DUCOMMUN INC DEL

Ticker: DCO CUSIP: 264147109 Class: COM

MASSMUTUAL TRUST CO FSB/ADV's Holding History (CIK: 0001103653)

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

Q4 2025

Shares 22 Value ($000) $2 Avg Close $93.15 Range $84.76 - $101.47

Q3 2025

Shares 22 Value ($000) $2 Avg Close $90.38 Range $80.69 - $96.49

Q2 2025

Shares 22 Value ($000) $2 Avg Close $66.46 Range $51.76 - $86.64

Q1 2025

Shares 22 Value ($000) $1 Avg Close $63.12 Range $54.61 - $70.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	22	$2	$93.15	$84.76 - $101.47
Q3 2025	22	$2	$90.38	$80.69 - $96.49
Q2 2025	22	$2	$66.46	$51.76 - $86.64
Q1 2025	22	$1	$63.12	$54.61 - $70.25