AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

GRIZZLYROCK CAPITAL, LLC's Holding History (CIK: 0002011732)

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

Q4 2025

Shares 285,113 Value ($000) $8,268 Avg Close $25.56 Range $21.11 - $31.87

Q3 2025

Shares 283,113 Value ($000) $6,781 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 253,363 Value ($000) $5,982 Avg Close $20.90 Range $16.01 - $24.33

Q1 2025

Shares 164,226 Value ($000) $2,989 Avg Close $20.37 Range $16.95 - $24.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	285,113	$8,268	$25.56	$21.11 - $31.87
Q3 2025	283,113	$6,781	$24.35	$21.71 - $26.63
Q2 2025	253,363	$5,982	$20.90	$16.01 - $24.33
Q1 2025	164,226	$2,989	$20.37	$16.95 - $24.30