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: 2026-05-29 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Rocket Lab Corp (RKLB) CIK: 0001819994 --- Reporting Owner --- Name: Spice Adam C. CIK: 0001509421 Role: Officer (Chief Financial Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-29 | Code: G (Gift) Shares: -62,724 | Price: $0.00 Shares Owned After: 920,325 | Ownership: D (Direct) Footnotes: [F1] On May 29, 2026, the Reporting Person transferred 62,724 shares of the Registrant's common stock to trusts (the "Trusts") of which the Reporting Person is a trustee. [Transaction #2] Security: Common Stock Date: 2026-05-29 | Code: G (Gift) Shares: +62,724 | Price: $0.00 Shares Owned After: 62,724 | Ownership: I (Indirect) | Nature: By Trusts Footnotes: [F1] On May 29, 2026, the Reporting Person transferred 62,724 shares of the Registrant's common stock to trusts (the "Trusts") of which the Reporting Person is a trustee. [F2] Held by the Trusts of which the Reporting Person is a trustee. [Transaction #3] Security: Common Stock Date: 2026-06-01 | Code: G (Gift) Shares: -62,724 | Price: $0.00 Shares Owned After: 0 | Ownership: I (Indirect) | Nature: By Trusts Footnotes: [F2] Held by the Trusts of which the Reporting Person is a trustee. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) --- Footnotes (Complete Index) --- F1: On May 29, 2026, the Reporting Person transferred 62,724 shares of the Registrant's common stock to trusts (the "Trusts") of which the Reporting Person is a trustee. F2: Held by the Trusts of which the Reporting Person is a trustee. --- Signature --- /s/ By: /s/ Arjun Kampani, as Attorney-in-Fact For: Adam Spice (2026-06-02)