QT IMAGING HOLDINGS, INC. (QTI) IPO - S-1 Filing, Stock & Insider Activity
QT IMAGING HOLDINGS, INC. IPO - Status & S-1 Filing
- Ticker: QTI
- Status: Registered - S-1 filed with the SEC
- S-1 filed: 2025-12-29
- Expected price range: not yet disclosed (set in a later S-1/A or pricing amendment)
- SEC CIK: 0001844505 · View the S-1 on SEC EDGAR →
QT IMAGING HOLDINGS, INC. is pre-IPO, so no insider Form 4 transactions have been filed yet. Once insiders begin reporting trades after the offering, they will appear on this page automatically.
Track every registration update on the InsiderAlpha IPO tracker.
Last SEC filing
QT IMAGING HOLDINGS, INC. (QTI) - no SEC Form 4 insider filings recorded in the last 90 days. 3 Form 8-K material event filings were reported by QTI in the last 90 days. InsiderAlpha tracks every QTI SEC filing - Form 4, Form 144, and 8-K - in real time, including Rule 10b5-1 plan detection.
About QT IMAGING HOLDINGS, INC. (QTI)
QT IMAGING HOLDINGS, INC. trades under the ticker QTI. InsiderAlpha tracks 24 primary SEC Form 4 filings from 9 reporting insiders for QTI since 2024, sourced directly from SEC EDGAR.
| Sector | Health Care insider trading |
|---|---|
| SIC classification | Electromedical & Electrotherapeutic Apparatus (SIC 3845) |
| SEC CIK | 0001844505 |
90-Day SEC Filing Activity
| Form 8-K filings (90d) | 3 |
|---|---|
| Latest Form 4 filing | 2026-03-25 |
Recent QTI Insider Transactions (Form 4)
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| John C. Klock Jr. | Director | A - Grant or award | 3.5K | $0.00 | - | SEC | |
| Raluca Dinu | Chief Executive Officer | A - Grant or award | 500.0K | $0.00 | - | SEC | |
| Raluca Dinu | Chief Executive Officer | A - Grant or award | 16.0K | $0.00 | - | SEC | |
| Avi S. Katz | Chairman | A - Grant or award | 3.5K | $0.00 | - | SEC | |
| Daniel H. Dickson | Director | A - Grant or award | 3.5K | $0.00 | - | SEC | |
| James S. Greene | Director | A - Grant or award | 3.5K | $0.00 | - | SEC | |
| Jay Walter Jennings | Chief Financial Officer | A - Grant or award | 2.8K | $0.00 | - | SEC | |
| Raluca Dinu | Chief Executive Officer | A - Grant or award | 3.5K | $0.00 | - | SEC | |
| Ross Taylor | Director | A - Grant or award | 3.5K | $0.00 | - | SEC | |
| Zeev Weiner | Director | A - Grant or award | 3.5K | $0.00 | - | SEC | |
| Zeev Weiner | Director | M - Option exercise | 14.2K | $2.00 | $28K | SEC | |
| Zeev Weiner | Director | M - Option exercise | 8.9K | $2.25 | $20K | SEC | |
| Avi S. Katz | CHAIRMAN | P - Open-market purchase | 24.1K | $6.43 | $155K | SEC | |
| Avi S. Katz | Chairman | P - Open-market purchase | 470.9K | $0.58 | $275K | SEC | |
| Raluca Dinu | Chief Executive Officer | P - Open-market purchase | 470.9K | $0.00 | - | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for QT IMAGING HOLDINGS, INC. (QTI). Updated in real time as new filings are submitted to the SEC.
Recent QTI Form 8-K Material Events
- - Item 5.07, 8.01, 9.01 [SEC]
- - Item 1.01, 7.01, 8.01, 9.01 [SEC]
- - Item 2.02, 8.01, 9.01 [SEC]
- - Item 5.02 · Leadership · neutral [SEC]
QT Imaging Holdings' Board approved a base salary increase for CEO Dr. Raluca Dinu from $550,000 to $605,000 annually, effective March 20, 2026, along with cash bonuses for the CEO ($231,993) and CFO ($40,576), and a significant RSU grant to the CEO. These are routine compensator - - Item 2.02, 8.01, 9.01 · Earnings · neutral [SEC]
QT Imaging Holdings announced financial results for fiscal year 2025 and Q4 2025 ended December 31, 2025. The filing provides standard earnings reporting without explicit beat/miss or guidance language.
Recent Insider Filings
- - Ross Taylor (Director)
- - Zeev Weiner (Director)
- - James S. Greene (Director)
- - Jay Walter Jennings (Chief Financial Officer)
- - John C. Klock Jr. (Director)
Form 4 Transaction Code Reference
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in QTI insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
QTI Insider Trading - FAQ
- What is the latest insider trade for QTI?
- QT IMAGING HOLDINGS, INC. (QTI) had 0 insider filings in the last 90 days, with the most recent on 2026-03-25. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
- How many insiders are buying QTI stock?
- 0 insider purchases of QTI were filed in the last 90 days.
- How many insiders are selling QTI stock?
- 0 insider sales of QTI were filed in the last 90 days.
- Where can I see QTI SEC filings (Form 4, 10-K, 10-Q, 8-K)?
- This page tracks QTI Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Learn More
- What is SEC Form 4?
- How to read insider buying signals
- Rule 10b5-1 trading plans explained
- The cluster buying signal
Open the live QTI dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.