Company: BLLN
Filing Date: 2025-06-20
Form Type: DRS
Source: 0000950123-25-006095
Chunk: 102

Company: BillionToOne, Inc.
Filing Date: 2025-06-20
Form: DRS
Chunk 102
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, which could constitute a
material portion of our then-outstanding shares of

69

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
outstanding shares of Class A common stock following this offering, and all of our Class B common stock outstanding, is currently prohibited or otherwise restricted, subject to certain limited exceptions, as a result of securities law
provisions, market standoff agreements entered into by certain of our stockholders with us or lock-up agreements entered into by our stockholders with the underwriters in connection with this offering.
However, subject to applicable securities law restrictions, these shares will be able to be sold in the public market beginning on the 181st day after the date of this prospectus. Shares issued upon the exercise of stock options outstanding under
our equity incentive plans or pursuant to future awards granted under those plans will become available for sale in the public market to the extent permitted by the provisions of applicable vesting schedules, market
stand-off agreements and/or lock-up agreements, as well as Rules 144 and 701 under the Securities Act