Welcome to our dedicated page for Gallagher (ARTHUR J.) & 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. filings document the reporting record of a global insurance brokerage, risk management and consulting services company with common stock listed on the New York Stock Exchange under AJG. Its 8-K filings regularly report operating results and financial condition, including earnings releases, GAAP and non-GAAP measures, supplemental quarterly data and CFO commentary furnished through Regulation FD disclosures.
The company’s SEC filings also cover proxy governance, executive compensation, director elections, board composition and shareholder meeting matters. Material-event reports document investor presentations, board changes, securities registration information and completed acquisition accounting, including acquired-company financial statements and pro forma financial information for the AssuredPartners transaction.
Arthur J. Gallagher & Co. outlines its global insurance brokerage, reinsurance and risk management operations in its annual report for the year ended December 31, 2025. Brokerage generated about 87% of 2025 revenues and risk management 13%, with roughly 67% of combined segment revenue from the U.S.
The company reports a market capitalization of approximately $67 billion at December 31, 2025 and about 257.1 million common shares outstanding as of January 31, 2026. It has completed roughly 780 acquisitions since 2002, including larger 2025 deals for Woodruff Sawyer and AssuredPartners.
AJG highlights extensive risk factors, including global economic and geopolitical volatility, integration risks from acquisitions, technology and AI-related risks, cybersecurity, sustainability and climate disclosure pressures, regulatory complexity across jurisdictions, tax law changes, competition from traditional and Insurtech rivals, and potential earnings pressure from premium cycles, contingent commissions and rising compensation and benefits costs.
Capital World Investors has filed a Schedule 13G reporting a significant ownership position in Arthur J. Gallagher & Co. common stock. It is deemed the beneficial owner of 12,951,790 shares, representing 5.0% of the 256,800,000 shares believed to be outstanding as of 12/31/2025.
The filing shows sole voting power over 12,752,906 shares and sole dispositive power over 12,951,790 shares, with no shared voting or dispositive power. The securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the company.
Arthur J. Gallagher & Co. VP & Chief Financial Officer Douglas K. Howell reported a discretionary acquisition of 12,892.211 notional stock units tied to Gallagher common stock on February 10, 2026. These units were acquired by moving assets within the company’s Supplemental Savings and Thrift Plan into the Gallagher stock investment option.
Each notional stock unit represents a right to receive one share of common stock, with portions payable in shares in July 2026, 2028 and 2029 and after his separation from service. Following this transaction, Howell held 191,318.0546 notional stock units directly.
Arthur J. Gallagher & Co. filed a current report stating that it issued a press release with financial results for the quarter ended December 31, 2025. The press release is included as an exhibit.
The company also made “Supplemental Quarterly Data” and “CFO Commentary” materials available on its investor relations website. The CFO Commentary includes certain estimates relating to 2026 and other future results, providing additional context around the latest quarterly performance and management’s forward-looking views.
Arthur J. Gallagher & Co. vice president reported equity transactions dated 01/01/2026 related to company stock and deferred compensation. The filing shows 954.69 shares of common stock acquired at $0 under a phantom stock/Age 62 Plan distribution, coded as an exercise or conversion (code M). It also reports 259 shares of common stock disposed of at $258.79 per share, coded as a tax withholding transaction (code F). After these transactions, the officer directly owned 58,418.69 shares of common stock and held additional shares through a Gallagher 401(k) plan account.
Arthur J. Gallagher & Co.’s Vice President and Chief Financial Officer reported a sale of common stock on a Form 4. On 12/22/2025, the insider sold 5,000 shares of Arthur J. Gallagher & Co. common stock at an average weighted price of $258.0485 per share. The filing states this sale was made to cover tax obligations related to the distribution of 35,739 deferred shares under the company’s Supplemental Savings and Thrift Plan.
After these transactions and related adjustments, the reporting person directly beneficially owns 95,580.7558 shares of common stock, with additional indirect holdings through a spouse and a Gallagher 401(k) plan account, as well as notional stock units, stock options, and phantom stock awards that are tied to future vesting or separation from service.
Arthur J. Gallagher & Co. executive activity shows a mix of option exercise, sale, and updated equity holdings. On 12/23/2025, a vice president exercised a non-qualified stock option for 4,000 shares of common stock at an exercise price of $79.59 per share, increasing directly held shares.
That same day, the vice president sold 4,000 shares of common stock at an average price of $258.11 per share, based on multiple trades within a $258.000–$258.600 range, and made a gift of 388 shares. After these transactions, the executive directly owned 16,938.7322 shares of common stock and held 418.658 shares indirectly through a Gallagher 401(k) plan account.
The filing also reports 20,125.736 shares of phantom stock and 1,584.532 notional stock units, each representing a right to receive one share of Gallagher common stock, along with multiple non-qualified stock option grants with various exercise prices and expiration dates.
Arthur J. Gallagher & Co.’s General Counsel reported several stock transactions in a Form 4. On 12/19/2025, the insider exercised 15,850 non-qualified stock options at $79.59 per share and acquired the same number of common shares. That same day, the insider sold 15,850 common shares at $255 per share and made a gift of 1,724 shares at no price.
After these transactions, the insider directly owned 77,825 common shares and held an additional 418.689 shares indirectly through a Gallagher 401(k) plan account. The filing also lists multiple outstanding non-qualified stock options and deferred equity interests, including phantom stock and notional stock units that each represent the right to receive shares of Gallagher common stock under company compensation plans.
Arthur J. Gallagher & Co. insider plans Rule 144 share sale. A person related to the issuer filed a notice to sell 4,000 shares of common stock through Fidelity Brokerage Services LLC on the NYSE, with an aggregate market value of $1,032,440.44. The notice states that 256,800,000 shares of common stock were outstanding at the time of filing. The seller previously disposed of 1,250 common shares on 11/21/2025 for gross proceeds of $313,426.13. The filer represents that they are not aware of any undisclosed material adverse information about the issuer’s operations.
AJG insider Douglas K. Howell has filed a notice to sell up to 5,000 shares of the company’s common stock through Goldman Sachs & Co. LLC on the NYSE around 12/22/2025, with an aggregate market value listed at $1,291,250. The filing notes that these 5,000 shares of common stock were acquired on 08/07/2025 as compensation in the form of restricted stock units from the issuer, and that there were 256,800,000 shares of common stock outstanding. The document also reports that Howell previously sold 8,000 shares of common stock on 09/22/2025 for gross proceeds of $2,395,945.60. The signer represents that he is not aware of any undisclosed material adverse information about the issuer’s current or prospective operations.