---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-046110"
form_type: "8-K"
ticker: "QTI"
cik: "0001844505"
company_name: "QT IMAGING HOLDINGS, INC."
filed_at: "2025-10-23T23:59:59+00:00"
generated_at: "2026-05-17T02:33:33.046766+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# QT Imaging Holdings effects 3:1 reverse stock split effective October 23, 2025

## Summary
- Reverse stock split at 3:1 ratio effective 4:01 p.m. ET on October 23, 2025.
- Certificate of Amendment filed with Delaware Secretary of State on October 23.
- Common stock to trade on OTCQB on split-adjusted basis starting October 24.
- Board set the 3:1 ratio on October 17; stockholders had authorized range of 2:1 to 20:1.

## SEC filing metadata
- accession: 0001628280-25-046110
- form_type: 8-K
- ticker: QTI
- cik: 0001844505
- company_name: QT IMAGING HOLDINGS, INC.
- filed_at: 2025-10-23T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 3.03, 5.03, 9.01, 3.1
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1844505/000162828025046110/0001628280-25-046110-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1844505/000162828025046110/qti-20251023.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-046110
- JSON: https://secwatch.observer/filing/0001628280-25-046110.json
- Plain text: https://secwatch.observer/filing/0001628280-25-046110.txt

## Key facts
- Governance Changes
  QT IMAGING HOLDINGS, INC.: Filed Certificate of Amendment to effect a 3:1 reverse stock split of common stock, effective as of 4:01 p.m. Eastern Time on October 23, 2025 (effective 2025-10-23).
  - Change: charter amendment
  - Effective: 2025-10-23
  source text: On October 23, 2025, the Company filed the Certificate of Amendment effectuating the Reverse Stock Split with the Secretary of State of the State of Delaware, effective as of 4:01 p.m., Eastern Time, on October 23, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1844505/000162828025046110/0001628280-25-046110-index.htm

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