Insider Trading for GLDD
View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.
Insider Trading Summary
Shares Acquired
Sign in to see amounts
Shares Disposed
Sign in to see amounts
Net Position
Sign in to see net activity
Unlock for free
Already registered? Sign in
Recent Activity (30 Days)
No insider transactions in the past 30 days.
Quarterly Activity (3 Months)
No insider transactions in the past 3 months.
Key Insider Activity: Jun 30, 2025 to Apr 1, 2026
Petterson Lasse
ExecutiveChief Executive Officer
-1.2M shares
9 transactions
DICKERSON LAWRENCE R
DirectorDirector
-152.3K shares
5 transactions
Kornblau Scott Lee
ExecutiveChief Financial Officer
-171.9K shares
10 transactions
Steger Ronald
DirectorDirector
-57.2K shares
6 transactions
BEYKO ELENI
ExecutiveVice President
-105.5K shares
10 transactions
Transaction Details
| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Apr 1, 2026 | Schiffer Vivienne | EVice President | Award/Grant | 28.9K | $0.00 | $0.00 | 144.8K | View |
| Apr 1, 2026 | Schiffer Vivienne | EVice President | U-Tender | 144.8K | $0.00 | $0.00 | 0 | View |
| Apr 1, 2026 | Petterson Lasse | EChief Executive Officer | Award/Grant | 206.4K | $0.00 | $0.00 | 1.6M | View |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Apr 1, 2026 | Locked | — | — | — | — | — | — | — |
Mar 31, 2026 | Locked | — | — | — | — | — | — | — |
Mar 31, 2026 | Locked | — | — | — | — | — | — | — |
Mar 31, 2026 | Locked | — | — | — | — | — | — | — |
Mar 31, 2026 | Locked | — | — | — | — | — | — | — |
Mar 25, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Mar 16, 2026 | Locked | — | — | — | — | — | — | — |
Feb 23, 2026 | Locked | — | — | — | — | — | — | — |
Feb 23, 2026 | Locked | — | — | — | — | — | — | — |
Feb 23, 2026 | Locked | — | — | — | — | — | — | — |
Feb 23, 2026 | Locked | — | — | — | — | — | — | — |
Feb 23, 2026 | Locked | — | — | — | — | — | — | — |
Feb 23, 2026 | Locked | — | — | — | — | — | — | — |
Feb 23, 2026 | Locked | — | — | — | — | — | — | — |
Feb 23, 2026 | Locked | — | — | — | — | — | — | — |
Jan 15, 2026 | Locked | — | — | — | — | — | — | — |
Jan 15, 2026 | Locked | — | — | — | — | — | — | — |
Jan 15, 2026 | Locked | — | — | — | — | — | — | — |
Jan 15, 2026 | Locked | — | — | — | — | — | — | — |
Dec 31, 2025 | Locked | — | — | — | — | — | — | — |
Dec 31, 2025 | Locked | — | — | — | — | — | — | — |
Dec 31, 2025 | Locked | — | — | — | — | — | — | — |
Dec 31, 2025 | Locked | — | — | — | — | — | — | — |
Dec 31, 2025 | Locked | — | — | — | — | — | — | — |
Dec 31, 2025 | Locked | — | — | — | — | — | — | — |
Dec 10, 2025 | Locked | — | — | — | — | — | — | — |
Dec 3, 2025 | Locked | — | — | — | — | — | — | — |
Sep 30, 2025 | Locked | — | — | — | — | — | — | — |
Sep 30, 2025 | Locked | — | — | — | — | — | — | — |
Sep 30, 2025 | Locked | — | — | — | — | — | — | — |
Sep 30, 2025 | Locked | — | — | — | — | — | — | — |
Sep 30, 2025 | Locked | — | — | — | — | — | — | — |
Aug 11, 2025 | Locked | — | — | — | — | — | — | — |
Jun 30, 2025 | Locked | — | — | — | — | — | — | — |
Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.
Executive Activity:
Executives have been net sellers of GLDD stock, though this may be part of planned diversification.