---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-016040"
form_type: "8-K"
ticker: "SYBX"
cik: "0001527599"
company_name: "SYNLOGIC, INC."
filed_at: "2026-01-20T23:59:59+00:00"
generated_at: "2026-05-16T09:32:14.634192+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Synlogic withdraws Nasdaq hearing; shares suspended Jan 21, will move to OTC Markets

## Summary
- Synlogic withdrew its Nasdaq hearing request on Jan 16, 2026, after being deemed a public shell.
- Nasdaq will suspend trading of SYBX common stock at open of business on January 21, 2026.
- Company expects shares to be quoted on OTC Markets Group; remains an SEC reporting company.
- Business operations expected unaffected by the delisting; no financial impact disclosed.

## SEC filing metadata
- accession: 0001193125-26-016040
- form_type: 8-K
- ticker: SYBX
- cik: 0001527599
- company_name: SYNLOGIC, INC.
- filed_at: 2026-01-20T23:59:59+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/1527599/000119312526016040/0001193125-26-016040-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1527599/000119312526016040/sybx-20260116.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-016040
- JSON: https://secwatch.observer/filing/0001193125-26-016040.json
- Plain text: https://secwatch.observer/filing/0001193125-26-016040.txt

## Source-grounded claims
- claim_id: f3a4dc0018b82fc5734839b00913fa18413f8f2e
  claim: SYNLOGIC, INC. received a nasdaq delisting notice notice regarding other.
  evidence_excerpt: January 16, 2026. As a result, on January 16, 2026, the Company received notice from Nasdaq that its shares will be suspended at the open of business on January 21, 2026. Nasdaq is expected to file a Form 25 Notification of Delisting with the Securities Exchange Commission when all internal procedural periods have run. The Company expects and plans for its shares of common stock to be quoted by the OTC Markets Group, Inc. (“OTC”) upon being delisted from Nasdaq. The Company will continue to remain a reporting company under the Securities Exchange Act of 1934, as amended, and the transition to
  evidence_url: https://www.sec.gov/Archives/edgar/data/1527599/000119312526016040/0001193125-26-016040-index.htm

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