JOHANSON DAVID (CIK 1940445) reported 21 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-25). Recent activity: Buy GLDD (13,179 shares), Buy GLDD (12,646 shares), Sell GLDD (3,080 shares), Sell GLDD (1,029 shares), Buy GLDD (8,444 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-25 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Buy | 13,179 | $0 |
| 2026-03-18 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Buy | 12,646 | $0 |
| 2026-03-18 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Sell | 3,080 | $52,144 |
| 2026-03-18 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Sell | 1,029 | $17,421 |
| 2026-03-18 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Buy | 8,444 | $0 |
| 2026-03-18 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Sell | 2,057 | $34,825 |
| 2026-03-18 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Sell | 1,659 | $28,087 |
| 2026-02-25 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Buy | 13,988 | $0 |
| 2025-12-12 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Sell | 2,100 | $29,316 |
| 2025-12-04 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Sell | 10,000 | $130,200 |
| 2025-05-12 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Buy | 13,179 | $0 |
| 2025-05-07 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Sell | 547 | $5,218 |
| 2025-05-07 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Sell | 117 | $1,116 |
| 2025-05-07 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Sell | 63 | $601 |
| 2025-05-07 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Sell | 98 | $935 |
| 2025-03-18 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Buy | 12,495 | $0 |
| 2025-03-18 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Sell | 2,046 | $17,800 |
| 2025-03-18 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Sell | 1,658 | $14,425 |
| 2025-03-18 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Sell | 3,043 | $26,474 |
| 2025-03-18 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Sell | 1,029 | $8,952 |
| 2025-03-18 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Project Acquisition & Ops | Buy | 8,402 | $0 |
Source: SEC Form 4 filings · as of 2026-03-25