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Who

Bryan Sheffield

Director and 10% owner

Company insider

Files Form 4 as: Director and 10% owner, Tamboran Resources; Director, President and CEO, Pioneer PE Holding.

Every Form 4 they filed

In numbers

Trades disclosed
111
Buys
2
Sells
49
Bought
$5.2M
Sold
$266.4M
Companies
2
Companies where not an officer
1
First trade
29 May 2014
Last trade
28 May 2026
Last filed
29 Jul 2026

Companies traded

Where they are an officer
Pioneer PE HoldingDirector, Officer, 10% owner · last 12 Jan 20211 buy · 49 sells
Everywhere else they filed: board seats, 10% stakes, other companies
TBN Tamboran ResourcesDirector, 10% owner · Oil & Gas E&P · last 28 May 20261 buy · 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
28 May 2026filed 29 Jul 2026TBN Tamboran ResourcesOil & Gas E&PSEC FORM 4 Code A—339,500filing
14 Apr 2026filed 16 Apr 2026TBN Tamboran ResourcesOil & Gas E&PSEC FORM 4 Code A$1.8M50,000 at $35.00filing
16 Jan 2026filed 21 Jan 2026TBN Tamboran ResourcesOil & Gas E&PSEC FORM 4 Code A$2.8M133,655 at $21.00filing
30 Aug 2024filed 4 Sep 2024TBN Tamboran ResourcesOil & Gas E&PSEC FORM 4 Bought$250K12,424 at $20.12filing
12 Jan 2021filed 12 Jan 2021Pioneer PE HoldingSEC FORM 4 Code D—8,460,080filing
12 Jan 2021filed 12 Jan 2021Pioneer PE HoldingSEC FORM 4 Code D—352,521filing
12 Jan 2021filed 12 Jan 2021Pioneer PE HoldingSEC FORM 4 Code D—948,043filing
12 Jan 2021filed 12 Jan 2021Pioneer PE HoldingSEC FORM 4 Code D—297,761filing
12 Jan 2021filed 12 Jan 2021Pioneer PE HoldingSEC FORM 4 Code D—19,515,517filing
12 Jan 2021filed 12 Jan 2021Pioneer PE HoldingSEC FORM 4 Code D—371,249filing
12 Jan 2021filed 12 Jan 2021Pioneer PE HoldingSEC FORM 4 Code D—998,406filing
12 Jan 2021filed 12 Jan 2021Pioneer PE HoldingSEC FORM 4 Code D—313,579filing
12 Jan 2021filed 12 Jan 2021Pioneer PE Holdingoption or derivativeSEC FORM 4 Code D—19,515,517filing
12 Jan 2021filed 12 Jan 2021Pioneer PE Holdingoption or derivativeSEC FORM 4 Code D—371,249filing
12 Jan 2021filed 12 Jan 2021Pioneer PE Holdingoption or derivativeSEC FORM 4 Code D—998,406filing
12 Jan 2021filed 12 Jan 2021Pioneer PE Holdingoption or derivativeSEC FORM 4 Code D—313,579filing
17 Dec 2020filed 18 Dec 2020Parsley EnergySEC FORM 4 Code A—120,548 at $0.00filing
17 Dec 2020filed 18 Dec 2020Parsley EnergySEC FORM 4 Code F$687K47,436 at $14.49filing
17 Dec 2020filed 18 Dec 2020Parsley EnergySEC FORM 4 Code F$344K23,718 at $14.49filing
20 Aug 2020filed 20 Aug 2020Parsley EnergySEC FORM 4 Sold$3.4M300,000 at $11.46filing

News

Tamboran Resources (NYSE:TBN) Shares Gap Down – Time to Sell?TBN · tickerreport.com · 19 Oct 2026Tamboran Resources appoints Todd Abbott managing director as Beetaloo moves into developmentTBN · proactiveinvestors.com · 18 Oct 2026

0 headlines in the last 90 days name Bryan Sheffield; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Energy1
Not placed50

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

Related people

Nobody else traded the same names lately.