---
schema_version: "secwatch.filing_event.v1"
accession: "0001380106-23-000161"
form_type: "8-K"
ticker: "RPID"
cik: "0001380106"
company_name: "RAPID MICRO BIOSYSTEMS, INC."
filed_at: "2023-09-19T23:59:59+00:00"
generated_at: "2026-06-10T13:16:24.598892+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Rapid Micro Biosystems receives Nasdaq delisting notice over bid price below $1.00

## Summary
- Received Nasdaq deficiency notice on Sept 13, 2023; bid price below $1.00 for 30 consecutive business days ending Sept 11, 2023.
- 180-day compliance period expires March 11, 2024; must close at $1.00+ for 10 consecutive days.
- Since Sept 12, bid price has been above $1.00 for six consecutive business days through Sept 19.
- If not compliant by March 2024, may transfer to Nasdaq Capital Market for another 180-day cure period.
- No immediate delisting; company monitors and will take reasonable measures.

## SEC filing metadata
- accession: 0001380106-23-000161
- form_type: 8-K
- ticker: RPID
- cik: 0001380106
- company_name: RAPID MICRO BIOSYSTEMS, INC.
- filed_at: 2023-09-19T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 3.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1380106/000138010623000161/0001380106-23-000161-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1380106/000138010623000161/rpid-20230913.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001380106-23-000161
- JSON: https://secwatch.observer/filing/0001380106-23-000161.json
- Plain text: https://secwatch.observer/filing/0001380106-23-000161.txt

## Key facts
- Listing & Compliance Notices
  RAPID MICRO BIOSYSTEMS, INC. received a nasdaq deficiency notice notice regarding minimum bid price (rules 5550(a)(2)).
  - Exchange: nasdaq
  - Notice: deficiency notice
  - Deficiency: minimum bid price
  - Rules: 5550(a)(2)
  source text: ) had closed below $1.00 per share for the thirty (30) consecutive business days (July 31, 2023 through September 11, 2023) and that the Company therefore is not in compliance with the minimum bid price requirement for continued inclusion on the Nasdaq Global Select Market under Nasdaq Listing Rule 5550(a)(2) (the “Bid Price Requirement”). The notification has no immediate effect on the listing of the Company’s common stock on Nasdaq. In accordance with Nasdaq Listing Rule 5810(c)(3)(A), the Company has a period of 180 calendar days to regain compliance with the Bid Price Requirement, which wi
  evidence_url: https://www.sec.gov/Archives/edgar/data/1380106/000138010623000161/0001380106-23-000161-index.htm

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