SEC Form 4 · accession 0002087877-26-000002
BillionToOne, Inc. · BLLN
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Akshay Rai
Director
Period of report
Jun 10, 2026
Accepted (ET)
Jun 12, 2026 · 12:53 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0002070849
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Class A Common StockF1 | Jun 10, 2026 | A | 3,017 | $0.00 | A | 14,026 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The Reporting Person was granted restricted stock units (RSUs), which represent a contingent right to receive one share of Class A common stock for each RSU. The RSUs are subject to a service-based vesting requirement, which shall be satisfied on the earlier of (A) the date of the next annual meeting of stockholders, or (B) the one-year anniversary of June 10, 2026.