SEC ownership of Tamboran Resources Corp

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001997652.

Comparable stake leader

Bryan Sheffield

Disclosed value leader

Bryan Sheffield

Comparable rows

50/50

Latest evidence

01 Jun 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Bryan Sheffield
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
01 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001997652
Issuer location
Barangaroo, Australia

Ownership snapshot

Top shareholders of Tamboran Resources Corp (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Bryan Sheffield
Disclosed value leader
Bryan Sheffield
Comparable rows
50/50
Latest evidence
01 Jun 2026
13D/G 3/4/5 13F Lead comparable stake: 12% 13D/G row: Bryan Sheffield Showing 1-8 of 50 holder rows.

Quick read

Bryan Sheffield leads the comparable SEC ownership view at 12%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Bryan Sheffield's linked filing trail.
Comparable ownership Top 5
Bryan Sheffield 12%
HITE Hedge Asset Management LLC 8.1%
Helmerich & Payne, Inc. 5%
Daly Waters Energy, LP 13%
Formentera Australia Fund I GP, LP 13%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Bryan Sheffield
13D/G 3/4/5
Director, 10%+ Owner
12%
$165,329,727
3,307,256 shares
+$2,499,500 14 Apr 2026
HITE Hedge Asset Management LLC
13F 13D/G
Company
8.1%
from 13D/G
$103,794,987
2,076,315 shares
31 Mar 2026
Helmerich & Payne, Inc.
13D/G
5%
$25,705,586
1,018,850 shares
$0 31 Dec 2025
Daly Waters Energy, LP
3/4/5
10%+ Owner
13%
$165,329,727
3,307,256 shares
14 Apr 2026
Formentera Australia Fund I GP, LP
3/4/5
10%+ Owner
13%
$165,329,727
3,307,256 shares
14 Apr 2026
Formentera Investments LLC
3/4/5
10%+ Owner
13%
$165,329,727
3,307,256 shares
14 Apr 2026
Sheffield Holdings, LP
3/4/5
10%+ Owner
13%
$165,329,727
3,307,256 shares
14 Apr 2026
Spraberry Interests, LLC
3/4/5
10%+ Owner
13%
$165,329,727
3,307,256 shares
14 Apr 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to buying over the last 12 months. Net value: +$10,668,624.

Buys
$10,668,624
Insiders: 3
Sells
$0
Insiders: 0
Net
+$10,668,624
Shares: +582,687
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 582,687 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 16,990 0 $621,639 $0 +$621,639
3-6 0 0 $0 $0 $0
6-9 2,000 0 $47,000 $0 +$47,000
9-12 563,697 0 $9,999,985 $0 +$9,999,985

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 21 reporting-owner rows connected to Tamboran Resources Corp. Open a relationship link for the CIK-to-CIK filing trail.

Rows
21
Largest Forms 3/4/5 holder
Daly Waters Energy, LP
Net 12M change
+$10,668,624
Latest report
01 Jun 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Daly Waters Energy, LP 10%+ Owner $165,329,727 Median 14 Apr 2026
Bryan Sheffield Director, 10%+ Owner $165,329,727 +$9,999,985 +6.4% Median 14 Apr 2026
Sheffield Holdings, LP 10%+ Owner $165,329,727 Median 14 Apr 2026
Formentera Investments LLC 10%+ Owner $165,329,727 Median 14 Apr 2026
Formentera Australia Fund I GP, LP 10%+ Owner $165,329,727 Median 14 Apr 2026
Spraberry Interests, LLC 10%+ Owner $165,329,727 Median 14 Apr 2026
David N. Siegel Director $24,031,242 Median 01 Jun 2026
Scott D. Sheffield Director $16,344,780 +$251,774 +1.6% Median 01 Jun 2026
Patrick James Dymock Elliott Director $13,541,589 Median 01 Jun 2026
Faron James Thibodeaux Chief Operating Officer $7,664,016 Median 14 Apr 2026
Richard K. Stoneburner Director $6,120,174 Median 01 Jun 2026
Todd Christopher Abbott Chief Executive Officer $4,254,251 Mixed 15 Jan 2026
Eric Steven Dyer Chief Financial Officer $3,987,651 Median 14 Apr 2026
Fredrick J. Barrett Director $3,635,572 Median 01 Jun 2026
Ryan Dalton Director $3,103,279 Median 01 Jun 2026
Joel Lynn Riddle Chief Executive Officer, Director $2,351,800 Mixed 22 Jul 2025
Phillip Z. Pace Director $2,233,703 +$416,865 +23% Median 01 Jun 2026
Jeffrey Lance Bellman Director $1,186,462 Median 01 Jun 2026
Andrew John Robb Director $714,607 Median 01 Jun 2026
Stephanie L. Reed Director $251,010 Mixed 31 Jan 2025

Recent insider transactions for Tamboran Resources Corp

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
David N. Siegel TBN Common Stock Award 0.84% 2,975 358,221 01 Jun 2026 Direct
Fredrick J. Barrett TBN Common Stock Award 7.93% 2,975 40,498 01 Jun 2026 Direct
Richard K. Stoneburner TBN Common Stock Award 2.84% 2,975 107,704 01 Jun 2026 Direct
Patrick James Dymock Elliott TBN Common Stock Award 11.7% 2,975 28,482 01 Jun 2026 Direct
Jeffrey Lance Bellman TBN Common Stock Award 14.7% 2,975 23,234 01 Jun 2026 Direct
Scott D. Sheffield TBN Common Stock Award 0.92% 2,975 326,961 01 Jun 2026 Direct
Phillip Z. Pace TBN Common Stock Award 7.13% 2,975 44,683 01 Jun 2026 Direct
Ryan Dalton TBN Common Stock Award 5.03% 2,975 62,078 01 Jun 2026 Direct
Andrew John Robb TBN Common Stock Award 26.3% 2,975 14,295 01 Jun 2026 Direct
Richard K. Stoneburner TBN Common Stock Award 5.44% 5,407 104,729 26 May 2026 Direct
Phillip Z. Pace TBN Common Stock Award 8.64% 3,318 41,708 26 May 2026 Direct
David N. Siegel TBN Common Stock Award 1.03% 3,625 355,246 26 May 2026 Direct
Patrick James Dymock Elliott TBN Common Stock Award 7.65% 1,813 25,507 26 May 2026 Direct
Andrew John Robb TBN Common Stock Award 19.1% 1,813 11,320 26 May 2026 Direct
Fredrick J. Barrett TBN Common Stock Award 5.08% 1,813 37,523 26 May 2026 Direct
Jeffrey Lance Bellman TBN Common Stock Award 19.6% 3,318 20,259 26 May 2026 Direct
Ryan Dalton TBN Common Stock Award 7.13% 3,933 59,103 26 May 2026 Direct
Scott D. Sheffield TBN Common Stock Award 0.94% 3,011 323,986 26 May 2026 Direct
Richard K. Stoneburner TBN Common Stock Award 9.24% 8,403 99,322 15 Apr 2026 Direct
Phillip Z. Pace TBN Common Stock Award 7.21% 2,581 38,390 15 Apr 2026 Direct
Scott D. Sheffield TBN Common Stock Award 9.76% 28,545 320,975 14 Apr 2026 Direct
Ryan Dalton TBN Common Stock Award 9.17% 4,632 55,170 14 Apr 2026 Direct
Faron James Thibodeaux TBN Common Stock Award 4.89% 7,143 153,311 14 Apr 2026 Direct
David N. Siegel TBN Common Stock Award 2.08% 2,500 122,500 14 Apr 2026 By Son
David N. Siegel TBN Common Stock Award 1.44% 5,000 351,621 14 Apr 2026 Direct
Eric Steven Dyer TBN Common Stock Award 2.73% 1,829 68,909 14 Apr 2026 Direct
Fredrick J. Barrett TBN Common Stock Award 19% 5,714 35,710 14 Apr 2026 Direct
Jeffrey Lance Bellman TBN Common Stock Award 10% 1,541 16,941 14 Apr 2026 Direct
Sheffield Bryan TBN Common Stock Award 1.54% 50,000 3,307,256 14 Apr 2026 See footnote
Sheffield Bryan TBN Common Stock Award 1.54% 50,000 3,307,256 14 Apr 2026 See footnote
Sheffield Bryan TBN Common Stock Award 1.54% 50,000 3,307,256 14 Apr 2026 See footnote
Sheffield Bryan TBN Common Stock Award 1.54% 50,000 3,307,256 14 Apr 2026 See footnote
Sheffield Bryan TBN Common Stock Award 1.54% 50,000 3,307,256 14 Apr 2026 See footnote
Bryan Sheffield TBN Common Stock Award 1.54% 50,000 3,307,256 14 Apr 2026 See footnote
Phillip Z. Pace TBN Common Stock Purchase 38.8% $369,865 $36.99 10,000 35,809 13 Apr 2026 Direct
Scott D. Sheffield TBN Common Stock Purchase 2.45% $251,774 $36.02 6,990 292,430 08 Apr 2026 Direct
David N. Siegel TBN Common Stock Gift 6.19% 7,000 120,000 04 Feb 2026 By Son
David N. Siegel TBN Common Stock Gift 769.2% 100,000 113,000 20 Jan 2026 By Son
Eric Steven Dyer TBN Common Stock Award 7.64% 4,761 67,080 16 Jan 2026 Direct
Phillip Z. Pace TBN Common Stock Award 1190.4% 23,809 25,809 16 Jan 2026 Direct
Fredrick J. Barrett TBN Common Stock Award 41.9% 9,523 32,228 16 Jan 2026 By Joint Account
Scott D. Sheffield TBN Common Stock Award 174% 181,274 285,440 16 Jan 2026 Direct
Jeffrey Lance Bellman TBN Common Stock Award 44.8% 4,761 15,400 16 Jan 2026 Direct
Richard K. Stoneburner TBN Common Stock Award 422.1% 11,904 14,724 16 Jan 2026 By Spouse
Richard K. Stoneburner TBN Common Stock Award 22.2% 11,904 65,648 16 Jan 2026 Direct
Faron James Thibodeaux TBN Common Stock Award 31.8% 35,714 148,168 16 Jan 2026 Direct
David N. Siegel TBN Common Stock Award 85.7% 6,000 13,000 16 Jan 2026 By Son
David N. Siegel TBN Common Stock Award 3.43% 10,000 301,621 16 Jan 2026 Direct
Bryan Sheffield TBN Common Stock Award 4.28% 133,655 3,257,256 16 Jan 2026 See footnote
Ryan Dalton TBN Common Stock Award 89.1% 23,809 50,538 16 Jan 2026 Direct
* marks a reported price that did not pass the local price check.
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