MERCK & CO INC

Ticker: MRK CUSIP: 58933Y105 Class: COM

MASECO LLP's Holding History (CIK: 0002074052)

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

Q4 2025

Shares 6,151 Value ($000) $648 Avg Close $93.24 Range $81.31 - $107.59

Q3 2025

Shares 6,013 Value ($000) $505 Avg Close $81.01 Range $75.27 - $86.24

Q2 2025

Shares 5,862 Value ($000) $464 Avg Close $77.39 Range $71.26 - $87.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,151	$648	$93.24	$81.31 - $107.59
Q3 2025	6,013	$505	$81.01	$75.27 - $86.24
Q2 2025	5,862	$464	$77.39	$71.26 - $87.25