GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

Cambridge Investment Research Advisors, Inc.'s Holding History (CIK: 0001419186)

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

Q3 2019

Shares 47,575 Value ($000) $497 Avg Close $10.57 Range $9.39 - $11.81

Q2 2019

Shares 46,775 Value ($000) $516 Avg Close $10.32 Range $8.86 - $11.45

Q1 2019

Shares 24,600 Value ($000) $219 Avg Close $7.78 Range $6.43 - $9.21

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	47,575	$497	$10.57	$9.39 - $11.81
Q2 2019	46,775	$516	$10.32	$8.86 - $11.45
Q1 2019	24,600	$219	$7.78	$6.43 - $9.21