---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-149500"
form_type: "8-K"
ticker: null
cik: "0001828522"
company_name: "eFFECTOR Therapeutics, Inc."
filed_at: "2023-05-19T23:59:59+00:00"
generated_at: "2026-06-14T20:02:16.178318+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# eFFECTOR receives Nasdaq notice for stockholders' deficit; faces delisting risk

## Summary
- Stockholders' deficit of $4.8M as of March 31, 2023; below $2.5M minimum required for continued listing.
- Company also fails alternative compliance standards based on market value of securities or net income.
- Must submit a plan to Nasdaq by July 3, 2023 to regain compliance; extension up to 180 days possible.
- No immediate effect on trading; if plan rejected or non-compliance continues, securities may be delisted.

## SEC filing metadata
- accession: 0001193125-23-149500
- form_type: 8-K
- cik: 0001828522
- company_name: eFFECTOR Therapeutics, Inc.
- filed_at: 2023-05-19T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 3.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1828522/000119312523149500/0001193125-23-149500-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1828522/000119312523149500/d504663d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-149500
- JSON: https://secwatch.observer/filing/0001193125-23-149500.json
- Plain text: https://secwatch.observer/filing/0001193125-23-149500.txt

## Key facts
- Listing & Compliance Notices
  eFFECTOR Therapeutics, Inc. received a nasdaq deficiency notice notice regarding stockholders equity (rules 5550(b)(1)).
  - Exchange: nasdaq
  - Notice: deficiency notice
  - Deficiency: stockholders equity
  - Rules: 5550(b)(1)
  source text: May 17, 2023, eFFECTOR Therapeutics, Inc. (the “Company”) received written notice from the Listing Qualifications Department of The Nasdaq Stock Market LLC (“Nasdaq”) indicating that, based on the Company’s stockholders’ deficit of $4.8 million as of March 31, 2023, as reported in the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2023, it is not in compliance with the minimum stockholders’ equity requirement for continued listing on the Nasdaq Capital Market under Nasdaq Listing Rule 5550(b)(1), which requires listed companies to maintain stockholders’ equity of at le
  evidence_url: https://www.sec.gov/Archives/edgar/data/1828522/000119312523149500/0001193125-23-149500-index.htm

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