Peter Beck - 06 Jul 2026 Form 4 Insider Report for Rocket Lab Corp (RKLB)

Reporting relationship: CEO, Director
Issuer ticker: RKLB
Reported as of: 06 Jul 2026
Net transaction value: -$286,410,196
SEC form: 4
Accepted by SEC: 08 Jul 2026, 20:13:43 UTC
Prior SEC filing: 28 May 2026
Source filing: View source filing
Reporting owner signature: By: /s/Arjun Kampani, as Attorney-in-Fact For: Peter Beck

Key filing fact

Peter Beck filed Form 4 for Rocket Lab Corp (RKLB) on 08 Jul 2026.

Key facts

This page summarizes Peter Beck's Form 4 filing for Rocket Lab Corp (RKLB).
24 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 08 Jul 2026, 20:13.

Change

Previous filing in this sequence was filed on 28 May 2026.
Current net transaction value: -$286,410,196.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001881842 Primary reporting owner

Beck Peter

Relationship: CEO, Director
Address: 3881 MCGOWEN STREET, LONG BEACH
Signature: By: /s/Arjun Kampani, as Attorney-in-Fact For: Peter Beck
Signature date: 08 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

RKLB transaction

Common Stock

Sale

Transaction value: $19,778,751
Shares: -213,106
Change %: -4.3%
Price: $92.81
Shares after: 4,786,894
Date: 06 Jul 2026
Ownership: by Trust
Footnotes: F1, F2, F3

RKLB transaction

Common Stock

Sale

Transaction value: $18,628,396
Shares: -198,726
Change %: -4.2%
Price: $93.74
Shares after: 4,588,168
Date: 06 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F4

RKLB transaction

Common Stock

Sale

Transaction value: $7,990,369
Shares: -84,387
Change %: -1.8%
Price: $94.69
Shares after: 4,503,781
Date: 06 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F5

RKLB transaction

Common Stock

Sale

Transaction value: $13,278,835
Shares: -138,478
Change %: -3.1%
Price: $95.89
Shares after: 4,365,303
Date: 06 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F6

RKLB transaction

Common Stock

Sale

Transaction value: $16,399,489
Shares: -169,457
Change %: -3.9%
Price: $96.78
Shares after: 4,195,846
Date: 06 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F7

RKLB transaction

Common Stock

Sale

Transaction value: $7,590,045
Shares: -77,684
Change %: -1.9%
Price: $97.70
Shares after: 4,118,162
Date: 06 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F8

RKLB transaction

Common Stock

Sale

Transaction value: $7,518,631
Shares: -76,178
Change %: -1.8%
Price: $98.70
Shares after: 4,041,984
Date: 06 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F9

RKLB transaction

Common Stock

Sale

Transaction value: $817,046
Shares: -8,202
Change %: -0.2%
Price: $99.62
Shares after: 4,033,782
Date: 06 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F10

RKLB transaction

Common Stock

Sale

Transaction value: $1,434,090
Shares: -14,266
Change %: -0.35%
Price: $100.52
Shares after: 4,019,516
Date: 06 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F11

RKLB transaction

Common Stock

Sale

Transaction value: $580,268
Shares: -5,713
Change %: -0.14%
Price: $101.57
Shares after: 4,013,803
Date: 06 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F12

RKLB transaction

Common Stock

Sale

Transaction value: $28,598,803
Shares: -342,190
Change %: -8.5%
Price: $83.58
Shares after: 3,671,613
Date: 07 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F13

RKLB transaction

Common Stock

Sale

Transaction value: $38,653,979
Shares: -458,494
Change %: -12%
Price: $84.31
Shares after: 3,213,119
Date: 07 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F14

RKLB transaction

Common Stock

Sale

Transaction value: $21,998,510
Shares: -257,803
Change %: -8%
Price: $85.33
Shares after: 2,955,316
Date: 07 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F15

RKLB transaction

Common Stock

Sale

Transaction value: $7,625,913
Shares: -88,548
Change %: -3%
Price: $86.12
Shares after: 2,866,768
Date: 07 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F16

RKLB transaction

Common Stock

Sale

Transaction value: $3,628,076
Shares: -41,554
Change %: -1.4%
Price: $87.31
Shares after: 2,825,214
Date: 07 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F17

RKLB transaction

Common Stock

Sale

Transaction value: $6,618,607
Shares: -74,874
Change %: -2.7%
Price: $88.40
Shares after: 2,750,340
Date: 07 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F18

RKLB transaction

Common Stock

Sale

Transaction value: $1,840,353
Shares: -20,593
Change %: -0.75%
Price: $89.37
Shares after: 2,729,747
Date: 07 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F19

RKLB transaction

Common Stock

Sale

Transaction value: $1,314,740
Shares: -14,566
Change %: -0.53%
Price: $90.26
Shares after: 2,715,181
Date: 07 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F20

RKLB transaction

Common Stock

Sale

Transaction value: $21,699,380
Shares: -265,958
Change %: -9.8%
Price: $81.59
Shares after: 2,449,223
Date: 08 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F21

RKLB transaction

Common Stock

Sale

Transaction value: $29,209,929
Shares: -354,128
Change %: -14%
Price: $82.48
Shares after: 2,095,095
Date: 08 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F22

RKLB transaction

Common Stock

Sale

Transaction value: $13,054,288
Shares: -156,666
Change %: -7.5%
Price: $83.33
Shares after: 1,938,429
Date: 08 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F23

RKLB transaction

Common Stock

Sale

Transaction value: $12,022,216
Shares: -142,390
Change %: -7.3%
Price: $84.43
Shares after: 1,796,039
Date: 08 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F24

RKLB transaction

Common Stock

Sale

Transaction value: $5,781,118
Shares: -67,773
Change %: -3.8%
Price: $85.30
Shares after: 1,728,266
Date: 08 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F25

RKLB transaction

Common Stock

Sale

Transaction value: $348,360
Shares: -4,045
Change %: -0.23%
Price: $86.12
Shares after: 1,724,221
Date: 08 Jul 2026
Ownership: by Trust
Footnotes: F1, F3, F26

RKLB holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 491,930
Date: 06 Jul 2026
Ownership: Direct

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 26 footnotes

Footnote F1

Represents the sale of shares which occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Equatorial Trust (the "Trust") on March 27, 2026.

Footnote F2

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $92.3000 to $93.2900. 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.

Footnote F3

Held directly by the Equatorial Trust (the "Trust"), a family trust settled by the Reporting Person and Kerryn Beck. Peek Street Equatorial Trustee Limited (the "Trustee") is the trustee of the Trust and each of the Reporting Person, Kerryn Beck and Warren Butler serve as a director of the Trustee with shared voting and investment control of the shares and, as a result, the Trustee and each such individual is deemed to be an indirect beneficial owner of the reported securities. The Reporting Person disclaims his beneficial ownership of the reported securities except to the extent of his pecuniary interest.

Footnote F4

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $93.3000 to $94.2900. 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.

Footnote F5

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $94.3000 to $95.2900. 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.

Footnote F6

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $95.3000 to $96.2900. 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.

Footnote F7

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $96.2950 to $97.2850. 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.

Footnote F8

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $97.2900 to $98.2800. 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.

Footnote F9

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $98.2900 to $99.2800. 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.

Footnote F10

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $99.2850 to $100.2450. 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.

Footnote F11

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $100.2800 to $101.2700. 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.

Footnote F12

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $101.2900 to $102.0100. 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.

Footnote F13

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $82.8600 to $83.8500. 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.

Footnote F14

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $83.8550 to $84.8450. 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.

Footnote F15

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $84.8500 to $85.8400. 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.

Footnote F16

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $85.8450 to $86.8300. 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.

Footnote F17

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $86.8400 to $87.8200. 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.

Footnote F18

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $87.8450 to $88.8350. 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.

Footnote F19

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $88.8400 to $89.8300. 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.

Footnote F20

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $89.8400 to $90.5800. 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.

Footnote F21

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $81.0000 to $81.9900. 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.

Footnote F22

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $81.9950 to $82.9850. 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.

Footnote F23

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $82.9875 to $83.9700. 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.

Footnote F24

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $83.9800 to $84.9700. 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.

Footnote F25

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $84.9725 to $85.9600. 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.

Footnote F26

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $85.9700 to $86.3900. 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.