Oguzhan Atay
See Remarks at BillionToOne Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 1 year
- Director since
- 2025
1 year of board service in total across 1 board, counting each seat separately. Longest: BillionToOne Inc., 1 year.
Chief executive roles
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Nov 2, 2026 | BillionToOne Inc. | Option exercise | +16,667 | $2.80 | $46,668 |
| Nov 2, 2026 | BillionToOne Inc. | Option exercise | +8,334 | $2.80 | $23,335 |
| Nov 2, 2026 | BillionToOne Inc. | Open-market sale | −1,482 | $107.31 | $159,040 |
| Nov 2, 2026 | BillionToOne Inc. | Open-market sale | −4,009 | $108.25 | $433,960 |
| Nov 2, 2026 | BillionToOne Inc. | Open-market sale | −5,720 | $109.08 | $623,932 |
| Nov 2, 2026 | BillionToOne Inc. | Open-market sale | −3,803 | $110.29 | $419,433 |
| Nov 2, 2026 | BillionToOne Inc. | Open-market sale | −1,117 | $110.98 | $123,963 |
| Nov 2, 2026 | BillionToOne Inc. | Open-market sale | −536 | $112.44 | $60,269 |
| Nov 2, 2026 | BillionToOne Inc. | Open-market sale | −974 | $107.34 | $104,548 |
| Nov 2, 2026 | BillionToOne Inc. | Open-market sale | −2,075 | $108.43 | $224,990 |
| Nov 2, 2026 | BillionToOne Inc. | Open-market sale | −2,451 | $109.11 | $267,440 |
| Nov 2, 2026 | BillionToOne Inc. | Open-market sale | −2,223 | $110.35 | $245,310 |
| Nov 2, 2026 | BillionToOne Inc. | Open-market sale | −411 | $111.03 | $45,632 |
| Nov 2, 2026 | BillionToOne Inc. | Open-market sale | −200 | $112.39 | $22,478 |
| Nov 2, 2026 | BillionToOne Inc. | Open-market sale | −2,667 | $113.17 | $301,824 |
Questions about Oguzhan Atay
What boards is Oguzhan Atay on?
Oguzhan Atay sits on the board of BillionToOne Inc.
What company is Oguzhan Atay the CEO of?
Oguzhan Atay is Chairman and CEO of BillionToOne Inc.
How long has Oguzhan Atay served on boards?
Our records show at least 1 year of board service across 1 board, the earliest from 2025.
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