Bay Walter D. - Insider Non-Derivative Transactions at Arthur J. Gallagher & Co. (AJG) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Dec 19, 2025, Bay Walter D.'s relationship to Arthur J. Gallagher & Co. (AJG) is Officer (General Counsel), and currently has 95,399 shares of Common Stock, and 7,180 shares of Common Stock (restricted).
The charts below show the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other AJG insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Bay Walter D. - Insider Non-Derivative Transactions of AJG Common Stock
Bay Walter D. - Insider Non-Derivative Transactions of AJG Common Stock (restricted)
Bay Walter D. - Insider Non-Derivative Transactions at AJG
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Dec 20, 2025 | G -- (Common Stock) | 1724 | 0 | 77825 |
| Dec 20, 2025 | Sell -- (Common Stock) | 15850 | 255 | 79549 |
| Dec 20, 2025 | M -- (Common Stock) | 15850 | 79.59 | 95399 |
| Apr 1, 2025 | F -- (Common Stock) | 78.76 | 345.24 | 79470.25 |
| Apr 1, 2025 | M -- (Common Stock) | 78.76 | 0 | 79549 |
| Mar 16, 2025 | M -- (Common Stock (restricted)) | 7180 | 0 | 0 |
| Mar 16, 2025 | Acquisition -- (Common Stock (restricted)) | 7180 | 0 | 7180 |
| Mar 16, 2025 | F -- (Common Stock) | 3108 | 325.24 | 79549 |
| Mar 16, 2025 | M -- (Common Stock) | 7180 | 0 | 82657 |
| Mar 13, 2025 | M -- (Common Stock (restricted)) | 2250 | 0 | 0 |
| Mar 13, 2025 | F -- (Common Stock) | 945 | 325.75 | 75477 |
| Mar 13, 2025 | M -- (Common Stock) | 2250 | 0 | 76422 |
| Feb 14, 2025 | Sell -- (Common Stock) | 10000 | 326.62 | 74172 |
| Feb 6, 2025 | F -- (Common Stock) | 40612.84 | 316.3 | 84172 |
| Feb 6, 2025 | M -- (Common Stock) | 94731.84 | 0 | 124784.84 |
| Jul 31, 2024 | Sell -- (Common Stock) | 6335 | 284.06 | 30053 |
| Jun 19, 2024 | Sell -- (Common Stock) | 8303 | 262.74 | 36388 |
| May 21, 2024 | Sell -- (Common Stock) | 800 | 257.24 | 44691 |
| May 21, 2024 | M -- (Common Stock) | 800 | 70.74 | 45491 |
| May 18, 2024 | Sell -- (Common Stock) | 386 | 258.11 | 44691 |
| May 18, 2024 | Sell -- (Common Stock) | 4468 | 257.53 | 45077 |
| May 18, 2024 | Sell -- (Common Stock) | 3863 | 256.27 | 49545 |
| May 18, 2024 | M -- (Common Stock) | 8717 | 70.74 | 53408 |
| May 17, 2024 | Sell -- (Common Stock) | 7283 | 256.04 | 44691 |
| May 17, 2024 | Sell -- (Common Stock) | 7576 | 253 | 51974 |
| May 17, 2024 | M -- (Common Stock) | 7283 | 70.74 | 59550 |
| Mar 17, 2024 | M -- (Common Stock (restricted)) | 8914 | 0 | 2250 |
| Mar 17, 2024 | Acquisition -- (Common Stock (restricted)) | 8914 | 0 | 11164 |
| Mar 17, 2024 | F -- (Common Stock) | 3858 | 253.17 | 52267 |
| Mar 17, 2024 | M -- (Common Stock) | 8914 | 0 | 56125 |
| Mar 15, 2024 | M -- (Common Stock (restricted)) | 3500 | 0 | 2250 |
| Mar 15, 2024 | F -- (Common Stock) | 980 | 254.91 | 47211 |
| Mar 15, 2024 | M -- (Common Stock) | 3500 | 0 | 48191 |
| Sep 16, 2023 | Sell -- (Common Stock) | 21800 | 232 | 44691 |
| Sep 16, 2023 | M -- (Common Stock) | 21800 | 56.86 | 66491 |
| Mar 16, 2023 | M -- (Common Stock (restricted)) | 4000 | 0 | 5750 |
| Mar 16, 2023 | F -- (Common Stock) | 1773 | 177.09 | 44691 |
| Mar 16, 2023 | M -- (Common Stock) | 4000 | 0 | 46464 |
| Mar 13, 2023 | M -- (Common Stock (restricted)) | 9800 | 0 | 9750 |
| Mar 13, 2023 | Acquisition -- (Common Stock (restricted)) | 9800 | 0 | 19550 |
| Mar 13, 2023 | F -- (Common Stock) | 3530 | 182.76 | 42464 |
| Mar 13, 2023 | M -- (Common Stock) | 9800 | 0 | 45994 |
| Dec 30, 2022 | G -- (Common Stock) | 2023 | 0 | 36194 |
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