SEC Form 4 · accession 0002088547-26-000010
BillionToOne, Inc. · BLLN
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Shan Riku Sakakibara
Officer — Chief Product Officer
Period of report
Sep 10, 2026
Accepted (ET)
Sep 14, 2026 · 6:47 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 Stock | Sep 10, 2026 | G | 3,500 | $0.00 | D | 196,500 | D |
Table II — derivative securities
No Table II lines on this filing.