AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

683 Capital Management, LLC's Holding History (CIK: 0001404574)

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

Q4 2025

Shares 835,000 Value ($000) $24,215 Avg Close $25.56 Range $21.11 - $31.87

Q3 2025

Shares 1,275,000 Value ($000) $30,536 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 1,630,000 Value ($000) $38,484 Avg Close $20.90 Range $16.01 - $24.33

Q1 2025

Shares 1,013,000 Value ($000) $18,437 Avg Close $20.37 Range $16.95 - $24.30

Q4 2024

Shares 425,000 Value ($000) $8,938 Avg Close $25.85 Range $18.38 - $34.47

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	835,000	$24,215	$25.56	$21.11 - $31.87
Q3 2025	1,275,000	$30,536	$24.35	$21.71 - $26.63
Q2 2025	1,630,000	$38,484	$20.90	$16.01 - $24.33
Q1 2025	1,013,000	$18,437	$20.37	$16.95 - $24.30
Q4 2024	425,000	$8,938	$25.85	$18.38 - $34.47