Transaction #7094 · Form 4 · 0001193125-25-278144
BillionToOne, Inc. · Other acquisition · Stock Option (right to buy)
BillionToOne, Inc. · Transacted November 7, 2025 · Filed November 12, 2025
What does this filing report?
An SEC Form 4 filing for BillionToOne, Inc. records an other acquisition involving Stock Option (right to buy) on November 7, 2025. The reported quantity was 79,400. The filing date is November 12, 2025. This is one transaction record; amounts are not allocated among any joint reporting owners.
The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.
Transaction details
- Company
- BillionToOne, Inc.
- Company CIK
- 0002070849
- Security type
- Derivative
- Acquisition type
- Other acquisition · Code J
- Quantity acquired
- 79,400
- Reported price
- Not reported · See footnotes
- Reference value
- Not reported
- Currency
- Currency not specified
- Ownership
- Direct
- Holdings after transaction
- 79,400
- Ownership description
- Not reported
- SEC acceptance time
- Nov 12, 2025, 6:16 PM EST
- 10b5-1 indication
- Not indicated
Reference value is reported quantity × reported price. It is not a confirmed cash payment or an estimate of a derivative's economic value. A missing currency is not assumed to be USD.
Reporting owners
- Lynch Thomas P. ↗
See Remarks
CIK 0001659824
These are the reporting owners named in the filing. Quantities and amounts are not allocated among co-reporters. Roles reflect this filing, not a current profile.
Company listings
This transaction is not mapped to a specific company listing.
Derivative terms
- Underlying security
- Class A Common Stock
- Underlying quantity
- 79,400
- Conversion / exercise price
- 8.65
- Exercise date
- Not reported
- Expiration date
- January 18, 2033
Filing footnotes & remarks
- F1
- Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was automatically reclassified into one share of Class A common stock immediately prior to the completion of the Issuer's initial public offering of Class A common stock (the "Offering").
- F2
- These shares of Class A common stock were purchased by the Reporting Person through a directed share program in connection with the Offering.
- F3
- The options are subject to a service-based vesting requirement, which shall be satisfied over a four-year period, with 25% of the options vesting on October 24, 2022. The remaining 75%. vest and become exercisable in equal monthly installments over the following three years, subject to the Reporting Person's continuous service with the Issuer through each such vesting date.
- F4
- The options are subject to a service-based vesting requirement, which shall be satisfied over a four-year period. The options vest and become exercisable in equal monthly installments commencing on October 1, 2023, subject to the Reporting Person's continuous service with the Issuer through each such vesting date.
- F5
- The options are subject to a service-based vesting requirement, which shall be satisfied over a four-year period. The options vest and become exercisable in equal monthly installments commencing on October 6, 2024, subject to the Reporting Person's continuous service with the Issuer through each such vesting date.
- F6
- The options are subject to a service-based vesting requirement, which shall be satisfied over a four-year period. The options vest and become exercisable in equal monthly installments commencing on September 15, 2025, subject to the Reporting Person's continuous service with the Issuer through each such vesting date.
Remarks
General Counsel, Chief Compliance Officer and Secretary
Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.
This record was updated Eastern Time. This is the stored record update time, not the transaction date. Report a correction.