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: Klein Frank (Chief Operations Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-03-02	Common Stock	S	3182	$66.8288	Disposed	1166305	Direct
2026-03-02	Common Stock	S	2244	$67.9207	Disposed	1164061	Direct
2026-03-02	Common Stock	S	8173	$69.1034	Disposed	1155888	Direct
2026-03-02	Common Stock	S	25971	$70.0313	Disposed	1129917	Direct
2026-03-02	Common Stock	S	4912	$70.617	Disposed	1125005	Direct
2026-03-04	Common Stock	S	2000	$70.255	Disposed	1123005	Direct
2026-03-04	Common Stock	S	10296	$71.3175	Disposed	1112709	Direct
2026-03-04	Common Stock	S	17675	$72.0239	Disposed	1095034	Direct
2026-03-04	Common Stock	S	5597	$73.0817	Disposed	1089437	Direct
2026-03-04	Common Stock	S	1200	$73.8208	Disposed	1088237	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 $69.6400 to $70.6200. 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 $70.6600 to $71.6500. 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 $71.6600 to $72.6500. 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 $72.6700 to $73.6400. 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.

F12: The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $73.6800 to $73.9900. 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.