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 |
|---|---|---|---|---|---|---|
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −1,945 | $123.07 | $239K | 1,836 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −1,642 | $123.81 | $203K | 194 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −194 | $124.61 | $24K | 0 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −1,034 | $118.81 | $123K | 186,466 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −591 | $119.67 | $71K | 185,875 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −444 | $120.69 | $54K | 185,431 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −587 | $122.08 | $72K | 184,844 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −2,323 | $123.25 | $286K | 182,521 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −1,221 | $124.04 | $151K | 181,300 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −50 | $124.74 | $6K | 181,250 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −1,034 | $118.81 | $123K | 180,216 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −591 | $119.67 | $71K | 179,625 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −444 | $120.69 | $54K | 179,181 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −586 | $122.08 | $72K | 178,595 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −2,324 | $123.25 | $286K | 176,271 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −1,221 | $124.04 | $151K | 175,050 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −50 | $124.74 | $6K | 175,000 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Option exercise · Stock Option (right to buy) 10b5-1 | −20,000 | $2.80 | $56K | 593,750 |
| 2026-07-06 | Atay Oguzhan Chairman and CEO | Option exercise · Stock Option (right to buy) 10b5-1 | −6,250 | $2.80 | $18K | 587,500 |
| 2026-07-01 | Johnson Nancy JoAnn See Remarks | Sale 10b5-1 | −801 | $124.91 | $100K | 21,099 |
Page 15 of 32 · 639 trades