---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-050808"
form_type: "8-K"
ticker: "ASMB"
cik: "0001426800"
company_name: "ASSEMBLY BIOSCIENCES, INC."
filed_at: "2023-09-29T23:59:59+00:00"
generated_at: "2026-06-10T06:51:42.077765+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Assembly Biosciences receives Nasdaq bid-price deficiency notice

## Summary
- Nasdaq notified ASMB that bid price closed below $1.00 for 30 consecutive business days.
- Company has 180 calendar days, until March 25, 2024, to regain compliance.
- Compliance requires closing bid price ≥$1.00 for ten consecutive business days.
- If not cured, may be eligible for second 180-day period with reverse stock split option.
- Stock continues trading on Nasdaq Global Select under 'ASMB' with no immediate effect.

## SEC filing metadata
- accession: 0000950170-23-050808
- form_type: 8-K
- ticker: ASMB
- cik: 0001426800
- company_name: ASSEMBLY BIOSCIENCES, INC.
- filed_at: 2023-09-29T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 3.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1426800/000095017023050808/0000950170-23-050808-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1426800/000095017023050808/asmb-20230927.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-050808
- JSON: https://secwatch.observer/filing/0000950170-23-050808.json
- Plain text: https://secwatch.observer/filing/0000950170-23-050808.txt

## Key facts
- Listing & Compliance Notices
  ASSEMBLY BIOSCIENCES, INC. received a nasdaq deficiency notice notice regarding minimum bid price (rules 5450(a)(1)).
  - Exchange: nasdaq
  - Notice: deficiency notice
  - Deficiency: minimum bid price
  - Rules: 5450(a)(1)
  source text: September 27, 2023, Assembly Biosciences, Inc. (the "Company") received a letter from the Listing Qualifications Department of the Nasdaq Stock Market ("Nasdaq") notifying the Company that, as the bid price for the Company's common stock, par value $0.001 per share (the "Common Stock"), had closed below $1.00 per share for the last 30 consecutive business days, the Company was not in compliance with Nasdaq Listing Rule 5450(a)(1), which is the minimum bid price requirement for continued listing on the Nasdaq Global Select Market. Nasdaq's notice has no immediate effect on the listing of the Co
  evidence_url: https://www.sec.gov/Archives/edgar/data/1426800/000095017023050808/0000950170-23-050808-index.htm

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