---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-005103"
form_type: "8-K"
ticker: "RKLB"
cik: "0001819994"
company_name: "Rocket Lab Corp"
filed_at: "2023-02-28T23:59:59+00:00"
generated_at: "2026-06-18T22:35:18.254701+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Rocket Lab Q4 revenue $51.8M (+88% YoY); full-year $211M (+239%); Q1 guidance shows negative gross margins

## Summary
- Q4 2022 revenue $51.8M, up 88% YoY; full-year 2022 revenue $211M, up 239%.
- Record nine launches in 2022 with 100% mission success; CAPSTONE moon mission for NASA.
- Q1 2023 guidance: revenue $51-54M, GAAP gross margin -5% to -3%, adjusted EBITDA loss $28-30M.
- Director David Cowan resigns from board effective March 14, 2023; no dispute with company.
- Neutron rocket development: engine test stand at NASA Stennis, production complex at Wallops under construction.

## SEC filing metadata
- accession: 0000950170-23-005103
- form_type: 8-K
- ticker: RKLB
- cik: 0001819994
- company_name: Rocket Lab Corp
- filed_at: 2023-02-28T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1819994/000095017023005103/0000950170-23-005103-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1819994/000095017023005103/rklb-20230227.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-005103
- JSON: https://secwatch.observer/filing/0000950170-23-005103.json
- Plain text: https://secwatch.observer/filing/0000950170-23-005103.txt

## Key facts
- Earnings Releases
  Rocket Lab Corp reported the first quarter of 2023 results: revenue between $51 million and $54 million. Guidance initiated.
  - Period: the first quarter of 2023
  - Revenue: between $51 million and $54 million
  - Guidance: initiated
  - Result: guidance update
  source text: First Quarter 2023 Guidance For the first quarter of 2023, Rocket Lab expects: • Revenue between $51 million and $54 million. • Launch Services revenue of approximately $19 million.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1819994/000095017023005103/0000950170-23-005103-index.htm
- Earnings Releases
  Rocket Lab Corp reported the fiscal year ended December 31, 2022 results: revenue $211 million.
  - Period: the fiscal year ended December 31, 2022
  - Revenue: $211 million
  - Result: reported results
  source text: Fiscal 2022 Revenue of $211 million, representing full-year growth of 239%.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1819994/000095017023005103/0000950170-23-005103-index.htm
- Earnings Releases
  Rocket Lab Corp reported the fourth quarter ended December 31, 2022 results: revenue $51.8 million.
  - Period: the fourth quarter ended December 31, 2022
  - Revenue: $51.8 million
  - Result: reported results
  source text: Q4 2022 revenue of $51.8 million, an increase of 88% year-over-year.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1819994/000095017023005103/0000950170-23-005103-index.htm
- Executive change
  David Cowan resigned as Director at Rocket Lab Corp.
  - Action: resigned
  - Role: Director
  source text: David Cowan notified the Company, of his resignation as a member of the Company’s board of directors (the “Board”) and the Nominating and Corporate Governance Committee of the Board, effective March 14, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1819994/000095017023005103/0000950170-23-005103-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.