Bryan Sheffield - 11 Feb 2026 SCHEDULE 13D/A Report for Tamboran Resources Corporation Common Stock, par value $0.001 per share (TBN)

Filing Manager
Bryan Sheffield
Reporting Manager
Bryan Sheffield
Security
Tamboran Resources Corporation Common Stock, par value $0.001 per share
Symbol
TBN
Shares outstanding
22,619,833 shares
Disclosed Ownership
3,257,256 shares
Ownership
14%
Form type
SCHEDULE 13D/A
Filing time
13 Feb 2026, 16:30:02 UTC
Date of event
11 Feb 2026
Previous filing
17 Nov 2025
SEC
View on sec.gov

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Quoteable Key Fact

"Bryan Sheffield disclosed 14% ownership in Tamboran Resources Corporation Common Stock, par value $0.001 per share (TBN) on 11 Feb 2026."

Quick Takeaways

  • Bryan Sheffield filed SCHEDULE 13D/A for Tamboran Resources Corporation Common Stock, par value $0.001 per share (TBN).
  • Disclosed ownership: 14%.
  • Date of event: 11 Feb 2026.

What Changed

  • Previous schedule filing date: 17 Nov 2025.
  • Current filing was accepted on 13 Feb 2026, 16:30.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Official SEC Source

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (6)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Bryan Sheffield 14% 3,257,256 133,655 3,123,601 /s/ Bryan Sheffield Bryan Sheffield 0001606914
Sheffield Holdings, LP 9.9% 2,247,404 0 2,247,404 /s/ Bryan Sheffield Bryan Sheffield / Manager 0002027828
Spraberry Interests, LLC 9.9% 2,247,404 0 2,247,404 /s/ Bryan Sheffield Bryan Sheffield / Manager 0002027822
Daly Waters Energy, LP 3.9% 876,197 0 876,197 /s/ Bryan Sheffield Bryan Sheffield / Managing Member 0002027837
Formentera Australia Fund I GP, LP 3.9% 876,197 0 876,197 /s/ Bryan Sheffield Bryan Sheffield / Managing Member 0002027922
Formentera Investments LLC 3.9% 876,197 0 876,197 /s/ Bryan Sheffield Bryan Sheffield / Managing Member 0002027820

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