---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-037242"
form_type: "8-K"
ticker: "QTI"
cik: "0001844505"
company_name: "QT IMAGING HOLDINGS, INC."
filed_at: "2026-05-21T20:06:04+00:00"
generated_at: "2026-05-21T22:25:15.681335+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# QT Imaging closes $10M public offering of 1.2M shares and pre-funded warrants

## Summary
- Offered 1,200,000 shares at $5.00/share and 800,000 pre-funded warrants at $4.9999; gross proceeds $10M, net ~$9M.
- Closing on May 18, 2026; proceeds for working capital and general corporate purposes.
- Lock-up agreements with officers, directors, and certain stockholders for 90 days.
- Underwriters include Ladenburg Thalmann (bookrunner) and Northland Capital Markets (co-manager).

## SEC filing metadata
- accession: 0001628280-26-037242
- form_type: 8-K
- ticker: QTI
- cik: 0001844505
- company_name: QT IMAGING HOLDINGS, INC.
- filed_at: 2026-05-21T20:06:04+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 7.01, 8.01, 9.01, 1.1
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1844505/000162828026037242/0001628280-26-037242-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1844505/000162828026037242/form2026x05x21offeringclose.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-037242
- JSON: https://secwatch.observer/filing/0001628280-26-037242.json
- Plain text: https://secwatch.observer/filing/0001628280-26-037242.txt

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