SCHEDULE 13D/A

ALTUS POWER INC

Class A Common Stock, $0.0001 par value · CUSIP: 02217A102

Event date: 2025-04-16

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

• GSO Altus Holdings LPReported CIK 0001896588

  Shares: 0 · Class: 0%

• GSO Altus Holdings Associates LLCReported CIK 0001896569

  Shares: 0 · Class: 0%

• GSO Holdings I L.L.C.

  Shares: 0 · Class: 0%

• Blackstone Holdings II L.P.

  Shares: 0 · Class: 0%

• Blackstone Holdings I/II GP L.L.C.

  Shares: 0 · Class: 0%

• Blackstone Inc.

  Shares: 0 · Class: 0%

• Blackstone Group Management L.L.C.

  Shares: 0 · Class: 0%

• Stephen A. Schwarzman

  Shares: 0 · Class: 0%

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