Insiders / Schiffer Vivienne
Schiffer Vivienne
CIK 1835547personinsider
Companies
1
First seen
Feb 25, 2026
Last activity
Apr 1, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Great Lakes Dredge & Dock Corp · GLDD | 0 | — |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Mar 16, 2026 | Other | GLDD Great Lakes Dredge & Dock Corp Common Stock | $58.6K | -3K -3.05% | 110,022 0.16% of shares | low |
| Mar 16, 2026 | Other | GLDD Great Lakes Dredge & Dock Corp Common Stock | $43.1K | -3K -2.15% | 115,872 0.17% of shares | low |
| Mar 16, 2026 | Other | GLDD Great Lakes Dredge & Dock Corp Common Stock | $34.9K | -2K -2.03% | 99,270 0.15% of shares | low |
| Mar 16, 2026 | Other | GLDD Great Lakes Dredge & Dock Corp Common Stock | $34.8K | -2K -1.87% | 107,964 0.16% of shares | low |
| Apr 1, 2026 | Grant | GLDD Great Lakes Dredge & Dock Corp Common Stock | — | +29K +24.98% | 144,817 0.22% of shares | low |
| Mar 16, 2026 | Grant | GLDD Great Lakes Dredge & Dock Corp Common Stock | — | +10K +9.68% | 118,418 0.18% of shares | low |
| Mar 16, 2026 | Grant | GLDD Great Lakes Dredge & Dock Corp Common Stock | — | +14K +14.32% | 113,483 0.17% of shares | low |
| Feb 23, 2026 | Grant | GLDD Great Lakes Dredge & Dock Corp Common Stock | — | +19K +23.30% | 101,330 0.15% of shares | low |
| May 8, 2025 | Grant | GLDD Great Lakes Dredge & Dock Corp Common Stock | — | +18K +28.12% | 82,181 0.12% of shares | low |