---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-222653"
form_type: "8-K"
ticker: "QTI"
cik: "0001844505"
company_name: "QT IMAGING HOLDINGS, INC."
filed_at: "2023-08-28T23:59:59+00:00"
generated_at: "2026-06-11T03:04:56.789682+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# GigCapital5 extends business combination deadline to Sept 28 with $100k sponsor loan

## Summary
- Sponsor advanced $100k additional loan; aggregate promissory note principal now $1,560,000.
- Deadline to consummate a business combination extended one month to September 28, 2023.
- Loan is non-convertible, unsecured, interest-free, repayable upon closing of combination.

## SEC filing metadata
- accession: 0001193125-23-222653
- form_type: 8-K
- ticker: QTI
- cik: 0001844505
- company_name: QT IMAGING HOLDINGS, INC.
- filed_at: 2023-08-28T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1844505/000119312523222653/0001193125-23-222653-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1844505/000119312523222653/d693665d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-222653
- JSON: https://secwatch.observer/filing/0001193125-23-222653.json
- Plain text: https://secwatch.observer/filing/0001193125-23-222653.txt

## Key facts
- Debt Financings
  QT IMAGING HOLDINGS, INC. incurred debt of $100,000 additional principal, aggregate principal $1,560,000 with GigAcquisitions5, LLC at no interest maturing repayable in full upon consummation of a business combination.
  - Principal: $100,000 additional principal, aggregate principal $1,560,000
  - Counterparty: GigAcquisitions5, LLC
  - Rate: no interest
  - Maturity: repayable in full upon consummation of a business combination
  - Event: incurrence
  source text: On August 28, 2023, the Company further amended and restated the Extension Note (the “Eleventh 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 Eleventh Restated Extension Note of $1,560,000.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1844505/000119312523222653/0001193125-23-222653-index.htm

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