SEC Insider Transactions from Brennan Katherine.

Last updated: 2026-03-14 11:54 UTC | Total transactions: 20

Brennan Katherine has filed 20 insider transactions across 1 company since February 2023.

Most recent transaction: a option exercise of 6970 shares of MARSH & MCLENNAN COMPANIES, INC. ($MRSH) on February 28, 2026.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 28, 2026 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel M Common Stock 6970 $0.00 11,185.0000 494,000,000 165.36% 0.00%
Feb. 28, 2026 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel M Restricted Stock Units 6970 $0.00 0.0000 494,000,000 100.00% 0.00%
Feb. 28, 2026 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel F Common Stock 3855 $186.74 7,330.0000 494,000,000 34.47% 0.00%
Feb. 24, 2026 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel A Restricted Stock Units 6970 $0.00 6,970.0000 494,000,000 9999.99% 0.00%
Feb. 24, 2026 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel A Stock Options (Right to Buy) 22372 $0.00 22,372.0000 494,000,000 9999.99% 0.00%
Feb. 28, 2025 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel M Common Stock 2315 $0.00 5,497.0000 496,000,000 72.75% 0.00%
Feb. 28, 2025 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel F Common Stock 1282 $233.74 4,215.0000 496,000,000 23.32% 0.00%
Feb. 28, 2025 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel M Restricted Stock Units 2315 $0.00 0.0000 496,000,000 100.00% 0.00%
Feb. 18, 2025 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel A Stock Options (Right to Buy) 15702 $0.00 15,702.0000 496,000,000 9999.99% 0.00%
Feb. 18, 2025 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel A Restricted Stock Units 1736 $0.00 2,315.0000 496,000,000 299.83% 0.00%
Feb. 28, 2024 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel F Common Stock 1968 $202.99 3,182.0000 499,000,000 38.21% 0.00%
Feb. 28, 2024 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel M Restricted Stock Units 3557 $0.00 579.0000 499,000,000 86.00% 0.00%
Feb. 28, 2024 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel M Common Stock 3557 $0.00 5,150.0000 499,000,000 223.29% 0.00%
Feb. 22, 2024 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel A Stock Options (Right to Buy) 16066 $0.00 16,066.0000 499,000,000 9999.99% 0.00%
Feb. 22, 2024 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel A Restricted Stock Units 2234 $0.00 4,136.0000 499,000,000 117.46% 0.00%
Feb. 28, 2023 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel M Restricted Stock Units 3568 $0.00 1,902.0000 505,000,000 65.23% 0.00%
Feb. 28, 2023 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel F Common Stock 1975 $162.83 1,593.0000 505,000,000 55.35% 0.00%
Feb. 28, 2023 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel M Common Stock 3568 $0.00 3,568.0000 505,000,000 9999.99% 0.00%
Feb. 23, 2023 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel A Restricted Stock Units 1684 $0.00 5,470.0000 505,000,000 44.48% 0.00%
Feb. 23, 2023 MARSH & MCLENNAN COMPANIES, INC. $MRSH Brennan Katherine SVP and General Counsel A Stock Options (Right to Buy) 15505 $0.00 15,505.0000 505,000,000 9999.99% 0.00%