[Form 4] Rocket Lab Corporation Insider Trading Activity

Rhea-AI Filing Summary

Jon A. Olson, a director of Rocket Lab Corporation (RKLB), was granted 3,960 restricted stock units (RSUs) on 08/27/2025. The RSUs were issued under the company’s Amended and Restated Non-Employee Director Compensation Policy and the Rocket Lab Corporation 2021 Stock Option and Incentive Plan. The award has a $0.0 per-share price and will vest in full on the earlier of the company’s next annual meeting or one year from the grant date, subject to continued board service. Following the grant, Mr. Olson beneficially owns 436,235 shares. The Form 4 was signed by an attorney-in-fact on behalf of the reporting person on 08/29/2025.

Positive

• Grant of 3,960 RSUs to the director explicitly recorded, showing transparent reporting of insider compensation
• Beneficial ownership increased to 436,235 shares following the reported transaction
• Vesting terms disclosed: RSUs vest on earlier of next annual meeting or one-year anniversary, subject to continued service

Negative

• None.

Insights

Financial Analyst

TL;DR: Director received a routine equity grant that increases reported beneficial ownership to 436,235 shares.

The filing documents a non-derivative equity grant of 3,960 RSUs to Jon A. Olson under standard director compensation plans. The grant vests within a year or at the next annual meeting, contingent on continued service, and carries no cash exercise price. For investors, this is a routine compensation action that modestly increases insider alignment with shareholders without indicating a change in corporate strategy or financial condition.

Corporate Governance Expert

TL;DR: This appears to be a standard non-employee director award governed by the company’s compensation policy and equity plan.

The explanation clarifies that the RSUs are granted per the company’s director compensation policy and its 2021 equity plan and include a time-based vesting condition tied to board service. The documentation and signature by an attorney-in-fact comply with Form 4 procedural requirements. No additional governance actions or departures are disclosed.

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^*

Olson Jon A

(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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
08/27/2025

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	08/27/2025		A		3,960(1)	A	$0.0	436,235	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 restricted stock units ("RSUs") granted to the Reporting Person under the Rocket Lab Corporation Amended and Restated Non-Employee Director Compensation Policy, and the Rocket Lab Corporation 2021 Stock Option and Incentive Plan. Such RSUs will vest in full on the earlier of (i) the date of the Issuer's next Annual Meeting of Stockholders and (ii) the one-year anniversary of the date of grant, subject to the Reporting Person's continuous service as a member of the Board of Directors through such date.

	By: /s/ Arjun Kampani, as Attorney-in-Fact For: Jon A. Olson	08/29/2025
	** 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 transaction did Jon A. Olson report on Form 4 for RKLB?

The Form 4 reports a grant of 3,960 restricted stock units (RSUs) to Jon A. Olson dated 08/27/2025.

Under which plans were the RSUs granted to the RKLB director?

The RSUs were granted under the Amended and Restated Non-Employee Director Compensation Policy and the Rocket Lab Corporation 2021 Stock Option and Incentive Plan.

When do the RSUs to Jon A. Olson vest?

The RSUs vest in full on the earlier of the issuer’s next Annual Meeting of Stockholders or the one-year anniversary of the grant date, subject to continued board service.

What was Jon A. Olson’s beneficial ownership after the reported transaction?

Following the reported grant, the Form 4 states Mr. Olson beneficially owns 436,235 shares.

Was there any cash paid for the RSUs reported on the Form 4?

The Form 4 indicates a price of $0.0 associated with the RSU grant.