SEC Insider Transactions from BEYKO ELENI.

Last updated: 2026-04-01 21:05 UTC | Total transactions: 37

Eleni Beyko, SVP of Offshore Energy at Great Lakes Dredge & Dock Corp ($GLDD), sold shares once on the open market in the last year, totaling about $232,000. Her most recent sale occurred on May 6, 2025. These sales rank 8,110th among 11,678 individual insiders, well below the average of $8.6 million per seller and 6.4 transactions. Beyko made no open market purchases during this period.

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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 BEYKO ELENI SVP - Offshore Energy U Common Stock 151312 $0.00 0.0000 67,999,305 100.00% 0.22%
April 1, 2026 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy A Common Stock 25505 $0.00 151,312.0000 67,999,305 20.27% 0.04%
May 8, 2025 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy A Common Stock 15376 $0.00 105,514.0000 67,282,528 17.06% 0.02%
Dec. 31, 2025 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy F Common Stock 8088 $13.12 125,807.0000 67,999,305 6.04% 0.01%
March 16, 2026 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy A Common Stock 9852 $0.00 137,083.0000 67,999,305 7.74% 0.01%
March 16, 2026 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy F Common Stock 3188 $16.93 133,895.0000 67,999,305 2.33% 0.00%
March 16, 2026 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy F Common Stock 2645 $16.93 119,189.0000 67,999,305 2.17% 0.00%
March 16, 2026 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy A Common Stock 14754 $0.00 133,943.0000 67,999,305 12.38% 0.02%
March 16, 2026 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy F Common Stock 4773 $16.93 129,170.0000 67,999,305 3.56% 0.01%
March 16, 2026 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy F Common Stock 1939 $16.93 127,231.0000 67,999,305 1.50% 0.00%
Feb. 23, 2026 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy A Common Stock 16320 $0.00 121,834.0000 67,999,305 15.47% 0.02%
May 8, 2025 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy A Common Stock 25000 $0.00 75,138.0000 67,282,528 49.86% 0.04%
May 8, 2025 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy A Common Stock 15376 $0.00 105,514.0000 67,282,528 17.06% 0.02%
May 8, 2025 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy A Common Stock 15000 $0.00 90,138.0000 67,282,528 19.96% 0.02%
May 6, 2025 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy S Common Stock 22579 $10.26 50,138.0000 67,282,528 31.05% 0.03%
May 5, 2025 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy F Common Stock 540 $9.54 72,717.0000 67,282,528 0.74% 0.00%
May 5, 2025 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy F Common Stock 846 $9.54 73,257.0000 67,282,528 1.14% 0.00%
May 5, 2025 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy F Common Stock 44 $9.54 74,103.0000 67,282,528 0.06% 0.00%
May 5, 2025 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy F Common Stock 28 $9.54 74,147.0000 67,282,528 0.04% 0.00%
April 24, 2025 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy F Common Stock 8088 $9.06 74,175.0000 67,282,528 9.83% 0.01%
March 17, 2025 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy F Common Stock 3172 $8.70 82,263.0000 67,282,528 3.71% 0.00%
March 17, 2025 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy A Common Stock 9803 $0.00 85,435.0000 67,282,528 12.96% 0.01%
March 17, 2025 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy F Common Stock 2570 $8.70 67,365.0000 67,282,528 3.67% 0.00%
March 17, 2025 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy F Common Stock 4716 $8.70 77,226.0000 67,282,528 5.76% 0.01%
March 17, 2025 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy F Common Stock 1594 $8.70 75,632.0000 67,282,528 2.06% 0.00%
March 17, 2025 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Energy A Common Stock 14577 $0.00 81,942.0000 67,282,528 21.64% 0.02%
May 6, 2024 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Wind F Common Stock 889 $7.04 69,935.0000 0 1.26% 0.00%
April 24, 2024 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Wind F Common Stock 8088 $7.44 70,824.0000 0 10.25% 0.00%
March 15, 2024 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Wind A Common Stock 14780 $0.00 78,912.0000 0 23.05% 0.00%
March 15, 2024 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Wind A Common Stock 8047 $0.00 69,306.0000 0 13.14% 0.00%
March 15, 2024 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Wind F Common Stock 2604 $8.62 66,702.0000 0 3.76% 0.00%
March 15, 2024 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Wind F Common Stock 2570 $8.62 64,132.0000 0 3.85% 0.00%
March 5, 2024 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Wind F Common Stock 612 $8.70 61,259.0000 0 0.99% 0.00%
July 14, 2022 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Wind A Common Stock 12500 $0.00 61,871.0000 0 25.32% 0.00%
May 5, 2023 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Wind F Common Stock 815 $5.75 49,371.0000 0 1.62% 0.00%
March 15, 2023 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Wind A Common Stock 23833 $0.00 50,186.0000 0 90.44% 0.00%
March 6, 2023 Great Lakes Dredge & Dock CORP $GLDD BEYKO ELENI SVP - Offshore Wind F Common Stock 497 $5.78 26,353.0000 0 1.85% 0.00%