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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 5)
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Rocket Lab Corp (Name of Issuer) |
Common Stock, $0.0001 par value per share (Title of Class of Securities) |
773121108 (CUSIP Number) |

SCHEDULE 13D
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| CUSIP Number(s): | 773121108 |
| 1 |
Name of reporting person
Beck Peter | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
OO | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
NEW ZEALAND
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
46,443,180.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
7.51 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
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| CUSIP Number(s): | 773121108 |
| 1 |
Name of reporting person
Equatorial Trust | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
OO | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
NEW ZEALAND
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
45,951,250.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
7.43 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
OO |
SCHEDULE 13D
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| CUSIP Number(s): | 773121108 |
| 1 |
Name of reporting person
Peek Street Equatorial Trustee Ltd | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
OO | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
NEW ZEALAND
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
45,951,250.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
7.43 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
OO |
SCHEDULE 13D
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| CUSIP Number(s): | 773121108 |
| 1 |
Name of reporting person
Beck Kerryn | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
OO | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
NEW ZEALAND
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
45,951,250.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
7.43 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
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| CUSIP Number(s): | 773121108 |
| 1 |
Name of reporting person
Butler Warren | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
OO | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
NEW ZEALAND
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
45,951,250.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
7.43 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
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| Item 1. | Security and Issuer | |
| (a) | Title of Class of Securities:
Common Stock, $0.0001 par value per share | |
| (b) | Name of Issuer:
Rocket Lab Corp | |
| (c) | Address of Issuer's Principal Executive Offices:
3881 McGowen Street, Long Beach,
CALIFORNIA
, 90808. | |
Item 1 Comment:
This Amendment No. 5 (this "Amendment No. 5") amends and supplements the statement on Schedule 13D originally filed by the Reporting Persons on September 7, 2021 (the "Schedule 13D"), as amended by Amendment No. 1 to the Schedule 13D filed by the Reporting Persons on September 18, 2023 (the "Amendment No. 1"), Amendment No. 2 to the Schedule 13D filed by the Reporting Persons on December 5, 2024 (the "Amendment No. 2"), Amendment No. 3 to the Schedule 13D filed by the Reporting Persons on January 10, 2025 (the "Amendment No. 3"), and Amendment No. 4 to the Schedule 13D filed by the Reporting Persons on June 17, 2025 (the "Amendment No. 4" and, together with the Schedule 13D, Amendment No. 1, Amendment No. 2, Amendment No. 3, Amendment No. 4 and this Amendment No. 5, this "Statement"). Unless otherwise indicated, each capitalized term used but not defined in this Amendment No. 5 shall have the meaning assigned to such term in the Schedule 13D, Amendment No. 1, Amendment No. 2, Amendment No. 3 and Amendment No. 4. Except as otherwise specifically amended in this Amendment No. 5, items in the Schedule 13D, Amendment No. 1, Amendment No. 2, Amendment No. 3 and Amendment No. 4 remain unchanged. | ||
| Item 4. | Purpose of Transaction | |
Item 4 of the Statement is hereby amended and supplemented by adding the following:
On March 27, 2026, the Trust entered into a 10b5-1 plan (the "Plan") in accordance with Rule 10b5-1 promulgated under the Exchange Act pursuant to which Goldman Sachs & Co. LLC (the "Broker") has been appointed to sell up to 5,000,000 shares of Common Stock of the Company, subject to certain temporal, price and volume based parameters. The shares are not permitted to be sold under the Plan until the expiration of the required cooling off period set forth in Rule 10b5-1(c)(1)(ii)(B)(1) under the Securities Exchange Act of 1934, as amended, and the Plan will expire under its terms on July 8, 2026. The sales under the Plan, which represent just over 10% of Mr. Beck's direct and indirect beneficial ownership, are being made for continued diversification, estate planning purposes and to further support philanthropic pursuits.
On March 30, 2026, Mr. Beck and the Company entered into a restricted stock unit ("RSU") cancellation agreement pursuant to which Mr. Beck voluntarily forfeited and cancelled all unvested RSUs held by Mr. Beck representing an aggregate of 392,155 shares of the Company's common stock. Mr. Beck's focus is the long-term appreciation of shareholder value rather than short-term cash or equity incentives. At Mr. Beck's request, the capital previously allocated for this compensation will be redirected toward Company priorities and strategic R&D initiatives, reinforcing a shared commitment to disciplined fiscal management and growth | ||
| Item 5. | Interest in Securities of the Issuer | |
| (c) | Item 5(c) of the Statement is hereby amended and supplemented as follows:
The information set forth in Item 4 of this Statement is incorporated by reference herein.
During the past sixty days, Peter Beck sold an aggregate of 18,857 shares of Common Stock pursuant to a "sell-to-cover" transaction pursuant to a Rule 10b5-1 election adopted by Mr. Beck in order to satisfy applicable tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to Mr. Beck as follows:
On March 2, 2026, Mr. Beck sold 1,349 shares of Common Stock in the open market at a weighted average price of $66.8288. These shares were sold in multiple transactions at prices ranging from $66.4700 to $67.4500.
On March 2, 2026, Mr. Beck sold 951 shares of Common Stock in the open market at a weighted average price of $67.9207. These shares were sold in multiple transactions at prices ranging from $67.5000 to $68.4500.
On March 2, 2026, Mr. Beck sold 3,465 shares of Common Stock in the open market at a weighted average price of $69.1034. These shares were sold in multiple transactions at prices ranging from $68.4800 to $69.4600.
On March 2, 2026, Mr. Beck sold 11,010 shares of Common Stock in the open market at a weighted average price of $70.0313. These shares were sold in multiple transactions at prices ranging from $69.4700 to $70.4600.
On March 2, 2026, Mr. Beck sold 2,082 shares of Common Stock in the open market at a weighted average price of $70.6170. These shares were sold in multiple transactions at prices ranging from $70.4700 to $70.9450.
The Reporting Persons undertake to provide the Company, any securityholder of the Company, or the Staff of the Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth above. | |
| Item 6. | Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer | |
Item 6 of the Statement is hereby amended and supplemented by adding the following: The information set forth in Item 4 of this Statement, including with respect to the terms of the Plan, are incorporated herein by reference. | ||
| SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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