SCHEDULE 13D/A

Amplify Energy Corp

Common Stock, $0.01 par value per share · CUSIP: 03212B103

Event date: 2025-08-14

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Stoney Lonesome HF LPReported CIK 0002014854

  Shares: 3,504,347.00 · Class: 8.7%

• COGHILL CAPITAL MANAGEMENT LLCReported CIK 0001162675

  Shares: 3,504,347.00 · Class: 8.7%

• Drake Helix Holdings, LLCReported CIK 0002077865

  Shares: 83,000.00 · Class: 0.2%

• CDC Financial, Inc.Reported CIK 0002077836

  Shares: 3,587,347.00 · Class: 8.9%

• COGHILL CLINT DReported CIK 0001235155

  Shares: 3,589,757.00 · Class: 8.9%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.