QT Imaging Holdings, Inc.
QTI- Exchange
- Nasdaq
- Industry
- Electromedical & Electrotherapeutic Apparatus
- SEC CIK
- 0001844505
No open-market purchases or sales by QT Imaging Holdings, Inc. insiders were filed in the last 90 days; 29 institutions reported holding it in 13F filings for Q2 2026, worth $13.3M in total; no superinvestor holds it.
Other share classesQTIWW
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by QT Imaging Holdings, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for QT Imaging Holdings, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Dinu Raluca | Chief Executive Officer | 1,393,066 | Aug 31, 2026 | 2 |
| Taylor Ross | Director | 60,578 | Aug 27, 2026 | 2 |
| Timm Bryan | Director | 9,000 | Aug 6, 2026 | 1 |
| Klock John C Jr | Director, 10% Owner | 3,500 | Mar 24, 2026 | 1 |
| Greene James S | Director | 3,500 | Mar 24, 2026 | 1 |
| Katz Avi S | Chairman | 416,952 | Mar 24, 2026 | 2 |
| Jennings Jay Walter | Chief Financial Officer | 2,800 | Mar 24, 2026 | 1 |
| Dickson Daniel | Director | 32,039 | Mar 24, 2026 | 1 |
| Weiner Zeev | Director | 55,093 | Mar 24, 2026 | 1 |
| Budagov Stas | Chief Financial Officer | – | Sep 2, 2025 | 0 |
| GigAcquisitions5, LLC | 10% Owner | 775,571 | Mar 25, 2025 | 0 |
| McMorrow Gerald | Director | 5,904 | Apr 3, 2024 | 0 |
| Hayes Dorothy D | Director | – | Mar 6, 2024 | 0 |
| Rogge Karen M | Director | – | Mar 6, 2024 | 0 |
| Weightman Walter Bradford | Chief Financial Officer | – | Mar 6, 2024 | 0 |
| Horowitz Raanan | Director | – | Mar 6, 2024 | 0 |
| Makhija Sharmila | Director | – | Mar 6, 2024 | 0 |
| Polar Asset Management Partners Inc. | 10% Owner | 797,620Indirect | Mar 28, 2023 | 0 |
| Miotto Neil | Director | – | Jan 4, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jan 23, 2026 (view filing) | Jan 22 | 1 day | Katz Avi SCHAIRMAN | PPurchase | +24.1K | $6.43 | +$155.0K | +6.2%413.5K after | |
| Jan 23, 2026 (view filing) | Jan 22 | 1 day | Katz Avi SCHAIRMAN | PPurchase | +48.2K | $0.00 | $0 | –48.2K after | Derivative |
| Apr 10, 2025 (view filing) | Apr 9 | 1 day | Katz Avi SChairman | PPurchase | +392.5K | $0.64 | +$251.2K | +50.6%1.17M after | |
| Apr 10, 2025 (view filing) | Apr 9 | 1 day | Katz Avi SChairman | PPurchase | +784.9K | $0.00 | $0 | –784.9K after | Derivative |
| Apr 10, 2025 (view filing) | Apr 9 | 1 day | Dinu RalucaChief Executive Officer | PPurchase | +392.5K | $0.64 | +$251.2K | +50.6%1.17M after | |
| Apr 10, 2025 (view filing) | Apr 9 | 1 day | Dinu RalucaChief Executive Officer | PPurchase | +784.9K | $0.00 | $0 | –784.9K after | Derivative |
| Mar 25, 2025 (view filing)4:32 PM ET | Mar 21 | 4 days | Katz Avi S and 1 otherChairman | PPurchase | −2.67M | $0.584 | −$1.56M | −100.0%0 after | |
| Mar 25, 2025 (view filing)4:32 PM ET | Mar 21 | 4 days | Katz Avi S and 1 otherChairman | PPurchase | +117.6K | $0.584 | +$68.7K | +17.9%775.6K after | |
| Mar 25, 2025 (view filing)4:32 PM ET | Mar 21 | 4 days | Katz Avi S and 1 otherChairman | PPurchase | −2.67M | $0.672 | −$1.80M | –0 after | Derivative |
| Mar 25, 2025 (view filing)4:32 PM ET | Mar 21 | 4 days | Katz Avi S and 1 otherChairman | PPurchase | +75.4K | $0.672 | +$50.7K | –571.4K after | Derivative |
| Mar 25, 2025 (view filing) | Mar 21 | 4 days | Dinu RalucaChief Executive Officer | PPurchase | +117.6K | $0.00 | $0 | +17.9%775.6K after | |
| Mar 25, 2025 (view filing) | Mar 21 | 4 days | Dinu RalucaChief Executive Officer | PPurchase | +75.4K | $0.67 | +$50.5K | –546.3K after | Derivative |
| Nov 14, 2024 (view filing)9:03 PM ET | Nov 12 | 2 days | Katz Avi S and 1 otherChairman | PPurchase | +2.67M | $0.584 | +$1.56M | New position2.67M after | |
| Nov 14, 2024 (view filing)9:03 PM ET | Nov 12 | 2 days | Katz Avi S and 1 otherChairman | PPurchase | +470.9K | $0.584 | +$275.0K | +251.7%658.0K after | |
| Nov 14, 2024 (view filing)9:03 PM ET | Nov 12 | 2 days | Katz Avi S and 1 otherChairman | PPurchase | +2.67M | $0.672 | +$1.80M | –2.67M after | Derivative |
| Nov 14, 2024 (view filing)9:03 PM ET | Nov 12 | 2 days | Katz Avi S and 1 otherChairman | PPurchase | +470.9K | $0.672 | +$316.4K | –470.9K after | Derivative |
| Nov 14, 2024 (view filing) | Nov 12 | 2 days | Greene James SDirector | PPurchase | +428.1K | $0.58 | +$248.3K | +214.0%628.1K after | |
| Nov 14, 2024 (view filing) | Nov 12 | 2 days | Greene James SDirector | PPurchase | +428.1K | $0.67 | +$286.8K | –428.1K after | Derivative |
| Nov 14, 2024 (view filing) | Nov 12 | 2 days | Dickson DanielDirector | PPurchase | +85.6K | $0.58 | +$49.7K | New position85.6K after | |
| Nov 14, 2024 (view filing) | Nov 12 | 2 days | Dinu RalucaChief Executive Officer | PPurchase | +470.9K | $0.00 | $0 | +251.7%658.0K after | |
| Nov 14, 2024 (view filing) | Nov 12 | 2 days | Dinu RalucaChief Executive Officer | PPurchase | +470.9K | $0.67 | +$315.5K | –470.9K after | Derivative |
| Nov 14, 2024 (view filing) | Nov 12 | 2 days | Weiner ZeevDirector | PPurchase | +85.6K | $0.58 | +$49.7K | New position85.6K after | |
| Nov 14, 2024 (view filing) | Nov 12 | 2 days | Taylor RossDirector | PPurchase | +171.2K | $0.58 | +$99.3K | New position171.2K after | |
| Nov 14, 2024 (view filing) | Nov 12 | 2 days | Taylor RossDirector | PPurchase | +171.2K | $0.00 | $0 | –171.2K after | Derivative |
| Mar 28, 2023 (view filing) | Mar 24 | 4 days | Polar Asset Management Partners Inc.10% Owner | SSaleCommon Stock, par value $0.0001 per share | −500.0K | $10.56 | −$5.28M | −38.5%797.6K after | |
| Mar 3, 2023 (view filing) | Mar 1 | 2 days | Polar Asset Management Partners Inc.10% Owner | SSaleCommon Stock, par value $0.0001 per share | −154.6K | $10.40 | −$1.61M | −10.6%1.30M after | |
| Mar 2, 2023 (view filing) | Feb 28 | 2 days | Polar Asset Management Partners Inc.10% Owner | SSaleCommon Stock, par value $0.0001 per share | −95.4K | $10.44 | −$996.2K | −6.2%1.45M after | 2 lots |