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Great Lakes Dredge & Dock CORP
GLDDCIK: 0001372020
Recent Form 4 activity at Great Lakes Dredge & Dock CORP (GLDD) spans 40 filings across 13 insiders (all of them on the sell side). Purchases total $0 against $816.5K in sales — heavily weighted toward selling, for net sales of $816.5K. DICKERSON LAWRENCE R is the most active by dollar volume, and the single largest transaction was $1.3M by DICKERSON LAWRENCE R. All figures are drawn from official SEC Form 3, 4, and 5 disclosures and update as new filings arrive.
Total Volume
$3.4M
Purchases
$0
Sales
$816.5K
Unique Insiders
13
Recent Insider Trades
40 loaded
| Apr 1 | GLDD Great Lakes Dredge & Dock CORP | Kornblau Scott Lee | Insider | Grant | $0 |
| Apr 1 | GLDD Great Lakes Dredge & Dock CORP | JOHANSON DAVID | Insider | Grant | $5.6K |
| Apr 1 | GLDD Great Lakes Dredge & Dock CORP | BAYER RYAN | Insider | Grant | $0 |
| Apr 1 | GLDD Great Lakes Dredge & Dock CORP | GUNSTEN CHRISTOPHER | Insider | Grant | $0 |
| Apr 1 | GLDD Great Lakes Dredge & Dock CORP | Armstrong Dana A | Insider | Other | $0 |
| Apr 1 | GLDD Great Lakes Dredge & Dock CORP | Schiffer Vivienne | Insider | Grant | $0 |
| Apr 1 | GLDD Great Lakes Dredge & Dock CORP | HANSON WILLIAM H | Insider | Grant | $0 |
| Apr 1 | GLDD Great Lakes Dredge & Dock CORP | DICKERSON LAWRENCE R | Insider | Award | $1.3M |
| Apr 1 | GLDD Great Lakes Dredge & Dock CORP | Steger Ronald | Insider | Award | $766.2K |
| Apr 1 | GLDD Great Lakes Dredge & Dock CORP | Shanahan Kathleen M | Insider | Award | $175.7K |
| Mar 18 | GLDD Great Lakes Dredge & Dock CORP | BEYKO ELENI | Insider | Grant | $212.4K |
| Mar 18 | GLDD Great Lakes Dredge & Dock CORP | BAYER RYAN | Insider | Grant | $36.2K |
| Feb 25 | GLDD Great Lakes Dredge & Dock CORP | HANSON WILLIAM H | Insider | Grant | $0 |
| Feb 25 | GLDD Great Lakes Dredge & Dock CORP | JOHANSON DAVID | Insider | Grant | $0 |
| Feb 25 | GLDD Great Lakes Dredge & Dock CORP | Petterson Lasse | Insider | Grant | $0 |
| Feb 25 | GLDD Great Lakes Dredge & Dock CORP | GUNSTEN CHRISTOPHER | Insider | Grant | $0 |
| Feb 25 | GLDD Great Lakes Dredge & Dock CORP | BEYKO ELENI | Insider | Grant | $0 |
| Feb 25 | GLDD Great Lakes Dredge & Dock CORP | Schiffer Vivienne | Insider | Grant | $0 |
| Jan 20 | GLDD Great Lakes Dredge & Dock CORP | Shanahan Kathleen M | Insider | Exercise | $0 |
| Jan 5 | GLDD Great Lakes Dredge & Dock CORP | Shipp Earl L | Insider | Grant | $0 |
| Mar 25 | GLDD Great Lakes Dredge & Dock CORP | BEYKO ELENI | Insider | Tax withheld | $106.1K |
| Jan 5 | GLDD Great Lakes Dredge & Dock CORP | Steger Ronald | Insider | Award | $0 |
| Jan 5 | GLDD Great Lakes Dredge & Dock CORP | Armstrong Dana A | Insider | Grant | $0 |
| Jan 5 | GLDD Great Lakes Dredge & Dock CORP | DICKERSON LAWRENCE R | Insider | Award | $0 |
| Jan 5 | GLDD Great Lakes Dredge & Dock CORP | Shanahan Kathleen M | Insider | Award | $0 |
| Dec 4 | GLDD Great Lakes Dredge & Dock CORP | JOHANSON DAVID | Insider | Sell | $130.2K |
| Oct 1 | GLDD Great Lakes Dredge & Dock CORP | Shanahan Kathleen M | Insider | Award | $0 |
| Oct 1 | GLDD Great Lakes Dredge & Dock CORP | DICKERSON LAWRENCE R | Insider | Award | $0 |
| Oct 1 | GLDD Great Lakes Dredge & Dock CORP | Armstrong Dana A | Insider | Grant | $0 |
| Oct 1 | GLDD Great Lakes Dredge & Dock CORP | Shipp Earl L | Insider | Grant | $0 |
| Oct 1 | GLDD Great Lakes Dredge & Dock CORP | Steger Ronald | Insider | Award | $0 |
| Aug 13 | GLDD Great Lakes Dredge & Dock CORP | Kornblau Scott Lee | Insider | Sell | $686.3K |
| Mar 25 | GLDD Great Lakes Dredge & Dock CORP | Petterson Lasse | Insider | Grant | $0 |
| Mar 25 | GLDD Great Lakes Dredge & Dock CORP | Schiffer Vivienne | Insider | Grant | $0 |
| Mar 25 | GLDD Great Lakes Dredge & Dock CORP | JOHANSON DAVID | Insider | Grant | $0 |
| Mar 25 | GLDD Great Lakes Dredge & Dock CORP | Kornblau Scott Lee | Insider | Grant | $0 |
| Mar 25 | GLDD Great Lakes Dredge & Dock CORP | HANSON WILLIAM H | Insider | Grant | $0 |
| Mar 25 | GLDD Great Lakes Dredge & Dock CORP | BEYKO ELENI | Insider | Grant | $0 |
| Mar 25 | GLDD Great Lakes Dredge & Dock CORP | GUNSTEN CHRISTOPHER | Insider | Grant | $0 |
| Mar 25 | GLDD Great Lakes Dredge & Dock CORP | BAYER RYAN | Insider | Grant | $0 |
40 filings