Welcome to our dedicated page for Arthur J. Gallagher & Co SEC filings (Ticker: AJG), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Arthur J. Gallagher & Co.’s story is written one acquisition and policy renewal at a time, which makes its SEC documents a treasure trove for anyone tracking brokerage commission growth or employee-benefit margins. Whether you need the latest goodwill roll-forward from an annual report 10-K or want to confirm how many agencies AJG bought last quarter, every detail lives inside the filings you’ll find here.
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All filing types are covered and searchable:
- 10-K: acquisition strategy, contingent commissions, and reserve sensitivity—Arthur J. Gallagher annual report 10-K simplified
- 10-Q: seasonal premium flows and organic growth—AJG earnings report filing analysis
- 8-K: brokerage divestitures or leadership changes—AJG 8-K material events explained
- Form 4: executive stock trades with Arthur J. Gallagher Form 4 insider transactions real-time
Use these insights to monitor insider buying before renewal season, gauge risk-management fee trends, or benchmark cash flows against peers. Complex insurance brokerage disclosures are finally clear, current, and actionable—thanks to AI guidance and instant SEC feeds.
Arthur J. Gallagher & Co. reported quarterly results for the quarter ended September 30, 2025. The company announced that it issued a press release detailing these results, which is attached as Exhibit 99.1.
The company also made “Supplemental Quarterly Data” and a “CFO Commentary” available on its investor relations website. The CFO Commentary includes certain estimates relating to 2025 and other future results, providing additional context to the quarter’s performance and outlook materials.
Arthur J. Gallagher & Co. (AJG) filed an 8-K/A to amend Item 9.01 related to its completed acquisition of Dolphin Topco, Inc.. The amendment adds the required financial statements and pro forma information for the deal first reported on August 18, 2025.
Filed exhibits include: audited consolidated financial statements of the acquired business for the year ended December 31, 2024 (Ex. 99.1); unaudited condensed consolidated financial statements for the six months ended June 30, 2025 (Ex. 99.2); and AJG’s unaudited pro forma condensed combined balance sheet as of June 30, 2025 and statements of earnings for the six months ended June 30, 2025 and the fiscal year ended December 31, 2024 (Ex. 99.3). A PwC consent is filed as Ex. 23.1. The amendment does not modify other disclosures.
Arthur J. Gallagher & Co. insider Douglas K. Howell, the company's VP & Chief Financial Officer, reported multiple sales of AJG common stock on September 19 and September 22, 2025. The Form 4 shows discrete sales of 2,600, 3,400, 5,900 and 2,100 shares at weighted average prices near $299 per share, leaving 100,776.7558 shares owned directly. The filing also discloses 3,165 shares indirectly held by his spouse, 418.691 shares in a Gallagher 401(k) account, 4,257.047 phantom stock units, and 177,994.9726 notional stock units. The report states the sales were to cover tax withholding on a distribution of 35,739 deferred shares previously distributed.
Form 144 notice for Arthur J. Gallagher & Co. (AJG): The filing reports a proposed sale of 8,000 shares of AJG common stock through Goldman Sachs & Co. LLC, with an approximate sale date of 09/22/2025 and an aggregate market value of $2,400,480. The shares were acquired as compensation (restricted stock units) on 08/07/2025 and paid as compensation. The issuer has 256,400,000 shares outstanding as listed. The filing also discloses three recent sales by Douglas K. Howell totaling 9,000 shares during September 2025 with listed gross proceeds per transaction. The form includes the seller's representation that no undisclosed material adverse information is known.
Arthur J. Gallagher & Co. (AJG) Form 144 shows a proposed sale of 6,000 shares of the issuer's common stock through Goldman Sachs & Co. LLC with an aggregate market value of $1,797,900 and an approximate sale date of 09/19/2025 on the NYSE. The filing states there are 256,400,000 shares outstanding.
The securities listed were largely acquired as compensation in the form of restricted stock units (RSUs) on dates in 2024 and 2025 (including 03/14/2025, 03/15/2025, 05/02/2024, and 08/18/2025), totaling 6,000 units by the dates shown. The filer also reported a prior sale on 09/09/2025 of 3,000 shares for gross proceeds of $899,182.50. The notice includes the filer’s representation that no undisclosed material adverse information is known.
Form 144 filing for Arthur J. Gallagher & Co. (AJG) reports a proposed sale of 15,000 shares of common stock through Pershing LLC with an aggregate market value of $4,371,900. The filing states approximately 256,400,000 shares are outstanding and lists an approximate sale date of 09/17/2025. The 15,000 shares were acquired via open market purchase on 01/01/2012 and paid in cash at purchase.
The filing also discloses a series of sales by Matrix Trust Company over the prior three months, with individual transactions dated from 06/18/2025 through 09/03/2025 and varying share amounts and gross proceeds. The notice includes the required certification that the seller is not aware of undisclosed material adverse information.
Michael Robert Pesch, a Vice President and officer of Arthur J. Gallagher & Co. (AJG), reported a non‑derivative transaction on 09/10/2025 in which 338 shares were disposed of as a gift (Code G) at $0. After the transaction he beneficially owns 37,848.6557 shares directly, plus indirect holdings of 59 shares held by a child, 12,505 shares in a spouse's irrevocable trust and 418.699 shares in a Gallagher 401(k) plan account. The filing was signed via power of attorney on 09/11/2025. The form shows routine insider transfer activity consistent with personal estate or family planning rather than open‑market trading.
Arthur J. Gallagher & Co. insider filing reports that Douglas K. Howell, Vice President & Chief Financial Officer, sold 3,000 shares of AJG common stock on 09/09/2025 at an average weighted price of $299.778 per share (sales ranged $299.47–$299.89). After the sale he directly beneficially owned 114,776.7558 shares, with an additional 3,165 shares held indirectly by his spouse and 418.691 shares in a company 401(k) account.
The filing explains the sale was to cover tax obligations arising from the distribution of 35,739 deferred shares under the company Supplemental Savings and Thrift Plan previously reported on August 4, 2025; in lieu of withholding, he received the full distribution and sold a portion to satisfy taxes. The reporting person disclaims voting or investment power over the spousal-held shares.
Hudson Scott R, a Vice President at Arthur J. Gallagher & Co. (AJG), reported multiple transactions on 09/08/2025. The filing shows the exercise of a non-qualified stock option for 7,600 shares at an exercise price of $79.59, creating ownership of 7,600 shares underlying the option and increasing reported beneficial holdings to 93,520 shares. The same day the report records sales: 7,600 shares sold at an average price of $297.5133 and 5,255 shares sold at $297.733, with reported beneficial ownership after sales at 85,920 shares. The report also discloses 339.027 shares held indirectly in a Gallagher 401(k) plan account. The option vests in three equal annual installments beginning on the third anniversary of the grant.
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