MASTERBRAND INC

Ticker: MBC CUSIP: 57638P104 Class: COMMON STOCK

BEACONLIGHT CAPITAL, LLC's Holding History (CIK: 0001569537)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025

Shares 292,959 Value ($000) $3,858 Avg Close $12.36 Range $10.76 - $14.22

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	292,959	$3,858	$12.36	$10.76 - $14.22