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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

Sectors

Energy1
Not placed50

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

Related people

Nobody else traded the same names lately.