---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-050824"
form_type: "8-K"
ticker: "QTI"
cik: "0001844505"
company_name: "QT IMAGING HOLDINGS, INC."
filed_at: "2023-02-27T23:59:59+00:00"
generated_at: "2026-06-19T00:01:08.544557+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# GigCapital5 receives $160K from sponsor to extend business combination deadline to March 28, 2023

## Summary
- Sponsor deposited $160,000 into trust account, increasing extension note to $960,000 total.
- Business combination deadline extended by one month to March 28, 2023.
- Sponsor also provided $350,000 working capital loan, increasing working capital note to $675,000.
- Working capital note is convertible at $10.00 per unit into private placement units upon business combination.
- GigCapital5 has a pending business combination with QT Imaging, Inc.

## SEC filing metadata
- accession: 0001193125-23-050824
- form_type: 8-K
- ticker: QTI
- cik: 0001844505
- company_name: QT IMAGING HOLDINGS, INC.
- filed_at: 2023-02-27T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 2.03, 3.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1844505/000119312523050824/0001193125-23-050824-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1844505/000119312523050824/d421148d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-050824
- JSON: https://secwatch.observer/filing/0001193125-23-050824.json
- Plain text: https://secwatch.observer/filing/0001193125-23-050824.txt

## Key facts
- Debt Financings
  QT IMAGING HOLDINGS, INC. amended debt of $675,000 with GigAcquisitions5, LLC at bear no interest maturing repayable in full upon the consummation of a business combination.
  - Principal: $675,000
  - Counterparty: GigAcquisitions5, LLC
  - Rate: bear no interest
  - Maturity: repayable in full upon the consummation of a business combination
  - Event: amendment
  source text: On February 27, 2023, the Company further amended and restated the Working Capital Note (the “Fifth Restated Working Capital Note”) to reflect an additional principal amount of $350,000 extended by the Sponsor to the Company for a collective principal amount under the Fifth Restated Working Capital Note of $675,000.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1844505/000119312523050824/0001193125-23-050824-index.htm
- Debt Financings
  QT IMAGING HOLDINGS, INC. amended debt of $960,000 with GigAcquisitions5, LLC at bear no interest maturing repayable in full upon the consummation of a business combination.
  - Principal: $960,000
  - Counterparty: GigAcquisitions5, LLC
  - Rate: bear no interest
  - Maturity: repayable in full upon the consummation of a business combination
  - Event: amendment
  source text: On February 27, 2023, the Company further amended and restated the Extension Note (the “Fifth Restated Extension Note”) to reflect an additional principal amount of $160,000 extended by the Sponsor to the Company for a collective principal amount under the Fifth Restated Extension Note of $960,000.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1844505/000119312523050824/0001193125-23-050824-index.htm

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