SCHEDULE 13D/A

ROCKET LAB USA INC

Common Stock · CUSIP: 773122106

Event date: 2024-11-08

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

• Bessemer Venture Partners VIII Institutional L.P.Reported CIK 0001508902

  Shares: 4,460,065 · Class: 0.9%

• Bessemer Venture Partners VIII L.P.Reported CIK 0001508900

  Shares: 3,708,551 · Class: 0.7%

• Deer VIII & Co. L.P.Reported CIK 0001559306

  Shares: 8,168,616 · Class: 1.6%

• Deer VIII & Co. Ltd.Reported CIK 0001559311

  Shares: 8,168,616 · Class: 1.6%

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