Dr. Raluca Dinu - 28 Aug 2026 Form 4 Insider Report for QT IMAGING HOLDINGS, INC. (QTI)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: QTI
Reported as of: 28 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 31 Aug 2026, 20:08:40 UTC
Prior SEC filing: 13 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Dr. Raluca Dinu

Key filing fact

Dr. Raluca Dinu filed Form 4 for QT IMAGING HOLDINGS, INC. (QTI) on 31 Aug 2026.

Key facts

This page summarizes Dr. Raluca Dinu's Form 4 filing for QT IMAGING HOLDINGS, INC. (QTI).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 31 Aug 2026, 20:08.

Change

Previous filing in this sequence was filed on 13 Aug 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001430575 Primary reporting owner

Dinu Raluca

Relationship: Chief Executive Officer, Director
Address: C/O QT IMAGING HOLDINGS, INC., 3 HAMILTON LANDING SUITE 160, NOVATO
Signature: /s/ Dr. Raluca Dinu
Signature date: 31 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

QTI transaction

Common Stock

Award

Transaction value
Shares: +484,221
Change %: +53%
Price: $0.000000^*
Shares after: 1,393,066
Date: 28 Aug 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Subject to the Reporting Person's continued service to QT Imaging Holdings, Inc. (the "Company"), three-sixteenths of this Restricted Stock Unit ("RSU") will vest on November 15, 2026, and the remaining thirteen-sixteenths will vest in thirteen equal quarterly installments on each subsequent February 15, May 15, August 15, and November 15, such that the RSU will be fully vested on February 15, 2030; all shares under this RSU shall immediately vest in the event of a Change of Control (as defined in the QT Imaging Holdings, Inc. Amended and Restated 2024 Equity Incentive Plan) of the Company.