---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-046240"
form_type: "8-K"
ticker: "QTI"
cik: "0001844505"
company_name: "QT IMAGING HOLDINGS, INC."
filed_at: "2025-10-24T23:59:59+00:00"
generated_at: "2026-05-17T02:21:53.567332+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# QT Imaging implements 3:1 reverse stock split effective October 24, 2025

## Summary
- Reverse stock split at 3:1 ratio became market effective on October 24, 2025.
- Public warrants adjusted: each warrant now exercisable for 0.33333809 shares at $6.90 per share.
- No action required for book-entry or street-name stockholders; CST is exchange agent.
- Stockholders of record with certificates will receive letter of transmittal from CST.

## SEC filing metadata
- accession: 0001628280-25-046240
- form_type: 8-K
- ticker: QTI
- cik: 0001844505
- company_name: QT IMAGING HOLDINGS, INC.
- filed_at: 2025-10-24T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01, 99.1
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1844505/000162828025046240/0001628280-25-046240-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1844505/000162828025046240/qti-20251024.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-046240
- JSON: https://secwatch.observer/filing/0001628280-25-046240.json
- Plain text: https://secwatch.observer/filing/0001628280-25-046240.txt

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