Atay Oguzhan
Reporting owner on Forms 3, 4 and 5, CIK 2088549.
Atay Oguzhan reported on 1 issuer in 1 filing, the latest a Form 4 filed 2026-09-30.
Issuers
| Issuer | Roles in the latest filing | Filings | Last filed |
|---|---|---|---|
| BillionToOne, Inc. CIK 2070849 | director, officer (Chairman and CEO) | 1 | 2026-09-30 |
Transactions and holdings
Every row of the person's Forms 3, 4 and 5, newest first, with the price and the amount owned after the row as filed.
| Security | Date | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| BillionToOne, Inc. Class A Common Stock | 2026-09-28 | M exercised | +8,333 | $2.8 | 8,333 | Form 4 |
| BillionToOne, Inc. Class A Common Stock | 2026-09-28 | S sold | -8,333 | $120.64 | 0 | Form 4 |
| BillionToOne, Inc. Class A Common Stock | 2026-09-28 | S sold | -2,666 | $120.64 | 154,502 | Form 4 |
| BillionToOne, Inc. Stock Option (right to buy), derivative | 2026-09-28 | M exercised | -8,333 | $2.8 | 493,629 | Form 4 |
Filings
The person's Forms 3, 4 and 5, and any 13D or 13G naming it.
| Filing | Subject | Filed | Accepted | Ingested |
|---|---|---|---|---|
| Form 4 0002088549-26-000012 | BillionToOne, Inc. | 2026-09-30 |