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MARSH & MCLENNAN COMPANIES, INC. filed an initial insider ownership report for director Peter Harrison on Form 3. The filing lists Harrison as a director and does not report any share purchases, sales, or other equity transactions, reflecting a purely administrative disclosure of his status.
Marsh & McLennan Companies SVP and Chief Information Officer Paul Beswick reported routine equity compensation activity. On vesting, 6,970 restricted stock units converted into an equal number of common shares on a 1-for-1 basis. Of these, 3,403 shares were withheld by the company to cover applicable taxes, leaving Beswick with 17,089 shares of common stock held directly.
Marsh & McLennan Companies SVP and General Counsel Katherine Brennan reported the vesting of 6,970 restricted stock units into common stock. The units, which relate to performance stock units granted on February 23, 2023 for the 2023-2025 performance period, converted to common stock on a 1-for-1 basis on February 28, 2026.
Of these 6,970 shares, 3,855 common shares were withheld by Marsh & McLennan Companies at a price of $186.74 per share to cover applicable taxes, reflecting a tax-withholding disposition rather than an open-market sale. Following these transactions, Brennan directly owns 7,330 shares of Marsh & McLennan Companies common stock.
Marsh & McLennan Companies President and CEO John Q. Doyle reported equity compensation activity involving restricted stock units and common stock. On February 28, 2026, 59,510 restricted stock units vested and converted into an equal number of Marsh & McLennan common shares on a 1-for-1 basis. To cover applicable taxes on this vesting, 30,380 common shares were withheld by the company at a price of $186.74 per share. After these transactions, Doyle directly owned 116,811.0205 shares of common stock.
Marsh & McLennan Companies executive Carmen Fernandez, SVP and Chief People Officer, reported equity award activity tied to previously granted performance stock units. On February 28, 2026, 6,970 restricted stock units vested and converted into common shares on a 1-for-1 basis. Of these, 3,855 shares of common stock were withheld by the company to cover applicable taxes at a price of $186.74 per share, a tax-withholding disposition rather than an open-market sale. Following these transactions, Fernandez directly owned 12,995 shares of common stock, and indirectly held 282.917 shares through the Marsh & McLennan Companies 401(k) Savings & Investment Plan, based on the plan statement as of February 28, 2026.
Marsh & McLennan Companies Chief Marketing Officer John Jude Jones reported equity award activity involving restricted stock units and common stock. On February 28, 2026, 4,826 restricted stock units converted into common shares on a 1-for-1 basis, reflecting vesting of performance stock units granted on February 23, 2023 for the 2023–2025 performance period.
Of these shares, 2,464 common shares were withheld by Marsh & McLennan Companies at a price of $186.74 per share to cover applicable taxes. After these transactions, Jones directly held 10,340 common shares and 140.602 restricted stock units under the Supplemental Savings & Investment Plan.
In addition, 1,819.885 common shares were held indirectly through the Marsh & McLennan Companies 401(k) Savings & Investment Plan, with the plan custodian acquiring shares at prevailing market prices as of February 28, 2026.
Marsh & McLennan Companies executive Dean Michael Klisura reported equity compensation activity involving restricted stock units and common shares. On February 28, 2026, 9,383 restricted stock units vested and converted into an equal number of common shares on a 1‑for‑1 basis. Of these, 5,189 shares were withheld by the company at a price of $186.74 per share to cover taxes, leaving the remainder added to his directly held common stock, which totaled 25,129.48 shares after the tax withholding. He also reported 1,679.724 restricted stock units under the Supplemental Savings & Investment Plan, reflecting additional units acquired by the plan custodian at prevailing market prices as of that date.
Marsh & McLennan Companies Chief Financial Officer Mark C. McGivney reported the vesting and distribution of 17,961 restricted stock units that convert into common stock on a 1-for-1 basis. These units relate to performance stock units granted on February 23, 2023 for the 2023-2025 performance period.
Of the 17,961 resulting common shares, 9,170 shares were withheld by Marsh & McLennan Companies at a price of $186.74 per share to cover applicable taxes. Following these transactions, McGivney directly holds 42,469 shares of common stock.
Marsh & McLennan Companies President & CEO of Marsh Risk, South Martin, reported equity compensation activity. On the transaction date, 14,476 restricted stock units vested and converted into the same number of common shares on a 1-for-1 basis. Of these, 8,006 shares were withheld by the company at a price of $186.74 per share to cover applicable taxes, classified as a tax-withholding disposition rather than an open-market sale. The vested units relate to performance stock units granted on February 23, 2023 for the 2023-2025 performance period. Following these transactions, Martin directly held 23,650.539 common shares, which includes 118.022 shares acquired under the employee stock purchase plan for several quarters in 2025.