Brennan Katherine

Officer · MRSH, MMC

As of 2026-09-16, Brennan Katherine has 14 Form 4 transactions on record across 2 companies — 9 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Trades by company

MRSH · 9 trades
2026-09-02: Sale, 1,197 sh ($225K)2026-09-02: Option exercise, 1,197 sh ($99K)2026-09-02: Option exercise, 1,197 sh ($0)2026-05-01: Award / grant, 5,963 sh ($0)2026-02-28: Withheld for tax, 3,855 sh ($720K)2026-02-28: Option exercise, 6,970 sh ($0)2026-02-28: Option exercise, 6,970 sh ($0)2026-02-24: Award / grant, 22,372 sh ($0)2026-02-24: Award / grant, 6,970 sh ($0)
MMC · 5 trades
2025-02-28: Withheld for tax, 1,282 sh ($300K)2025-02-28: Option exercise, 2,315 sh ($0)2025-02-28: Option exercise, 2,315 sh ($0)2025-02-18: Award / grant, 1,736 sh ($0)2025-02-18: Award / grant, 15,702 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-02MRSHSale1,197 @ $187.90$225K−14.0% of holding7,330Form 4
13 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-02MRSHOption exercise1,1978,527Form 4
2026-09-02MRSHOption exercise1,1970Form 4
2026-05-01MRSHAward / grant5,9635,963Form 4
2026-02-28MRSHWithheld for tax3,8557,330Form 4
2026-02-28MRSHOption exercise6,97011,185Form 4
2026-02-28MRSHOption exercise6,9700Form 4
2026-02-24MRSHAward / grant22,37222,372Form 4
2026-02-24MRSHAward / grant6,9706,970Form 4
2025-02-28MMCWithheld for tax1,2824,215Form 4
2025-02-28MMCOption exercise2,3150Form 4
2025-02-28MMCOption exercise2,3155,497Form 4
2025-02-18MMCAward / grant1,7362,315Form 4
2025-02-18MMCAward / grant15,70215,702Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.