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Who

Lawrence R. Dickerson

Director

Company insider

Files Form 4 as: Director, Oil States International; Director, Great Lakes Dredge & Dock; Director, Murphy Oil; Director, Hercules Offshore; President and C.E.O., Diamond Offshore Drilling; Director, Global Industries.

In numbers

Trades disclosed
291
Buys
1
Sells
13
Bought
$297K
Sold
$7.4M
Companies
6
Companies where not an officer
5
First trade
31 Dec 2005
Last trade
12 May 2026
Last filed
13 May 2026

Companies traded

Where they are an officer
Diamond Offshore DrillingDirector, Officer · last 2 Jan 20141 buy · 6 sells
Everywhere else they filed: board seats, 10% stakes, other companies
OIS Oil States InternationalDirector · Machinery · last 12 May 20260 buys · 0 sells
Great Lakes Dredge & DockDirector · Engineering & Construction · last 1 Apr 20260 buys · 6 sells
MUR Murphy OilDirector · Oil & Gas E&P · last 5 Feb 20260 buys · 1 sell
Hercules OffshoreDirector · last 11 Dec 20150 buys · 0 sells
Global IndustriesDirector · last 1 Dec 20110 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
20Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
12 May 2026filed 13 May 2026OIS Oil States InternationalMachinerySEC FORM 4 Code A—16,760 at $0.00filing
12 May 2026filed 13 May 2026OIS Oil States InternationalMachinerySEC FORM 4 Code A—16,760 at $0.00filing
1 Apr 2026filed 1 Apr 2026Great Lakes Dredge & DockEngineering & ConstructionSEC FORM 4 Code U—86,217filing
1 Apr 2026filed 1 Apr 2026Great Lakes Dredge & Dockoption or derivative · Engineering & ConstructionSEC FORM 4 Code D—76,962filing
1 Apr 2026filed 1 Apr 2026Great Lakes Dredge & Dockoption or derivativeSEC FORM 4 Code D—76,962filing
1 Apr 2026filed 1 Apr 2026Great Lakes Dredge & DockSEC FORM 4 Code U—86,217filing
31 Mar 2026filed 1 Apr 2026Great Lakes Dredge & Dockoption or derivative · Engineering & ConstructionSEC FORM 4 Code A—2,938 at $0.00filing
31 Mar 2026filed 1 Apr 2026Great Lakes Dredge & Dockoption or derivativeSEC FORM 4 Code A—2,938 at $0.00filing
5 Feb 2026filed 6 Feb 2026MUR Murphy OilOil & Gas E&PSEC FORM 4 Code M—7,886filing
5 Feb 2026filed 6 Feb 2026MUR Murphy Oiloption or derivative · Oil & Gas E&PSEC FORM 4 Code M—7,497 at $0.00filing
5 Feb 2026filed 6 Feb 2026MUR Murphy Oiloption or derivative · Oil & Gas E&PSEC FORM 4 Code M—7,497 at $0.00filing
5 Feb 2026filed 6 Feb 2026MUR Murphy OilOil & Gas E&PSEC FORM 4 Code M—7,886filing
4 Feb 2026filed 6 Feb 2026MUR Murphy Oiloption or derivative · Oil & Gas E&PSEC FORM 4 Code A—6,316 at $0.00filing
4 Feb 2026filed 6 Feb 2026MUR Murphy Oiloption or derivative · Oil & Gas E&PSEC FORM 4 Code A—6,316 at $0.00filing
31 Dec 2025filed 5 Jan 2026Great Lakes Dredge & Dockoption or derivative · Engineering & ConstructionSEC FORM 4 Code A—3,806 at $0.00filing
31 Dec 2025filed 5 Jan 2026Great Lakes Dredge & Dockoption or derivativeSEC FORM 4 Code A—3,806 at $0.00filing
30 Sep 2025filed 1 Oct 2025Great Lakes Dredge & Dockoption or derivativeSEC FORM 4 Code A—4,165 at $0.00filing
30 Jun 2025filed 1 Jul 2025Great Lakes Dredge & Dockoption or derivativeSEC FORM 4 Code A—4,097 at $0.00filing
13 May 2025filed 14 May 2025OIS Oil States InternationalMachinerySEC FORM 4 Code A—31,185 at $0.00filing
31 Mar 2025filed 1 Apr 2025Great Lakes Dredge & Dockoption or derivativeSEC FORM 4 Code A—5,740 at $0.00filing

Sectors

Energy1
Not placed13

Buys in green, sells in red, by the company’s sector.

Related people

Nobody else traded the same names lately.