Stoney Lonesome HF LP - 16 Mar 2026 SCHEDULE 13D/A Report for Amplify Energy Corp. Common Stock, $0.01 par value per share (AMPY)

Quoteable Key Fact

"Stoney Lonesome HF LP disclosed 6.3% ownership in Amplify Energy Corp. Common Stock, $0.01 par value per share (AMPY) on 16 Mar 2026."

Quick Takeaways

Stoney Lonesome HF LP filed SCHEDULE 13D/A for Amplify Energy Corp. Common Stock, $0.01 par value per share (AMPY).
Disclosed ownership: 6.3%.
Date of event: 16 Mar 2026.

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.

Backed by Schedule 13D/13G

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

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Stoney Lonesome HF LP	6.1%	2,504,347	0	2,504,347	/s/ Clint D. Coghill	Clint D. Coghill, President and sole shareholder of the managing member of its general partner	0002014854
COGHILL CAPITAL MANAGEMENT LLC	6.1%	2,504,347	0	2,504,347	/s/ Clint D. Coghill	Clint D. Coghill, President and sole shareholder of its managing member	0001162675
Drake Helix Holdings, LLC	0.2%	83,000	0	83,000	/s/ Clint D. Coghill	Clint D. Coghill, President and sole shareholder of its managing member	0002077865
CDC Financial, Inc.	6.3%	2,587,347	0	2,587,347	/s/ Clint D. Coghill	Clint D. Coghill, President and sole shareholder	0002077836
COGHILL CLINT D	6.3%	2,589,757	2,410	2,587,347	/s/ Clint D. Coghill	Clint D. Coghill	0001235155