DUCOMMUN INC DEL

Ticker: DCO CUSIP: 264147109 Class: COM

AlphaQuest LLC's Holding History (CIK: 0001883897)

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

Q4 2025

Shares 784 Value ($000) $75 Avg Close $93.15 Range $84.76 - $101.47

Q3 2025

Shares 7,397 Value ($000) $711 Avg Close $90.38 Range $80.69 - $96.49

Q2 2025

Shares 1,349 Value ($000) $111 Avg Close $66.46 Range $51.76 - $86.64

Q1 2025

Shares 1,800 Value ($000) $104 Avg Close $63.12 Range $54.61 - $70.25

Q4 2024

Shares 5,224 Value ($000) $333 Avg Close $64.22 Range $58.72 - $70.50

Q3 2024

Shares 16 Value ($000) $1 Avg Close $62.57 Range $56.40 - $66.77

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	784	$75	$93.15	$84.76 - $101.47
Q3 2025	7,397	$711	$90.38	$80.69 - $96.49
Q2 2025	1,349	$111	$66.46	$51.76 - $86.64
Q1 2025	1,800	$104	$63.12	$54.61 - $70.25
Q4 2024	5,224	$333	$64.22	$58.72 - $70.50
Q3 2024	16	$1	$62.57	$56.40 - $66.77