GLDD Insider Trading Activity and SEC Form 4 Filings
GLDD insider trading summary
Over the past 12 months, insiders at Great Lakes Dredge & Dock CORP (GLDD) reported 2 sales worth $159K by 1 insider and no open-market purchases on SEC Form 4. Net insider selling was $159K.
Latest GLDD insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Dec 10, 2025 | David Johanson | SVP-Project Acquisition & Ops | Sell | $29K (2,100 @ $13.96) |
| Dec 3, 2025 | David Johanson | SVP-Project Acquisition & Ops | Sell | $130K (10,000 @ $13.02) |
| Aug 11, 2025 | Scott Lee Kornblau | SVP & CFO | Sell | $686K (59,805 @ $11.48) |
| Jun 3, 2025 | Ronald Steger | Insider | Sell | $58K (5,000 @ $11.59) |
| May 6, 2025 | Eleni Beyko | SVP - Offshore Energy | Sell | $232K (22,579 @ $10.26) |
| Mar 4, 2025 | Christopher Gunsten | SVP-Proj Svcs & Fleet Engineer | Buy | $30K (3,875 @ $7.75) |
| Nov 14, 2024 | Lawrence R Dickerson | Insider | Sell | $192K (15,936 @ $12.04) |
| Nov 12, 2024 | Lawrence R Dickerson | Insider | Sell | $67K (5,323 @ $12.61) |
| Nov 11, 2024 | Ronald Steger | Insider | Sell | $153K (12,000 @ $12.76) |
| Nov 11, 2024 | Kathleen M Shanahan | Insider | Sell | $294K (23,238 @ $12.63) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.