---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-102900"
form_type: "8-K"
ticker: "QTI"
cik: "0001844505"
company_name: "QT IMAGING HOLDINGS, INC."
filed_at: "2024-04-19T23:59:59+00:00"
generated_at: "2026-06-03T16:42:13.039700+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# QT Imaging subleases space/equipment to affiliate for $5,666/month; terminates MSA

## Summary
- Entered sublease with QT Imaging Center (John C. Klock, M.D.) for medical space and equipment at $5,666/month, one-year term with auto-renewal.
- Mutually terminated Management Services Agreement with same Practice effective April 1, 2024.
- Sublease includes exclusive use of specified equipment and space; Practice responsible for taxes and maintenance.

## SEC filing metadata
- accession: 0001193125-24-102900
- form_type: 8-K
- ticker: QTI
- cik: 0001844505
- company_name: QT IMAGING HOLDINGS, INC.
- filed_at: 2024-04-19T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 1.01, 1.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1844505/000119312524102900/0001193125-24-102900-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1844505/000119312524102900/d828543d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-102900
- JSON: https://secwatch.observer/filing/0001193125-24-102900.json
- Plain text: https://secwatch.observer/filing/0001193125-24-102900.txt

## Key facts
- Material Agreements
  QT IMAGING HOLDINGS, INC. entered into Space and Equipment Sublease with QT Imaging Center, a California sole proprietorship of John C. Klock, M.D. valued at $5,666 rental fee (effective 2024-04-17).
  - Action: entry
  - Agreement: lease
  - Counterparty: QT Imaging Center, a California sole proprietorship of John C. Klock, M.D.
  - Value: $5,666 rental fee
  - Effective: 2024-04-17
  source text: On April 17, 2024, QT Imaging Holdings, Inc., a Delaware Corporation (the “ Company ”), entered into a Space and Equipment Sublease Agreement (the “ Space and Equipment Sublease ”) with QT Imaging Center, a California sole proprietorship of John C. Klock, M.D. (the “ Practice ”), pursuant to which the Practice will sublease certain medical equipment and space, currently leased from Hamilton Landing Novato LLC by the Company, to the Practice for use in its operations, on a full-time and exclusive basis.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1844505/000119312524102900/0001193125-24-102900-index.htm
- Material Agreements
  QT IMAGING HOLDINGS, INC. terminated Management Services Agreement with QT Imaging Center, a California sole proprietorship of John C. Klock, M.D. (effective 2024-04-01).
  - Action: termination
  - Counterparty: QT Imaging Center, a California sole proprietorship of John C. Klock, M.D.
  - Effective: 2024-04-01
  source text: As previously disclosed as Exhibit 10.23 to the Company’s Registration Statement on Form S-4 filed with the Securities and Exchange Commission (the “ SEC ”) on February 7, 2023, QT Imaging, Inc. entered into a Management Services Agreement (the “ MSA ”) with the Practice, dated as of September 1, 2020, as amended by the First Amendment to the MSA, dated June 1, 2021, and the Second Amendment, dated September 21, 2021, pursuant to which the Practice was engaged to provide medical services to the Company and the Company was engaged to provide management services to the Practice. Notice of the parties’ mutual decision to terminate the MSA, in accordance with Section 5.2(c) thereof, was delivered on March 22, 2024 and acknowledged by the Practice on April 17, 2024 with an effective date of April 1, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1844505/000119312524102900/0001193125-24-102900-index.htm

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