Parallax Volatility Advisers, L.P. Great Lakes Dredge & Dock Corp Transaction History

Parallax Volatility Advisers, L.P.

16 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2022 Aug 15, 2022	SELL	$13.11 - $15.37 $162,786 - $190,849	-12,417 Reduced 11.41%	96,383 $1.26 Million
Q1 2022 May 16, 2022	BUY	$13.4 - $16.07 $1.07 Million - $1.28 Million	79,691 Added 273.77%	108,800 $1.53 Million
Q4 2021 Feb 14, 2022	SELL	$14.35 - $16.16 $52,420 - $59,032	-3,653 Reduced 11.15%	29,109 $458,000
Q3 2021 Nov 15, 2021	BUY	$14.08 - $15.76 $411,361 - $460,444	29,216 Added 823.91%	32,762 $494,000
Q2 2021 Aug 16, 2021	SELL	$13.54 - $16.17 $622,907 - $743,900	-46,005 Reduced 92.84%	3,546 $52,000
Q1 2021 May 14, 2021	BUY	$12.96 - $15.76 $306,996 - $373,322	23,688 Added 91.59%	49,551 $722,000
Q4 2020 Feb 16, 2021	SELL	$9.35 - $13.17 $188,262 - $265,177	-20,135 Closed	0 $0
Q4 2020 Feb 16, 2021	BUY	$9.35 - $13.17 $241,819 - $340,615	25,863 New	25,863 $341,000
Q3 2020 Nov 13, 2020	BUY	$8.26 - $10.35 $166,315 - $208,397	20,135 New	20,135 $191,000
Q2 2019 Aug 14, 2019	SELL	$9.0 - $11.24 $76,500 - $95,540	-8,500 Closed	0 $0
Q1 2019 May 15, 2019	SELL	$6.76 - $9.12 $67,133 - $90,570	-9,931 Reduced 53.88%	8,500 $76,000
Q4 2018 Feb 14, 2019	BUY	$5.37 - $7.58 $98,974 - $139,706	18,431 New	18,431 $122,000
Q3 2018 Nov 14, 2018	SELL	$5.2 - $6.2 $97,448 - $116,188	-18,740 Closed	0 $0
Q2 2018 Aug 14, 2018	BUY	$4.45 - $5.4 $83,393 - $101,196	18,740 New	18,740 $98,000
Q1 2018 May 15, 2018	SELL	$4.25 - $5.25 $36,949 - $45,643	-8,694 Closed	0 $0
Q4 2017 Feb 14, 2018	BUY	$4.4 - $5.65 $38,253 - $49,121	8,694	8,694 $47,000

175

54.5M

142K

23.2K

Ticker GLDD
Exchange NASDAQ
Sector Industrials
Industry Engineering & Construction
Shares Outstandng 66,083,300
Market Cap $692M
Description
Great Lakes Dredge & Dock Corporation provides dredging services in the United States. The company engages in capital dredging that consists of port expansion projects; coastal restoration and land reclamations; trench digging for pipelines, tunnels, and cables; and other dredging related to the construction of breakwaters, jetties, canals, ...

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