AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

Y-Intercept (Hong Kong) Ltd's Holding History (CIK: 0001772875)

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

Q4 2025

Shares 10,497 Value ($000) $304 Avg Close $25.56 Range $21.11 - $31.87

Q2 2025

Shares 198,726 Value ($000) $4,692 Avg Close $20.90 Range $16.01 - $24.33

Q4 2024

Shares 61,268 Value ($000) $1,288 Avg Close $25.85 Range $18.38 - $34.47

Q3 2024

Shares 7,370 Value ($000) $238 Avg Close $28.49 Range $23.58 - $34.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	10,497	$304	$25.56	$21.11 - $31.87
Q2 2025	198,726	$4,692	$20.90	$16.01 - $24.33
Q4 2024	61,268	$1,288	$25.85	$18.38 - $34.47
Q3 2024	7,370	$238	$28.49	$23.58 - $34.50