Brennan Katherine
SEC insider (Form 3/4/5 filer). CIK 0001917984. SVP and General Counsel at MARSH & MCLENNAN COMPANIES, INC. (MRSH). 11 reported Form 4/5 transactions since Sep 2024; latest on Sep 2, 2026. Located in NEW YORK, NY.
Companies Brennan Katherine has filed insider reports for
- MARSH & MCLENNAN COMPANIES, INC. (MRSH): Officer, SVP and General Counsel
Brennan Katherine
CIK: 0001917984
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
MARSH & MCLENNAN COMPANIES, INC.
Discretionary Trading P&L
Holdings
Transaction History (11 total)
- Sep 2, 2026MRSH
MARSH & MCLENNAN COMPANIES, INC.
ExerciseDirect1.2K shares at avg. $83.05$99K - Sep 2, 2026MRSH
MARSH & MCLENNAN COMPANIES, INC.
SaleDirect1.2K shares at avg. $187.90$225K - May 1, 2026MRSH
MARSH & MCLENNAN COMPANIES, INC.
AwardDirectRestricted Stock Units
6K shares- - Feb 28, 2026MRSH
MARSH & MCLENNAN COMPANIES, INC.
ExerciseDirect7K shares- - Feb 28, 2026MRSH
MARSH & MCLENNAN COMPANIES, INC.
Tax PaymentDirect3.9K shares at avg. $186.74$720K - Feb 24, 2026MRSH
MARSH & MCLENNAN COMPANIES, INC.
AwardDirectRestricted Stock Units
7K shares- - Feb 24, 2026MRSH
MARSH & MCLENNAN COMPANIES, INC.
AwardDirectStock Options (Right to Buy)
22.4K shares- - Feb 28, 2025MMC
MARSH & MCLENNAN COMPANIES, INC.
ExerciseDirect2.3K shares- - Feb 28, 2025MMC
MARSH & MCLENNAN COMPANIES, INC.
Tax PaymentDirect1.3K shares at avg. $233.74$300K - Feb 18, 2025MMC
MARSH & MCLENNAN COMPANIES, INC.
AwardDirectRestricted Stock Units
1.7K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 2, 2026 | MRSH MARSH & MCLENNAN COMPANIES, INC. | Exercise | 1,197 | $83.05 | $99,406 | Direct |
| Sep 2, 2026 | MRSH MARSH & MCLENNAN COMPANIES, INC. | Sale | 1,197 | $187.90 | $224,915 | Direct |
| May 1, 2026 | MRSH MARSH & MCLENNAN COMPANIES, INC. | Award Restricted Stock Units | 5,963 | - | - | Direct |
| Feb 28, 2026 | MRSH MARSH & MCLENNAN COMPANIES, INC. | Exercise | 6,970 | - | $0 | Direct |
| Feb 28, 2026 | MRSH MARSH & MCLENNAN COMPANIES, INC. | Tax Payment | 3,855 | $186.74 | $719,883 | Direct |
| Feb 24, 2026 | MRSH MARSH & MCLENNAN COMPANIES, INC. | Award Restricted Stock Units | 6,970 | - | - | Direct |
| Feb 24, 2026 | MRSH MARSH & MCLENNAN COMPANIES, INC. | Award Stock Options (Right to Buy) | 22,372 | - | - | Direct |
| Feb 28, 2025 |  MMC MARSH & MCLENNAN COMPANIES, INC. | Exercise | 2,315 | - | - | Direct |
| Feb 28, 2025 | MMC MARSH & MCLENNAN COMPANIES, INC. | Tax Payment | 1,282 | $233.74 | $299,655 | Direct |
| Feb 18, 2025 | MMC MARSH & MCLENNAN COMPANIES, INC. | Award Restricted Stock Units | 1,736 | - | - | Direct |
1-10 of 11 transactions