SCHEDULE 13G/A

D. Boral ARC Acquisition I Corp.

Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant · CUSIP: 000000000

Event date: 2025-09-30

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: 2,134,886 · Class: 7.31%

• Sculptor Capital II LP

  Shares: 2,134,886 · Class: 7.31%

• Sculptor Capital Holding Corp

  Shares: 2,134,886 · Class: 7.31%

• Sculptor Capital Holding II LLC

  Shares: 2,134,886 · Class: 7.31%

• Sculptor Capital Management, Inc.

  Shares: 2,134,886 · Class: 7.31%

• Sculptor Master Fund, Ltd.

  Shares: 2,134,886 · Class: 7.31%

• Sculptor Special Funding, LP

  Shares: 2,134,886 · Class: 7.31%

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