GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

Moors & Cabot, Inc.'s Holding History (CIK: 0001607239)

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

Q4 2021

Shares 12,636 Value ($000) $199 Avg Close $15.22 Range $14.26 - $16.25

Q3 2021

Shares 12,234 Value ($000) $186 Avg Close $14.86 Range $13.50 - $15.96

Q2 2021

Shares 13,771 Value ($000) $201 Avg Close $14.77 Range $13.32 - $16.28

Q1 2021

Shares 10,270 Value ($000) $151 Avg Close $14.58 Range $12.87 - $16.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	12,636	$199	$15.22	$14.26 - $16.25
Q3 2021	12,234	$186	$14.86	$13.50 - $15.96
Q2 2021	13,771	$201	$14.77	$13.32 - $16.28
Q1 2021	10,270	$151	$14.58	$12.87 - $16.12