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Who

Brian F. Maxted

Director

Company insider

Files Form 4 as: Director, Geopark; Chief Exploration Officer, Kosmos Energy.

In numbers

Trades disclosed
80
Buys
1
Sells
27
Bought
$180K
Sold
$31.0M
Companies
2
Companies where not an officer
1
First trade
16 May 2011
Last trade
24 Aug 2026
Last filed
26 Aug 2026

Companies traded

Where they are an officer
KOS Kosmos EnergyDirector, Officer · Oil & Gas E&P · last 5 Jun 20191 buy · 27 sells
Everywhere else they filed: board seats, 10% stakes, other companies
GPRK GeoparkDirector · Oil & Gas E&P · last 24 Aug 20260 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
24 Aug 2026filed 26 Aug 2026GPRK GeoparkOil & Gas E&PSEC FORM 4 Code A—2,567 at $0.00filing
24 Aug 2026filed 26 Aug 2026GPRK GeoparkOil & Gas E&PSEC FORM 4 Code A—2,567 at $0.00filing
18 May 2026filed 20 May 2026GPRK GeoparkOil & Gas E&PSEC FORM 4 Code A—2,812 at $0.00filing
18 May 2026filed 20 May 2026GPRK GeoparkOil & Gas E&PSEC FORM 4 Code A—2,812 at $0.00filing
5 Jun 2019filed 7 Jun 2019KOS Kosmos EnergyOil & Gas E&PSEC FORM 4 Code A—25,090 at $0.00filing
4 Jan 2019filed 18 Jan 2019KOS Kosmos EnergyOil & Gas E&PSEC FORM 4 Code A—74,464 at $0.00filing
4 Jan 2019filed 18 Jan 2019KOS Kosmos EnergyOil & Gas E&PSEC FORM 4 Code F$169K36,659 at $4.60filing
4 Jan 2019filed 8 Jan 2019KOS Kosmos EnergyOil & Gas E&PSEC FORM 4 Code A—74,464 at $0.00filing
4 Jan 2019filed 8 Jan 2019KOS Kosmos EnergyOil & Gas E&PSEC FORM 4 Code F$169K36,659 at $4.60filing
2 Jan 2019filed 18 Jan 2019KOS Kosmos EnergyOil & Gas E&PSEC FORM 4 Code F$175K42,379 at $4.12filing
2 Jan 2019filed 4 Jan 2019KOS Kosmos EnergyOil & Gas E&PSEC FORM 4 Code F$152K36,781 at $4.12filing
15 Oct 2018filed 18 Jan 2019KOS Kosmos EnergyOil & Gas E&PSEC FORM 4 Code G—351,219 at $0.00filing
15 Oct 2018filed 18 Jan 2019KOS Kosmos EnergyOil & Gas E&PSEC FORM 4 Code G—351,219 at $0.00filing
1 Jun 2018filed 5 Jun 2018KOS Kosmos EnergyOil & Gas E&PSEC FORM 4 Code A—190,476 at $0.00filing
1 Jun 2018filed 5 Jun 2018KOS Kosmos EnergyOil & Gas E&PSEC FORM 4 Code F$717K90,191 at $7.95filing
1 Jun 2018filed 5 Jun 2018KOS Kosmos EnergyOil & Gas E&PSEC FORM 4 Code F$90K11,274 at $7.95filing
31 Jan 2018filed 2 Feb 2018KOS Kosmos EnergyOil & Gas E&PSEC FORM 4 Code A—89,500 at $0.00filing
2 Jan 2018filed 4 Jan 2018KOS Kosmos EnergyOil & Gas E&PSEC FORM 4 Code F$97K14,127 at $6.85filing
2 Jan 2018filed 4 Jan 2018KOS Kosmos EnergyOil & Gas E&PSEC FORM 4 Code F$97K14,126 at $6.85filing
2 Jan 2018filed 4 Jan 2018KOS Kosmos EnergyOil & Gas E&PSEC FORM 4 Code A—400,294 at $0.00filing

News

Reviewing Kosmos Energy (NYSE:KOS) & Gran Tierra Energy (NYSE:GTE)KOS · tickerreport.com · 24 Oct 2026

0 headlines in the last 90 days name Brian F. Maxted; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Energy28

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

Related people

Josh R. MarionSVP and General Counsel · SVP and General Counsel at Kosmos Energy, filing Form 4 there in the last year
Andrew G. InglisChairman and CEO · Chairman and CEO at Kosmos Energy, filing Form 4 there in the last year
Ronald W. GlassVP & Chief Accounting Officer · VP & Chief Accounting Officer at Kosmos Energy, filing Form 4 there in the last year
Nealesh D. ShahSVP and CFO · SVP and CFO at Kosmos Energy, filing Form 4 there in the last year
Deanna L. GoodwinDirector · Director at Kosmos Energy, filing Form 4 there in the last year