---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-041840"
form_type: "8-K"
ticker: "REVB"
cik: "0001810560"
company_name: "REVELATION BIOSCIENCES, INC."
filed_at: "2023-08-11T23:59:59+00:00"
generated_at: "2026-06-11T15:02:44.929511+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Revelation Biosciences receives Nasdaq bid price deficiency notice

## Summary
- Nasdaq notified REVB on Aug 8, 2023 of noncompliance with minimum $1.00 bid price rule for 30 consecutive business days.
- Company has a 180-day grace period until Feb 5, 2024 to regain compliance; common stock must close at $1.00+ for 10 consecutive days.
- If not cured, may be eligible for an additional 180-day extension pending meeting other listing standards and reverse stock split if needed.
- Noncompliance has no immediate impact on trading; stock continues listed on Nasdaq Capital Market.
- Company is evaluating options to maintain listing including potential reverse stock split.

## SEC filing metadata
- accession: 0000950170-23-041840
- form_type: 8-K
- ticker: REVB
- cik: 0001810560
- company_name: REVELATION BIOSCIENCES, INC.
- filed_at: 2023-08-11T23:59:59+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/1810560/000095017023041840/0000950170-23-041840-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1810560/000095017023041840/revb-20230808.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-041840
- JSON: https://secwatch.observer/filing/0000950170-23-041840.json
- Plain text: https://secwatch.observer/filing/0000950170-23-041840.txt

## Key facts
- Listing & Compliance Notices
  REVELATION BIOSCIENCES, 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: August 8, 2023, Revelation Biosciences, Inc. (the “Company”) received a letter from the Nasdaq Stock Market LLC (“Nasdaq”) notifying the Company of its noncompliance with Nasdaq Listing Rule 5550(a)(2) (the “Rule”) by failing to maintain a minimum bid price for its common stock of at least $1.00 per share for 30 consecutive business days. According to the letter, the Company has a 180 calendar day grace period to regain compliance with the Rule (the “Grace Period”), subject to a potential 180 calendar day extension, as described below. To regain compliance, the Company’s common stock must have
  evidence_url: https://www.sec.gov/Archives/edgar/data/1810560/000095017023041840/0000950170-23-041840-index.htm

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