---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-049982"
form_type: "8-K"
ticker: "RKLB"
cik: "0001819994"
company_name: "Rocket Lab Corp"
filed_at: "2023-09-26T23:59:59+00:00"
generated_at: "2026-06-10T08:48:51.635890+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Rocket Lab mission failure loses Capella Space payload; Q3 revenue guidance cut to $66-68M

## Summary
- Electron launch on Sept 19 failed ~T+2.5 min after stage separation; payload of Capella Space lost.
- FAA investigating anomaly; next mission postponed pending corrective actions and investigation closure.
- Q3 2023 revenue guidance reduced to $66-68M from prior $73-77M; launch services now $22M vs $30M.
- GAAP gross margin guidance lowered to 18-20%; non-GAAP to 26-28% from prior 21-23% and 28-30%.
- Space Systems revenue guidance unchanged at $44-46M; overall impact driven entirely by launch failure.

## SEC filing metadata
- accession: 0000950170-23-049982
- form_type: 8-K
- ticker: RKLB
- cik: 0001819994
- company_name: Rocket Lab Corp
- filed_at: 2023-09-26T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1819994/000095017023049982/0000950170-23-049982-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1819994/000095017023049982/rklb-20230919.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-049982
- JSON: https://secwatch.observer/filing/0000950170-23-049982.json
- Plain text: https://secwatch.observer/filing/0000950170-23-049982.txt

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