SCHEDULE 13G/A

HAYMAKER ACQUISITION CORP IV

Class A Ordinary Shares, par value $0.0001 per share (the "Ordinary Shares") · CUSIP: G4375F108

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

• First Trust Merger Arbitrage Fund

  Shares: 1,374,319.00 · Class: 5.87%

• First Trust Capital Management L.P.

  Shares: 1,477,308.00 · Class: 6.31%

• First Trust Capital Solutions L.P.

  Shares: 1,477,308.00 · Class: 6.31%

• FTCS Sub GP LLC

  Shares: 1,477,308.00 · Class: 6.31%

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