GREAT LAKES DREDGE & DOCK CO

Ticker: GLDD CUSIP: 390607109 Class: Common Stock

MARATHON CAPITAL MANAGEMENT's Holding History (CIK: 0001213206)

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

Q1 2016
Shares 178,650 Value ($000) $797 Avg Close $3.58 Range $2.96 - $4.50
Q4 2015
Shares 277,400 Value ($000) $1,098 Avg Close $4.43 Range $3.66 - $5.88
Q3 2015
Shares 360,400 Value ($000) $1,816 Avg Close $5.48 Range $5.00 - $6.17
Q2 2015
Shares 389,550 Value ($000) $2,322 Avg Close $5.87 Range $5.33 - $6.30
Q1 2015
Shares 400,050 Value ($000) $2,404 Avg Close $7.05 Range $5.53 - $8.64
Q4 2014
Shares 428,150 Value ($000) $3,665 Avg Close $7.24 Range $5.84 - $8.73
Q3 2014
Shares 445,250 Value ($000) $2,752 Avg Close $7.38 Range $6.16 - $8.29
Q2 2014
Shares 473,625 Value ($000) $3,784 Avg Close $8.15 Range $7.36 - $9.20
Q1 2014
Shares 469,975 Value ($000) $4,291 Avg Close $8.52 Range $7.45 - $9.44
Q4 2013
Shares 480,225 Value ($000) $4,418 Avg Close $8.38 Range $6.99 - $9.33
Q3 2013
Shares 487,875 Value ($000) $3,625 Avg Close $7.43 Range $6.28 - $8.69
Q2 2013
Shares 498,975 Value ($000) $3,902 Avg Close $7.58 Range $6.30 - $8.66