SCHEDULE 13G/A

First Advantage Corp

Common stock, $0.001 par value per share · CUSIP: 31846B108

Event date: 2026-09-30

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

• SLP Fastball Aggregator, L.P.

  Shares: 73,028,998.00 · Class: 42.5%

• SLP V Aggregator GP, L.L.C.

  Shares: 73,028,998.00 · Class: 42.5%

• Silver Lake Technology Associates V, L.P.

  Shares: 73,251,009.00 · Class: 42.6%

• SLTA V (GP), L.L.C.

  Shares: 73,251,009.00 · Class: 42.6%

• Silver Lake Group, L.L.C.

  Shares: 73,542,678.00 · Class: 42.8%

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