Filing Details
- Accession Number:
- 0001430575-25-000003
- Form Type:
- 13D Filing
- Publication Date:
- 2025-04-01 20:00:00
- Filed By:
- Dr. Raluca Dinu
- Company:
- Qt Imaging Holdings Inc.
- Filing Date:
- 2025-04-02
- SEC Url:
- 13D Filing
Ownership Summary
Please notice the below summary table is generated without human intervention and may contain errors. Please refer to the complete filing displayed below for exact figures.
Name | Sole Voting Power | Shared Voting Power | Sole Dispositive Power | Shared Dispositive Power | Aggregate Amount Owned Power | Percent of Class |
---|---|---|---|---|---|---|
Dr. Raluca Dinu | 1,543,676 | 0 | 1,543,676 | 0 | 1,543,676 | 5.4% |
Filing
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13D
Under the Securities Exchange Act of 1934
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QT Imaging Holdings, Inc. (Name of Issuer) |
Common Stock, $0.0001 par value (Title of Class of Securities) |
746962109 (CUSIP Number) |
Dr. Raluca Dinu 3 Hamilton Landing, Suite 160, Novato, CA, 94949 415-842-7250 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) |
03/21/2025 (Date of Event Which Requires Filing of This Statement) |
If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.


The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the
Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other
provisions of the Act (however, see the Notes).
SCHEDULE 13D
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CUSIP No. | 746962109 |
1 |
Name of reporting person
Dr. Raluca Dinu | ||||||||
2 | Check the appropriate box if a member of a Group (See Instructions)
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3 | SEC use only | ||||||||
4 |
Source of funds (See Instructions)
PF | ||||||||
5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
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6 | Citizenship or place of organization
UNITED STATES
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Number of Shares Beneficially Owned by Each Reporting Person With: |
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11 | Aggregate amount beneficially owned by each reporting person
1,543,676.00 | ||||||||
12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
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13 | Percent of class represented by amount in Row (11)
5.4 % | ||||||||
14 | Type of Reporting Person (See Instructions)
IN |
Comment for Type of Reporting Person:
Note: All share numbers on these cover pages are presented as shares of Common Stock, $0.0001 par value (the "Common Stock") of QT Imaging Holdings, Inc., a Delaware corporation (the "Issuer"), as further described herein.
(7) and (9) This number of shares of Common Stock consists of: (i) 775,570 shares of Common Stock owned directly by the Reporting Person; (ii) warrants for the purchase of 571,440 shares of Common Stock that are exercisable within 60 days of the date of this Schedule 13D/A; and (iii) options for the purchase of 196,666 shares of Common Stock that are exercisable within 60 days of the date of this Schedule 13D/A. The Common Stock is held directly by the Reporting Person.
(13) Calculation is based upon 27,653,210 shares of Common Stock of the Issuer issued and outstanding as of March 28, 2025 as reported on the Issuer's Form 10-K filed with the Securities and Exchange Commission on March 31, 2025.
SCHEDULE 13D
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Item 1. | Security and Issuer | |
(a) | Title of Class of Securities:
Common Stock, $0.0001 par value | |
(b) | Name of Issuer:
QT Imaging Holdings, Inc. | |
(c) | Address of Issuer's Principal Executive Offices:
3 Hamilton Landing, Suite 160, Novato,
CALIFORNIA
, 94949. | |
Item 1 Comment:
This Schedule 13D relates to shares of Common Stock of the Issuer. The address of the Issuer's principal executive offices is 3 Hamilton Landing, Suite 160, Novato, CA 94949. | ||
Item 2. | Identity and Background | |
(a) | This Schedule 13D is being filed by Dr. Raluca Dinu, a citizen of the United States (the "Reporting Person"). | |
(b) | The business address of the Reporting Person is 3 Hamilton Landing, Suite 160, Novato, California 94949. | |
(c) | Dr. Dinu is currently a member of the Board and Chief Executive Officer of the Issuer. | |
(d) | During the last five years, the Reporting Person has not been convicted in any criminal proceeding (excluding traffic violations or similar misdemeanors) and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. | |
(e) | During the last five years, the Reporting Person has not been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. | |
(f) | USA | |
Item 3. | Source and Amount of Funds or Other Consideration | |
Not applicable. | ||
Item 4. | Purpose of Transaction | |
The Reporting Person acquired the securities described in this Schedule 13D for investment purposes and intends to review her investments in the Issuer on a continuing basis. Any actions the Reporting Person might undertake may be made at any time and from time to time without prior notice and will be dependent upon the Reporting Person's review of numerous factors, including, but not limited to: an ongoing evaluation of the Issuer's business, financial condition, operations and prospects; price levels of the Issuer's securities; general market, industry and economic conditions; the relative attractiveness of alternative business and investment opportunities; and other future developments.
Except as disclosed in this Item 4, the Reporting Person does not have any current plans or proposals that relate to or would result in any of the events described in clauses (a) through (j) of the instructions to Item 4 of Schedule 13D. The Reporting Persons however, will take such actions with respect to the Reporting Persons' investments in the Issuer as deemed appropriate in light of existing circumstances from time to time and reserve the right to acquire or dispose of securities of the Issuer, to enter into hedging relationships with respect to such securities, or to formulate other purposes, plans, or proposals in the future depending on market conditions and/or other factors. | ||
Item 5. | Interest in Securities of the Issuer | |
(a) | See rows (11) and (13) of the cover pages to this Schedule 13D for the aggregate number of shares of Common Stock and percentages of the shares of Common Stock beneficially owned by the Reporting Person. | |
(b) | See rows (7) through (10) of the cover pages to this Schedule 13D for the number of shares of Common Stock as to which the Reporting Person has the sole or shared power to vote or direct the vote and sole or shared power to dispose or to direct the disposition. | |
(c) | None. | |
(d) | None. | |
(e) | Not applicable. | |
Item 6. | Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer | |
Except as set forth herein, the Reporting Person does not have any contracts, arrangements, understandings or relationships (legal or otherwise) with any person with respect to any securities of the Issuer, including but not limited to any contracts, arrangements, understandings or relationships concerning the transfer or voting of such securities, finder's fees, joint ventures, loan or option arrangements, puts or calls, guarantees of profits, division of profits or losses, or the giving or withholding of proxies. | ||
Item 7. | Material to be Filed as Exhibits. | |
None. |
SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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