Shipp Earl L (CIK 1721123) reported 5 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-01). Recent activity: Sell GLDD (42,619 shares), Buy GLDD (1,829 shares), Buy GLDD (2,002 shares), Buy GLDD (1,969 shares), Buy GLDD (2,759 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-01 | Great Lakes Dredge & Dock CORP (GLDD) | Director | Sell | 42,619 | $0 |
| 2026-01-05 | Great Lakes Dredge & Dock CORP (GLDD) | Director | Buy | 1,829 | $0 |
| 2025-10-01 | Great Lakes Dredge & Dock CORP (GLDD) | Director | Buy | 2,002 | $0 |
| 2025-07-01 | Great Lakes Dredge & Dock CORP (GLDD) | Director | Buy | 1,969 | $0 |
| 2025-04-28 | Great Lakes Dredge & Dock CORP (GLDD) | Director | Buy | 2,759 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-04-01