Updated Jul 16, 2026
Schiffer Vivienne is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days.
Vivienne Schiffer is associated with Great Lakes Dredge & Dock Corporation, a company involved in dredging and marine construction. Specific details about her role or contributions are not widely documented in public sources.
| Role | Insider |
|---|---|
| Notability | 10/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-01 | GLDD | Great Lakes Dredge Dock CORP | J — Other acquisition / disposition | 144.8K | — | |
| 2026-04-01 | GLDD | Great Lakes Dredge Dock CORP | A — Grant or award | 28.9K | — | |
| 2026-03-25 | GLDD | Great Lakes Dredge Dock CORP | A — Grant or award | 18.0K | — | |
| 2026-03-18 | GLDD | Great Lakes Dredge Dock CORP | F — Tax withholding / forfeiture | 2.5K | $16.93 | $43K |
| 2026-03-18 | GLDD | Great Lakes Dredge Dock CORP | A — Grant or award | 10.5K | — | |
| 2026-03-18 | GLDD | Great Lakes Dredge Dock CORP | F — Tax withholding / forfeiture | 2.1K | $16.93 | $35K |
| 2026-03-18 | GLDD | Great Lakes Dredge Dock CORP | F — Tax withholding / forfeiture | 3.5K | $16.93 | $59K |
| 2026-03-18 | GLDD | Great Lakes Dredge Dock CORP | A — Grant or award | 14.2K | — | |
| 2026-03-18 | GLDD | Great Lakes Dredge Dock CORP | F — Tax withholding / forfeiture | 2.1K | $16.93 | $35K |
| 2026-02-25 | GLDD | Great Lakes Dredge Dock CORP | A — Grant or award | 19.1K | — |
Vivienne Schiffer is associated with Great Lakes Dredge & Dock Corporation, a company involved in dredging and marine construction. Specific details about her role or contributions are not widely documented in public sources.…
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