MASCO CORP

Ticker: MAS CUSIP: 574599106 Class: COM

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

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

Q4 2025

Shares 454 Value ($000) $29 Avg Close $64.75 Range $58.29 - $71.30

Q1 2023

Shares 780 Value ($000) $39 Avg Close $48.90 Range $44.50 - $54.07

Q4 2021

Shares 85 Value ($000) $5 Avg Close $59.83 Range $51.05 - $65.60

Q3 2021

Shares 85 Value ($000) $5 Avg Close $54.65 Range $50.50 - $58.29

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	454	$29	$64.75	$58.29 - $71.30
Q1 2023	780	$39	$48.90	$44.50 - $54.07
Q4 2021	85	$5	$59.83	$51.05 - $65.60
Q3 2021	85	$5	$54.65	$50.50 - $58.29