SCHEDULE 13G/A

Churchill Capital Corp IX/Cayman

Class A ordinary shares, par value $0.0001 per share · CUSIP: 000000000

Event date: 2025-06-30

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

• Sculptor Capital LP

  Shares: 500,000 · Class: 1.7%

• Sculptor Capital II LP

  Shares: 500,000 · Class: 1.7%

• Sculptor Capital Holding Corp

  Shares: 500,000 · Class: 1.7%

• Sculptor Capital Holding II LLC

  Shares: 500,000 · Class: 1.7%

• Sculptor Capital Management, Inc.

  Shares: 500,000 · Class: 1.7%

• Sculptor Master Fund, Ltd.

  Shares: 500,000 · Class: 1.7%

• Sculptor Special Funding, LP

  Shares: 500,000 · Class: 1.7%

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