[Form 4] Rocket Lab Corp Insider Trading Activity

Rhea-AI Filing Summary

Rocket Lab Corp (RKLB) Chief Financial Officer Adam Spice reported stock sales in a Form 4 filing. On 11/22/2025, he sold 15,633 shares of common stock in a sell-to-cover transaction at a weighted average price of $40.0247 to satisfy tax withholding from vested restricted stock units. On 11/24/2025, he sold an additional 46,737 shares at a weighted average price of $40.8576 and 257 shares at a weighted average price of $41.3495, also reported as sales.

After these transactions, Spice beneficially owned 1,995,373 Rocket Lab common shares, which includes 111 shares acquired under the company’s 2021 Employee Stock Purchase Plan in transactions exempt under Rule 16b-3. The reported sale prices reflect weighted averages for multiple trades within specified price ranges.

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).

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^*

Spice Adam C.

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
11/22/2025

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	11/22/2025		S		15,633(1)	D	$40.0247(2)	2,042,367(3)	D
Common Stock	11/24/2025		S		46,737(1)	D	$40.8576(4)	1,995,630(3)	D
Common Stock	11/24/2025		S		257(1)	D	$41.3495(5)	1,995,373(3)	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 Common Shares pursuant to a "sell-to-cover" transaction 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.

2. The price reported in column 4 is a weighted average price of the aggregate number of shares. These shares were sold in multiple transactions in bulk at prices ranging from $39.3400 to $40.3300 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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. Includes 111 shares acquired under the Rocket Lab Corporation 2021 Employee Stock Purchase Plan in transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c).

4. The price reported in column 4 is a weighted average price of the aggregate number of shares. These shares were sold in multiple transactions in bulk at prices ranging from $40.3400 to $41.3300 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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 of the aggregate number of shares. These shares were sold in multiple transactions in bulk at prices ranging from $41.3400 to $41.4200 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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: Adam Spice	11/25/2025
	** 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 did Rocket Lab (RKLB) disclose in this Form 4 filing?

The filing reports that Chief Financial Officer Adam Spice sold Rocket Lab common stock in several transactions on 11/22/2025 and 11/24/2025, mainly as part of a sell-to-cover arrangement related to vesting restricted stock units.

How many Rocket Lab (RKLB) shares did the CFO sell and at what prices?

Adam Spice sold 15,633 shares on 11/22/2025 at a weighted average price of $40.0247, then 46,737 shares and 257 shares on 11/24/2025 at weighted average prices of $40.8576 and $41.3495, respectively.

Why were some Rocket Lab (RKLB) shares sold by the CFO?

The filing explains that 15,633 shares were sold in a sell-to-cover transaction to satisfy applicable tax withholding obligations arising from the vesting and settlement of restricted stock units previously granted to Adam Spice.

How many Rocket Lab (RKLB) shares does the CFO own after these transactions?

Following the reported transactions, Adam Spice beneficially owned 1,995,373 shares of Rocket Lab common stock, including 111 shares acquired under the Rocket Lab Corporation 2021 Employee Stock Purchase Plan.

What do the weighted average prices in the Rocket Lab (RKLB) Form 4 mean?

The prices reported, such as $40.0247, $40.8576, and $41.3495, are weighted averages of multiple trades executed in bulk within specified price ranges. The reporting person states they can provide full details of each individual trade upon request.

Were any derivative securities reported in this Rocket Lab (RKLB) Form 4?

The section for derivative securities was included but did not list any acquired or disposed derivative securities. The detailed activity disclosed relates to Rocket Lab common stock transactions.