Company: BLLN
Filing Date: 2025-08-11
Form Type: DRS/A
Source: 0000950123-25-007483
Chunk: 112

Company: BillionToOne, Inc.
Filing Date: 2025-08-11
Form: DRS/A
Chunk 112
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 stock that you acquire. This dilution is due in large part to the fact that our earlier investors paid substantially less than the initial public offering price when they purchased their shares. As of
June 30, 2025, we had shares of our Class A common stock issuable upon the exercise of outstanding options at a weighted average exercise price of $ per share, of which were vested as of such date,
and additional shares of our Class A common stock reserved for future issuance under our 2018 Plan. See the section of this prospectus titled “Dilution” for additional information.

Any additional shares of our Class A common stock that we issue, including under our equity incentive plans, would dilute the percentage ownership and voting power
held by the investors who purchase Class A common stock in this offering. In the future, we may also issue additional securities if we need to raise capital, including, in connection with acquisitions, which could constitute a material portion
of our then-outstanding shares of common stock. Any such issuance could substantially dilute the ownership and voting power of our existing stockholders and cause the market price of our Class A common stock to decline.

Future sales of substantial amounts of our Class A common stock in the public markets, or the perception that such sales might occur, could reduce the price that our Class A common stock might otherwise attain.

Future sales of a substantial number of shares of our Class A common stock in the public
market, particularly sales by our directors, executive officers, and principal stockholders, or the perception that these sales could occur, could adversely affect the market price of our Class A common stock and may make it more difficult for
you to sell your Class A common stock at a time and price that you deem appropriate. Upon the completion of this offering, based on the number of shares of our Class A common stock outstanding as of June 30, 2025, and after giving
effect to the Preferred Stock Conversion, the Reclassification and the Class B Stock Exchange, as if each event had occurred on June 30, 2025, we will have an aggregate of shares of our Class A common stock
outstanding (or shares if the underwriters exercise their option to purchase additional shares from us in full). This includes shares of Class A common stock that we are selling in this
offering, which may be resold in the public market immediately without restriction, unless purchased by our affiliates. The resale of the remaining shares of Class A common stock, or % of our