Rocket Lab Corp (RKLB) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-06-02 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Rocket Lab Corp (RKLB) CIK: 0001819994 --- Reporting Owner --- Name: Slusky Alexander R CIK: 0001357262 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-06-02 | Code: S (Open market sale) Shares: -40,000 | Price: $123.60 Total Value: $4,944,000.00 Shares Owned After: 334,675 | Ownership: I (Indirect) | Nature: By Abalone Cove LLLP Footnotes: [F1] These shares are held by Abalone Cove LLLP, a limited liability limited partnership, of which the Reporting Person is the sole general partner and of which the Reporting Person and his spouse are the sole limited partners. --- Holdings --- [Holding #1] Security: Common Stock Ownership: D (Direct) --- Footnotes (Complete Index) --- F1: These shares are held by Abalone Cove LLLP, a limited liability limited partnership, of which the Reporting Person is the sole general partner and of which the Reporting Person and his spouse are the sole limited partners. --- Signature --- /s/ By: /s/ Arjun Kampani as Attorney-in-Fact For: Alexander R. Slusky (2026-06-05)