AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

PRIVATE TRUST CO NA's Holding History (CIK: 0001277557)

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

Q4 2025

Shares 566 Value ($000) $16 Avg Close $25.56 Range $21.11 - $31.87

Q3 2025

Shares 566 Value ($000) $14 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 558 Value ($000) $13 Avg Close $20.90 Range $16.01 - $24.33

Q1 2025

Shares 621 Value ($000) $11 Avg Close $20.37 Range $16.95 - $24.30

Q4 2024

Shares 628 Value ($000) $13 Avg Close $25.85 Range $18.38 - $34.47

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	566	$16	$25.56	$21.11 - $31.87
Q3 2025	566	$14	$24.35	$21.71 - $26.63
Q2 2025	558	$13	$20.90	$16.01 - $24.33
Q1 2025	621	$11	$20.37	$16.95 - $24.30
Q4 2024	628	$13	$25.85	$18.38 - $34.47