---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-254974"
form_type: "8-K"
ticker: null
cik: "0001492674"
company_name: "T2 Biosystems, Inc."
filed_at: "2023-10-12T23:59:59+00:00"
generated_at: "2026-06-10T00:39:27.443357+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# T2 Biosystems implements 1-for-100 reverse stock split; trading begins Oct 13

## Summary
- Reverse split ratio of 1-for-100 approved by Board on Oct 10, 2023.
- Amendment filed with Delaware Secretary of State on Oct 12, 2023; effective same date.
- Common stock will trade on Nasdaq on split-adjusted basis on Oct 13, 2023 under ticker TTOO.
- No fractional shares; cash payment based on Oct 12 closing price for fractional interests.
- New CUSIP number is 89853L 302.

## SEC filing metadata
- accession: 0001193125-23-254974
- form_type: 8-K
- cik: 0001492674
- company_name: T2 Biosystems, Inc.
- filed_at: 2023-10-12T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 3.03, 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1492674/000119312523254974/0001193125-23-254974-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1492674/000119312523254974/d468619d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-254974
- JSON: https://secwatch.observer/filing/0001193125-23-254974.json
- Plain text: https://secwatch.observer/filing/0001193125-23-254974.txt

## Key facts
- Governance Changes
  T2 Biosystems, Inc.: Filed a certificate of amendment to the Certificate of Incorporation to effect a 1-for-100 reverse stock split, approved by the Board on October 10, 2023 (effective 2023-10-12).
  - Change: charter amendment
  - Effective: 2023-10-12
  source text: On October 12, 2023, the Company filed a certificate of amendment to the Certificate of Incorporation (the “Amendment”) with the Office of the Secretary of State of the State of Delaware to effect the Reverse Stock Split
  evidence_url: https://www.sec.gov/Archives/edgar/data/1492674/000119312523254974/0001193125-23-254974-index.htm

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