GUNSTEN CHRISTOPHER (CIK 1939594) reported 15 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-01). Recent activity: Buy GLDD (71,860 shares), Sell GLDD (182,496 shares), Buy GLDD (13,179 shares), Sell GLDD (2,204 shares), Buy GLDD (12,646 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-01 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Proj Svcs & Fleet Engineer | Buy | 71,860 | $0 |
| 2026-04-01 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Proj Svcs & Fleet Engineer | Sell | 182,496 | $0 |
| 2026-03-25 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Proj Svcs & Fleet Engineer | Buy | 13,179 | $0 |
| 2026-03-18 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Proj Svcs & Fleet Engineer | Sell | 2,204 | $37,314 |
| 2026-03-18 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Proj Svcs & Fleet Engineer | Buy | 12,646 | $0 |
| 2026-03-18 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Proj Svcs & Fleet Engineer | Sell | 4,091 | $69,261 |
| 2026-03-18 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Proj Svcs & Fleet Engineer | Sell | 1,367 | $23,143 |
| 2026-03-18 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Proj Svcs & Fleet Engineer | Buy | 8,444 | $0 |
| 2026-03-18 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Proj Svcs & Fleet Engineer | Sell | 2,732 | $46,253 |
| 2026-02-25 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Proj Svcs & Fleet Engineer | Buy | 13,988 | $0 |
| 2025-05-12 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Proj Svcs & Fleet Engineer | Buy | 13,179 | $0 |
| 2025-05-07 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Proj Svcs & Fleet Engineer | Sell | 129 | $1,231 |
| 2025-05-07 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Proj Svcs & Fleet Engineer | Sell | 603 | $5,753 |
| 2025-05-07 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Proj Svcs & Fleet Engineer | Sell | 74 | $706 |
| 2025-05-07 | Great Lakes Dredge & Dock CORP (GLDD) | SVP-Proj Svcs & Fleet Engineer | Sell | 116 | $1,107 |
来源：SEC Form 4 申报文件 · 截至 2026-04-01