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.
This page provides access to U.S. Securities and Exchange Commission filings for Arthur J. Gallagher & Co. (NYSE: AJG), a global insurance brokerage, risk management and consulting services firm headquartered in Rolling Meadows, Illinois. Through these filings, investors can review how Gallagher reports on its insurance brokerage, risk management and consulting operations, as well as its capital markets activity and acquisition strategy.
Arthur J. Gallagher & Co. files current reports on Form 8‑K to disclose material events. Recent 8‑K filings include announcements of quarterly financial results, where the company provides segment data for its Brokerage and Risk Management businesses, along with adjusted non‑GAAP measures and reconciliations. Other 8‑K filings describe investor meetings and webcasts, noting when updated “CFO Commentary” and “Supplemental Quarterly Data” are made available.
Filings also document acquisition activity. An 8‑K dated August 18, 2025, details the completion of the acquisition of Dolphin Topco, Inc. from The AssuredPartners Group LP, including the aggregate cash purchase price and the use of equity and debt financing transactions to fund the deal. A related 8‑K/A filing provides audited and unaudited financial statements of the acquired business and pro forma condensed combined financial information for Arthur J. Gallagher & Co., giving readers insight into the impact of this transaction on the company’s financial statements.
On this SEC filings page, users can review forms such as Form 8‑K and 8‑K/A, and, when available, annual reports on Form 10‑K, quarterly reports on Form 10‑Q and other disclosures that outline Gallagher’s financial condition, segment performance and risk factors. These documents also confirm the company’s listing on the New York Stock Exchange under the symbol AJG and its registration under Section 12(b) of the Securities Exchange Act of 1934.
Stock Titan enhances access to these filings with AI‑powered summaries and highlights. Instead of reading full‑length documents line by line, users can rely on AI to surface key points from earnings releases, acquisition disclosures, pro forma financial information and other regulatory content. Real‑time updates from EDGAR help ensure that new filings, including any future Forms 10‑K, 10‑Q or Form 4 insider transaction reports, appear promptly, while AI explanations aim to make Gallagher’s complex financial and regulatory information more approachable for a broad range of investors.
Arthur J. Gallagher & Co. Chief Operating Officer Patrick Murphy Gallagher reported small, non-market gifts and deferred compensation moves rather than open-market trades. He made two bona fide gifts totaling 1,408 shares of common stock, split between his direct holdings and shares held by his spouse as trustee, at no sale price. He also executed a discretionary transaction moving $310,357.10 of assets in a company supplemental savings plan into an investment option tied to Gallagher common stock, creating 1,444.731 notional stock units at $214.82 each, with 2,351.803 units shown as of that date. The notional and phantom stock units and multiple non-qualified stock option grants, with expirations running through 2033, represent compensation and long-term incentives payable or exercisable in the future, while he continues to hold meaningful direct and indirect common stock positions through personal accounts, a 401(k) plan and various family trusts.
Arthur J. Gallagher & Co. filed its Annual Report on Form 10-K for the fiscal year ended December 31, 2025, describing business operations, risks, and strategy.
The report states a market capitalization of $67 billion at December 31, 2025, an aggregate market value of voting common equity of $71,117 million as of June 30, 2025, and 257.1 million shares outstanding as of January 31, 2026. It reports that brokerage and risk management segments contributed approximately 87% and 13%, respectively, to 2025 revenues and that Gallagher completed multiple acquisitions in 2025 including Woodruff Sawyer and AssuredPartners.
Arthur J. Gallagher & Co. is soliciting proxies for its 2026 virtual annual meeting, where stockholders will elect 9 directors, ratify Ernst & Young LLP as auditor, and cast an advisory vote on executive pay.
The company highlights a strong 2025, with combined brokerage and risk management adjusted revenue up 20.7% to $13.7 billion, adjusted EBITDAC up 25.7% to $4.8 billion, and 6% organic revenue growth in each segment. Gallagher completed 33 acquisitions representing $3.6 billion of estimated acquired annualized revenue, including AssuredPartners, described as the largest deal in both company and insurance brokerage industry history.
The proxy details board composition, committee structures, sustainability and AI risk oversight, executive and director compensation (including majority performance-based incentives and robust stock ownership guidelines), related-person employment relationships, and equity compensation plans. The board recommends voting FOR all proposals.
Arthur J. Gallagher & Co. Vice President William F. Ziebell reported compensation-related equity activity on March 15, 2026. He received a grant of 6,930 restricted common shares, earned from performance share units awarded in 2023. These units were converted into common stock, and 2,321 shares were withheld at $207.93 per share to cover tax obligations, leaving 48,684.8241 common shares held directly. The filing notes it was submitted one day late due to a technical issue and shows substantial remaining phantom stock and non-qualified stock options linked to Gallagher common shares.
Arthur J. Gallagher & Co. vice president Michael Robert Pesch reported a tax-related share disposition. On March 16, 2026, 525 shares of common stock were withheld at $207.93 per share to cover tax obligations from vested restricted stock units, rather than sold on the open market.
After this withholding, he directly holds 44,379.2717 common shares, along with indirect holdings of common stock by a child, a spouse’s irrevocable trust, and a Gallagher 401(k) plan account. He also retains phantom stock, notional stock units, and multiple non-qualified stock options on Gallagher common stock with various exercise prices and expirations.
AJG files a Rule 144 notice to sell 15,000 shares. The filing lists an aggregate cash figure of 3137400.00 and reports 257,100,000 shares outstanding as of 03/18/2026. The excerpt shows multiple prior trades by Matrix Trust Company, including sales of 5,943 shares on 01/06/2026 and 5,926 shares on 01/22/2026.
This notice is a routine Rule 144 disclosure of restricted/controlled common stock sales under open-market methods. The filing lists transaction dates and dollar amounts for numerous small trades; cash‑flow treatment and any proceeds recipient are shown as trade-level cash amounts in the entries.
Arthur J. Gallagher & Co. vice president Vishal Jain reported equity compensation and related tax-withholding transactions involving the company’s common stock. On March 15, 2026, he received 6,214 restricted shares of common stock and separately acquired 6,214 common shares through an option exercise coded M.
To cover tax obligations on these vesting events, a total of 3,146 common shares were withheld at $207.93 per share across March 15–16, 2026 under F-code transactions, which are not open‑market sales. Following these transactions, Jain directly holds 66,740.69 common shares, plus additional indirect holdings through a Gallagher 401(k) plan account.
He also holds various derivative awards, including phantom stock and non‑qualified stock options over Gallagher common stock, with exercise prices ranging from $86.17 to $337.74 and stated expiration dates between 2027 and 2033, as well as notional stock units that convert into common shares after separation from service.
Arthur J. Gallagher & Co. Chief Human Resources Officer Susan E. Pietrucha reported equity compensation activity involving performance-based shares and related tax withholding. Performance share units awarded on March 15, 2023 were earned and vested as of March 15, 2026, resulting in an award of 6,612 shares of restricted common stock at a stated price of $0.00 per share.
Those restricted shares were then converted into 6,612 shares of common stock, and 2,186 of those common shares were withheld at $207.93 per share to cover tax obligations. After these transactions, she directly holds 16,396.7715 shares of common stock and indirectly holds 367.312 shares through a Gallagher 401(k) plan account. She also retains derivative interests, including 100,637.795 phantom stock units and 15,324.048 notional stock units linked to common stock, plus several non-qualified stock option grants with stated exercise prices and future expiration dates.
Arthur J. Gallagher & Co. vice president Christopher E. Mead reported routine equity compensation and related tax share withholding. On March 15, 2026, performance share units awarded on March 15, 2023 were earned and vested, resulting in 5,258 shares of restricted common stock that were then converted into common shares. To cover tax obligations from this vesting, the company withheld 2,019 shares on March 15 and a further 432 shares on March 16 at a price of $207.93 per share. After these transactions, Mead directly holds 22,112.7322 shares of common stock, plus 491.098 shares held indirectly in a Gallagher 401(k) plan account. He also retains significant equity-linked interests, including 21,803.927 phantom stock units, various non-qualified stock options over blocks of common shares with exercise prices between $86.17 and $337.74, and 1,982.8313 notional stock units that become payable after his separation from service.
Arthur J. Gallagher & Co. Vice President Scott R. Hudson reported compensation-related equity activity on March 15, 2026. He received 7,170 shares of restricted common stock from performance share units that were earned and vested, which then converted into common stock. 2,828 shares were withheld at $207.93 per share to cover taxes, and he now holds 90,262 common shares directly, along with additional stock options, notional stock units and phantom stock tied to Gallagher common stock.