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.
Form 144 filed for Arthur J. Gallagher & Co. (AJG) shows a proposed sale of 12,855 common shares with an aggregate market value of $3,825,688.01, against 256,400,000 shares outstanding. The proposed sale date is 09/08/2025 on the NYSE through Fidelity Brokerage Services LLC.
The filing discloses the acquisition history for the shares to be sold: 4,100 shares from restricted stock vesting on 03/15/2025 (compensation), 1,155 shares from a deferred equity participation program on 04/01/2025 (compensation), and 7,600 shares from option exercise (option granted 03/14/2019) with payment in cash on 09/08/2025. The filer reports nothing to report for securities sold in the past three months and affirms no undisclosed material adverse information.
David S. Johnson, a director of Arthur J. Gallagher & Co. (AJG), reported a non-derivative acquisition on 09/01/2025 of 161.024 shares of the company's common stock at a price of $302.75 per share. The filing states this acquisition arose from Mr. Johnson's prior election under the company's Director Deferral Plan to convert his quarterly cash retainer into deferred share units that will be distributed as common stock. After the transaction, Mr. Johnson beneficially owns 45,624.624 shares. The Form 4 was submitted by power of attorney (Monica Norzagaray) and dated 09/03/2025.
Christopher C. Miskel, a director of Arthur J. Gallagher & Co. (AJG), reported a purchase of the issuer's common stock on 09/01/2025 under Form 4. The filing shows a transaction coded A(1) for Common Stock with an amount listed as 132.122 acquired at a price of $302.75. Following the reported transaction the filing lists 8,947.996 shares beneficially owned. The acquisition is explained as a distribution under the company's Director Deferral Plan: the reporting person elected in a prior year to defer quarterly cash retainer payments into deferred share units that will be distributed in common stock. The form is signed by a power of attorney, Monica Norzagaray, on 09/03/2025. The reporting person is identified as a Director of AJG.
Form 4 filing by Richard C. Cary (Controller, CAO and Director) for Arthur J. Gallagher & Co. (AJG). The filing reports a sale of 4,000 shares of common stock on 08/21/2025 at a reported price of $306 per share. After the transaction Mr. Cary is shown as beneficially owning 56,667.789 shares directly plus an indirect holding of 418.699 shares in a Gallagher 401(k) plan account, with reporting handled under power of attorney on 08/22/2025.
The form clarifies reporting format: previously separate Common Stock and Restricted Common Stock lines will be combined going forward. No derivative transactions, acquisitions, grants, or additional disclosures are included in this filing.
Arthur J. Gallagher & Co. (AJG) Form 4 shows insider transactions by Thomas Joseph Gallagher, an officer (President). On 08/20/2025 he reported dispositions of 875 shares and an acquisition of 375 shares; following those transactions he directly owned 308,046.08 shares and indirectly owned 119,175 shares held by his wife as trustee. On 08/21/2025 there were transfers and transactions resulting in dispositions and acquisitions of 30,000 shares each, and reported indirect holdings across an irrevocable trust, a grantor retained annuity trust (62,295 shares) and a Gallagher 401(k) account (418.7 shares). Explanations state certain shares are held in trusts for his children and that some transfers to an irrevocable trust were for no consideration.
Form 144 notice for Arthur J. Gallagher & Co. (AJG): The filing states a proposed sale of 4,000 common shares$1,224,000, planned for 08/21/2025 on the NYSE. The shares were acquired on 11/05/2024 as a retirement plan distribution from the issuer and were paid as compensation on the same date. The filer reports no securities sold in the past three months.
The filing contains the standard representation that the seller does not possess undisclosed material adverse information about the issuer. Other issuer contact and relationship fields are present but contain no substantive details in the provided content.
Arthur J. Gallagher & Co. completed its previously announced acquisition of all issued and outstanding stock of Dolphin Topco, Inc. for $13.8 billion in cash. The deal closed on August 18, 2025 under a Stock Purchase Agreement dated December 7, 2024 among Gallagher, The AssuredPartners Group LP as seller, and Dolphin Topco. The company financed the purchase with net proceeds from previously disclosed equity and debt financing transactions. Gallagher also issued a press release announcing the closing, which is furnished as an exhibit.
Form 4 highlights: On 07/31/2025 Arthur J. Gallagher & Co. (AJG) President Thomas J. Gallagher converted 1,376.035 notional stock units into an equal number of common shares under the company’s Supplemental Savings and Thrift Plan (transaction code M). The units carried a $0 exercise price because they represent previously deferred compensation.
Following the distribution, Gallagher’s direct holdings rise to 308,921.08 shares. He also retains substantial indirect ownership: 62,295 shares in a GRAT, 66,709 in an irrevocable trust, 181,228 held by his wife in various trusts, and 418.7 in a 401(k) plan. In aggregate, his economic exposure exceeds 619 k shares, while 10,233.3409 notional stock units remain outstanding for future settlement (payable in July 2025–26 or upon separation).
No open-market purchase or sale occurred; the conversion simply shifts deferred units into common stock and marginally increases insider equity alignment. The filing does not signal a change in company fundamentals or provide earnings guidance.
Arthur J. Gallagher & Co. (AJG) – Form 4 insider activity
On 31 Jul 2025, Vice-President & Chief Financial Officer Douglas K. Howell converted 35,739.4628 notional stock units into an equal number of common shares under the company’s Supplemental Savings and Thrift Plan (transaction code “M”). The distribution was executed at a stated price of $0 in accordance with the executive’s prior deferral election.
After the conversion, Howell directly owns 117,776.7558 AJG shares, up from roughly 82 K, and still holds 177,994.9726 notional stock units scheduled to settle in 2024-2029. Indirect holdings include 3,165 shares held by his spouse and 418.691 shares in the company 401(k) plan.
No shares were sold and no cash was paid, so the filing reflects continued equity exposure rather than an open-market purchase. While economically neutral to the company, the additional ownership strengthens management-shareholder alignment.
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