---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-122475"
form_type: "8-K"
ticker: "QTI"
cik: "0001844505"
company_name: "QT IMAGING HOLDINGS, INC."
filed_at: "2023-04-27T23:59:59+00:00"
generated_at: "2026-06-16T09:23:07.614703+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# GigCapital5 Amends Promissory Notes, Extends Business Combination Deadline to May 28, 2023

## Summary
- Received $100,000 from sponsor to extend business combination period, increasing extension note to $1,160,000.
- Received additional $65,000 working capital loan from sponsor, bringing working capital note to $870,000.
- Business combination deadline extended to May 28, 2023, following March stockholder approval.
- Working capital note convertible at $10.00 per unit into private placement units upon business combination.

## SEC filing metadata
- accession: 0001193125-23-122475
- form_type: 8-K
- ticker: QTI
- cik: 0001844505
- company_name: QT IMAGING HOLDINGS, INC.
- filed_at: 2023-04-27T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1844505/000119312523122475/0001193125-23-122475-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1844505/000119312523122475/d489101d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-122475
- JSON: https://secwatch.observer/filing/0001193125-23-122475.json
- Plain text: https://secwatch.observer/filing/0001193125-23-122475.txt

## Key facts
- Debt Financings
  QT IMAGING HOLDINGS, INC. incurred debt of $1,160,000 with GigAcquisitions5, LLC at bear no interest maturing upon the consummation of a business combination.
  - Principal: $1,160,000
  - Counterparty: GigAcquisitions5, LLC
  - Rate: bear no interest
  - Maturity: upon the consummation of a business combination
  - Event: incurrence
  source text: the Company further amended and restated the Extension Note (the “Seventh 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 Seventh Restated Extension Note of $1,160,000.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1844505/000119312523122475/0001193125-23-122475-index.htm
- Debt Financings
  QT IMAGING HOLDINGS, INC. incurred convertible notes of $870,000 with GigAcquisitions5, LLC at bear no interest maturing upon the consummation of a business combination.
  - Instrument: convertible notes
  - Principal: $870,000
  - Counterparty: GigAcquisitions5, LLC
  - Rate: bear no interest
  - Maturity: upon the consummation of a business combination
  - Event: incurrence
  source text: the Company further amended and restated the Working Capital Note (the “Seventh 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 Seventh Restated Working Capital Note of $870,000.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1844505/000119312523122475/0001193125-23-122475-index.htm

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