AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

SECURITY NATIONAL BANK OF SO DAK's Holding History (CIK: 0001105909)

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

Q4 2025

Shares 26,642 Value ($000) $773 Avg Close $25.56 Range $21.11 - $31.87

Q3 2025

Shares 26,786 Value ($000) $642 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 26,840 Value ($000) $634 Avg Close $20.90 Range $16.01 - $24.33

Q1 2025

Shares 24,824 Value ($000) $452 Avg Close $20.37 Range $16.95 - $24.30

Q4 2024

Shares 23,299 Value ($000) $490 Avg Close $25.85 Range $18.38 - $34.47

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	26,642	$773	$25.56	$21.11 - $31.87
Q3 2025	26,786	$642	$24.35	$21.71 - $26.63
Q2 2025	26,840	$634	$20.90	$16.01 - $24.33
Q1 2025	24,824	$452	$20.37	$16.95 - $24.30
Q4 2024	23,299	$490	$25.85	$18.38 - $34.47