Ross Taylor - 11 Aug 2025 Form 4 Insider Report for QT IMAGING HOLDINGS, INC. (QTIH)

Role: Director
Signature: /s/ Ross Taylor
Issuer symbol: QTIH
Transactions as of: 11 Aug 2025
Net transactions value: $0
Form type: 4
Filing time: 13 Aug 2025, 21:13:10 UTC
Previous filing: 23 Apr 2025
Next filing: 05 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Taylor Ross	Director	C/O QT IMAGING HOLDINGS, INC., 3 HAMILTON LANDING SUITE 160, NOVATO	/s/ Ross Taylor	13 Aug 2025	0002013346

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	QTIH	Stock Option (right to buy)	Award	$0	+25,000		$0.000000	25,000	11 Aug 2025	Common Stock	25,000	$1.90	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	One-third of the grant will vest on August 15, 2026, and the remaining two-thirds will vest in eight equal quarterly installments on each subsequent November 15, February 15, May 15, and August 15, such that the grant will be fully vested on August 15, 2028, subject to continued service with the Issuer through each vesting date.