CIK 0002070849 · Non-accelerated filer<br>Emerging growth company
BillionToOne, Inc.
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- BLLN
- Exchange
- Nasdaq
- Industry
- Services-Medical Laboratories
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 811082020
- Phone
- 650-460-2551
- Business address
- 1035 O'BRIEN DRIVE, MENLO PARK, CA
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $26,737,121
- in 19 filings, $26.7M under 10b5-1 plans
Net −$26,737,121. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-07-09 | Sakakibara Shan Riku Chief Product Officer | Sale 10b5-1 | −1,117 | $125.00 | $140K | 206,709 |
| 2026-07-09 | Sakakibara Shan Riku Chief Product Officer | Sale 10b5-1 | −1,355 | $125.00 | $169K | 205,354 |
| 2026-07-09 | Sakakibara Shan Riku Chief Product Officer | Sale 10b5-1 | −1,354 | $125.00 | $169K | 204,000 |
| 2026-07-09 | Sakakibara Shan Riku Chief Product Officer | Option exercise · Stock Option (right to buy) 10b5-1 | −174 | $8.65 | $2K | 35,826 |
| 2026-07-09 | Sakakibara Shan Riku Chief Product Officer | Option exercise · Stock Option (right to buy) 10b5-1 | −1,117 | $30.78 | $34K | 63,883 |
| 2026-07-09 | Sakakibara Shan Riku Chief Product Officer | Option exercise · Stock Option (right to buy) 10b5-1 | −1,355 | $30.78 | $42K | 62,528 |
| 2026-07-09 | Sakakibara Shan Riku Chief Product Officer | Option exercise · Stock Option (right to buy) 10b5-1 | −1,354 | $30.78 | $42K | 61,174 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Option exercise 10b5-1 | +20,000 | $2.80 | $56K | 20,000 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Option exercise 10b5-1 | +6,250 | $2.80 | $18K | 26,250 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −1,320 | $118.49 | $156K | 24,930 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −3,639 | $119.37 | $434K | 21,291 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −1,828 | $120.66 | $221K | 19,463 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −1,115 | $121.84 | $136K | 18,348 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −6,223 | $123.07 | $766K | 12,125 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −5,253 | $123.81 | $650K | 6,872 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −622 | $124.61 | $78K | 6,250 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −412 | $118.49 | $49K | 5,838 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −1,138 | $119.36 | $136K | 4,700 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −570 | $120.66 | $69K | 4,130 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −349 | $121.84 | $43K | 3,781 |
Page 14 of 32 · 639 trades