Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
Bryan Sheffield - 27 Jul 2025 SCHEDULE 13D/A Report for Tamboran Resources Corporation Common Stock, par value $0.001 per share (TBN)
- Filing manager
- Bryan Sheffield
- Reporting owner
- Bryan Sheffield
- Beneficially owned shares
- 3,123,601 shares
- Large-stake signal
-
Ownership
18%Beneficial ownership of this reported class.
Shares
3,123,601 sharesShares beneficially owned as disclosed.
Event date
27 Jul 2025Date tied to the ownership event or amendment.
Accepted by SEC
29 Jul 2025EDGAR acceptance date.
How to read this large-stake filing
- Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
- Compare this filing with the holder history and issuer page before treating the percentage as a current position.
- Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
- Class ownership
- 18%
- Symbol
- TBN
- Shares outstanding
- 17,747,733 shares
- SEC form
- SCHEDULE 13D/A
- Accepted by SEC
- 29 Jul 2025, 06:22:07 UTC
- Event date
- 27 Jul 2025
- Prior SEC filing
- 23 Jul 2025
- Next SEC filing
- 17 Nov 2025
- Source filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Subject security
Names, identifiers, and filing context for this profile.
2 source fields
Source evidence
Original filing metadata and source links for verification.
6 source fields
Key filing fact
Bryan Sheffield disclosed 18% ownership in Tamboran Resources Corporation Common Stock, par value $0.001 per share (TBN) on 27 Jul 2025.
Key facts
- Bryan Sheffield filed SCHEDULE 13D/A for Tamboran Resources Corporation Common Stock, par value $0.001 per share (TBN).
- Disclosed ownership: 18%.
- Date of event: 27 Jul 2025.
Change
- Previous schedule filing date: 23 Jul 2025.
- Current filing was accepted on 29 Jul 2025, 06:22.
Research use
- This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
- Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.
Evidence
Backed by Schedule 13D/13G
View source filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Disclosed reporting parties (6)
Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares owned | Sole voting power | Shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Bryan Sheffield | 18% | 3,123,601 | 0 | 3,123,601 | /s/ Bryan Sheffield | Bryan Sheffield | 0001606914 |
| Sheffield Holdings, LP | 13% | 2,247,404 | 0 | 2,247,404 | /s/ Bryan Sheffield | Bryan Sheffield / Manager | 0002027828 |
| Spraberry Interests, LLC | 13% | 2,247,404 | 0 | 2,247,404 | /s/ Bryan Sheffield | Bryan Sheffield / Manager | 0002027822 |
| Daly Waters Energy, LP | 4.9% | 876,197 | 0 | 876,197 | /s/ Bryan Sheffield | Bryan Sheffield / Managing Member | 0002027837 |
| Formentera Australia Fund I GP, LP | 4.9% | 876,197 | 0 | 876,197 | /s/ Bryan Sheffield | Bryan Sheffield / Managing Member | 0002027922 |
| Formentera Investments LLC | 4.9% | 876,197 | 0 | 876,197 | /s/ Bryan Sheffield | Bryan Sheffield / Managing Member | 0002027820 |
CIK / CUSIP context first