer | Option exercise | Common Stock (restricted) | 3,506 | $0.00 | - | |
| Mark H. Bloom - Officer | Option exercise | Common Stock | 3,506 | $0.00 | - | |
| Mark H. Bloom - Officer | Tax withholding / forfeiture | Common Stock | 793 | $207.93 | $165K | |
| Mark H. Bloom - Officer | Grant or award | Common Stock (restricted) | 3,506 footnote F1 | $0.00 | - | |
| ||||||
| Walter D. Bay - Officer | Option exercise | Common Stock (restricted) | 7,090 | $0.00 | - | |
| Walter D. Bay - Officer | Option exercise | Common Stock | 7,090 | $0.00 | - | |
| Walter D. Bay - Officer | Tax withholding / forfeiture | Common Stock | 2,411 | $207.93 | $501K | |
| Walter D. Bay - Officer | Grant or award | Common Stock (restricted) | 7,090 footnote F1 | $0.00 | - | |
| ||||||
| Vishal Jain - Officer | Option exercise | Common Stock | 8,450 | $79.59 | $673K | |
| Vishal Jain - Officer | Tax withholding / forfeiture | Common Stock | 4,326 | $219.20 | $948K | |
| Vishal Jain - Officer | Option exercise | Non-qualified Stock Option | 8,450 | $0.00 | - | |
| Christopher E. Mead - Officer | Option exercise | Common Stock | 4,000 | $79.59 | $318K | |
| Christopher E. Mead - Officer | Open-market sale | Common Stock | 4,000 | $227.12 footnote F2 | $908K | |
| Christopher E. Mead - Officer | Option exercise | Non-qualified Stock Option | 4,000 | $0.00 | - | |
| ||||||
| Michael Robert Pesch - Officer | Tax withholding / forfeiture | Common Stock | 3,733 | $228.84 | $854K | |
| Michael Robert Pesch - Officer | Option exercise | Non-qualified Stock Option | 6,750 | $0.00 | - | |
| Michael Robert Pesch - Officer | Option exercise | Common Stock | 6,750 | $79.59 | $537K | |
| Option exercise | Common Stock | 3,800 | $79.59 | $302K | ||
| Open-market sale | Common Stock | 3,800 | $227.57 | $865K | ||
| Option exercise | Non-qualified Stock Option | 3,800 | $0.00 | - | ||
| Walter D. Bay - Officer | Grant or award | Phantom Stock | 1,982 | $227.01 | $450K | |
| Mark H. Bloom - Officer | Grant or award | Phantom Stock | 1,542 | $227.01 | $350K | |
| J. Patrick Gallagher Jr. - Officer | Grant or award | Phantom Stock | 7,929 | $227.01 | $1.80M | |
| Patrick Murphy Gallagher - Officer | Grant or award | Phantom Stock | 1,542 | $227.01 | $350K | |
| Douglas K. Howell - Officer | Grant or award | Phantom Stock | 2,643 | $227.01 | $600K | |
| Grant or award | Phantom Stock | 2,203 | $227.01 | $500K | ||
| Vishal Jain - Officer | Grant or award | Phantom Stock | 1,982 | $227.01 | $450K | |
Recent AJG Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Richard C. Cary | Officer | 1,000 | $253K | View on EDGAR | |
| Matrix Trust Co | Trustee for Arthur J Gallagher Rabbi Trust | 15,000 |
Stock trades in AJG disclosed by members of the U.S. House in the last 12 months, newest first. Values are the ranges as filed.
| Member | Type | Traded | Disclosed | Value range | Owner | Days to disclose | Filing |
|---|---|---|---|---|---|---|---|
| Sale |
AJG insider trading FAQ
What is the latest insider trade for AJG?
Arthur J. Gallagher & Co. (AJG) had 9 insider filings in the last 90 days, with the most recent on 17 September 2026. The full record for AJG runs to 123 Form 4 filings, the earliest from 30 October 2024. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying AJG stock?
No insider purchases of AJG were filed in the last 90 days. 5 purchases are on record for this company.
How many insiders are selling AJG stock?
4 insider sales of AJG were filed in the last 90 days, totaling $7.56M.
Where can I see AJG SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects AJG Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Financials companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Richard C. Cary view on EDGAR
- - Patrick Murphy Gallagher view on EDGAR
- - J. Patrick Gallagher Jr. view on EDGAR
- - Scott R. Hudson view on EDGAR
- - Christopher C. Miskel view on EDGAR
- - Walter D. Bay view on EDGAR
- - Christopher E. Mead view on EDGAR
- - Mark H. Bloom view on EDGAR
- - Patrick Murphy Gallagher view on EDGAR
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Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Financials
- Where AJG's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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