---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-100775"
form_type: "8-K"
ticker: null
cik: "0001532346"
company_name: "Atreca, Inc."
filed_at: "2023-09-14T23:59:59+00:00"
generated_at: "2026-06-10T17:33:47.504524+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Atreca (BCEL) receives Nasdaq deficiency notice for bid price below $1.00; has 180 days to regain compliance

## Summary
- On Sep 7, 2023, average closing price of Class A common stock fell below $1.00 for 30 consecutive days, violating Nasdaq Listing Rule 5450(a)(1).
- Company has 180-day grace period until March 6, 2024, to close at $1.00 or higher for at least 10 consecutive business days.
- If not compliant by March 6, 2024, may qualify for an additional 180-day period by meeting other listing standards and indicating intent to effect a reverse stock split.
- No immediate effect on trading; stock continues to trade on Nasdaq under symbol BCEL.

## SEC filing metadata
- accession: 0001104659-23-100775
- form_type: 8-K
- cik: 0001532346
- company_name: Atreca, Inc.
- filed_at: 2023-09-14T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 3.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1532346/000110465923100775/0001104659-23-100775-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1532346/000110465923100775/tm2326135d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-100775
- JSON: https://secwatch.observer/filing/0001104659-23-100775.json
- Plain text: https://secwatch.observer/filing/0001104659-23-100775.txt

## Key facts
- Listing & Compliance Notices
  Atreca, Inc. received a nasdaq deficiency notice notice regarding minimum bid price (rules 5450(a)(1), 5810(c)(3)(A)).
  - Exchange: nasdaq
  - Notice: deficiency notice
  - Deficiency: minimum bid price
  - Rules: 5450(a)(1), 5810(c)(3)(A)
  source text: September 8, 2023, Atreca, Inc. (the “ Company ”) received notice from The Nasdaq Stock Market LLC (“ Nasdaq ”) notifying it that on September 7, 2023, the average closing price of the Company’s Class A common stock, $0.0001 par value per share (the “ Class A Common Stock ”), over the prior 30 consecutive trading days had fallen below $1.00 per share, which is the minimum average closing price required to maintain listing on Nasdaq under Nasdaq Listing Rule 5450(a)(1) (the “ Minimum Bid Requirement ”). In accordance with Nasdaq Listing Rule 5810(c)(3)(A), the Company has 180 calendar days to r
  evidence_url: https://www.sec.gov/Archives/edgar/data/1532346/000110465923100775/0001104659-23-100775-index.htm

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