---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-175243"
form_type: "8-K"
ticker: "QTI"
cik: "0001844505"
company_name: "QT IMAGING HOLDINGS, INC."
filed_at: "2023-06-26T23:59:59+00:00"
generated_at: "2026-06-13T17:15:46.741493+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# GigCapital5 extends business combination deadline to July 28, 2023 with $100K sponsor loan

## Summary
- Sponsor deposited $100,000 into trust to extend deadline by one month to July 28, 2023.
- Aggregate principal under extension note increased to $1,360,000; repaid upon business combination.
- Additional $130,000 working capital loan from sponsor; total working capital note now $1,000,000.
- Working capital note convertible at $10/unit into private-placement-like units at sponsor's election upon business combination.
- Both notes are non-interest bearing and repayable upon consummation of initial business combination.

## SEC filing metadata
- accession: 0001193125-23-175243
- form_type: 8-K
- ticker: QTI
- cik: 0001844505
- company_name: QT IMAGING HOLDINGS, INC.
- filed_at: 2023-06-26T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1844505/000119312523175243/0001193125-23-175243-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1844505/000119312523175243/d500788d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-175243
- JSON: https://secwatch.observer/filing/0001193125-23-175243.json
- Plain text: https://secwatch.observer/filing/0001193125-23-175243.txt

## Key facts
- Debt Financings
  QT IMAGING HOLDINGS, INC. incurred convertible notes of $1,000,000 with GigAcquisitions5, LLC at no interest maturing upon the consummation of a business combination.
  - Instrument: convertible notes
  - Principal: $1,000,000
  - Counterparty: GigAcquisitions5, LLC
  - Rate: no interest
  - Maturity: upon the consummation of a business combination
  - Event: incurrence
  source text: On June 26, 2023, the Company further amended and restated the Working Capital Note (the “Eighth Restated Working Capital Note”) to reflect an additional principal amount of $130,000 extended by the Sponsor to the Company for a collective principal amount under the Eighth Restated Working Capital Note of $1,000,000.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1844505/000119312523175243/0001193125-23-175243-index.htm
- Debt Financings
  QT IMAGING HOLDINGS, INC. incurred debt of $1,360,000 with GigAcquisitions5, LLC at no interest maturing upon the consummation of a business combination.
  - Principal: $1,360,000
  - Counterparty: GigAcquisitions5, LLC
  - Rate: no interest
  - Maturity: upon the consummation of a business combination
  - Event: incurrence
  source text: On June 26, 2023, the Company further amended and restated the Extension Note (the “Ninth 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 Ninth Restated Extension Note of $1,360,000.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1844505/000119312523175243/0001193125-23-175243-index.htm

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