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  4. [144] Rocket Lab Corp SEC Filing

Rocket Lab (RKLB) insider to sell 35,558 shares via Morgan Stanley

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
144

Rhea-AI Filing Summary

Rocket Lab Corp (RKLB) had a notice filed under Rule 144 for a planned sale of its common stock by officer Frank Klein. The notice covers 35,558 shares to be sold through Morgan Stanley Smith Barney, with an indicated aggregate market value of $2,353,228.44. The issuer’s common shares outstanding are listed as 598,350,482 as of August 27, 2026. The filing also reports that Klein sold 45,692 shares on August 24, 2026 for $3,181,443.24, and 36,860 shares on May 28, 2026 for $5,433,997.04.

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Shares to be sold 35,558 shares Common stock covered by the Rule 144 notice
Aggregate market value of planned sale $2,353,228.44 Value associated with 35,558 Rocket Lab common shares
Shares outstanding 598,350,482 shares Rocket Lab common shares outstanding as of August 27, 2026
Shares sold on August 24, 2026 45,692 shares Rocket Lab common stock sold by Frank Klein
Value of August 24, 2026 sale $3,181,443.24 Proceeds associated with 45,692 shares of common stock
Shares sold on May 28, 2026 36,860 shares Rocket Lab common stock sold by Frank Klein
Value of May 28, 2026 sale $5,433,997.04 Proceeds associated with 36,860 shares of common stock
Rule 144 regulatory
"See the definition of "person" in paragraph (a) of Rule 144."
Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.
Restricted Stock Units financial
"Common | 08/22/2026 | Restricted Stock Units | Issuer"
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.
aggregate market value financial
"Common ... | 35558 | 2353228.44 | 598350482 | 08/27/2026"
Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

What does the Form 144 filing disclose for Rocket Lab Corp (RKLB)?
The filing discloses that officer Frank Klein plans to sell 35,558 shares of Rocket Lab Corp common stock under Rule 144, with an indicated aggregate market value of $2,353,228.44, and lists prior sales over the past three months.

How many RKLB shares is Frank Klein planning to sell under this Form 144?
Frank Klein is planning to sell 35,558 shares of Rocket Lab Corp common stock. The notice lists these shares with an indicated aggregate market value of $2,353,228.44 and identifies the broker as Morgan Stanley Smith Barney LLC Executive Financial Services.

What Rocket Lab (RKLB) insider sales occurred in the past three months?
The notice reports that Frank Klein sold 45,692 shares of Rocket Lab common stock on August 24, 2026 for $3,181,443.24 and 36,860 shares on May 28, 2026 for $5,433,997.04.

How many Rocket Lab (RKLB) common shares are reported outstanding?
The document lists Rocket Lab Corp common shares outstanding as 598,350,482 as of August 27, 2026. This figure provides context for the size of the planned and recent sales reported for Frank Klein.

What type of Rocket Lab (RKLB) securities are involved in this Form 144?
The Form 144 involves Rocket Lab Corp common stock. The shares to be sold are tied to Restricted Stock Units acquired from the issuer, with an acquisition date shown as August 22, 2026.

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144: Filer Information

144: Issuer Information

144: Securities Information



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


* 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

144: Remarks and Signature

Source: View Original Filing on SEC EDGAR