RKLB Form 144: 23,804 Restricted Shares Proposed for Sale

RKLB notice: 23,804 shares of Common Stock are identified for sale pursuant to Rule 144 as restricted stock units dated 05/22/2026.

Rhea-AI Filing Summary

RKLB notice: 23,804 shares of Common Stock are identified for sale pursuant to Rule 144 as restricted stock units dated 05/22/2026.

The filing lists prior sales by Arjun Kampani during March–May 2026 (examples: 60,900 shares on 05/27/2026 for $8,793,783.39; 28,668 shares on 05/26/2026 for $4,087,297.10). The form reports Morgan Stanley Smith Barney LLC as the broker.

Insights

Securities Counsel

Rule 144 notice for a planned resale of restricted shares; prior 10b5-1 sales are disclosed.

The filing identifies 23,804 shares tied to Restricted Stock Units dated 05/22/2026 and lists prior sales by Arjun Kampani in March–May 2026. It names Morgan Stanley Smith Barney LLC as the executing broker.

Timing and final sale mechanics are not specified here; subsequent reports or broker confirmations will show whether these shares are actually sold. Cash‑flow treatment is not stated in the excerpt.

Key Figures

Shares proposed for resale: 23,804 shares Recent sale example: 60,900 shares Recent sale example: 28,668 shares +2 more

5 metrics

Shares proposed for resale 23,804 shares Restricted Stock Units dated 05/22/2026

Recent sale example 60,900 shares Sold on 05/27/2026 for $8,793,783.39 (Arjun Kampani)

Recent sale example 28,668 shares Sold on 05/26/2026 for $4,087,297.10 (Arjun Kampani)

Recent sale example 23,711 shares Sold on 03/04/2026 for $1,705,905.82 (10b5-1 sales)

Recent sale example 28,761 shares Sold on 03/01/2026 for $2,001,475.11 (Arjun Kampani)

Key Terms

Restricted Stock Units, Form 144, 10b5-1

3 terms

Restricted Stock Units financial

"Restricted Stock Units | Issuer | 23804 | 05/22/2026"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Form 144 regulatory

"Filer Information | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

10b5-1 regulatory

"10b5-1 Sales for ARJUN KAMPANI | Common | 03/04/2026"

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

FAQ

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

What does RKLB's Form 144 disclose?

It discloses a proposed resale of 23,804 shares of Common Stock tied to Restricted Stock Units dated 05/22/2026. The form also lists prior sales by Arjun Kampani in March–May 2026 and names Morgan Stanley Smith Barney LLC as broker.

Who is the selling party named in the RKLB filing?

The filing identifies Arjun Kampani as the individual with prior sales reported in March–May 2026. The broker shown is Morgan Stanley Smith Barney LLC, which is handling the planned resale activity per the notice.

How many shares were sold by the insider in recent transactions?

Examples shown include 60,900 shares sold on 05/27/2026 for $8,793,783.39 and 28,668 shares sold on 05/26/2026 for $4,087,297.10. These are prior sales disclosed in the form.

Does the Form 144 confirm completion of the proposed sale for RKLB?

No: Form 144 is a notice of a proposed resale and does not itself confirm completion. The filing lists the 23,804 shares proposed for sale; execution and settlement details would appear in subsequent transaction reports or broker records.

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

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Accepted by SEC EDGAR 05/28/2026 - 04:37 PM EDT 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	0001671507
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	ARJUN KAMPANI
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	Officer

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	23804	3576074.92	578750990	05/28/2026	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	05/22/2026	Restricted Stock Units	Issuer			23804	05/22/2026	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
ARJUN KAMPANI 3881 McGowen Street Long Beach CA 90808	Common	05/27/2026	60900	8793783.39
ARJUN KAMPANI 3881 McGowen Street Long Beach CA 90808	Common	05/26/2026	28668	4087297.10
10b5-1 Sales for ARJUN KAMPANI 3881 McGowen Street Long Beach CA 90808	Common	03/04/2026	23711	1705905.82
ARJUN KAMPANI 3881 McGowen Street Long Beach CA 90808	Common	03/01/2026	28761	2001475.11

144: Remarks and Signature

Remarks
Date of Notice	05/28/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/19/2025
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/ Arjun Kampani
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)