AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

Cerity Partners LLC's Holding History (CIK: 0001566475)

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

Q4 2025

Shares 51,694 Value ($000) $1,499 Avg Close $25.56 Range $21.11 - $31.87

Q3 2025

Shares 33,214 Value ($000) $795 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 45,116 Value ($000) $1,065 Avg Close $20.90 Range $16.01 - $24.33

Q1 2025

Shares 38,804 Value ($000) $706 Avg Close $20.37 Range $16.95 - $24.30

Q4 2024

Shares 69,523 Value ($000) $1,604 Avg Close $25.85 Range $18.38 - $34.47

Q3 2024

Shares 80,863 Value ($000) $2,608 Avg Close $28.49 Range $23.58 - $34.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	51,694	$1,499	$25.56	$21.11 - $31.87
Q3 2025	33,214	$795	$24.35	$21.71 - $26.63
Q2 2025	45,116	$1,065	$20.90	$16.01 - $24.33
Q1 2025	38,804	$706	$20.37	$16.95 - $24.30
Q4 2024	69,523	$1,604	$25.85	$18.38 - $34.47
Q3 2024	80,863	$2,608	$28.49	$23.58 - $34.50