Form 144 shows RKLB vesting and reported sale

RKLB-related Form 144 notice: A broker/issuer record lists proposed sale activity tied to restricted stock vesting and a recent disposition by an individual.

Rhea-AI Filing Summary

RKLB-related Form 144 notice: A broker/issuer record lists proposed sale activity tied to restricted stock vesting and a recent disposition by an individual. The entry shows $4,366,347.18 tied to 03/02/2026 and a vesting of 114,846 shares on 05/22/2026.

Insights

Securities Compliance Attorney

Routine resale notice and vesting disclosure; no new litigation or financial performance details.

The excerpt lists a restricted stock vesting event of 114,846 shares on 05/22/2026 and a reported sale associated with ADAM SPICE on 03/02/2026 showing $4,366,347.18. These items are standard Section 144 disclosure elements.

Timing, method of sale, and the filing’s scope are limited in the excerpt; subsequent filings or broker confirmations would show actual dispositions and any applicable volume limitations.

Key Figures

Restricted stock vesting: 114,846 shares Reported sale proceeds: $4,366,347.18 Reported share line: 62,744 +1 more

4 metrics

Restricted stock vesting 114,846 shares Vesting recorded on <date>05/22/2026</date>

Reported sale proceeds <money>$4,366,347.18</money> Sale attributed to ADAM SPICE on <date>03/02/2026</date>

Reported share line 62,744 Quantity shown alongside ADAM SPICE entry

Form type Form 144 Notice of proposed sale under Section 144

Key Terms

Restricted Stock Vesting, Form 144, Securities To Be Sold

3 terms

Restricted Stock Vesting financial

"Restricted Stock Vesting | Issuer | 114846 | 05/22/2026"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Form 144 regulatory

"CONTENT METADATA: "form_type": "144""

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.

Securities To Be Sold financial

"144: Securities To Be Sold | Common | 05/22/2026"

FAQ

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

What does the Form 144 excerpt for RKLB show about recent sales?

The excerpt shows a reported sale tied to ADAM SPICE on 03/02/2026 with $4,366,347.18. It records the sale amount and the individual associated with the transaction without detailing execution method or purchaser.

How many shares vested under the restricted stock entry shown?

The record lists 114,846 shares vesting as a restricted stock event on 05/22/2026. The line labels this item as Restricted Stock Vesting and associates it with compensation.

Does the excerpt state who receives proceeds from the listed sale?

The excerpt attributes the sale amount to ADAM SPICE and lists a broker/issuer line, but it does not explicitly state who received the proceeds or how proceeds were applied in this excerpt.

Are the listed share counts and dollar amounts definitive of total holdings?

The excerpt provides specific numbers—62,744 in one row and 114,846 shares vesting—but it does not present total outstanding holdings or full ownership context in this excerpt.

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

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Accepted by SEC EDGAR 05/26/2026 - 09:21 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	0001509421
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 Corp
SEC File Number	001-39560
Address of Issuer	3881 MCGOWEN STREET LONG BEACH CALIFORNIA 90808
Phone	714-465-5737
Name of Person for Whose Account the Securities are To Be Sold	Spice Adam C.
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 SERVICES 200 W CIVIC CENTER DR. 4TH FLOOR SANDY UT 84070	62744	8945632.63	578867475	05/26/2026	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 Vesting	Issuer			114846	05/22/2026	Compensation

* 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
ADAM SPICE 3881 MCGOWEN STREET Long Beach CA 90808	Common	03/02/2026	62744	4366347.18

144: Remarks and Signature

Remarks	Sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution.
Date of Notice	05/26/2026
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, as Attorney-in-Fact for Adam Spice
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)