MASTERBRAND INC

Ticker: MBC CUSIP: 57638P104 Class: COMMON STOCK

Boston Partners's Holding History (CIK: 0001386060)

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

Q4 2025

Shares 8,696,649 Value ($000) $96,486 Avg Close $11.71 Range $9.33 - $13.61

Q3 2025

Shares 8,930,199 Value ($000) $117,688 Avg Close $12.36 Range $10.76 - $14.22

Q2 2025

Shares 8,280,239 Value ($000) $90,632 Avg Close $11.07 Range $9.63 - $13.52

Q1 2025

Shares 7,827,706 Value ($000) $101,927 Avg Close $15.20 Range $12.68 - $18.15

Q4 2024

Shares 5,237,123 Value ($000) $76,558 Avg Close $17.05 Range $13.90 - $20.67

Q3 2024

Shares 2,873,815 Value ($000) $53,285 Avg Close $16.30 Range $13.97 - $19.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	8,696,649	$96,486	$11.71	$9.33 - $13.61
Q3 2025	8,930,199	$117,688	$12.36	$10.76 - $14.22
Q2 2025	8,280,239	$90,632	$11.07	$9.63 - $13.52
Q1 2025	7,827,706	$101,927	$15.20	$12.68 - $18.15
Q4 2024	5,237,123	$76,558	$17.05	$13.90 - $20.67
Q3 2024	2,873,815	$53,285	$16.30	$13.97 - $19.10