Every 424B that QT Imaging Holdings (QTIH) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 424B covers the supplement that carries the terms of a priced offering, so if you follow QTIH and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full QTIH filings page.
QT Imaging Holdings is offering $9,999,920 of securities consisting of 1,200,000 shares of common stock and pre-funded warrants to purchase up to 800,000 shares of common stock.
The public offering price is $5.00 per share (pre-funded warrant price equals share price minus $0.0001). Underwriting discounts total $699,994.40, and estimated net proceeds to the company are approximately $9.0 million before expenses. The company reported 12,042,500 shares outstanding as of May 14, 2026, and would have approximately 13,242,500 shares outstanding after the offering assuming none of the pre-funded warrants are exercised.
QT Imaging Holdings, Inc. updates its S-1 covering 29,336,017 shares of common stock by incorporating three recent developments. The company signed an exclusive distribution agreement with Al Naghi Medical Co. to market and sell its breast imaging scanners and cloud platform in the United Arab Emirates through January 19, 2029, subject to minimum purchase requirements. It completed a January 2026 private placement with its board chairman, issuing 24,107 shares at $6.43 plus a 10‑year warrant for up to 48,214 additional shares, raising about $155,002 for working capital and granting registration rights. Pro forma information also reflects an earlier October 2025 private placement of about $18.18 million and repayment of about $5.36 million of debt and related amounts. In addition, Nasdaq approved the company’s common stock for listing on the Nasdaq Capital Market under the symbol “QTI”, with trading expected to begin on January 28, 2026.
QT Imaging Holdings, Inc. is registering 29,336,017 shares of common stock for resale by existing securityholders. These shares include 2,562,334 already issued shares and 26,773,683 shares issuable upon exercise of various five-year, ten-year and pre‑funded warrants.
The company will not receive proceeds from resales, but would receive cash if warrants are exercised. As of December 26, 2025, 11,902,198 shares were outstanding, which would rise to 38,667,630 shares if all registered warrants are exercised for cash. The shares stem from prior private placements that raised about $18.9 million and from a senior secured term loan and warrant package with Lynrock Lake totaling $15.1 million in principal.
QT Imaging develops low‑energy sound breast imaging technology, led by its QT Breast Scanner and QTviewer software, and has distribution and manufacturing agreements with Canon-related entities and partners in the U.S. and Saudi Arabia. The prospectus highlights substantial historical losses, significant future capital needs, potential stock overhang from large registered resales, and numerous operational and regulatory risks.