Company: QTIWW
Filing Date: 2025-01-16
Form Type: S-1
Source: 0001628280-25-001723
Chunk: 443

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-01-16
Form: S-1
Chunk 443
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 dated September 23, 2021, between the Company and each of the Insiders. The 5,000Insider shares issued to Mr. Weightman are subject to forfeiture as described in Note 5 while the 10,000Insider shares issued to ICR are not subject to forfeiture. The grant date fair value of the 10,000shares was expensed upon issuance. If an initial Business Combination occurs and the 5,000 shares have not been previously forfeited, the fair value of the common stock on the date the shares vest will be recognized as stock-based compensation in the Company’s statements of operations and comprehensive loss when the completion of the Business Combination becomes probable.

#### 8.

#### FAIR VALUE MEASUREMENTS
The fair value of the Company’s financial assets and liabilities reflects management’s estimate of amounts that the Company would have received in connection with the sale of the assets or paid in connection with the transfer of the liabilities in an orderly transaction between market participants at the measurement date. In connection with measuring the fair value of its assets and liabilities, the Company seeks to maximize the use of observable inputs (market data obtained from independent sources) and to minimize the use of unobservable inputs (internal assumptions about how market participants would price assets and liabilities). The following fair value hierarchy is used to classify assets and liabilities based on the observable inputs and unobservable inputs used in order to value the assets and liabilities:

| Level 1: |     | Quoted prices in active markets for identical assets or liabilities. An active market for an asset or liability is a market in which transactions for the asset or liability occur with sufficient frequency and volume to provide pricing information on an ongoing basis. |
| Level 2: |     | Observable inputs other than Level 1 inputs. Examples of Level 2 inputs include quoted prices in active markets for similar assets or liabilities and quoted prices for identical assets or liabilities in markets that are not active.                                     |
| Level 3: |     | Unobservable inputs which are supported by little or no market activity and which are significant to the fair value of the assets or liabilities.                                                                                                                           |

<div align='center'>F-84</div>

#### GIGCAPITAL5, INC.

#### Notes to Financial Statements
The following table presents information about the Company’s assets that are measured at fair value on a recurring basis as of December 31, 2023 and 2022, and indicates the fair value hierarchy of the valuation inputs the Company utilized to determine such fair value: