QT Imaging Holdings, Inc., trading under the ticker GIA, is a healthcare technology company focused on advanced medical imaging solutions, specifically quantitative transmission ultrasound systems for breast health diagnostics. The company entered public markets through a SPAC structure and filed an amended quarterly report, Form 10-Q/A, with the SEC on January 19, 2022, reflecting a 2021-era SPAC transaction. The filing reflects the company's status as a combined post-merger entity operating within the medical devices and health technology sector. As a de-SPAC operating company, QT Imaging Holdings represents the broader trend of health-tech innovators accessing capital markets via blank-check vehicles. Visit SpacDesk and sign up for full data, filings history, and sponsor analytics on GIA and hundreds of other SPAC transactions.