Frank Klein sells RKLB shares; 36,768 RSUs listed (RKLB)

Rhea-AI Filing Summary

Frank Klein reported restricted stock unit holdings and recent dispositions of common stock in a Form 144 disclosure. The filing lists 36,768 Restricted Stock Units with an effective date of 03/01/2026 and shows common shares sold during the past three months: 44,482 shares on 03/01/2026 and 100,000 shares on 01/02/2026. The trades are reported through Morgan Stanley Smith Barney LLC on 03/04/2026.

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 Financial Services 1 New York Plaza 8th Floor New York NY 10004	36768	2578539.84	567445449	03/04/2026	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	03/01/2026	Restricted Stock Units	Issuer			36768	03/01/2026	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
FRANK KLEIN 3881 McGowen Street Long Beach CA 90808	Common	03/01/2026	44482	3095497.93
FRANK KLEIN 3881 McGowen Street Long Beach CA 90808	Common	01/02/2026	100000	7294980.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 did RKLB insider Frank Klein report in the Form 144?

Frank Klein reported sales of common stock and a holding of RSUs. The filing lists 36,768 Restricted Stock Units dated 03/01/2026, and sales of 44,482 and 100,000 common shares on 03/01/2026 and 01/02/2026.

How many RKLB shares did Frank Klein sell in the past three months?

The filing reports sales of 44,482 and 100,000 common shares. Those transactions are dated 03/01/2026 and 01/02/2026, with proceeds shown in the filing entries.

Are Restricted Stock Units included in the RKLB Form 144 filing?

Yes. The filing lists 36,768 Restricted Stock Units dated 03/01/2026. The RSUs are identified in the securities-to-be-sold section alongside common stock entries.

Through which broker were the RKLB transactions reported?

Transactions were reported through Morgan Stanley Smith Barney LLC. The filing lists the broker's address at 1 New York Plaza, 8th Floor, New York, NY, associated with the reported sales.

What aggregate proceeds are shown for the reported RKLB sales?

The filing entries show proceeds tied to each sale line item. For the listed transactions the amounts recorded are $3,095,497.93 for 44,482 shares and $7,294,980.00 for 100,000 shares.