Rocket Lab (RKLB) CEO details Rule 10b5-1 trust share sales and holdings

Rhea-AI Filing Summary

Rocket Lab Corp reported insider stock sales by CEO and director Peter Beck, executed indirectly through the Equatorial Trust on December 15 and 16, 2025. The sales occurred automatically under a Rule 10b5-1 trading plan adopted by the trust on June 13, 2025.

The trust sold multiple blocks of Rocket Lab common stock, including 317,989 shares at a weighted-average price of $55.6411 and 537,294 shares at $56.6163, with additional sales at weighted-average prices up to $64.3144. After these transactions, the trust’s indirect holding was reported as 0 shares, while 902,942 Rocket Lab shares were reported as held directly.

Insights

Insider transactions analyst

Rocket Lab CEO Peter Beck disclosed automatic share sales via a family trust under a Rule 10b5-1 trading plan.

The disclosure shows that Rocket Lab CEO and director Peter Beck had Rocket Lab common stock sold indirectly through the Equatorial Trust on December 15–16, 2025. Each transaction is coded as an open-market sale (code S) and is described as occurring automatically under a Rule 10b5-1 trading plan adopted by the trust on June 13, 2025, indicating the trades were pre-arranged rather than discretionary at the time of sale.

The filing details several sizable blocks, such as 317,989 shares at a weighted-average price of $55.6411 and 537,294 shares at $56.6163, along with other sales at weighted-average prices up to $64.3144. Following the final sale, the trust’s indirect position is reported as 0 shares, while 902,942 Rocket Lab shares are listed as beneficially owned directly. The explanation notes that the Equatorial Trust is a family trust settled by Peter and Kerryn Beck, with shared voting and investment control, and that each reporting person disclaims beneficial ownership except to the extent of any pecuniary interest.

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

X

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 CA 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)
			Code	V	Amount	(A) or (D)	Price
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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

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.

FAQ

What insider stock transactions did Rocket Lab (RKLB) report for Peter Beck in this filing?

The filing reports that Peter Beck, Rocket Lab Corp’s CEO and director, had multiple blocks of Rocket Lab common stock sold on December 15 and 16, 2025. The sales were executed indirectly through the Equatorial Trust and are coded as open-market sales (transaction code S) in the table of non-derivative securities.

Were Peter Beck’s Rocket Lab (RKLB) share sales made under a Rule 10b5-1 plan?

Yes. The explanation states that the reported share sales "occurred automatically pursuant to a Rule 10b5-1 trading plan" adopted by the Equatorial Trust on June 13, 2025. This indicates the trades were pre-arranged under that written plan.

At what prices were the Rocket Lab (RKLB) shares sold in this insider transaction report?

The table shows weighted-average sale prices for each block, including $55.6411 for 317,989 shares and $56.6163 for 537,294 shares on December 15, 2025. Additional blocks were sold at weighted-average prices up to $64.3144, with footnotes explaining that each weighted-average covers multiple trades within stated price ranges.

How many Rocket Lab (RKLB) shares does Peter Beck own after these reported sales?

After the reported transactions, the table shows 902,942 shares of Rocket Lab common stock listed as beneficially owned with direct ownership (D). The final transaction row for the Equatorial Trust reports that its indirect holding was reduced to 0 shares following the last sale.

What is the Equatorial Trust mentioned in the Rocket Lab (RKLB) insider filing?

The explanation describes the Equatorial Trust as a family trust settled by Peter Beck and Kerryn Beck. Peek Street Equatorial Trustee Limited is the trustee, and Peter Beck, Kerryn Beck, and Warren Butler serve as directors of the trustee with shared voting and investment control. Each reporting person is deemed an indirect beneficial owner of the shares held by the trust, but they disclaim beneficial ownership except to the extent of any pecuniary interest.

Does this Rocket Lab (RKLB) filing report any derivative securities for Peter Beck?

The section for derivative securities is included but does not list any specific derivative transactions or positions. The detailed activity and holdings disclosed in this report relate to non-derivative common stock.