RKLB insider plans Rule 144 share sale

A shareholder of RKLB, Merline A. Saintil, has filed a Rule 144 notice to sell 12,500 shares of RKLB common stock.

Rhea-AI Filing Summary

A shareholder of RKLB, Merline A. Saintil, has filed a Rule 144 notice to sell 12,500 shares of RKLB common stock. The planned sale is to be executed through Morgan Stanley Smith Barney LLC on NASDAQ, with an aggregate market value of $1,082,250 for these shares and 534,156,333 common shares outstanding overall. The 12,500 shares were acquired from the issuer on August 22, 2023 as restricted stock units.

Over the prior three months, the same shareholder reported several sales of RKLB common stock, including multiple Rule 10b5-1 plan transactions in December 2025. These past sales ranged from 5,000 to 15,000 shares per transaction, with disclosed gross proceeds for each sale. The filing also includes a representation that the seller is not aware of any undisclosed material adverse information about the issuer.

FAQ

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

How many RKLB shares are covered by this Rule 144 notice?

The Rule 144 notice covers the planned sale of 12,500 shares of RKLB common stock, to be sold through Morgan Stanley Smith Barney LLC on NASDAQ.

What is the reported market value of the RKLB shares to be sold?

The notice reports an aggregate market value of $1,082,250.00 for the 12,500 RKLB common shares covered by this planned Rule 144 sale.

When did the seller acquire the RKLB shares being sold under Rule 144?

The 12,500 RKLB common shares were acquired on 08/22/2023 as restricted stock units from the issuer, with the same date shown as the date of payment.

How many RKLB shares were outstanding according to this notice?

The filing states that there were 534,156,333 shares of RKLB common stock outstanding at the time referenced in the Rule 144 notice.

What RKLB share sales has Merline A. Saintil reported in the past 3 months?

The notice lists several RKLB common stock sales in the prior three months, including 5,000-share and 15,000-share transactions in December 2025, with each transaction’s gross proceeds separately disclosed.

Is the RKLB Rule 144 sale associated with a Rule 10b5-1 trading plan?

The section on past 3-month activity identifies certain transactions as 10b5-1 sales for Merline A. Saintil, and the signature section references the option to rely on a written Rule 10b5-1 trading plan.

What representation does the RKLB shareholder make in this Rule 144 filing?

By signing the notice, the shareholder represents that they do not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed.

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

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Accepted by SEC EDGAR 01/14/2026 - 04:28 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001699497
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Rocket Lab Corporation
SEC File Number	001-39560
Address of Issuer	3881 McGowen Street Long Beach CALIFORNIA 90808
Phone	7144655737
Name of Person for Whose Account the Securities are To Be Sold	MERLINE A SAINTIL
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	12500	1082250.00	534156333	01/14/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/22/2023	Restricted Stock Units	Issuer			12500	08/22/2023	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for MERLINE A SAINTIL 3881 McGowen Street Long Beach CA 90808	Common	12/19/2025	5000	325000.00
10b5-1 Sales for MERLINE A SAINTIL 3881 McGowen Street Long Beach CA 90808	Common	12/17/2025	5000	272321.00
MERLINE A SAINTIL 3881 McGowen Street Long Beach CA 90808	Common	12/12/2025	15000	975000.00
MERLINE A SAINTIL 3881 McGowen Street Long Beach CA 90808	Common	12/04/2025	10000	480000.00

144: Remarks and Signature

Remarks
Date of Notice	01/14/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/17/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Merline Saintil
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)