---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-302292"
form_type: "8-K"
ticker: "QTI"
cik: "0001844505"
company_name: "QT IMAGING HOLDINGS, INC."
filed_at: "2022-12-12T23:59:59+00:00"
generated_at: "2026-06-21T06:22:12.832598+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# GigCapital5 (GIA) signs $151M merger agreement with QT Imaging; earnout up to 9M shares

## Summary
- Business Combination Agreement signed Dec 8, 2022; QT Imaging to merge into a subsidiary and become wholly owned.
- Base consideration $151M, adjusted for cash, debt, expenses; per-share value tied to $10.00 reference price.
- Up to 9M earnout shares tied to FDA clearance, revenue milestones ($4.4M, $17.1M, $67M), and $15 stock price trigger.
- Post-closing board: 7 directors (3 from GigCapital5, 4 from QT Imaging); classified structure with chairman from GigCapital5.
- Combined company will be renamed QT Imaging Holdings, Inc.; shares to be listed on NYSE or Nasdaq.

## SEC filing metadata
- accession: 0001193125-22-302292
- form_type: 8-K
- ticker: QTI
- cik: 0001844505
- company_name: QT IMAGING HOLDINGS, INC.
- filed_at: 2022-12-12T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1844505/000119312522302292/0001193125-22-302292-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1844505/000119312522302292/d376793d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-302292
- JSON: https://secwatch.observer/filing/0001193125-22-302292.json
- Plain text: https://secwatch.observer/filing/0001193125-22-302292.txt

## Key facts
- Material Agreements
  QT IMAGING HOLDINGS, INC. entered into Business Combination Agreement with GigCapital5, Inc., QTI Merger Sub, Inc., and QT Imaging, Inc. (effective 2022-12-08).
  - Action: entry
  - Agreement: merger
  - Counterparty: GigCapital5, Inc., QTI Merger Sub, Inc., and QT Imaging, Inc.
  - Effective: 2022-12-08
  source text: On December 12, 2022, GigCapital5, Inc., a Delaware corporation (“ GigCapital5 ”), announced that it executed a Business Combination Agreement (the “ Business Combination Agreement ”), dated as of December 8, 2022, with QTI Merger Sub, Inc., a Delaware corporation and wholly owned subsidiary of GigCapital5 (“ Merger Sub ”), and QT Imaging, Inc., a Delaware corporation (“ QT Imaging ”)
  evidence_url: https://www.sec.gov/Archives/edgar/data/1844505/000119312522302292/0001193125-22-302292-index.htm

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