John A. Weinzierl - 28 Oct 2025 SCHEDULE 13D/A Report for US ENERGY CORP Common Stock, $0.01 par value per share (USEG)

Filing manager: John A. Weinzierl
Reporting owner: Weinzierl John A
Security: US ENERGY CORP Common Stock, $0.01 par value per share
Beneficially owned shares: 9,273,045 shares
Large-stake signal: Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
Ownership
26%
Beneficial ownership of this reported class.
Shares
9,273,045 shares
Shares beneficially owned as disclosed.
Event date
28 Oct 2025
Date tied to the ownership event or amendment.
Accepted by SEC
30 Oct 2025
EDGAR 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: 26%
Symbol: USEG
Shares outstanding: 35,665,558 shares
SEC form: SCHEDULE 13D/A
Accepted by SEC: 30 Oct 2025, 18:14:47 UTC
Event date: 28 Oct 2025
Prior SEC filing: 14 Jan 2025
Next SEC filing: 01 May 2026
Source filing: View source filing

Key filing fact

John A. Weinzierl disclosed 26% ownership in US ENERGY CORP Common Stock, $0.01 par value per share (USEG) on 28 Oct 2025.

Key facts

John A. Weinzierl filed SCHEDULE 13D/A for US ENERGY CORP Common Stock, $0.01 par value per share (USEG).
Disclosed ownership: 26%.
Date of event: 28 Oct 2025.

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.

Backed by Schedule 13D/13G

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

Reporting persons

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
Weinzierl John A	26%	9,273,045	497,826	8,775,219	/s/ John A. Weinzierl	John A. Weinzierl	0001377295
Katla Energy Holdings LLC	16%	5,650,326	0	5,650,326	/s/ John A. Weinzierl	John A. Weinzierl - Managing Member	0001940541
John Alfred Weinzierl 2020 Trust u/a November 10, 2020	8.8%	3,124,893	0	3,124,893	/s/ John A. Weinzierl	John A. Weinzierl - Trustee	0002018711

CIK / CUSIP context first

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