GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s Holding History (CIK: 0000912938)

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

Q2 2020

Shares 179,742 Value ($000) $1,664 Avg Close $8.75 Range $7.42 - $10.80

Q1 2020

Shares 184,324 Value ($000) $1,530 Avg Close $9.96 Range $6.75 - $11.96

Q4 2019

Shares 155,149 Value ($000) $1,758 Avg Close $10.68 Range $9.02 - $11.94

Q3 2019

Shares 204,263 Value ($000) $2,134 Avg Close $10.57 Range $9.39 - $11.81

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	179,742	$1,664	$8.75	$7.42 - $10.80
Q1 2020	184,324	$1,530	$9.96	$6.75 - $11.96
Q4 2019	155,149	$1,758	$10.68	$9.02 - $11.94
Q3 2019	204,263	$2,134	$10.57	$9.39 - $11.81