AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

Quarry LP's Holding History (CIK: 0001965207)

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

Q4 2025

Shares 2,063 Value ($000) $60 Avg Close $25.56 Range $21.11 - $31.87

Q3 2025

Shares 666 Value ($000) $16 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 4,337 Value ($000) $102 Avg Close $20.90 Range $16.01 - $24.33

Q1 2025

Shares 1,670 Value ($000) $30 Avg Close $20.37 Range $16.95 - $24.30

Q3 2024

Shares 265 Value ($000) $9 Avg Close $28.49 Range $23.58 - $34.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,063	$60	$25.56	$21.11 - $31.87
Q3 2025	666	$16	$24.35	$21.71 - $26.63
Q2 2025	4,337	$102	$20.90	$16.01 - $24.33
Q1 2025	1,670	$30	$20.37	$16.95 - $24.30
Q3 2024	265	$9	$28.49	$23.58 - $34.50