SCHEDULE 13D/A

API GROUP CORP COM STK

Common Stock, par value $0.0001 per share · CUSIP: 00187Y100

Event date: 2025-11-05

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

• Sir Martin E. FranklinReported CIK 0000940603

  Shares: 42,607,205.00 · Class: 10.1%

• Mariposa Acquisition IV, LLC

  Shares: 6,026,479.50 · Class: 1.4%

• MEF Holdings, LLLPReported CIK 0001725761

  Shares: 18,968,790.00 · Class: 4.6%

• Brimstone Investments LLC

  Shares: 543,362.00 · Class: 0.1%

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