DICKERSON LAWRENCE R

Director at DIAMOND OFFSHORE DRILLING, INC. · on record since Jan 4, 2006
Director at GLOBAL INDUSTRIES LTD · on record since Mar 23, 2007
President and C.O.O. at DIAMOND OFFSHORE DRILLING, INC. · on record since Jul 3, 2003
Director at Great Lakes Dredge & Dock CORP · on record since Apr 1, 2026
Director at OIL STATES INTERNATIONAL, INC · on record since May 13, 2026
Director at MURPHY OIL CORP · on record since Aug 8, 2014
Director at HERCULES OFFSHORE, INC. · on record since Nov 16, 2015

Insider trading activity of DICKERSON LAWRENCE R

Transactions on record: 344; since Oct 3, 2003

Open-market buys: 2; $296.6K

Open-market sells: 65; $11.9M

Companies traded: 6; last filing May 13, 2026

Figures computed from official regulatory filings — .

Companies where DICKERSON LAWRENCE R has traded

OIL STATES INTERNATIONAL, INC14 tx · May 13, 2026
Great Lakes Dredge & Dock CORP48 tx · $352.9K · Apr 1, 2026
MURPHY OIL CORP30 tx · $201.6K · Feb 6, 2026
HERCULES OFFSHORE, INC.2 tx · Feb 12, 2016
DIAMOND OFFSHORE DRILLING, INC.228 tx · $18.8M · Jan 6, 2014
GLOBAL INDUSTRIES LTD22 tx · $471.1K · Dec 2, 2011

Track record of DICKERSON LAWRENCE R

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of DICKERSON LAWRENCE R

Co-insiders of DICKERSON LAWRENCE R

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
OIL STATES INTERNATIONAL, INCListing on record	May 13, 2026	Award	16,760	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Apr 1, 2026	OtherD (derivative)	-76,962	—	n/a (No price was disclosed in the filing)	SEC
Great Lakes Dredge & Dock CORPListing on record	Apr 1, 2026	AwardD (derivative)	2,938	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Apr 1, 2026	Other	-86,217	—	n/a (No price was disclosed in the filing)	SEC
MURPHY OIL CORPListing on record	Feb 6, 2026	Exercise	7,886	—	n/a (No price was disclosed in the filing)	SEC
MURPHY OIL CORPListing on record	Feb 6, 2026	ExerciseD (derivative)	-7,497	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MURPHY OIL CORPListing on record	Feb 6, 2026	AwardD (derivative)	6,316	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Jan 5, 2026	AwardD (derivative)	3,806	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Oct 1, 2025	AwardD (derivative)	4,165	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Jul 1, 2025	AwardD (derivative)	4,097	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
OIL STATES INTERNATIONAL, INCListing on record	May 14, 2025	Award	31,185	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Apr 1, 2025	AwardD (derivative)	5,740	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MURPHY OIL CORPListing on record	Feb 6, 2025	AwardD (derivative)	7,497	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Jan 3, 2025	Award	4,069	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Nov 15, 2024	Sell	-15,936	12.04 USD	$191.9K	SEC
Great Lakes Dredge & Dock CORPListing on record	Nov 13, 2024	Sell	-5,323	12.61 USD	$67.1K	SEC
Great Lakes Dredge & Dock CORPListing on record	Oct 2, 2024	Award	4,363	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Jul 1, 2024	Award	5,232	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
OIL STATES INTERNATIONAL, INCListing on record	May 8, 2024	Award	33,259	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Apr 1, 2024	Award	5,250	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MURPHY OIL CORPListing on record	Feb 8, 2024	AwardD (derivative)	5,268	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Jan 3, 2024	AwardD (derivative)	5,982	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Oct 2, 2023	AwardD (derivative)	5,763	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Jul 3, 2023	AwardD (derivative)	5,630	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
OIL STATES INTERNATIONAL, INCListing on record	May 10, 2023	Award	21,708	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
OIL STATES INTERNATIONAL, INCListing on record	May 13, 2026	Award	16,760	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Apr 1, 2026	OtherD (derivative)	-76,962	—	n/a (No price was disclosed in the filing)	SEC
Great Lakes Dredge & Dock CORPListing on record	Apr 1, 2026	AwardD (derivative)	2,938	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Apr 1, 2026	Other	-86,217	—	n/a (No price was disclosed in the filing)	SEC
MURPHY OIL CORPListing on record	Feb 6, 2026	Exercise	7,886	—	n/a (No price was disclosed in the filing)	SEC
MURPHY OIL CORPListing on record	Feb 6, 2026	ExerciseD (derivative)	-7,497	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MURPHY OIL CORPListing on record	Feb 6, 2026	AwardD (derivative)	6,316	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Jan 5, 2026	AwardD (derivative)	3,806	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Oct 1, 2025	AwardD (derivative)	4,165	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Jul 1, 2025	AwardD (derivative)	4,097	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
OIL STATES INTERNATIONAL, INCListing on record	May 14, 2025	Award	31,185	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Apr 1, 2025	AwardD (derivative)	5,740	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MURPHY OIL CORPListing on record	Feb 6, 2025	AwardD (derivative)	7,497	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Jan 3, 2025	Award	4,069	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Nov 15, 2024	Sell	-15,936	12.04 USD	$191.9K	SEC
Great Lakes Dredge & Dock CORPListing on record	Nov 13, 2024	Sell	-5,323	12.61 USD	$67.1K	SEC
Great Lakes Dredge & Dock CORPListing on record	Oct 2, 2024	Award	4,363	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Jul 1, 2024	Award	5,232	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
OIL STATES INTERNATIONAL, INCListing on record	May 8, 2024	Award	33,259	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Apr 1, 2024	Award	5,250	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
MURPHY OIL CORPListing on record	Feb 8, 2024	AwardD (derivative)	5,268	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Jan 3, 2024	AwardD (derivative)	5,982	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Oct 2, 2023	AwardD (derivative)	5,763	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Great Lakes Dredge & Dock CORPListing on record	Jul 3, 2023	AwardD (derivative)	5,630	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
OIL STATES INTERNATIONAL, INCListing on record	May 10, 2023	Award	21,708	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC