---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-22-026382"
form_type: "8-K"
ticker: "REVB"
cik: "0001810560"
company_name: "REVELATION BIOSCIENCES, INC."
filed_at: "2022-12-12T23:59:59+00:00"
generated_at: "2026-06-21T06:17:02.738388+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Revelation Biosciences receives Nasdaq delisting notice for bid price non-compliance

## Summary
- Received Nasdaq notice on Dec. 6, 2022, for failing to maintain $1.00 minimum bid price.
- 180-day grace period expired Dec. 5, 2022; a separate basis for delisting has been identified.
- Company will provide a compliance plan to Nasdaq Hearings Panel and has requested a hearing.
- Trading continues on Nasdaq under REVBU, REVB, and REVBW while review is pending.
- No assurance that extension or continued listing will be granted.

## SEC filing metadata
- accession: 0000950170-22-026382
- form_type: 8-K
- ticker: REVB
- cik: 0001810560
- company_name: REVELATION BIOSCIENCES, INC.
- filed_at: 2022-12-12T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 3.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1810560/000095017022026382/0000950170-22-026382-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1810560/000095017022026382/revb-20221206.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-22-026382
- JSON: https://secwatch.observer/filing/0000950170-22-026382.json
- Plain text: https://secwatch.observer/filing/0000950170-22-026382.txt

## Key facts
- Listing & Compliance Notices
  REVELATION BIOSCIENCES, INC. received a nasdaq noncompliance notice notice regarding minimum bid price (rules 5550(a)(2), 5810(c)(3)(A)).
  - Exchange: nasdaq
  - Notice: noncompliance notice
  - Deficiency: minimum bid price
  - Rules: 5550(a)(2), 5810(c)(3)(A)
  source text: December 6, 2022, Revelation Biosciences, Inc. (the “Company”) received a written notice from the Listing Qualifications Department of The Nasdaq Stock Market LLC (“Nasdaq”), notifying the Company that it was not in compliance with Nasdaq Listing Rule 5550(a)(2) (the “Rule”) which requires listed companies to maintain a minimum bid price of $1.00 per share. Under Nasdaq Listing Rule 5810(c)(3)(A), the Company had been granted a period of 180 calendar days to regain compliance with the minimum bid price requirement. Upon the expiration of that grace period, on December 5, 2022, the Company rece
  evidence_url: https://www.sec.gov/Archives/edgar/data/1810560/000095017022026382/0000950170-22-026382-index.htm

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