Rocket Lab (RKLB) director logs January 2026 stock transactions filing

Rhea-AI Filing Summary

Rocket Lab Corp director Merline Saintil reported two stock transactions. On January 13, 2026, the reporting person disposed of 96,000 shares of common stock at $86.58 per share by contributing the shares to an exchange fund in return for shares of that fund. On January 14, 2026, the reporting person sold 12,500 shares of common stock at $90 per share, in a sale that occurred automatically under a Rule 10b5-1 trading plan adopted on September 17, 2025. Following these transactions, the reporting person directly owned 280,029 shares of Rocket Lab common stock.

Insider Trade Summary

Net Seller: 108,500 shares ($9,436,680)

Net Sell 2 txns

Insider Saintil Merline

Role Director

Sold 108,500 shs ($9.44M)

Type	Security	Shares	Price	Value
Sale	Common Stock	12,500	$90.00	$1.13M
Sale	Common Stock	96,000	$86.58	$8.31M

Holdings After Transaction: Common Stock — 280,029 shares (Direct)

Footnotes (1)

1. The Reporting Person contributed shares at $86.58 per share to an exchange fund in exchange for shares of the exchange fund. Represents the sale of shares which occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 17, 2025.

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).

X

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)
01/13/2026

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	01/13/2026		S(1)		96,000	D	$86.58(1)	292,529	D
Common Stock	01/14/2026		S		12,500(2)	D	$90	280,029	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 Reporting Person contributed shares at $86.58 per share to an exchange fund in exchange for shares of the exchange fund.

2. Represents the sale of shares which occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 17, 2025.

	By: /s/ Arjun Kampani as Attorney-in-Fact For: Merline Saintil	01/15/2026
	** 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.

FAQ

What insider activity did Rocket Lab (RKLB) report for Merline Saintil?

Rocket Lab director Merline Saintil reported two dispositions of common stock: a contribution of 96,000 shares to an exchange fund and a sale of 12,500 shares under a trading plan.

How many Rocket Lab (RKLB) shares did the director dispose of on January 13, 2026?

On January 13, 2026, the reporting person disposed of 96,000 Rocket Lab common shares at $86.58 per share by contributing them to an exchange fund in exchange for shares of that fund.

What were the details of the January 14, 2026 Rocket Lab (RKLB) stock sale?

On January 14, 2026, the reporting person sold 12,500 shares of Rocket Lab common stock at a price of $90 per share, in a transaction that occurred automatically under a Rule 10b5-1 trading plan.

Was the Rocket Lab (RKLB) insider sale made under a Rule 10b5-1 plan?

Yes. The Form 4 states that the 12,500-share sale on January 14, 2026 "occurred automatically pursuant to a Rule 10b5-1 trading plan" adopted by the reporting person on September 17, 2025.

How many Rocket Lab (RKLB) shares does Merline Saintil own after these transactions?

After the reported transactions, the Form 4 shows that the reporting person directly owned 280,029 shares of Rocket Lab common stock.

What is the reporting persons relationship to Rocket Lab (RKLB)?

The reporting person, Merline Saintil, is listed as a director of Rocket Lab Corp and is not indicated as an officer or 10% owner in this filing.