AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

GAMMA Investing LLC's Holding History (CIK: 0002010235)

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

Q4 2025

Shares 5,305 Value ($000) $154 Avg Close $25.56 Range $21.11 - $31.87

Q3 2025

Shares 5,021 Value ($000) $120 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 4,443 Value ($000) $105 Avg Close $20.90 Range $16.01 - $24.33

Q1 2025

Shares 3,137 Value ($000) $57 Avg Close $20.37 Range $16.95 - $24.30

Q4 2024

Shares 1,754 Value ($000) $37 Avg Close $25.85 Range $18.38 - $34.47

Q3 2024

Shares 405 Value ($000) $13 Avg Close $28.49 Range $23.58 - $34.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5,305	$154	$25.56	$21.11 - $31.87
Q3 2025	5,021	$120	$24.35	$21.71 - $26.63
Q2 2025	4,443	$105	$20.90	$16.01 - $24.33
Q1 2025	3,137	$57	$20.37	$16.95 - $24.30
Q4 2024	1,754	$37	$25.85	$18.38 - $34.47
Q3 2024	405	$13	$28.49	$23.58 - $34.50