Company: QTIWW
Filing Date: 2025-11-03
Form Type: S-1
Source: 0001628280-25-048373
Chunk: 449

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-11-03
Form: S-1
Chunk 449
---
 maturity date for the Cable Car Note shall be extended to March 31, 2026, in consideration for which, the Company shall pay a fee of $90,000 to Cable Car for the extension (the “ Extension Fee ”), with such fee being added to the amount due and payable on such maturity date, unless the Cable Car Note is earlier converted pursuant to its terms, in which event the Extension Fee shall also be converted. No interest shall accrue or be due on the Extension Fee. Pursuant to the Cable Car Amendment, interest shall accrue on the outstanding principal balance of the Cable Car Note at an annual rate equal to 6%, with interest being calculated based on a 365-day year and the actual number of days elapsed, to the extent permitted by applicable law. Interest shall be due and payable on the maturity date for the Cable Car Note, unless the Cable Car Note is earlier converted pursuant to its terms, in which event such accrued and unpaid interest shall also be converted.

On February 26, 2025, the Company paid Cable Car an amount equal to the full principal, interest and fees amount of approximately $1,625,000 in cash to fully settle and discharge the Company’s obligations under the Cable Car Note and extinguish the Cable Car Note as having been fully performed.

#### Sea Otter Subscription Agreement
On April 22, 2024, the Company entered into a subscription agreement (the “ Subscription Agreement ”) with Sea Otter Trading, LLC (the “ Sea Otter ”). Pursuant to the Sea Otter Subscription Agreement, the Company agreed to issue to Sea Otter, an aggregate of 1,400 shares of Common Stock for services rendered by Sea Otter. The issuance was made in a transaction not involving a public offering pursuant to an exemption from the registration requirements of the Securities Act of 1933 (the “ 1933 Act ”), in reliance upon Section 4(a)(2) of the 1933 Act and Rule 506(b) of Regulation D (“ Regulation D ”) as promulgated by the U.S. Securities and Exchange Commission (the “ SEC ”) under the 1933 Act.

#### November 2024 Private Placement
The Company entered into a Securities Purchase Agreement, dated November 12, 2024, by and between the Company and certain members of the Company’s Board of Directors and affiliates of such members, (the

<div align='center'>II-5</div>

“ Purchasers ”) for a private placement (