Arthur J. Gallagher & Co.

Current directors and officers who also hold a role at another S&P 500 company.

• Deborah H. CaplanMAA · Director
• Teresa Hillary ClarkeAMT · Director

Latest Schedule 13D/13G filing per holder. Holders that reported falling below 5% are not shown. Index funds usually report once a year.

No 5% holder filings parsed yet for this company.

Open-market purchases and sales reported on Form 4. Grants, option exercises and tax withholding are excluded.

Every 8-K with Item 5.02 (departure, election or appointment of directors and officers). The text is the first paragraph of the item.

1. Aug 27, 2026

   On August 24, 2026, Richard C. Cary, age 63, Controller and Chief Accounting Officer of Arthur J. Gallagher & Co. (the “ Company ”), notified the Company that he plans to retire in 2028 and step down from his role as Controller and Chief Accounting Officer (and as the Company’s principal accounting officer) effective September 30, 2026. Mr. Cary has served as the Company’s Controller since 1997 and as its Chief Accounting Officer since 2001. He will remain employed by the Company as Corporate Vice President - Accounting and will support the transition through his expected retirement in 2028. Mr. Cary’s planned retirement is not due to any disagreement with the Company on any matter relating to the Company's financial statements, internal control over financial reporting, operations, policies or practices.

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2. Mar 12, 2026

   On March 6, 2026, Sherry Barrat informed Arthur J. Gallagher & Co. (the “ Company ”) that she has decided to retire from the Board of Directors (the “ Board ”). Her retirement will be effective on May 12, 2026 upon the election of directors at the 2026 Annual Meeting of Stockholders (the “ 2026 Annual Meeting ”). Accordingly, Ms. Barrat will not stand for reelection at the 2026 Annual Meeting. Ms. Barrat’s decision is not related to any disagreement with the Company on any matter relating to the Company's operations, policies or practices. Effective at the conclusion of the 2026 Annual Meeting, the size of the Board will be reduced from ten to nine members. The Board thanks Ms. Barrat for her years of dedicated service and many contributions to the Company.

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3. Jul 25, 2024

   On July 24, 2024, the Board of Directors (the Board) of the Company increased the number of directors on the Board from nine to ten in accordance with Section 3.1 of the Company’s Amended and Restated By-Laws. The Board appointed Richard Harries to fill the resulting vacancy and to serve as a director until he stands for election at the 2025 Annual Meeting of Stockholders, effective immediately. Concurrently with his appointment to the Board, Mr. Harries was appointed to serve on the Audit and Risk and Compliance Committees of the Board. Mr. Harries will participate in the Company’s standard compensation program for non-employee directors, as described in the proxy statement for its 2024 Annual Meeting of Stockholders in the section entitled “Director Compensation”. The Company will also enter into its standard form of indemnification agreement with Mr. Harries.

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4. Oct 26, 2023

   On October 24, 2023, the Board of Directors (the Board) of the Company appointed Thomas J. Gallagher as President, succeeding J. Patrick Gallagher, Jr. in such role. J. Patrick Gallagher, Jr. will continue to serve as the Company’s Chairman of the Board and Chief Executive Officer. In addition, the Board appointed Patrick M. Gallagher as Chief Operating Officer. Both appointments are effective January 1, 2024. Information with respect to Messrs. T. Gallagher and P.M. Gallagher required to be disclosed under Items 401(b), (d), (e) and Item 404(a) of Regulation S-K pursuant to

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5. May 13, 2022

   (e) At the Annual Meeting, stockholders approved the 2022 Long-Term Incentive Plan, which replaces the prior plan (the “ 2017 Long-Term Incentive Plan ”) for purposes of new grants. The 2022 Long-Term Incentive plan is substantially the same as the 2017 Long-Term Incentive Plan, except as described here. Specifically, the maximum number of shares that may be awarded under the 2022 Long-Term Incentive Plan is 13.5 million, plus any shares subject to outstanding awards under prior plans that are subsequently settled for cash, forfeited, expired or for any reason canceled or terminated without resulting in the issuance of shares.

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6. Jul 28, 2021

   On July 28, 2021, the Board of Directors (the “ Board ”) of Arthur J. Gallagher & Co. (“ Gallagher ”) increased the number of directors on the Board from nine to ten in accordance with Section 3.1 of Gallagher’s Amended and Restated By-Laws. The Board appointed Teresa H. Clarke to fill a resulting vacancy and to serve as a director of Gallagher until she stands for election at the 2022 Annual Meeting of Stockholders. Concurrently with her appointment to the Board, Ms. Clarke was appointed to serve on the Audit Committee of the Board. Ms. Clarke will participate in Gallagher’s standard compensation program for non-employee directors, as described in Gallagher’s proxy statement for its 2021 Annual Meeting of Stockholders in the section entitled “Director Compensation” and incorporated by reference herein. There are no transactions in which Ms.

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7. Mar 12, 2020

   On March 12, 2020, the Board of Directors (the “ Board ”) of Arthur J. Gallagher & Co. (“ Gallagher ”) increased the number of directors on the Board from nine to ten in accordance with Section 3.1 of Gallagher’s Amended and Restated By-Laws. The Board appointed Christopher C. Miskel to fill a resulting vacancy and to serve as a director of Gallagher until he stands for election at the 2020 Annual Meeting of Stockholders. Concurrently with his appointment to the Board, Mr. Miskel was appointed to serve on the Audit Committee of the Board. Mr. Miskel will participate in Gallagher’s standard compensation program for non-employee directors, as described in Gallagher’s proxy statement for its 2019 Annual Meeting of Stockholders in the section entitled “Director Compensation” and incorporated by reference herein. There are no transactions in which Mr.

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8. May 16, 2017

   (e) At the Annual Meeting, stockholders approved the 2017 Long-Term Incentive Plan, which replaces the prior plan (the 2014 Long-Term Incentive Plan) for purposes of new grants. The maximum number of shares that may be awarded under the 2017 Long-Term Incentive Plan is 16 million, plus any shares subject to outstanding awards under prior plans that are subsequently settled for cash, forfeited, expired or for any reason canceled or terminated without resulting in the issuance of shares. A maximum of 4 million shares may be issued under the 2017 Long-Term Incentive Plan as full-value awards.

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9. Jan 28, 2016

   On January 28, 2016, the Board of Directors (the “ Board ”) of Arthur J. Gallagher & Co. (“ Gallagher ”) increased the number of directors on the Board from 9 to 10, in accordance with Section 3.1 of Gallagher’s Bylaws. In order to fill the resulting vacancy, the Board appointed Ralph J. Nicoletti as a director of Gallagher, to serve until he stands for election at the 2016 Annual Meeting of Stockholders. Concurrently with his appointment to the Board, Mr. Nicoletti was appointed to serve on the Audit Committee of the Board. Mr. Nicoletti will participate in Gallagher’s standard compensation program for non-employee directors, as described in Gallagher’s proxy statement for its 2015 Annual Meeting of Stockholders in the section entitled “Director Compensation” and incorporated by reference herein. There are no transactions in which Mr.

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Proxy statements (DEF 14A): 2026 · 2025 · 2024 · 2023 · 2022 · 2021

From the company's 10-K XBRL data (SEC companyfacts).

People who stopped filing as an insider of this company. “Last filing” is the last Form 3/4/5, an upper bound on when they left.