---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-009142"
form_type: "8-K"
ticker: "RKLB"
cik: "0001819994"
company_name: "Rocket Lab Corp"
filed_at: "2024-01-31T23:59:59+00:00"
generated_at: "2026-06-06T13:59:56.786172+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Rocket Lab reports preliminary Q4 2023 revenue $59-61M; net loss widens to $49-52.5M

## Summary
- Preliminary Q4 2023 revenue $59-61M (up from $51.8M YoY); net loss $49-52.5M vs $37.2M.
- Space Systems revenue $50.5-52.5M (+27% YoY); Launch Services revenue fell to $8.5M from $12M.
- Adjusted EBITDA loss expected $28-30M, roughly double the prior year's $14.5M loss.
- Record backlog and $515M Space Development Agency Tranche 2 Beta contract noted; Neutron development progressing.
- One Electron launch postponed from Q4, no impact on future results; full earnings due Feb 27, 2024.

## SEC filing metadata
- accession: 0000950170-24-009142
- form_type: 8-K
- ticker: RKLB
- cik: 0001819994
- company_name: Rocket Lab Corp
- filed_at: 2024-01-31T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1819994/000095017024009142/0000950170-24-009142-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1819994/000095017024009142/rklb-20240131.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-009142
- JSON: https://secwatch.observer/filing/0000950170-24-009142.json
- Plain text: https://secwatch.observer/filing/0000950170-24-009142.txt

## Key facts
- Earnings Releases
  Rocket Lab Corp reported the fourth quarter ended December 31, 2023 results: revenue $59.0 $61.0.
  - Period: the fourth quarter ended December 31, 2023
  - Revenue: $59.0 $61.0
  - Result: preliminary results
  source text: appear below may not sum due to rounding. (figures in millions) Three Months Ended December 31, 2022 2023 Estimated Preliminary Unaudited Results Actual Low High Revenue $ 51.8 $ 59.0 $ 61.0 Space Systems revenue $ 39.7 $ 50.5 $ 52.5 Launch Services revenue $ 12.0 $ 8.5 $ 8.5 GAAP Gross margin 3.5 % 24.8 % 26.8 % Non-GAAP Gross margin 14.5 % 31.4 % 33.2 % GAAP
  evidence_url: https://www.sec.gov/Archives/edgar/data/1819994/000095017024009142/0000950170-24-009142-index.htm

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