What are Alexander R. Slusky’s direct Rocket Lab (RKLB) share holdings after the Form 4?

Following the reported insider transactions, Alexander R. Slusky reported direct ownership of 61,331 Rocket Lab common shares. This direct holding is separate from the 394,675 shares held indirectly through Abalone Cove LLLP, where he is the sole general partner.

Rocket Lab (NASDAQ: RKLB) director-linked entity sells 60,000 shares in open market

Q: What price range did Rocket Lab (RKLB) director-related sales occur within on May 28, 2026?

The Form 4 states that the Rocket Lab shares sold by Abalone Cove LLLP on May 28, 2026 traded at prices ranging from $149.0000 to $149.4100. The reported per-share prices are weighted-average prices over multiple individual transactions.

Filing Impact

(Very High)

Filing Sentiment

(Very Negative)

Form Type

Rhea-AI Filing Summary

Rocket Lab Corp director-related entity reports stock sales. On May 28, 2026, Abalone Cove LLLP, an entity associated with director Alexander R. Slusky, sold 20,000 Rocket Lab common shares in an open-market sale at $150.0000 per share and 40,000 shares at $149.1023 per share. The weighted-average sale prices for these trades ranged from $149.0000 to $149.4100. After these transactions, Abalone Cove LLLP held 394,675 Rocket Lab common shares indirectly, while Slusky also reported 61,331 shares held directly.

Insider Trade Summary

Net Seller: 60,000 shares ($8,964,092)

Net Sell 3 txns

Insider Slusky Alexander R

Role null

Sold 60,000 shs ($8.96M)

Type	Security	Shares	Price	Value
Sale	Common Stock	40,000	$149.1023	$5.96M
Sale	Common Stock	20,000	$150.00	$3.00M
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 394,675 shares (Indirect, By Abalone Cove LLLP); Common Stock — 61,331 shares (Direct, null)

Footnotes (1)

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $149.0000 to $149.4100. The Reporting Person undertakes to provide the Registrant, any securityholder of the Registrant, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. These shares are held by Abalone Cove LLLP, a limited liability limited partnership, of which the Reporting Person is the sole general partner and of which the Reporting Person and his spouse are the sole limited partners.

Key Figures

Shares sold (first trade): 20,000 shares Shares sold (second trade): 40,000 shares Price range for sales: $149.0000–$149.4100 per share +3 more

6 metrics

Shares sold (first trade) 20,000 shares Open-market sale of common stock at $150.0000 per share on May 28, 2026

Shares sold (second trade) 40,000 shares Open-market sale of common stock at $149.1023 per share on May 28, 2026

Price range for sales $149.0000–$149.4100 per share Weighted-average sale price range across multiple transactions on May 28, 2026

Indirect holdings after sales 394,675 shares Rocket Lab common stock held by Abalone Cove LLLP after May 28, 2026 transactions

Direct holdings after filing 61,331 shares Rocket Lab common stock held directly by Alexander R. Slusky after reported transactions

Total shares sold 60,000 shares Aggregate Rocket Lab common stock sold by Abalone Cove LLLP on May 28, 2026

Key Terms

open-market sale, weighted-average price, limited liability limited partnership, indirect, +1 more

5 terms

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

weighted-average price financial

"The price reported in Column 4 is a weighted-average price."

limited liability limited partnership financial

"These shares are held by Abalone Cove LLLP, a limited liability limited partnership"

indirect financial

"ownership_type": "indirect""

beneficially owned financial

"full information regarding the number of shares sold at each separate price"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

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Form 4 Insider Transactions: What Each Field Means →

06/01/2026 - 06:12 PM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Slusky Alexander R

(Last)

(First)

(Middle)

3881 MCGOWEN STREET

(Street)

LONG BEACH

CALIFORNIA

90808

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Rocket Lab Corp [ RKLB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/28/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	05/28/2026		S		40,000	D	$149.1023⁽¹⁾	394,675	I	By Abalone Cove LLLP⁽²⁾
Common Stock	05/28/2026		S		20,000	D	$150	374,675	I	By Abalone Cove LLLP⁽²⁾
Common Stock								61,331	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $149.0000 to $149.4100. The Reporting Person undertakes to provide the Registrant, any securityholder of the Registrant, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

2. These shares are held by Abalone Cove LLLP, a limited liability limited partnership, of which the Reporting Person is the sole general partner and of which the Reporting Person and his spouse are the sole limited partners.

	By: /s/ Arjun Kampani as Attorney-in-Fact For: Alexander R. Slusky	06/01/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Rocket Lab Corp (RKLB) report for Alexander R. Slusky?

Rocket Lab Corp reported that an entity associated with director Alexander R. Slusky, Abalone Cove LLLP, sold 60,000 shares of Rocket Lab common stock in open-market transactions on May 28, 2026, while maintaining significant remaining indirect and direct share holdings.

How many Rocket Lab (RKLB) shares did Abalone Cove LLLP sell and at what prices?

Abalone Cove LLLP sold 20,000 Rocket Lab common shares at $150.0000 per share and 40,000 shares at $149.1023 per share. A footnote explains these were weighted-average prices across multiple trades between $149.0000 and $149.4100.

How many Rocket Lab (RKLB) shares does Abalone Cove LLLP hold after the reported sales?

After the May 28, 2026 transactions, Abalone Cove LLLP held 394,675 Rocket Lab common shares indirectly. This figure is reported as the total number of shares beneficially owned by the entity following the open-market stock sales.

Who is Abalone Cove LLLP in relation to Rocket Lab (RKLB) director Alexander R. Slusky?

Abalone Cove LLLP is a limited liability limited partnership through which Alexander R. Slusky holds Rocket Lab shares. He is the sole general partner, and he and his spouse are the sole limited partners, according to the Form 4 footnote disclosure.