GLDD
Great Lakes Dredge & Dock CORP
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$159K
reported sales (SEC code S)
Unique Insiders
1
in the rolling window
Latest filing
Apr 1, 2026
JOHANSON DAVID
Great Lakes Dredge & Dock CORP (GLDD) has 40 SEC Form 4 filings (79 transaction rows) in the rolling window, disclosed by 1 distinct insider. Most recent filing: Apr 1, 2026.
Inside the rolling window, 1 insider at Great Lakes Dredge & Dock CORP reported no open-market purchases and 2 open-market sales totaling $159K. Insiders have net sold $159K over the trailing 6 months. The most recent open-market filing is a sale of 2,100 shares by SVP-Project Acquisition & Ops JOHANSON DAVID, dated Dec 10, 2025, worth $29K.
- Industry:Engineering & Construction
- CEO:Lasse J. Petterson
- Employees:381
- HQ:Houston, TX, US
- IPO:2006-12-27
| Source | |||||||
|---|---|---|---|---|---|---|---|
| SVP-Project Acquisition & Ops | Sale | 2,100 | $29K | Dec 12 | — | SEC ↗ | |
JOHANSON DAVIDFirst filing | SVP-Project Acquisition & Ops | Sale | 10,000 | $130K | Dec 4 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does GLDD have?
Great Lakes Dredge & Dock CORP (GLDD) has 40 SEC Form 4 filings (79 transaction rows) in the rolling 365-day window, disclosed by 1 distinct insider. Most recent filing: Apr 1, 2026.
When was the most recent SEC Form 4 filing for GLDD?
The most recent Form 4 filing for GLDD on Tracefour is dated Apr 1, 2026.
What is the net insider flow at GLDD over the last 6 months?
Over the trailing 180 days, insiders at GLDD have net sold $159K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at GLDD in the current window?
Inside the rolling window, insiders at GLDD bought $0 and sold $159K based on SEC Form 4 filings.
Can I get alerts for GLDD insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Great Lakes Dredge & Dock CORP (GLDD). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.