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Company profile

Arthur J. Gallagher & Co. insider acquisitions

Company CIK 0000354190 · Reported insider acquisitions and filing context.

Company filings at SEC ↗
AJG · NYSE

These are company listings. A transaction is linked to a particular security only when the filing provides enough information.

Company activity summary

By transaction date, as of October 22, 2026.

7 days30 days90 daysOverlapping periods · securities and currencies kept separate

No records are loaded for this 30-day transaction window. This does not establish that no transactions occurred.

Known purchase value sums available amounts for non-derivative purchases only. Missing amounts are excluded. “Currency not specified” does not establish that the amounts share a currency. These summaries use all matching loaded records, while the timeline below covers only the current page.

Transaction timeline

Who reported an acquisition, and when the transaction occurred.

Reported acquisitions by transaction dateEach row is a reporting owner. Select a marker to open its transaction details. Jointly reported transactions appear for each associated reporting owner, without dividing quantities or amounts.Jain VishalJain VishalMead Christopher EMead Christopher EBay Walter D.Bay Walter D.Miskel Christopher C.Miskel Christopher C.JOHNSON DAVID SJOHNSON DAVID SPesch Michael RobertPesch Michael RobertJain Vishal · January 1, 2026 · Exercise / conversion · Common StockMead Christopher E · December 23, 2025 · Exercise / conversion · Common StockBay Walter D. · December 19, 2025 · Exercise / conversion · Common StockMiskel Christopher C. · December 1, 2025 · Stock award · Common StockJOHNSON DAVID S · December 1, 2025 · Stock award · Common StockPesch Michael Robert · November 3, 2025 · Purchase · Common StockPesch Michael Robert · November 3, 2025 · Purchase · Common StockPesch Michael Robert · November 3, 2025 · Purchase · Common StockPesch Michael Robert · November 3, 2025 · Purchase · Common StockNov 3, 2025Jan 1, 2026
PurchaseStock awardGift receivedExercise / conversionConversionOther acquisition

9 dated transactions · 6 of 6 reporting owners shown. Select one owner to focus the chart.

View timeline as a table
Transaction dateCompany / securityReporting ownersAcquisition type
Jan 1, 2026Arthur J. Gallagher & Co.Common StockJain VishalExercise / conversion
Dec 23, 2025Arthur J. Gallagher & Co.Common StockMead Christopher EExercise / conversion
Dec 19, 2025Arthur J. Gallagher & Co.Common StockBay Walter D.Exercise / conversion
Dec 1, 2025Arthur J. Gallagher & Co.Common StockMiskel Christopher C.Stock award
Dec 1, 2025Arthur J. Gallagher & Co.Common StockJOHNSON DAVID SStock award
Nov 3, 2025Arthur J. Gallagher & Co.Common StockPesch Michael RobertPurchase
Nov 3, 2025Arthur J. Gallagher & Co.Common StockPesch Michael RobertPurchase
Nov 3, 2025Arthur J. Gallagher & Co.Common StockPesch Michael RobertPurchase
Nov 3, 2025Arthur J. Gallagher & Co.Common StockPesch Michael RobertPurchase

Only transactions on this page are shown. Date windows end on the latest transaction date in this sample. Joint filings may appear on more than one row. Sales are not included. Share-price charts use a separate data source.

Share price & reported acquisitions

Daily closing prices from a separate source. The date window above also filters prices; reporting-owner and transaction-type selections filter the markers.

Price history is not available

Market-price history is not connected yet.

AJG · Currency not specified. A marker uses that day's closing price, not the reported transaction price. No price is substituted for a missing trading day.

Reported acquisitions

Filing-date filters apply to the list and timeline. The summary above uses transaction dates.

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Reported insider acquisitions, ordered by filing date, newest first. Currency is shown only when reported.
Filed / transactedReporting ownersType / securityQuantityPrice / reference valueDetails
Trade:
Jain VishalVICE PRESIDENT
Exercise / conversionCommon StockNon-derivative security · Code M954.690Value: 0Currency not specifiedView ↗
Trade:
Mead Christopher EVICE PRESIDENT
Exercise / conversionCommon StockNon-derivative security · Code M4,00079.59Value: 318,360Currency not specifiedView ↗
Trade:
Bay Walter D.General Counsel
Exercise / conversionCommon StockNon-derivative security · Code M15,85079.59Value: 1,261,501.5Currency not specifiedView ↗
Trade: Stock awardCommon StockNon-derivative security · Code A162.536246.1Value: 40,000.1096Currency not specifiedView ↗
Trade: Stock awardCommon StockNon-derivative security · Code A198.09246.1Value: 48,749.949Currency not specifiedView ↗
Trade:
Pesch Michael RobertVice President
PurchaseCommon StockNon-derivative security · Code P599248.717 *Value: 148,981.483Currency not specifiedView ↗
Trade:
Pesch Michael RobertVice President
PurchaseCommon StockNon-derivative security · Code P989247.415 *Value: 244,693.435Currency not specifiedView ↗
Trade:
Pesch Michael RobertVice President
PurchaseCommon StockNon-derivative security · Code P1,874246.822 *Value: 462,544.428Currency not specifiedView ↗
Trade:
Pesch Michael RobertVice President
PurchaseCommon StockNon-derivative security · Code P538245.853 *Value: 132,268.914Currency not specifiedView ↗

Reporting owners are associated with a filing. Jointly reported amounts are not allocated to individual owners. Historical coverage is still being built. Read the methodology →