AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

Arvin Capital Management LP's Holding History (CIK: 0001961738)

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

Q4 2025

Shares 1,636,492 Value ($000) $47,458 Avg Close $25.56 Range $21.11 - $31.87

Q3 2025

Shares 1,636,492 Value ($000) $39,194 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 2,139,434 Value ($000) $50,512 Avg Close $20.90 Range $16.01 - $24.33

Q1 2025

Shares 1,687,149 Value ($000) $30,706 Avg Close $20.37 Range $16.95 - $24.30

Q4 2024

Shares 965,197 Value ($000) $20,298 Avg Close $25.85 Range $18.38 - $34.47

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,636,492	$47,458	$25.56	$21.11 - $31.87
Q3 2025	1,636,492	$39,194	$24.35	$21.71 - $26.63
Q2 2025	2,139,434	$50,512	$20.90	$16.01 - $24.33
Q1 2025	1,687,149	$30,706	$20.37	$16.95 - $24.30
Q4 2024	965,197	$20,298	$25.85	$18.38 - $34.47