Schiffer Vivienne has filed 28 insider transactions across 1 company since March 2023.
Most recent transaction: a transaction of 144817 shares of Great Lakes Dredge & Dock CORP ($GLDD) on April 01, 2026.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 1, 2026 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | U | Common Stock | 144817 | $0.00 | 0.0000 | 67,999,305 | 100.00% | 0.21% |
| April 1, 2026 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | A | Common Stock | 28945 | $0.00 | 144,817.0000 | 67,999,305 | 24.98% | 0.04% |
| May 8, 2025 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | A | Common Stock | 18035 | $0.00 | 82,181.0000 | 67,282,528 | 28.12% | 0.03% |
| March 16, 2026 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | F | Common Stock | 2058 | $16.93 | 107,964.0000 | 67,999,305 | 1.87% | 0.00% |
| March 16, 2026 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | A | Common Stock | 10454 | $0.00 | 118,418.0000 | 67,999,305 | 9.68% | 0.02% |
| March 16, 2026 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | F | Common Stock | 2546 | $16.93 | 115,872.0000 | 67,999,305 | 2.15% | 0.00% |
| March 16, 2026 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | F | Common Stock | 2060 | $16.93 | 99,270.0000 | 67,999,305 | 2.03% | 0.00% |
| March 16, 2026 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | A | Common Stock | 14213 | $0.00 | 113,483.0000 | 67,999,305 | 14.32% | 0.02% |
| March 16, 2026 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | F | Common Stock | 3461 | $16.93 | 110,022.0000 | 67,999,305 | 3.05% | 0.01% |
| Feb. 23, 2026 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | A | Common Stock | 19149 | $0.00 | 101,330.0000 | 67,999,305 | 23.30% | 0.03% |
| May 8, 2025 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | A | Common Stock | 18035 | $0.00 | 82,181.0000 | 67,282,528 | 28.12% | 0.03% |
| May 5, 2025 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | F | Common Stock | 1070 | $9.54 | 64,829.0000 | 67,282,528 | 1.62% | 0.00% |
| May 5, 2025 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | F | Common Stock | 683 | $9.54 | 64,146.0000 | 67,282,528 | 1.05% | 0.00% |
| March 17, 2025 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | F | Common Stock | 2533 | $8.70 | 65,899.0000 | 67,282,528 | 3.70% | 0.00% |
| March 17, 2025 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | A | Common Stock | 14043 | $0.00 | 62,724.0000 | 67,282,528 | 28.85% | 0.02% |
| March 17, 2025 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | F | Common Stock | 3420 | $8.70 | 59,304.0000 | 67,282,528 | 5.45% | 0.01% |
| March 17, 2025 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | F | Common Stock | 1274 | $8.70 | 58,030.0000 | 67,282,528 | 2.15% | 0.00% |
| March 17, 2025 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | A | Common Stock | 10402 | $0.00 | 68,432.0000 | 67,282,528 | 17.93% | 0.02% |
| March 17, 2025 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | F | Common Stock | 1864 | $8.70 | 48,681.0000 | 67,282,528 | 3.69% | 0.00% |
| May 6, 2024 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | F | Common Stock | 1070 | $7.04 | 50,545.0000 | 0 | 2.07% | 0.00% |
| March 15, 2024 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | A | Common Stock | 15684 | $0.00 | 51,615.0000 | 0 | 43.65% | 0.00% |
| March 15, 2024 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | F | Common Stock | 3012 | $8.62 | 35,931.0000 | 0 | 7.73% | 0.00% |
| March 15, 2024 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | F | Common Stock | 3051 | $8.62 | 38,943.0000 | 0 | 7.27% | 0.00% |
| March 15, 2024 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | A | Common Stock | 7752 | $0.00 | 41,994.0000 | 0 | 22.64% | 0.00% |
| March 5, 2024 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | F | Common Stock | 895 | $8.70 | 34,242.0000 | 0 | 2.55% | 0.00% |
| May 5, 2023 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | F | Common Stock | 1296 | $5.75 | 35,137.0000 | 0 | 3.56% | 0.00% |
| March 15, 2023 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | A | Common Stock | 22960 | $0.00 | 36,433.0000 | 0 | 170.41% | 0.00% |
| March 6, 2023 | Great Lakes Dredge & Dock CORP | $GLDD | Schiffer Vivienne | SVP, CLO, CCO & Corp Secretary | F | Common Stock | 1152 | $5.78 | 13,473.0000 | 0 | 7.88% | 0.00% |