SEC Insider Transactions from DICKERSON LAWRENCE R.

Last updated: 2026-04-01 21:05 UTC | Total transactions: 29

DICKERSON LAWRENCE R has filed 29 insider transactions across 3 companies since March 2022.

Most recent transaction: a disposition of 76962 shares of Great Lakes Dredge & Dock CORP ($GLDD) on April 01, 2026.

Activity breakdown: 0 open-market purchases and 2 sales.

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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 DICKERSON LAWRENCE R Not found D Deferred Stock Units 76962 $0.00 0.0000 67,999,305 100.00% 0.11%
March 31, 2026 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Not found A Deferred Stock Units 2938 $0.00 76,962.0000 67,999,305 3.97% 0.00%
April 1, 2026 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Not found U Common Stock 86217 $0.00 0.0000 67,999,305 100.00% 0.13%
Feb. 5, 2026 MURPHY OIL CORP $MUR DICKERSON LAWRENCE R Director M Common Stock 7886 $0.00 51,512.0000 143,976,000 18.08% 0.01%
Feb. 4, 2026 MURPHY OIL CORP $MUR DICKERSON LAWRENCE R Director A Restricted Stock Unit 6316 $0.00 45,133.0000 143,976,000 16.27% 0.00%
Feb. 5, 2026 MURPHY OIL CORP $MUR DICKERSON LAWRENCE R Director M Restricted Stock Unit 7497 $0.00 37,636.0000 143,976,000 16.61% 0.01%
Dec. 31, 2025 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Not found A Deferred Stock Units 3806 $0.00 74,024.0000 67,999,305 5.42% 0.01%
Sept. 30, 2025 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Not found A Deferred Stock Units 4165 $0.00 70,218.0000 67,282,528 6.31% 0.01%
June 30, 2025 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Not found A Deferred Stock Units 4097 $0.00 66,053.0000 67,282,528 6.61% 0.01%
May 13, 2025 OIL STATES INTERNATIONAL, INC $OIS DICKERSON LAWRENCE R Director A Common Stock 31185 $0.00 158,853.0000 61,493,000 24.43% 0.05%
March 31, 2025 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Not found A Deferred Stock Units 5740 $0.00 61,956.0000 67,282,528 10.21% 0.01%
Feb. 5, 2025 MURPHY OIL CORP $MUR DICKERSON LAWRENCE R Director A Restricted Stock Unit 7497 $0.00 38,817.0000 151,027,352 23.94% 0.00%
Dec. 31, 2024 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Not found A Common Stock 4069 $0.00 86,217.0000 0 4.95% 0.00%
Nov. 14, 2024 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Not found S Common Stock 15936 $12.04 82,148.0000 0 16.25% 0.00%
Nov. 12, 2024 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Not found S Common Stock 5323 $12.61 98,084.0000 0 5.15% 0.00%
Sept. 30, 2024 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Not found A Common Stock 4363 $0.00 103,407.0000 0 4.41% 0.00%
June 28, 2024 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Not found A Common Stock 5232 $0.00 99,044.0000 0 5.58% 0.00%
May 7, 2024 OIL STATES INTERNATIONAL, INC $OIS DICKERSON LAWRENCE R Director A Common Stock 33259 $0.00 127,668.0000 63,327,000 35.23% 0.05%
March 28, 2024 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Director A Common Stock 5250 $0.00 93,812.0000 0 5.93% 0.00%
Feb. 7, 2024 MURPHY OIL CORP $MUR DICKERSON LAWRENCE R Director A Restricted Stock Unit 5268 $0.00 31,320.0000 156,646,429 20.22% 0.00%
Dec. 29, 2023 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Director A Deferred Stock Units 5982 $0.00 56,216.0000 0 11.91% 0.00%
Sept. 29, 2023 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Director A Deferred Stock Units 5763 $0.00 50,234.0000 0 12.96% 0.00%
June 30, 2023 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Director A Deferred Stock Units 5630 $0.00 44,471.0000 0 14.49% 0.00%
March 31, 2023 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Director A Deferred Stock Units 8460 $0.00 38,841.0000 0 27.85% 0.00%
Feb. 1, 2023 MURPHY OIL CORP $MUR DICKERSON LAWRENCE R Director A Restricted Stock Unit 4740 $0.00 26,052.0000 157,475,000 22.24% 0.00%
Sept. 30, 2022 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Director A Deferred Stock Units 8956 $0.00 18,973.0000 0 89.41% 0.00%
June 30, 2022 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Director A Deferred Stock Units 5179 $0.00 10,017.0000 0 107.05% 0.00%
March 31, 2022 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Director A Deferred Stock Units 4838 $0.00 4,838.0000 0 9999.99% 0.00%
Dec. 30, 2022 Great Lakes Dredge & Dock CORP $GLDD DICKERSON LAWRENCE R Director A Deferred Stock Units 11408 $0.00 24,388.0000 0 87.89% 0.00%