Atay Oguzhan (CIK 2088549) reported 52 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-08). Recent activity: Buy BLLN (20,000 shares), Sell BLLN (587 shares), Sell BLLN (1,320 shares), Sell BLLN (3,639 shares), Sell BLLN (1,828 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Buy | 20,000 | $56,000 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 587 | $71,663 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 1,320 | $156,402 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 3,639 | $434,369 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 1,828 | $220,567 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 1,115 | $135,848 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 6,223 | $765,873 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Buy | 6,250 | $17,500 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 622 | $77,510 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 412 | $48,817 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 1,138 | $135,837 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 570 | $68,776 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 349 | $42,521 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 1,945 | $239,373 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 1,642 | $203,295 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 194 | $24,175 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 1,034 | $122,847 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 591 | $70,728 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 444 | $53,585 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 591 | $70,728 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 2,323 | $286,303 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 1,221 | $151,459 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 50 | $6,237 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 1,034 | $122,847 |
| 2026-07-08 | BillionToOne, Inc. (BLLN) | Chairman and CEO | Sell | 5,253 | $650,371 |
Source: SEC Form 4 filings · as of 2026-07-08