Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 18 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 1, 2026 MRSH A 14,907 · · 19,761 Direct +307.11% Acquired (price as of 2026-10-02)
March 15, 2026 MRSH M 1,228 · · 4,854 Direct -20.19% Disposed (price as of 2026-10-02)
March 15, 2026 MRSH F 627 $172.15 $107,938 4,256 Direct -12.84% Disposed -1.2% (price as of 2026-10-02)
March 15, 2026 MRSH M 1,228 · · 4,883 Direct +33.60% Acquired (price as of 2026-10-02)
Feb. 28, 2026 MRSH M 2,219 · · 6,082 Direct -26.73% Disposed (price as of 2026-10-02)
Feb. 28, 2026 MRSH F 1,139 $186.74 $212,697 3,655 Direct -23.76% Disposed -8.9% (price as of 2026-10-02)
Feb. 28, 2026 MRSH M 2,219 · · 4,794 Direct +86.17% Acquired (price as of 2026-10-02)
Feb. 24, 2026 MRSH A 1,609 · · 8,301 Direct +24.04% Acquired (price as of 2026-10-02)
Feb. 24, 2026 MRSH A 28,586 · · 28,586 Direct · Acquired (price as of 2026-10-02)
March 17, 2025 MRSH M 1,227 · · 6,692 Direct -15.49% Disposed (price as of 2026-10-02)
March 17, 2025 MRSH F 627 $230.60 $144,586 2,575 Direct -19.58% Disposed -26.3% (price as of 2026-10-02)
March 17, 2025 MRSH M 1,227 · · 3,202 Direct +62.13% Acquired (price as of 2026-10-02)
Feb. 28, 2025 MRSH M 2,812 · · 7,919 Direct -26.20% Disposed (price as of 2026-10-02)
Feb. 28, 2025 MRSH F 1,437 $233.74 $335,884 1,975 Direct -42.12% Disposed -27.2% (price as of 2026-10-02)
Feb. 28, 2025 MRSH M 2,812 · · 3,412 Direct +468.67% Acquired (price as of 2026-10-02)
Feb. 18, 2025 MRSH A 1,652 · · 10,731 Direct +18.20% Acquired (price as of 2026-10-02)
Feb. 18, 2025 MRSH A 20,064 · · 20,064 Direct · Acquired (price as of 2026-10-02)
April 1, 2024 MRSH A 4,854 · · 9,079 Direct +114.89% Acquired (price as of 2026-10-02)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
May 1, 2026 MRSH Restricted Stock Units Common Stock (14,907) · · 14,907 Acquired
March 15, 2026 MRSH Restricted Stock Units Common Stock (1,228) · · 1,228 Disposed
Feb. 28, 2026 MRSH Restricted Stock Units Common Stock (2,219) · · 2,219 Disposed
Feb. 24, 2026 MRSH Restricted Stock Units Common Stock (1,609) · · 1,609 Acquired
Feb. 24, 2026 MRSH Stock Options (Right to Buy) Common Stock (28,586) $176.99 Feb. 23, 2036 28,586 Acquired
March 17, 2025 MRSH Restricted Stock Units Common Stock (1,227) · · 1,227 Disposed
Feb. 28, 2025 MRSH Restricted Stock Units Common Stock (2,812) · · 2,812 Disposed
Feb. 18, 2025 MRSH Restricted Stock Units Common Stock (1,652) · · 1,652 Acquired
Feb. 18, 2025 MRSH Stock Options (Right to Buy) Common Stock (20,064) $230.29 Feb. 17, 2035 20,064 Acquired
April 1, 2024 MRSH Restricted Stock Units Common Stock (4,854) · · 4,854 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 9 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
April 3, 2024 MRSH Common Stock 600 Direct
April 3, 2024 MRSH Restricted Stock Units→ Common Stock (4,225) 4,225 Direct
April 3, 2024 MRSH Stock Options (Right to Buy)→ Common Stock (2,500) 2,500 Direct
April 3, 2024 MRSH Stock Options (Right to Buy)→ Common Stock (5,609) 5,609 Direct
April 3, 2024 MRSH Stock Options (Right to Buy)→ Common Stock (5,039) 5,039 Direct
April 3, 2024 MRSH Stock Options (Right to Buy)→ Common Stock (5,619) 5,619 Direct
April 3, 2024 MRSH Stock Options (Right to Buy)→ Common Stock (3,984) 3,984 Direct
April 3, 2024 MRSH Stock Options (Right to Buy)→ Common Stock (3,579) 3,579 Direct
April 3, 2024 MRSH Stock Options (Right to Buy)→ Common Stock (22,091) 22,091 Direct

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2025 $900,000 · · · $2,700,000 $6,731 $154,008 $6,175,422
2024 $875,000 · · · $3,100,000 $687 $72,644 $7,356,059

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.