Great Lakes Dredge & Dock CORP (GLDD) is a publicly traded company in the Unknown sector. Across all available filings, 50 corporate insiders have executed 1013 transactions totaling $290.9M, demonstrating a bearish sentiment with -$274.4M in net insider flow. The most recent transaction on Feb 23, 2026 involved a transaction of 13,988 shares valued at $0.
No significant insider buying has been recorded for GLDD in the recent period.
No significant insider selling has been recorded for GLDD in the recent period.
Based on recent SEC filings, insider sentiment for GLDD is bearish with an Insider Alignment Score of 3/100 and a net flow of -$274.4M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at Great Lakes Dredge & Dock CORP (GLDD) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 50 insiders are actively trading GLDD stock, having executed 1013 transactions in the past 90 days. The most active insider is Thomas S. Souleles (Executive), who has made 6 transactions totaling $78.3M.
Get notified when executives and directors at GLDD file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Feb 23, 2026 | Gunsten Christopher | SVP-Proj Svcs & Fleet Engineer | Award | 13,988 | $N/A | $0 | |
| Dec 31, 2025 | Steger Ronald | Executive | Award | 2,106 | $N/A | $0 | |
| Dec 31, 2025 | M. Shanahan Kathleen | Executive | Award | 1,925 | $N/A | $0 | |
| Dec 31, 2025 | A. Armstrong Dana | Executive | Award | 1,829 | $N/A | $0 | |
| Dec 31, 2025 | L. Shipp Earl | Executive | Award | 1,829 | $N/A | $0 | |
| Dec 31, 2025 | R. Dickerson Lawrence | Executive | Award | 3,806 | $N/A | $0 | |
| Dec 10, 2025 | Johanson David | Executive | Sale | 2,100 | $13.96 | $29.3K | |
| Dec 3, 2025 | Johanson David | Executive | Sale | 10,000 | $13.02 | $130.2K | |
| Sep 30, 2025 | A. Armstrong Dana | Executive | Award | 2,002 | $N/A | $0 | |
| Sep 30, 2025 | L. Shipp Earl | Executive | Award | 2,002 | $N/A | $0 | |
| Aug 11, 2025 | Lee Kornblau Scott | Executive | Sale | 59,805 | $11.48 | $686.6K | Large |
| Jun 30, 2025 | A. Armstrong Dana | Executive | Award | 1,969 | $N/A | $0 | |
| Jun 30, 2025 | L. Shipp Earl | Executive | Award | 1,969 | $N/A | $0 | |
| Aug 26, 2024 | Petterson Lasse | Executive | Sale | 28,709 | $9.24 | $265.3K | 10b5-1 |
| Aug 23, 2024 | Petterson Lasse | Executive | Sale | 46,510 | $9.08 | $422.3K | 10b5-1 |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 170 | $282.6M | 84.4% |
Other(J) | 2 | $29.0M | 8.6% |
Payment(F) | 112 | $10.4M | 3.1% |
Purchase(P) | 141 | $8.3M | 2.5% |
Award(A) | 543 | $2.3M | 0.7% |
Exercise(M) | 29 | $1.9M | 0.6% |
Disposition(D) | 6 | $256.3K | 0.1% |
Gift(G) | 10 | $0 | 0.0% |
Insider selling pressure at Great Lakes Dredge & Dock CORP has increased, with 50 insiders executing 1013 transactions across all time. Total sales of $282.6M significantly outpace purchases of $8.3M, resulting in a net outflow of $274.4M. This selling activity appears largely discretionary, which may warrant closer attention from investors.