---
schema_version: "secwatch.filing_event.v1"
accession: "0001380106-24-000058"
form_type: "8-K"
ticker: "RPID"
cik: "0001380106"
company_name: "RAPID MICRO BIOSYSTEMS, INC."
filed_at: "2024-03-01T23:59:59+00:00"
generated_at: "2026-06-05T05:22:26.425485+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Rapid Micro Biosystems Q4 revenue $6.3M (+45% YoY); guides FY2024 revenue ≥$27M

## Summary
- Q4 2023 revenue $6.3M (+45% YoY); placed 6 Growth Direct systems, highest since Q3 2021.
- FY2023 revenue $22.5M (+31% YoY); net loss $52.5M vs $60.8M in 2022, loss narrowed.
- Gross margin improved to near breakeven (-3%) from -59% in Q4 2022 on cost actions.
- Cash $95M, no debt; expected runway into H2 2026.
- FY2024 guidance: revenue ≥$27M, at least 20 system placements; new Rapid Sterility app by mid-2024.

## SEC filing metadata
- accession: 0001380106-24-000058
- form_type: 8-K
- ticker: RPID
- cik: 0001380106
- company_name: RAPID MICRO BIOSYSTEMS, INC.
- filed_at: 2024-03-01T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- 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/1380106/000138010624000058/0001380106-24-000058-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1380106/000138010624000058/rpid-20240301.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001380106-24-000058
- JSON: https://secwatch.observer/filing/0001380106-24-000058.json
- Plain text: https://secwatch.observer/filing/0001380106-24-000058.txt

## Key facts
- Earnings Releases
  RAPID MICRO BIOSYSTEMS, INC. updated its fourth quarter and fiscal year ended December 31, 2023 guidance (initiated).
  - Period: fourth quarter and fiscal year ended December 31, 2023
  - Guidance: initiated
  - Result: reported results
  source text: On March 1, 2024, Rapid Micro Biosystems, Inc. (the “Company”) issued a press release announcing its financial results for its fourth quarter and fiscal year ended December 31, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1380106/000138010624000058/0001380106-24-000058-index.htm

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