---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-193533"
form_type: "8-K"
ticker: "QTI"
cik: "0001844505"
company_name: "QT IMAGING HOLDINGS, INC."
filed_at: "2023-07-25T23:59:59+00:00"
generated_at: "2026-06-13T03:21:53.058468+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# GigCapital5 extends business combination deadline to August 28, 2023; receives $165k in sponsor loans

## Summary
- $100k deposited into trust to extend business combination deadline by one month to August 28, 2023.
- Extension note principal increased to $1.46M; non-interest bearing, repayable upon consummation.
- Working capital loan of $65k added, note total $1.065M, convertible at sponsor's election into units at $10/unit.
- Both promissory notes are interest-free and due upon initial business combination.
- If converted, up to 106,500 private placement units would be issued (1 share + 1 warrant each).

## SEC filing metadata
- accession: 0001193125-23-193533
- form_type: 8-K
- ticker: QTI
- cik: 0001844505
- company_name: QT IMAGING HOLDINGS, INC.
- filed_at: 2023-07-25T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1844505/000119312523193533/0001193125-23-193533-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1844505/000119312523193533/d507602d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-193533
- JSON: https://secwatch.observer/filing/0001193125-23-193533.json
- Plain text: https://secwatch.observer/filing/0001193125-23-193533.txt

## Key facts
- Debt Financings
  QT IMAGING HOLDINGS, INC. amended loan of $1,460,000 with GigAcquisitions5, LLC at no interest maturing upon the consummation of a business combination.
  - Instrument: loan
  - Principal: $1,460,000
  - Counterparty: GigAcquisitions5, LLC
  - Rate: no interest
  - Maturity: upon the consummation of a business combination
  - Event: amendment
  source text: On July 25, 2023, the Company further amended and restated the Extension Note (the “Tenth Restated Extension Note”) to reflect an additional principal amount of $100,000 extended by the Sponsor to the Company for a collective principal amount under the Tenth Restated Extension Note of $1,460,000.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1844505/000119312523193533/0001193125-23-193533-index.htm
- Debt Financings
  QT IMAGING HOLDINGS, INC. amended convertible notes of $1,065,000 with GigAcquisitions5, LLC at no interest maturing upon the consummation of a business combination.
  - Instrument: convertible notes
  - Principal: $1,065,000
  - Counterparty: GigAcquisitions5, LLC
  - Rate: no interest
  - Maturity: upon the consummation of a business combination
  - Event: amendment
  source text: On July 25, 2023, the Company further amended and restated the Working Capital Note (the “Ninth Restated Working Capital Note”) to reflect an additional principal amount of $65,000 extended by the Sponsor to the Company for a collective principal amount under the Ninth Restated Working Capital Note of $1,065,000.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1844505/000119312523193533/0001193125-23-193533-index.htm

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