---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-061155"
form_type: "8-K"
ticker: "RKLB"
cik: "0001819994"
company_name: "Rocket Lab Corp"
filed_at: "2023-11-08T23:59:59+00:00"
generated_at: "2026-06-08T10:26:40.501757+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "medium"
source: SEC EDGAR
---

# Rocket Lab guides Q4 rev $65-69M, Q1 rev $95-105M; Electron return Nov 28 after anomaly fix

## Summary
- Q4 2023 guidance: revenue $65-69M, Space Systems $48.5-52.5M, Launch Services ~$16.5M, adjusted EBITDA loss $23-27M.
- Q1 2024 revenue guidance raised to $95-105M, driven by Space Systems growth ($65-68M) and launch ($30-37M).
- Anomaly cause determined: electrical arc under Paschen's Law conditions from rare interaction of AC ripple, helium/nitrogen, and insulation fault.
- Corrective actions: enhanced high-voltage testing and pressurizing battery frame to prevent arcs; FAA authorization received.
- Electron return to flight scheduled during window opening Nov 28, 2023, for iQPS mission.

## SEC filing metadata
- accession: 0000950170-23-061155
- form_type: 8-K
- ticker: RKLB
- cik: 0001819994
- company_name: Rocket Lab Corp
- filed_at: 2023-11-08T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: medium
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1819994/000095017023061155/0000950170-23-061155-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1819994/000095017023061155/rklb-20231108.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-061155
- JSON: https://secwatch.observer/filing/0000950170-23-061155.json
- Plain text: https://secwatch.observer/filing/0000950170-23-061155.txt

## Key facts
- Earnings Releases
  Rocket Lab Corp reported third quarter ended September 30, 2023 results: revenue $65 million and $69 million. Guidance reaffirmed.
  - Period: third quarter ended September 30, 2023
  - Revenue: $65 million and $69 million
  - Guidance: reaffirmed
  - Result: reported results
  source text: on October 13, 2023. rocketlabusa.com | media@rocketlabusa.com MEDIA RELEASE Fourth Quarter 2023 Guidance For the Fourth quarter of 2023, Rocket Lab expects: • Revenue between $65 million and $69 million. • Space Systems revenue between $48.5 million to $52.5 million. • Launch Services revenue of approximately $16.5 million. • GAAP Gross Margins between 24% to
  evidence_url: https://www.sec.gov/Archives/edgar/data/1819994/000095017023061155/0000950170-23-061155-index.htm

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