sellWeak10b5-1 plan
Scott Lee Kornblau sold $686k of GLDD
SVP & CFO at Great Lakes Dredge & Dock CORP. 59,805 shares at an average of $11.48, traded Aug 11, 2025, filed Aug 13, 2025.
Warning score
33Value
$686k
59,805 shares
Holdings after
112,130
-35% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet
Score components
- +22RoleCFO
- +21Trade size$686k at market
- +10Share of holdings soldSold 35% of holdings
- 0ClusterNo other insider selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Rows in this filing
Every transaction in Form 4 0000950170-25-108165, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 11, 2025 | SOpen-market sale Common Stock10b5-1 | -59,805 | $11.48 | $686k | 112,130 | Aug 13, 2025 |
Related signals
Other insiders at Great Lakes Dredge & Dock CORP and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 0Weak | Great Lakes Dredge & Dock CORP | David Johanson SVP-Project Acquisition & Ops | $29k 2,100 shares | -2% | |
| 6Weak | Great Lakes Dredge & Dock CORP | David Johanson SVP-Project Acquisition & Ops | $130k 10,000 shares | -10% | |
| 27Weak | GLDDsell Great Lakes Dredge & Dock CORP | Ronald Steger director | $58k 5,000 shares | -20% | |
| 18Weak | Great Lakes Dredge & Dock CORP | Eleni Beyko SVP - Offshore Energy | $232k 22,579 shares | -31% | |
| 23Weak | GLDDbuy Great Lakes Dredge & Dock CORP | Christopher Gunsten SVP-Proj Svcs & Fleet Engineer | $30k 3,875 shares | +7% | |
| 47Moderate | Great Lakes Dredge & Dock CORP | Lawrence R Dickerson director | $192k 15,936 shares | -16% | |
| 38Weak | Great Lakes Dredge & Dock CORP | Lawrence R Dickerson director | $67k 5,323 shares | -5% | |
| 51Moderate | Great Lakes Dredge & Dock CORP | Ronald Steger director | $153k 12,000 shares | -32% | |
| 54Moderate | Great Lakes Dredge & Dock CORP | Kathleen M Shanahan director | $294k 23,238 shares | -26% | |
| 26Weak | Great Lakes Dredge & Dock CORP | Lasse Petterson CEO & President | $688k 75,219 shares | -8% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.