Nasdaq · CIK 0001844505
QTI QT IMAGING HOLDINGS, INC.
Insider trading from SEC Form 4. Last filing 43 d ago. Close $2.68 on Oct 9, 2026, +9% from the 52-week low and -92% from the high.
In brief
QT IMAGING HOLDINGS, INC. (QTI) has 37 SEC Form 4 filings on file from 10 insiders, the latest filed on Aug 31, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.
9 open-market trades have been scored at QTI. The newest: Avi S Katz (CHAIRMAN) bought $155k of stock on Jan 22, 2026, filed Jan 23, 2026, scored 42 (moderate). The largest of the 9 shown: Avi S Katz (Chairman) bought $1.8M on Nov 12, 2024, scored 68 (notable). 2 insiders bought within 14 days of each other around Apr 9, 2025.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at QT IMAGING HOLDINGS, INC., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 42Moderate | Avi S Katz CHAIRMAN buy | $155k 24,107 shares | +6% | +53% from low-85% from high | |
| 60Notable | Raluca Dinu Chief Executive Officer buy | $250k 392,465 shares | +51% | +133% from low-29% from high | |
| 60Notable | Avi S Katz Chairman buy | $250k 392,464 shares | +51% | +133% from low-29% from high | |
| 53Moderate | Avi S Katz Chairman buy | $1.6M 2,788,843 shares | - | - | |
| 45Moderate | Daniel H Dickson director buy | $50k 85,616 shares | - | - | |
| 53Moderate | James S Greene director buy | $250k 428,082 shares | +214% | - | |
| 68Notable | Avi S Katz Chairman buy | $1.8M 3,142,122 shares | - | - | |
| 48Moderate | Ross Taylor director buy | $100k 171,232 shares | - | - | |
| 45Moderate | Zeev Weiner director buy | $50k 85,616 shares | - | - |
Transactions
The newest 50 of 57 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 28, 2026 | Raluca Dinu Chief Executive Officer | AGrant or award Common Stock | +484,221 | $0.00 | $0 | 1,393,066 | 43 d ago |
| Aug 4, 2026 | Bryan Timm director | AGrant or award Common Stock | +9,000 | $0.00 | $0 | 9,000 | Aug 6, 2026 |
| Mar 20, 2026 | James S Greene director | AGrant or award Common Stock | +3,500 | $0.00 | $0 | 3,500 | Mar 24, 2026 |
| Mar 20, 2026 | Avi S Katz Chairman | AGrant or award Common Stock | +3,500 | $0.00 | $0 | 416,952 | Mar 24, 2026 |
| Mar 20, 2026 | John C Klock Jr director, owner | AGrant or award Common Stock | +3,500 | $0.00 | $0 | 3,500 | Mar 24, 2026 |
| Mar 20, 2026 | Jay Walter Jennings Chief Financial Officer | AGrant or award Common Stock | +2,800 | $0.00 | $0 | 2,800 | Mar 24, 2026 |
| Mar 20, 2026 | Daniel H Dickson director | AGrant or award Common Stock | +3,500 | $0.00 | $0 | 32,039 | Mar 24, 2026 |
| Mar 20, 2026 | Ross Taylor director | AGrant or award Common Stock | +3,500 | $0.00 | $0 | 60,578 | Mar 24, 2026 |
| Mar 20, 2026 | Raluca Dinu Chief Executive Officer | AGrant or award Common Stock | +3,500 | $0.00 | $0 | 392,845 | Mar 24, 2026 |
| Mar 17, 2026 | Zeev Weiner director | MOption exercise Common Stock | +8,888 | $2.25 | $20k | 37,427 | Mar 24, 2026 |
| Mar 20, 2026 | Raluca Dinu Chief Executive Officer | AGrant or award Common Stock | +500,000 | $0.00 | $0 | 892,845 | Mar 24, 2026 |
| Mar 17, 2026 | Zeev Weiner director | MOption exercise Common Stock | +14,166 | $2.00 | $28k | 51,593 | Mar 24, 2026 |
| Mar 20, 2026 | Zeev Weiner director | AGrant or award Common Stock | +3,500 | $0.00 | $0 | 55,093 | Mar 24, 2026 |
| Mar 20, 2026 | Raluca Dinu Chief Executive Officer | AGrant or award Common Stock | +16,000 | $0.00 | $0 | 908,845 | Mar 24, 2026 |
| Mar 17, 2026 | Zeev Weiner director | MOption exercise Stock Option (right to buy)derivative | -8,888 | $0.00 | $0 | 4,445 | Mar 24, 2026 |
| Mar 17, 2026 | Zeev Weiner director | MOption exercise Stock Option (right to buy)derivative | -14,166 | $0.00 | $0 | 0 | Mar 24, 2026 |
| Jan 22, 2026 | Avi S Katz CHAIRMAN | POpen-market purchase COMMON STOCK | +24,107 | $6.43 | $155k | 413,452 | Jan 23, 2026 |
| Jan 22, 2026 | Avi S Katz CHAIRMAN | POpen-market purchase PRIVATE WARRANTderivative | +48,214 | $0.00 | $0 | 48,214 | Jan 23, 2026 |
| Aug 11, 2025 | Zeev Weiner director | AGrant or award Stock Option (right to buy)derivative | +25,000 | $0.00 | $0 | 25,000 | Aug 13, 2025 |
| Aug 11, 2025 | Daniel H Dickson director | AGrant or award Stock Option (right to buy)derivative | +25,000 | $0.00 | $0 | 25,000 | Aug 13, 2025 |
| Aug 11, 2025 | Raluca Dinu Chief Executive Officer | AGrant or award Stock Option (right to buy)derivative | +25,000 | $0.00 | $0 | 25,000 | Aug 13, 2025 |
| Aug 11, 2025 | James S Greene director | AGrant or award Stock Option (right to buy)derivative | +25,000 | $0.00 | $0 | 25,000 | Aug 13, 2025 |
| Aug 11, 2025 | John C Klock Jr director, owner | AGrant or award Stock Option (right to buy)derivative | +25,000 | $0.00 | $0 | 25,000 | Aug 13, 2025 |
| Aug 11, 2025 | Avi S Katz Chairman | AGrant or award Stock Option (right to buy)derivative | +25,000 | $0.00 | $0 | 25,000 | Aug 13, 2025 |
| Aug 11, 2025 | Ross Taylor director | AGrant or award Stock Option (right to buy)derivative | +25,000 | $0.00 | $0 | 25,000 | Aug 13, 2025 |
| Apr 21, 2025 | Ross Taylor director | AGrant or award Stock Option (right to buy)derivative | +85,000 | $0.00 | $0 | 85,000 | Apr 23, 2025 |
| Apr 21, 2025 | Zeev Weiner director | AGrant or award Stock Option (right to buy)derivative | +42,500 | $0.00 | $0 | 42,500 | Apr 23, 2025 |
| Apr 21, 2025 | Daniel H Dickson director | AGrant or award Stock Option (right to buy)derivative | +42,500 | $0.00 | $0 | 42,500 | Apr 23, 2025 |
| Apr 21, 2025 | Anastas Budagov Chief Financial Officer | AGrant or award Employee Stock Option (right to buy)derivative | +50,000 | $0.00 | $0 | 50,000 | Apr 23, 2025 |
| Apr 21, 2025 | Raluca Dinu Chief Executive Officer | AGrant or award Employee Stock Option (right to buy)derivative | +75,000 | $0.00 | $0 | 75,000 | Apr 23, 2025 |
| Apr 21, 2025 | James S Greene director | AGrant or award Stock Option (right to buy)derivative | +212,500 | $0.00 | $0 | 212,500 | Apr 23, 2025 |
| Apr 21, 2025 | Avi S Katz Chairman | AGrant or award Stock Option (right to buy)derivative | +233,750 | $0.00 | $0 | 233,750 | Apr 23, 2025 |
| Apr 21, 2025 | Raluca Dinu Chief Executive Officer | AGrant or award Stock Option (right to buy)derivative | +233,750 | $0.00 | $0 | 233,750 | Apr 23, 2025 |
| Apr 9, 2025 | Raluca Dinu Chief Executive Officer | POpen-market purchase Common Stock | +392,465 | $0.64 | $250k | 1,168,035 | Apr 10, 2025 |
| Apr 9, 2025 | Avi S Katz Chairman | POpen-market purchase Common Stock | +392,464 | $0.64 | $250k | 1,168,035 | Apr 10, 2025 |
| Apr 9, 2025 | Raluca Dinu Chief Executive Officer | POpen-market purchase Subscription Warrants (right to buy)derivative | +784,929 | $0.00 | $0 | 784,929 | Apr 10, 2025 |
| Apr 9, 2025 | Avi S Katz Chairman | POpen-market purchase Subscription Warrants (right to buy)derivative | +784,929 | $0.00 | $0 | 784,929 | Apr 10, 2025 |
| Mar 21, 2025 | Raluca Dinu Chief Executive Officer | POpen-market purchase Common Stock | +117,611 | $0.00 | $0 | 775,570 | Mar 25, 2025 |
| Mar 21, 2025 | Avi S Katz Chairman | POpen-market purchase Common Stockindirect: By GigAcquisitions5, LLC | -2,671,232 | $0.58 | $1.6M | 0 | Mar 25, 2025 |
| Mar 21, 2025 | Raluca Dinu Chief Executive Officer | POpen-market purchase Subscription Warrants (right to buy)derivative | +75,435 | $0.67 | $51k | 546,325 | Mar 25, 2025 |
| Mar 21, 2025 | Avi S Katz Chairman | POpen-market purchase Common Stock | +117,611 | $0.58 | $69k | 775,571 | Mar 25, 2025 |
| Mar 21, 2025 | Avi S Katz Chairman | POpen-market purchase Subscription Warrants (right to buy)derivativeindirect: By GigAcquisitions5, LLC | -2,671,232 | $0.67 | $1.8M | 0 | Mar 25, 2025 |
| Mar 21, 2025 | Avi S Katz Chairman | POpen-market purchase Subscription Warrants (right to buy)derivative | +75,435 | $0.67 | $51k | 571,431 | Mar 25, 2025 |
| Nov 12, 2024 | Daniel H Dickson director | POpen-market purchase Common Stock | +85,616 | $0.58 | $50k | 85,616 | Nov 14, 2024 |
| Nov 12, 2024 | Raluca Dinu Chief Executive Officer | POpen-market purchase Common Stock | +470,890 | $0.00 | $0 | 657,959 | Nov 14, 2024 |
| Nov 12, 2024 | Zeev Weiner director | POpen-market purchase Common Stock | +85,616 | $0.58 | $50k | 85,616 | Nov 14, 2024 |
| Nov 12, 2024 | Ross Taylor director | POpen-market purchase Common Stock | +171,232 | $0.58 | $100k | 171,232 | Nov 14, 2024 |
| Nov 12, 2024 | Avi S Katz Chairman | POpen-market purchase Common Stockindirect: By GigAcquisitions5, LLC | +2,671,232 | $0.58 | $1.6M | 2,671,232 | Nov 14, 2024 |
| Nov 12, 2024 | Daniel H Dickson director | AGrant or award Subscription Warrant (right to buy)derivative | +85,616 | $0.67 | $58k | 85,616 | Nov 14, 2024 |
| Nov 12, 2024 | Raluca Dinu Chief Executive Officer | POpen-market purchase Subscription Warrants (right to buy)derivative | +470,890 | $0.67 | $316k | 470,890 | Nov 14, 2024 |
Insiders
Everyone who has filed a Form 4 here.
- Anastas BudagovChief Financial Officer
- Daniel H Dicksondirector
- Raluca DinuChief Executive Officer
- James S Greenedirector
- Jay Walter JenningsChief Financial Officer
- John C Klock Jrdirector, owner
- Avi S KatzChairman
- Bryan Timmdirector
- Ross Taylordirector, cfo, officer
- Zeev Weinerdirector
Questions about QTI
Answered from the filings on this page, as of the latest one.
Are insiders buying QTI?
No. In the last 90 days no insider at QT IMAGING HOLDINGS, INC. bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.
Who was the last insider to trade QTI on the open market?
Avi S Katz (CHAIRMAN) bought $155k of QTI on Jan 22, 2026 and filed the Form 4 on Jan 23, 2026. InsiderTell scored 42 (moderate).
How many insiders file Form 4 at QT IMAGING HOLDINGS, INC.?
10 people have filed a Form 4 at QT IMAGING HOLDINGS, INC., among them Anastas Budagov (Chief Financial Officer), Daniel H Dickson (director), Raluca Dinu (Chief Executive Officer). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.