Company: QTIWW
Filing Date: 2025-11-03
Form Type: S-1
Source: 0001628280-25-048373
Chunk: 270

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-11-03
Form: S-1
Chunk 270
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 the Company as a Group (8 Individuals) |     |                                                     | 3,596,339 |     |                                             | 26.8 | % |
| Five Percent or Greater Holders:                                               |     |                                                     |           |     |                                             |      |   |
| Dr. Avi Katz(3)(4)(5)(6)                                                       |     |                                                     |   841,109 |     |                                             |  6.8 | % |
| Dr. Raluca Dinu(4)(9)                                                          |     |                                                     |   841,108 |     |                                             |  6.7 | % |
| John C. Klock, Jr. and Cynthia L. Klock Trust Dated 7/27/07                    |     |                                                     |   960,380 |     |                                             |  8.1 | % |
| Lynrock Lake Master Fund LP(14)                                                |     |                                                     | 1,155,416 |     |                                             |  9.7 | % |
| Emil D. Kakis and Jenny Soriano(15)                                            |     |                                                     |   633,344 |     |                                             |  5.3 | % |
| Alyeska Master Fund, L.P.(16)                                                  |     |                                                     | 1,111,118 |     |                                             |  9.0 | % |

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* Less than one percent.

(1) Unless otherwise indicated, the business address of each of the individuals is 3 Hamilton Landing, Suite 160, Novato, CA 94949.

(2) Based on 11,893,947 shares of Common Stock of the Company outstanding as of October 31, 2025.

(3) The business address for this person is 1731 Embarcadero Road, Suite 200, Palo Alto, California 94303.

(4) Includes shares of Common Stock underlying warrants that are exercisable within 60 days.

<div align='center'>176</div>

(5) Includes 66,214 shares of Common Stock underlying stock options that are exercisable within 60 days.

(6) Includes warrants to purchase 451,764 shares of Common Stock that are exercisable within 60 days.

(7) Shares held by John C. Klock, Jr. and Cynthia L. Klock Trust Dated 7/27/07.

(8) Includes 7,777 shares of Common Stock underlying stock options exerc