STOCK TITAN

QT Imaging (QTIH) chair buys stock and private warrants in 2026

Filing Impact
(Moderate)
Filing Sentiment
(Positive)
Form Type
4

Rhea-AI Filing Summary

QT Imaging Holdings chairman Avi Katz reported new purchases of company securities. On January 22, 2026, he bought 24,107 shares of common stock at $6.43 per share, bringing his directly held common stock to 413,452 shares, adjusted for a 3-for-1 reverse stock split effected on October 23, 2025.

On the same date, he also purchased 48,214 private warrants with a $6.43 exercise price. Each warrant is exercisable for one share of common stock starting July 22, 2026 and expiring on July 22, 2036. Following these transactions, he directly holds 48,214 private warrants in addition to his common shares.

Positive

  • None.

Negative

  • None.
Insider Katz Avi S
Role CHAIRMAN
Bought 72,321 shs ($155K)
Type Security Shares Price Value
Purchase PRIVATE WARRANT 48,214 $0.00 --
Purchase COMMON STOCK 24,107 $6.43 $155K
Holdings After Transaction: PRIVATE WARRANT — 48,214 shares (Direct); COMMON STOCK — 413,452 shares (Direct)
Footnotes (1)
  1. [object Object]
SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Katz Avi S

(Last) (First) (Middle)
C/O QT IMAGING HOLDINGS, INC.
3 HAMILTON LANDING, SUITE 160

(Street)
NOVATO CA 94949

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
QT IMAGING HOLDINGS, INC. [ QTIH ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
CHAIRMAN
3. Date of Earliest Transaction (Month/Day/Year)
01/22/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
COMMON STOCK 01/22/2026 P 24,107 A $6.43 413,452(1) D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
PRIVATE WARRANT $6.43 01/22/2026 P 48,214 07/22/2026 07/22/2036 COMMON STOCK 48,214 $0 48,214 D
Explanation of Responses:
1. The number of shares beneficially owned reflects the 3-for-1 reverse stock split effected October 23, 2025.
/S/ DR. AVI KATZ 01/23/2026
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did QT Imaging Holdings (QTIH) report for January 22, 2026?

The filing shows that on January 22, 2026, chairman Avi Katz bought 24,107 shares of common stock at $6.43 per share and acquired 48,214 private warrants with a $6.43 exercise price.

How many QT Imaging (QTIH) common shares does Avi Katz own after this Form 4 transaction?

After the reported stock purchase, Avi Katz beneficially owns 413,452 shares of QT Imaging common stock directly, as adjusted for the 3-for-1 reverse stock split effected on October 23, 2025.

What are the key terms of the private warrants reported in the QTIH Form 4?

The 48,214 private warrants have an exercise price of $6.43 per underlying share of common stock, become exercisable on July 22, 2026, and expire on July 22, 2036. Following the transaction, 48,214 private warrants are beneficially owned directly.

What was the purchase price for the QT Imaging (QTIH) common stock in this insider trade?

The 24,107 shares of QT Imaging common stock were purchased at a price of $6.43 per share in the January 22, 2026 transaction.

How did QT Imaging’s reverse stock split affect the reported ownership figures?

The filing notes that the number of shares beneficially owned by Avi Katz reflects a 3-for-1 reverse stock split that was effected on October 23, 2025, meaning the reported 413,452 shares are on a post-split basis.

What roles does Avi Katz hold at QT Imaging Holdings (QTIH)?

Avi Katz is identified as both a director and an officer of QT Imaging Holdings, Inc., serving in the role of Chairman, according to the Form 4.