SCHEDULE 13G

SILVERBOX CORP IV-A

Class A Ordinary Shares · CUSIP: G81354105

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

• SilverBox Sponsor IV LLC

  Shares: 5,455,000.00 · Class: 21.4%

• Boxwood Holdings III LLC

  Shares: 5,455,000.00 · Class: 21.4%

• Stephen K. Kadenacy

  Shares: 5,455,000.00 · Class: 21.4%

• Joseph E. Reece

  Shares: 5,455,000.00 · Class: 21.4%

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