SCHEDULE 13G/A

Calumet Inc

Common Stock, par value $0.01 per share · CUSIP: 131428104

Event date: 2024-12-31

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

• Wasserstein Debt Opportunities Management, LP

  Shares: 5,689,984.00 · Class: 6.6%

• WDO Management GP, LLC

  Shares: 5,689,984.00 · Class: 6.6%

• Rajay Bagaria

  Shares: 6,098,084.00 · Class: 7.1%

• Joseph Dutton

  Shares: 5,693,289.00 · Class: 6.6%

• Wasserstein Debt Opportunities Master, LP

  Shares: 4,332,824.00 · Class: 5.0%

• Wasserstein Debt Opportunities GenPar, LLC

  Shares: 4,332,824.00 · Class: 5.0%

• Wasserstein Debt Opportunities Fund, LP

  Shares: 0.00 · Class: 0%

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