AMENTUM HOLDINGS INC

Ticker: AMTM CUSIP: 023939101 Class: COM

THURSTON, SPRINGER, MILLER, HERD & TITAK, INC.'s Holding History (CIK: 0000319933)

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

Q4 2025

Shares 511 Value ($000) $15 Avg Close $25.56 Range $21.11 - $31.87

Q3 2025

Shares 265 Value ($000) $6 Avg Close $24.35 Range $21.71 - $26.63

Q2 2025

Shares 1,149 Value ($000) $27 Avg Close $20.90 Range $16.01 - $24.33

Q1 2025

Shares 1,011 Value ($000) $18 Avg Close $20.37 Range $16.95 - $24.30

Q4 2024

Shares 1,011 Value ($000) $21 Avg Close $25.85 Range $18.38 - $34.47

Q3 2024

Shares 866 Value ($000) $28 Avg Close $28.49 Range $23.58 - $34.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	511	$15	$25.56	$21.11 - $31.87
Q3 2025	265	$6	$24.35	$21.71 - $26.63
Q2 2025	1,149	$27	$20.90	$16.01 - $24.33
Q1 2025	1,011	$18	$20.37	$16.95 - $24.30
Q4 2024	1,011	$21	$25.85	$18.38 - $34.47
Q3 2024	866	$28	$28.49	$23.58 - $34.50