[144] Rocket Lab Corp SEC Filing

Rhea-AI Filing Summary

Rocket Lab Corp (RKLB) filed a Form 144 reporting a proposed sale of 45,535 common shares through Morgan Stanley Smith Barney on 09/16/2025 on the NASDAQ, with an aggregate market value of $2,229,648.60. The securities were acquired on 09/15/2025 via restricted stock vesting from the issuer and were paid as compensation. The filer reports no other sales in the past three months and affirms they have no undisclosed material adverse information about the issuer.

Positive

• Clear disclosure of the number of shares (45,535) and aggregate value ($2,229,648.60) to be sold
• Securities were acquired via restricted stock vesting, with payment characterized as compensation, which clarifies the acquisition source
• Broker-dealer identified (Morgan Stanley Smith Barney), indicating an established execution channel
• Filer affirms no undisclosed material adverse information, meeting Rule 144 attestation requirements

Negative

• None.

Insights

Securities Analyst

TL;DR: Small planned insider sale from vested restricted stock; proceeds are modest relative to market capitalization.

The filing discloses a single proposed sale of 45,535 shares valued at $2.23 million to be executed through Morgan Stanley Smith Barney. The shares were acquired one day earlier via restricted stock vesting and were compensation-related. Given the total shares outstanding shown (483,960,665), the proposed sale represents roughly 0.0094% of the outstanding common stock, indicating limited dilution or market impact from this transaction. The filer also affirms no undisclosed material adverse information.

Corporate Governance Expert

TL;DR: Routine Rule 144 notice tied to compensation vesting; disclosure and broker routing appear standard.

This Form 144 documents a routine insider sale under Rule 144 following restricted stock vesting. Use of a major broker and the representation regarding material information are standard compliance elements. No prior three-month sales were reported, simplifying aggregation rules. From a governance perspective, the filing meets the required disclosures for a proposed Rule 144 sale.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	45535	2229648.60	483960665	09/16/2025	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	09/15/2025	Restricted Stock Vesting	Issuer			81250	09/15/2025	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

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does Rocket Lab's (RKLB) Form 144 report say about shares to be sold?

The filing reports a proposed sale of 45,535 common shares through Morgan Stanley Smith Barney with an aggregate market value of $2,229,648.60.

How were the shares being sold by the RKLB filer acquired?

The shares were acquired on 09/15/2025 by restricted stock vesting from the issuer and the payment is listed as compensation.

When is the approximate date of sale listed on the Form 144 for RKLB?

The Form 144 lists an approximate sale date of 09/16/2025 and the securities exchange as NASDAQ.

Does the filing report other sales by the same person in the past three months?

The Form 144 states "Nothing to Report" for securities sold during the past three months by the person for whose account the securities are to be sold.

What percentage of outstanding shares does the proposed sale represent?

Using the filing's figures, 45,535 shares versus 483,960,665 outstanding equals approximately 0.0094% of outstanding common stock.