Over the past year there were no insider purchases at Great Lakes Dredge & Dock CORP. One insider sold roughly $160,000 instead.
That's worth context: executives sell for plenty of routine reasons, from scheduled trading plans to tax bills. Buying is the rarer, more telling signal.
No open-market insider buying or selling in the last full quarter. Insiders bought in 1 of the last 7 full quarters.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Dec 12, 2025 | JOHANSON DAVID | Executive Officer | Sell | 2,100 | $13.96 | $29K | SEC |
| Dec 4, 2025 | JOHANSON DAVID | Executive Officer | Sell | 10,000 | $13.02 | $130K | SEC |
| Aug 13, 2025 | Kornblau Scott Lee | CFO | Sell | 59,805 | $11.48 | $687K | SEC |
| Jun 4, 2025 | Steger Ronald | Director | Sell | 5,000 | $11.59 | $58K | SEC |
| May 8, 2025 | BEYKO ELENI | Executive Officer | Sell | 22,579 | $10.26 | $232K | SEC |
| Mar 5, 2025 | GUNSTEN CHRISTOPHER | Executive Officer | Buy | 3,875 | $7.75 | $30K | SEC |
| Nov 15, 2024 | DICKERSON LAWRENCE R | Director | Sell | 15,936 | $12.04 | $192K | SEC |
| Nov 13, 2024 | DICKERSON LAWRENCE R | Director | Sell | 5,323 | $12.61 | $67K | SEC |
| Nov 12, 2024 | Shanahan Kathleen M | Director | Sell | 23,238 | $12.63 | $293K | SEC |
| Nov 12, 2024 | Steger Ronald | Director | Sell | 12,000 | $12.76 | $153K | SEC |
| Aug 26, 2024 | Petterson Lasse | CEO | Sell | 46,510 | $9.08 | $422K | SEC |
| Aug 26, 2024 | Petterson Lasse | CEO | Sell | 28,709 | $9.24 | $265K | SEC |
| Aug 21, 2024 | Petterson Lasse | CEO | Sell | 53,771 | $9.06 | $487K | SEC |
| Aug 21, 2024 | Petterson Lasse | CEO | Sell | 10,147 | $9.10 | $92K | SEC |
| Aug 19, 2024 | Petterson Lasse | CEO | Sell | 59,223 | $9.08 | $538K | SEC |
In the last 12 months Great Lakes Dredge & Dock CORP insiders made open-market purchases worth about $0 and sales worth about $160,000. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
The most recent open-market insider trade in GLDD was filed on 2025-12-12.
No congressional trades in GLDD were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).