Company: BLLN
Filing Date: 2025-10-17
Form Type: S-1/A
Source: 0001193125-25-242632
Chunk: 120

Company: BillionToOne, Inc.
Filing Date: 2025-10-17
Form: S-1/A
Chunk 120
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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.

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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
39,462,629 shares of our Class A common stock outstanding (or 40,039,529 shares if the underwriters exercise their option to purchase additional shares from us in full). This includes 3,846,000 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 35,616,629 shares of Class A common stock, or 90.3% 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