Rocket Lab Corp — Director's Dealing 2026

Mar 4, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Rocket Lab Corp (RKLB)
CIK: 0001819994
Period of Report: 2026-03-02

Reporting Person: Kampani Arjun (SVP & General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-03-02	Common Stock	S	2058	$66.8288	Disposed	448402	Direct
2026-03-02	Common Stock	S	1451	$67.9207	Disposed	446951	Direct
2026-03-02	Common Stock	S	5284	$69.1034	Disposed	441667	Direct
2026-03-02	Common Stock	S	16792	$70.0313	Disposed	424875	Direct
2026-03-02	Common Stock	S	3176	$70.617	Disposed	421699	Direct
2026-03-04	Common Stock	S	2436	$70.5156	Disposed	419263	Direct
2026-03-04	Common Stock	S	11022	$71.6184	Disposed	408241	Direct
2026-03-04	Common Stock	S	7140	$72.314	Disposed	401101	Direct
2026-03-04	Common Stock	S	3013	$73.3561	Disposed	398088	Direct
2026-03-04	Common Stock	S	100	$74.09	Disposed	397988	Direct

Footnotes

F1: Represents the sale of shares pursuant to a "sell-to-cover" transaction pursuant to a Rule 10b5-1 election adopted by the Reporting Person in order to satisfy applicable tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person.

F2: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $66.4700 to $67.4500. The Reporting Person undertakes to provide the Registrant, any securityholder of the Registrant, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $67.5000 to $68.4500. The Reporting Person undertakes to provide the Registrant, any securityholder of the Registrant, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $68.4800 to $69.4600. The Reporting Person undertakes to provide the Registrant, any securityholder of the Registrant, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $69.4700 to $70.4600. The Reporting Person undertakes to provide the Registrant, any securityholder of the Registrant, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $70.4700 to $70.9450. The Reporting Person undertakes to provide the Registrant, any securityholder of the Registrant, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7: Represents the sale of shares which occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 19, 2025.

F8: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $69.9600 to $70.9500. The Reporting Person undertakes to provide the Registrant, any securityholder of the Registrant, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F9: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $70.9700 to $71.9600. The Reporting Person undertakes to provide the Registrant, any securityholder of the Registrant, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F10: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $71.9700 to $72.9300. The Reporting Person undertakes to provide the Registrant, any securityholder of the Registrant, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F11: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $72.9700 to $73.8400. The Reporting Person undertakes to provide the Registrant, any securityholder of the Registrant, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.