Rocket Lab executive granted 27,532 RSUs

Ricupati Agostino reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Ricupati Agostino reported acquisition or exercise transactions in this Form 4 filing.

Rocket Lab Corp executive Agostino Ricupati, VP Corp Controller & CAO, received a grant of 27,532 restricted stock units (RSUs) of common stock as equity compensation. The RSUs were granted at $0.00 per share, so he did not buy shares on the open market.

All 27,532 shares are reported as owned directly after the grant. The RSUs vest over time under the Rocket Lab Corporation 2021 Stock Option and Incentive Plan: 1/16 vests on August 22, 2026, and 1/16 vests on each March 1, May 22, August 22 and November 22 thereafter, as long as he remains in continuous service.

Insights

Equity compensation analyst

Routine time-based RSU grant to a Rocket Lab executive.

The filing shows Agostino Ricupati, VP Corp Controller & CAO, receiving 27,532 RSUs of Rocket Lab common stock at $0.00 per share. This is a compensation-related award, not an open-market purchase or sale.

The RSUs vest gradually: 1/16 on August 22, 2026, then 1/16 on each March 1, May 22, August 22 and November 22 as long as he maintains continuous service. The entire reported position after this grant consists of these 27,532 shares, indicating a straightforward, time-based incentive rather than a complex derivative or trading strategy.

Insider Trade Summary

Grant/Award: 27,532 shares

Grant/Award 1 txn

Insider Ricupati Agostino

Role VP Corp Controller & CAO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	27,532	$0.00	$0.00

Holdings After Transaction: Common Stock — 27,532 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 August 22, 2026 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.

Key Figures

RSUs granted: 27,532 shares Grant price: $0.00 per share Shares after transaction: 27,532 shares +1 more

4 metrics

RSUs granted 27,532 shares Restricted stock units of common stock granted to Agostino Ricupati

Grant price $0.00 per share Price per share for the RSU award

Shares after transaction 27,532 shares Total common shares reported as owned following the grant

Initial vesting date August 22, 2026 1/16 of RSUs vest on this date, subject to continuous service

Key Terms

restricted stock units (RSUs), Rocket Lab Corporation 2021 Stock Option and Incentive Plan, continuous service, vesting date

4 terms

restricted stock units (RSUs) financial

"Represents restricted stock units (RSUs) granted to the Reporting Person under the Rocket Lab Corporation 2021 Stock Option and Incentive Plan."

Restricted stock units (RSUs) are a type of company promise to give employees shares of stock in the future, usually after certain conditions like working for a set time. They are like a gift promised today that you receive later, which can become valuable if the company's stock price goes up. RSUs matter because they are a way companies reward employees and can be a significant part of compensation.

Rocket Lab Corporation 2021 Stock Option and Incentive Plan financial

"Represents restricted stock units (RSUs) granted to the Reporting Person under the Rocket Lab Corporation 2021 Stock Option and Incentive Plan."

continuous service financial

"in each case subject to the Reporting Person's continuous service through each applicable vesting date."

vesting date financial

"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) report for Agostino Ricupati?

Rocket Lab reported a grant of 27,532 restricted stock units (RSUs) of common stock to executive Agostino Ricupati. The award was issued at $0.00 per share as equity compensation, not as an open-market share purchase or sale.

How many Rocket Lab (RKLB) shares does Agostino Ricupati hold after this Form 4?

After the reported grant, Agostino Ricupati is shown holding 27,532 shares tied to restricted stock units. These are reported as directly owned non-derivative common stock following the award, reflecting his entire position visible in this filing.

What is the vesting schedule for Agostino Ricupati’s RSUs at Rocket Lab (RKLB)?

Ricupati’s RSUs vest over time: 1/16 of the 27,532 RSUs vests on August 22, 2026. Another 1/16 vests on each March 1, May 22, August 22 and November 22 thereafter, conditioned on his continuous service with the company.

Are the Rocket Lab (RKLB) RSUs granted to Agostino Ricupati tied to a specific plan?

Yes. The 27,532 restricted stock units granted to Agostino Ricupati are issued under the Rocket Lab Corporation 2021 Stock Option and Incentive Plan, which governs equity-based awards such as RSUs for company executives and other eligible participants.

Did Agostino Ricupati buy or sell Rocket Lab (RKLB) shares in the market?

No market trade is reported. The Form 4 shows a grant of 27,532 restricted stock units at $0.00 per share as compensation. This is classified as a grant or award acquisition, not an open-market purchase or sale transaction.

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

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Accepted by SEC EDGAR 06/05/2026 - 06:09 PM EDT 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^*

Ricupati Agostino

(Last) (First) (Middle)

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)
	VP Corp Controller & CAO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/03/2026

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	06/03/2026		A		27,532(1)	A	$0.0	27,532	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 August 22, 2026 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.

	By: /s/ Arjun Kampani, as Attorney-in-Fact For: Agostino Ricupati	06/05/2026
	** 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)