Rocket Lab (RKLB) president sells 3,500 common shares in market

Rhea-AI Filing Summary

Rocket Lab Corp executive Marvin Bradford Clevenger, President of Rocket Lab USA, Inc, sold 3,500 shares of Common Stock in an open-market transaction on May 28, 2026. The weighted-average sale price was $146.6731 per share, across trades ranging from $146.60 to $146.78. After this sale, Clevenger directly holds 473,975 Rocket Lab shares.

Insider Trade Summary

Net Seller: 3,500 shares ($513,356)

Net Sell 1 txn

Insider Clevenger Marvin Bradford

Role President, Rocket Lab USA, Inc

Sold 3,500 shs ($513K)

Type	Security	Shares	Price	Value
Sale	Common Stock	3,500	$146.6731	$513K

Holdings After Transaction: Common Stock — 473,975 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares sold: 3,500 shares Weighted-average sale price: $146.6731 per share Price range of trades: $146.60–$146.78 per share +2 more

5 metrics

Shares sold 3,500 shares Open-market sale on May 28, 2026

Weighted-average sale price $146.6731 per share Common Stock sale on May 28, 2026

Price range of trades $146.60–$146.78 per share Individual executions within reported sale

Shares held after transaction 473,975 shares Direct ownership following sale

Net shares sold 3,500 shares Net buy/sell direction reported as net-sell

Key Terms

weighted-average price, open-market sale, Common Stock, Form 4

4 terms

weighted-average price financial

"The price reported in Column 4 is a weighted-average price."

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

""security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

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^*

Clevenger Marvin Bradford

(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)
	President, Rocket Lab USA, Inc

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/28/2026

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	05/28/2026		S		3,500	D	$146.6731(1)	473,975	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. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $146.6000 to $146.7800. 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: Marvin B. Clevenger	06/01/2026
	** 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)

FAQ

What insider transaction did Rocket Lab (RKLB) report for Marvin Bradford Clevenger?

Rocket Lab reported that executive Marvin Bradford Clevenger sold 3,500 shares of Common Stock. The sale occurred on May 28, 2026, as an open-market transaction at a weighted-average price of $146.6731 per share, leaving him with 473,975 directly held shares.

How many Rocket Lab (RKLB) shares did Marvin Bradford Clevenger sell and at what price?

Marvin Bradford Clevenger sold 3,500 Rocket Lab Common Stock shares. The weighted-average sale price was $146.6731 per share, with individual trades executed between $146.60 and $146.78, as disclosed in the Form 4 footnote to the transaction.

How many Rocket Lab (RKLB) shares does Marvin Bradford Clevenger hold after the reported sale?

After the reported transaction, Marvin Bradford Clevenger directly holds 473,975 Rocket Lab shares. This post-transaction figure reflects his remaining Common Stock position following the open-market sale of 3,500 shares disclosed in the Form 4 filing.

What type of Rocket Lab (RKLB) insider transaction did Marvin Bradford Clevenger execute?

The transaction was an open-market sale of Common Stock. The Form 4 identifies the code as “S” for sale, describing it as a sale in open market or private transaction, with 3,500 shares sold on May 28, 2026 at a weighted-average price.

What does the weighted-average price mean in the Rocket Lab (RKLB) Form 4 for Marvin Bradford Clevenger?

The weighted-average price of $146.6731 reflects multiple trade executions. The footnote explains that the 3,500 shares were sold in several transactions at prices between $146.60 and $146.78, averaged to report a single price figure for the Form 4 disclosure.