Qt Imaging Holdings, INC Schedule 13D activist filings

Filed when an investor crosses five percent and intends to influence the company — the activist disclosure.

NASDAQ
Dr. Raluca Dinu, CEO of QT Imaging Holdings, Inc., has filed an amended Schedule 13D, revealing a beneficial ownership of 7.0% of the company's common stock for investment purposes.
NASDAQ
Dr. Avi S. Katz, a board member of QT Imaging Holdings, Inc., has updated his beneficial ownership stake to 6.2% of the company's common stock, primarily for investment purposes.
NASDAQ
Dr. Raluca Dinu, CEO of QT Imaging Holdings, Inc., has filed a Schedule 13D disclosing beneficial ownership of 1,543,676 shares, representing 5.4% of the company's common stock.
NASDAQ
Dr. Avi S. Katz and GigAcquisitions5, LLC have reported ceasing to be beneficial owners of more than five percent of QT Imaging Holdings, Inc.'s Common Stock as of March 21, 2025.