Rocket Lab SVP granted 77,189 RSUs

Kampani Arjun reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Kampani Arjun reported acquisition or exercise transactions in this Form 4 filing.

Rocket Lab Corp reported that SVP & General Counsel Arjun Kampani received a grant of 77,189 shares of common stock in the form of restricted stock units under the company’s 2021 Stock Option and Incentive Plan. After this award, he holds 475,177 shares directly.

The RSUs will vest over time: 1/16 vests on March 1, 2028 and 1/16 vests on each March 1, May 22, August 22, and November 22 thereafter, as long as he continues in service through each vesting date.

Insider Trade Summary

Grant/Award: 77,189 shares

Grant/Award 1 txn

Insider Kampani Arjun

Role SVP & General Counsel

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	77,189	$0.00	$0.00

Holdings After Transaction: Common Stock — 475,177 shares (Direct)

Footnotes (1)

1. F1. Represents restricted stock units (RSUs) granted to the Reporting Person under the Rocket Lab Corporation 2021 Stock Option and Incentive Plan. Such RSUs will vest as follows: 1/16 of the RSUs will vest on March 1, 2028 and 1/16 of the RSUs will vest on each March 1st, May 22nd, August 22nd or November 22nd thereafter, in each case subject to the Reporting Person's continuous service through each applicable vesting date.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Rocket Lab (RKLB) disclose for Arjun Kampani?

Rocket Lab disclosed that SVP & General Counsel Arjun Kampani received a grant of 77,189 restricted stock units. These RSUs are a stock-based compensation award under the 2021 Stock Option and Incentive Plan, increasing his directly held common stock to 475,177 shares after the transaction.

How many Rocket Lab (RKLB) shares does Arjun Kampani hold after this Form 4?

After the reported RSU grant, Arjun Kampani holds 475,177 shares of Rocket Lab common stock directly. This figure reflects his position following the award of 77,189 restricted stock units and provides context for the size of the compensation-related acquisition.

What is the vesting schedule for Arjun Kampani’s new Rocket Lab RSUs?

The RSUs vest over multiple years. One-sixteenth vests on March 1, 2028, and one-sixteenth vests on each March 1, May 22, August 22, and November 22 thereafter, provided Kampani remains in continuous service through each applicable vesting date.

Are Arjun Kampani’s Rocket Lab RSUs an open-market purchase or compensation grant?

The RSUs are a compensation grant, not an open-market purchase. They were awarded at no cash cost per share under Rocket Lab’s 2021 Stock Option and Incentive Plan, reflecting stock-based compensation rather than a discretionary market transaction by Kampani.

Does the Form 4 for Rocket Lab (RKLB) involve any stock sales by Arjun Kampani?

The Form 4 shows no stock sales by Arjun Kampani. It reports only an acquisition of 77,189 restricted stock units as a grant or award, increasing his holdings, with no dispositions, exercises, gifts, or tax-withholding transactions included in this filing.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/26/2026 - 07:34 PM Learn about SEC filing dates

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^*

Kampani Arjun

(Last) (First) (Middle)

C/O ROCKET LAB CORPORATION

3881 MCGOWEN STREET

(Street)

LONG BEACH CALIFORNIA 90808

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	SVP & General Counsel

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/24/2026

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

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

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

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	03/24/2026		A		77,189(1)	A	$0	475,177	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 2021 Stock Option and Incentive Plan. Such RSUs will vest as follows: 1/16 of the RSUs will vest on March 1, 2028 and 1/16 of the RSUs will vest on each March 1st, May 22nd, August 22nd or November 22nd thereafter, in each case subject to the Reporting Person's continuous service through each applicable vesting date.

	/s/Arjun Kampani	03/26/2026
	** 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.
* Form 4: SEC 1474 (03-26)