Company: BLLN
Filing Date: 2025-10-07
Form Type: S-1
Source: 0001193125-25-233697
Chunk: 173

Company: BillionToOne, Inc.
Filing Date: 2025-10-07
Form: S-1
Chunk 173
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 due to
increased employee headcount and increased sales which increased commissions and bonuses, $3.1 million in accounts payable and other accrued expenses due to increased testing volumes and timing of payments and

non-cash charges of $17.0 million primarily consisting of stock-based compensation, depreciation and amortization,
amortization of operating right-of-use assets, change in fair value of 2022 Convertible Notes which were partially offset by the gain on extinguishment of debt.

Investing activities

Net cash used in investing activities for the
six months ended June 30, 2024 of $1.8 million was the result of $1.8 million in purchases of property and equipment.

Net cash used in investing
activities for the six months ended June 30, 2025 of $5.2 million was the result of $5.2 million in purchases of property and equipment.

Net cash
provided by investing activities for the year ended December 31, 2023 of $82.8 million was the result of $90.0 million proceeds from maturities of certificates of deposit, partially offset by $6.2 million in purchases of property
and equipment and $1.0 million deposits paid for financing leases.

Net cash used in investing activities for the year ended December 31, 2024 of
$5.4 million was the result of $5.4 million in purchases of property and equipment.

Financing activities

Net cash provided by financing activities for the six months ended June 30, 2024 of $128.9 million was the result of $130.0 million in proceeds from
Series D redeemable convertible preferred stock and $0.6 million in proceeds from exercise of stock options, partially offset by $1.2 million principal payments on finance lease liabilities and a $0.5 million repurchase of common
stock outstanding.

Net cash used in financing activities for the six months ended June 30, 2025 of $1.1 million was the result of $1.0 million
principal payments on finance lease liabilities and $0.6 million in payments for deferred offering costs related to this offering, partially offset by $0.5 million in proceeds from exercise of stock options.

120

Net cash provided by financing activities for the year ended December 31, 2023 of $13.4 million was the
result of $15.0 million in proceeds from issuance of debt and $0.4 million in proceeds from exercise of stock options, partially