AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

PRINCIPAL SECURITIES, INC.'s Holding History (CIK: 0000012600)

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

Q3 2025

Shares 33 Value ($000) $1 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 35 Value ($000) $1 Avg Close $20.90 Range $16.01 - $24.33

Q1 2025

Shares 38 Value ($000) $1 Avg Close $20.37 Range $16.95 - $24.30

Q4 2024

Shares 38 Value ($000) $1 Avg Close $25.85 Range $18.38 - $34.47

Q3 2024

Shares 1,752 Value ($000) $57 Avg Close $28.49 Range $23.58 - $34.50

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	33	$1	$24.35	$21.71 - $26.63
Q2 2025	35	$1	$20.90	$16.01 - $24.33
Q1 2025	38	$1	$20.37	$16.95 - $24.30
Q4 2024	38	$1	$25.85	$18.38 - $34.47
Q3 2024	1,752	$57	$28.49	$23.58 - $34.50