DUCOMMUN INC DEL

Ticker: DCO CUSIP: 264147109 Class: COM

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2018

Shares 100 Value ($000) $4 Avg Close $37.36 Range $31.05 - $41.40

Q4 2016

Shares 1,200 Value ($000) $31 Avg Close $24.37 Range $18.70 - $29.99

Q3 2016

Shares 4,700 Value ($000) $107 Avg Close $21.41 Range $18.78 - $24.86

Q2 2016

Shares 1,400 Value ($000) $28 Avg Close $17.04 Range $14.13 - $21.18

Q4 2015

Shares 100 Value ($000) $2 Avg Close $18.32 Range $14.77 - $23.33

Q3 2015

Shares 800 Value ($000) $16 Avg Close $23.32 Range $18.95 - $27.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	100	$4	$37.36	$31.05 - $41.40
Q4 2016	1,200	$31	$24.37	$18.70 - $29.99
Q3 2016	4,700	$107	$21.41	$18.78 - $24.86
Q2 2016	1,400	$28	$17.04	$14.13 - $21.18
Q4 2015	100	$2	$18.32	$14.77 - $23.33
Q3 2015	800	$16	$23.32	$18.95 - $27.00