Rocket Lab director sells 18,126 shares

Rocket Lab Corp director Merline Saintil reported an open-market sale of common stock.

Rhea-AI Filing Summary

Rocket Lab Corp director Merline Saintil reported an open-market sale of common stock. On the reported date, she sold 18,126 shares at a weighted-average price of $75.0398 per share in multiple transactions within a narrow price range.

After this sale, Saintil directly holds 261,903 Rocket Lab common shares. The filing notes that the reported price reflects a weighted average and that detailed trade prices within the $75.0000–$75.0950 range are available upon request.

Insider Trade Summary

Net Seller: 18,126 shares

Net Sell 1 txn

Insider Saintil Merline

Role Director

Sold 18,126 shs ($1.36M)

Type	Security	Shares	Price	Value
Sale	Common Stock	18,126	$75.0398	$1.36M

Holdings After Transaction: Common Stock — 261,903 shares (Direct)

Footnotes (1)

1. F1. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $75.0000 to $75.0950. 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.

FAQ

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

What insider transaction did Rocket Lab (RKLB) director Merline Saintil report?

Merline Saintil reported selling 18,126 shares of Rocket Lab common stock in an open-market transaction. The sale was executed at a weighted-average price of $75.0398 per share, with individual trades occurring between $75.0000 and $75.0950 according to the Form 4 disclosure.

At what price did Rocket Lab (RKLB) shares sell in Merline Saintil’s Form 4 filing?

The reported sale used a weighted-average price of $75.0398 per Rocket Lab share. The shares were sold in multiple trades with individual prices ranging from $75.0000 to $75.0950, and more granular price information is available from the company or the SEC staff upon request.

How many Rocket Lab (RKLB) shares does Merline Saintil hold after the reported sale?

Following the reported transaction, Merline Saintil directly holds 261,903 shares of Rocket Lab common stock. This post-transaction balance reflects the open-market sale of 18,126 shares disclosed in the Form 4, as shown in the ownership totals provided in the filing.

Was Merline Saintil’s Rocket Lab (RKLB) stock transaction a buy or a sell?

The Form 4 shows that Merline Saintil executed a sale of Rocket Lab common stock. The transaction is coded as “S” for sale and described as an open-market sale, with 18,126 shares sold at a weighted-average price reported in the document.

How many Rocket Lab (RKLB) shares did Merline Saintil sell in her latest Form 4?

Merline Saintil sold 18,126 Rocket Lab common shares in the reported transaction. The filing characterizes this as an open-market sale and specifies a weighted-average sale price of $75.0398 per share across multiple executions within a narrow price range.

What does the weighted-average price mean in Merline Saintil’s Rocket Lab (RKLB) Form 4?

The weighted-average price of $75.0398 reflects the average price of all Rocket Lab shares sold in the transaction. Individual trades occurred between $75.0000 and $75.0950, and detailed breakdowns by exact price level are available from the company or SEC staff if requested.

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

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Accepted by SEC EDGAR 03/09/2026 - 08:06 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^*

Saintil Merline

(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)
03/06/2026

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	03/06/2026		S		18,126	D	$75.0398(1)	261,903	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 $75.0000 to $75.0950. 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: Merline Saintil	03/09/2026
	** 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.