AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

EASTERN BANK's Holding History (CIK: 0001126395)

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

Q4 2025

Shares 21 Value ($000) $1 Avg Close $25.56 Range $21.11 - $31.87

Q3 2025

Shares 59 Value ($000) $1 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 68 Value ($000) $2 Avg Close $20.90 Range $16.01 - $24.33

Q1 2025

Shares 1,095 Value ($000) $20 Avg Close $20.37 Range $16.95 - $24.30

Q4 2024

Shares 4,102 Value ($000) $86 Avg Close $25.85 Range $18.38 - $34.47

Q3 2024

Shares 103,115 Value ($000) $3,325 Avg Close $28.49 Range $23.58 - $34.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	21	$1	$25.56	$21.11 - $31.87
Q3 2025	59	$1	$24.35	$21.71 - $26.63
Q2 2025	68	$2	$20.90	$16.01 - $24.33
Q1 2025	1,095	$20	$20.37	$16.95 - $24.30
Q4 2024	4,102	$86	$25.85	$18.38 - $34.47
Q3 2024	103,115	$3,325	$28.49	$23.58 - $34.50