SEC FORM 4

SEC FORM 4 SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Beck Peter

(Last)

(First)

(Middle)

3881 MCGOWEN STREET

(Street)

LONG BEACH

90808

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
Rocket Lab Corp [ RKLB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	CEO

3. Date of Earliest Transaction (Month/Day/Year)
12/15/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	12/15/2025		S		317,989⁽¹⁾	D	$55.6411⁽²⁾	2,182,011	I	by Trust⁽³⁾
Common Stock	12/15/2025		S		537,294⁽¹⁾	D	$56.6163⁽⁴⁾	1,644,717	I	by Trust⁽³⁾
Common Stock	12/15/2025		S		373,108⁽¹⁾	D	$57.6255⁽⁵⁾	1,271,609	I	by Trust⁽³⁾
Common Stock	12/15/2025		S		129,550⁽¹⁾	D	$58.3904⁽⁶⁾	1,142,059	I	by Trust⁽³⁾
Common Stock	12/15/2025		S		34,302⁽¹⁾	D	$59.7217⁽⁷⁾	1,107,757	I	by Trust⁽³⁾
Common Stock	12/15/2025		S		50,483⁽¹⁾	D	$60.4885⁽⁸⁾	1,057,274	I	by Trust⁽³⁾
Common Stock	12/15/2025		S		19,519⁽¹⁾	D	$61.4917⁽⁹⁾	1,037,755	I	by Trust⁽³⁾
Common Stock	12/15/2025		S		46,952⁽¹⁾	D	$62.7733⁽¹⁰⁾	990,803	I	by Trust⁽³⁾
Common Stock	12/15/2025		S		43,052⁽¹⁾	D	$63.4783⁽¹¹⁾	947,751	I	by Trust⁽³⁾
Common Stock	12/15/2025		S		8,005⁽¹⁾	D	$64.3144⁽¹²⁾	939,746	I	by Trust⁽³⁾
Common Stock	12/16/2025		S		190,345⁽¹⁾	D	$53.2081⁽¹³⁾	749,401	I	by Trust⁽³⁾
Common Stock	12/16/2025		S		222,349⁽¹⁾	D	$54.3052⁽¹⁴⁾	527,052	I	by Trust⁽³⁾
Common Stock	12/16/2025		S		335,510⁽¹⁾	D	$55.1409⁽¹⁵⁾	191,542	I	by Trust⁽³⁾
Common Stock	12/16/2025		S		191,542⁽¹⁾	D	$56.0044⁽¹⁶⁾	0	I	by Trust⁽³⁾
Common Stock								902,942	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Represents the sale of shares which occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Equatorial Trust (the "Trust") on June 13, 2025.

2. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $55.1100 to $56.1050. 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.

3. These shares are held directly by the Trust, a family trust settled by Peter Beck and Kerryn Beck. Peek Street Equatorial Trustee Limited (the "Trustee") is the trustee of the Trust and each of Peter Beck, Kerryn Beck and Warren Butler serve as a director of the Trustee with shared voting and investment control of the shares and, as a result, the Trustee and each such individual is deemed to be an indirect beneficial owner of these shares. Each Reporting Person disclaims beneficial ownership of these shares, except to the extent, if any, of his, her or its pecuniary interest therein, and the filing of this Form 4 is not an admission that any Reporting Person is the beneficial owner of these shares.

4. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $56.1100 to $57.1050. 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.

5. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $57.1100 to $58.1050. 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.

6. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $58.1100 to $59.1000. 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.

7. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $59.1100 to $60.1000. 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.

8. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $60.1100 to $61.1050. 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.

9. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $61.1100 to $62.1000. 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.

10. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $62.1100 to $63.1000. 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.

11. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $63.1100 to $64.1050. 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.

12. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $64.1100 to $64.5250. 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.

13. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $52.6800 to $53.6700. 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.

14. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $53.6800 to $54.6750. 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.

15. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $54.6800 to $55.6750. 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.

16. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $55.6800 to $56.5900. 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.

	By: /s/Arjun Kampani, as Attorney-in-Fact For: Peter Beck	12/16/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

CEO Beck Peter sold $141,105,496 worth of shares (2,500,000 units at $56.44) (SEC Form 4)