AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

MATHER GROUP, LLC.'s Holding History (CIK: 0001527641)

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

Q3 2025

Shares 1,349 Value ($000) $32 Avg Close $24.35 Range $21.71 - $26.63

Q1 2025

Shares 487 Value ($000) $9 Avg Close $20.37 Range $16.95 - $24.30

Q4 2024

Shares 256 Value ($000) $5 Avg Close $25.85 Range $18.38 - $34.47

Q3 2024

Shares 270 Value ($000) $9 Avg Close $28.49 Range $23.58 - $34.50

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	1,349	$32	$24.35	$21.71 - $26.63
Q1 2025	487	$9	$20.37	$16.95 - $24.30
Q4 2024	256	$5	$25.85	$18.38 - $34.47
Q3 2024	270	$9	$28.49	$23.58 - $34.50