Great Lakes Dredge & Dock Corp (GLDD) insider trading
Every open-market stock purchase and sale by Great Lakes Dredge & Dock Corp executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders sold $159K over the last 12 months (2 sales). No open-market buys.
- Last insider buy: Christopher Gunsten (VP), $30K, 20 months ago.
Last 12 months: insiders bought $0 (0 buys) and sold $159K (2 sales). Last close $17.00 on Mar 31, 2026.
Recent GLDD insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Apr 1, 2026 | Lawrence R Dickerson (Insider) | Sold (not open market) | $1.3M |
| Apr 1, 2026 | Ronald Steger (Insider) | Sold (not open market) | $766K |
| Apr 1, 2026 | Eleni Beyko (VP) | Bought (not open market) | — |
| Apr 1, 2026 | Lawrence R Dickerson (Insider) | Sold (not open market) | — |
| Apr 1, 2026 | Christopher Gunsten (VP) | Bought (not open market) | — |
| Apr 1, 2026 | Christopher Gunsten (VP) | Sold (not open market) | — |
| Apr 1, 2026 | Kathleen M Shanahan (Insider) | Sold (not open market) | — |
| Apr 1, 2026 | Earl L Shipp (Insider) | Sold (not open market) | — |
| Apr 1, 2026 | Ronald Steger (Insider) | Sold (not open market) | — |
| Apr 1, 2026 | Ryan Bayer (C-suite exec) | Bought (not open market) | — |
| Apr 1, 2026 | Ryan Bayer (C-suite exec) | Sold (not open market) | — |
| Apr 1, 2026 | Dana A Armstrong (Insider) | Sold (not open market) | — |
| Apr 1, 2026 | Eleni Beyko (VP) | Sold (not open market) | — |
| Apr 1, 2026 | William H Hanson (VP) | Bought (not open market) | — |
| Apr 1, 2026 | William H Hanson (VP) | Sold (not open market) | — |
| Apr 1, 2026 | David Johanson (VP) | Bought (not open market) | — |
| Apr 1, 2026 | David Johanson (VP) | Sold (not open market) | — |
| Apr 1, 2026 | Scott Lee Kornblau (CFO) | Bought (not open market) | — |
| Apr 1, 2026 | Scott Lee Kornblau (CFO) | Sold (not open market) | — |
| Apr 1, 2026 | Lasse Petterson (CEO) | Bought (not open market) | — |
| Apr 1, 2026 | Lasse Petterson (CEO) | Sold (not open market) | — |
| Apr 1, 2026 | Vivienne Schiffer (C-suite exec) | Bought (not open market) | — |
| Apr 1, 2026 | Vivienne Schiffer (C-suite exec) | Sold (not open market) | — |
| Mar 31, 2026 | Kathleen M Shanahan (Insider) | Sold (not open market) | $176K |
| Mar 31, 2026 | Kathleen M Shanahan (Insider) | Bought (not open market) | — |
Who's trading GLDD
- Ronald Steger, Insider: other filings, last Apr 1, 2026
- Ryan Bayer, C-suite exec: other filings, last Apr 1, 2026
- Eleni Beyko, VP: other filings, last Apr 1, 2026
- Lawrence R Dickerson, Insider: other filings, last Apr 1, 2026
- Christopher Gunsten, VP: other filings, last Apr 1, 2026
- William H Hanson, VP: other filings, last Apr 1, 2026
- David Johanson, VP: sold $159K (2 sales), last Apr 1, 2026
- Scott Lee Kornblau, CFO: other filings, last Apr 1, 2026
- Earl L Shipp, Insider: other filings, last Apr 1, 2026
- Dana A Armstrong, Insider: other filings, last Apr 1, 2026
- Lasse Petterson, CEO: other filings, last Apr 1, 2026
- Vivienne Schiffer, C-suite exec: other filings, last Apr 1, 2026
- Kathleen M Shanahan, Insider: other filings, last Apr 1, 2026
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