Peter Beck - 27 Mar 2026 SCHEDULE 13D/A Report for Rocket Lab Corp Common Stock, $0.0001 par value per share (RKLB)

Filing manager: Peter Beck
Reporting owner: Beck Peter
Security: Rocket Lab Corp Common Stock, $0.0001 par value per share
Beneficially owned shares: 46,443,180 shares
Class ownership: 7.5%
Large-stake signal: Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
Ownership
7.5%
Beneficial ownership of this reported class.
Shares
46,443,180 shares
Shares beneficially owned as disclosed.
Event date
27 Mar 2026
Date tied to the ownership event or amendment.
Accepted by SEC
30 Mar 2026
EDGAR acceptance date.
How to read this large-stake filing
Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
Compare this filing with the holder history and issuer page before treating the percentage as a current position.
Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Symbol: RKLB
Shares outstanding: 618,417,843 shares
Form type: SCHEDULE 13D/A
Accepted by SEC: 30 Mar 2026, 17:30:06 UTC
Event date: 27 Mar 2026
Previous filing: 10 Jan 2025
SEC filing: View on sec.gov

Key filing fact

Peter Beck disclosed 7.5% ownership in Rocket Lab Corp Common Stock, $0.0001 par value per share (RKLB) on 27 Mar 2026.

Key facts

Peter Beck filed SCHEDULE 13D/A for Rocket Lab Corp Common Stock, $0.0001 par value per share (RKLB).
Disclosed ownership: 7.5%.
Date of event: 27 Mar 2026.

This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

Reporting persons

Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name	Ownership	Shares owned	Sole voting power	Shared voting power	Signature	Title	CIK
Beck Peter	7.5%	46,443,180	491,930	45,951,250	/s/ Peter Beck	Peter Beck	0001881842
Equatorial Trust	7.4%	45,951,250	45,951,250	0	/s/ Peter Beck	Peter Beck, Director and Attorney-in-Fact for Peek Street Equatorial Trustee Limited, its trustee
Peek Street Equatorial Trustee Ltd	7.4%	45,951,250	45,951,250	0	/s/ Peter Beck	Peter Beck, Director and Attorney-in-Fact for Peek Street Equatorial Trustee Limited
Beck Kerryn	7.4%	45,951,250	0	45,951,250	/s/ Peter Beck	Peter Beck, Attorney-in-Fact for Kerryn Beck	0001880895
Butler Warren	7.4%	45,951,250	0	45,951,250	/s/ Peter Beck	Peter Beck, Attorney-in-Fact for Warren Butler	0001880893

CIK / CUSIP context first

Broader feeds