XILIO THERAPEUTICS INC

Ticker: XLO CUSIP: 98422T100 Class: COM

Merck & Co., Inc.'s Holding History (CIK: 0000310158)

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

Q4 2025

Shares 1,483,758 Value ($000) $950 Avg Close $0.75 Range $0.63 - $0.90

Q3 2025

Shares 1,483,758 Value ($000) $1,250 Avg Close $0.72 Range $0.61 - $0.91

Q2 2025

Shares 1,483,758 Value ($000) $1,009 Avg Close $0.75 Range $0.62 - $1.18

Q1 2025

Shares 1,483,758 Value ($000) $1,075 Avg Close $0.90 Range $0.63 - $1.70

Q4 2024

Shares 1,483,758 Value ($000) $1,417 Avg Close $0.98 Range $0.71 - $1.54

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,483,758	$950	$0.75	$0.63 - $0.90
Q3 2025	1,483,758	$1,250	$0.72	$0.61 - $0.91
Q2 2025	1,483,758	$1,009	$0.75	$0.62 - $1.18
Q1 2025	1,483,758	$1,075	$0.90	$0.63 - $1.70
Q4 2024	1,483,758	$1,417	$0.98	$0.71 - $1.54