SCHEDULE 13D/A

API GROUP CORP COM STK

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

Event date: 2025-12-31

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

• Sir Martin E. FranklinReported CIK 0000940603

  Shares: 55,536,501.00 · Class: 12.7%

• Mariposa Acquisition IV, LLC

  Shares: 6,137,000.00 · Class: 1.4%

• MEF Holdings, LLLPReported CIK 0001725761

  Shares: 24,240,426.00 · Class: 5.6%

• Brimstone Investments LLC

  Shares: 2,711,692.00 · Class: 0.63%

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