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 |
|---|---|---|---|---|---|---|
| 2026-08-26 | KOLLURI KRISHNA KITTU Director | Other acquisition | +719 | 2,157 | ||
| 2026-08-26 | KOLLURI KRISHNA KITTU Director | Other acquisition | +719 | 2,157 | ||
| 2026-08-26 | KOLLURI KRISHNA KITTU Director | Other acquisition | +5,761 | 35,285 | ||
| 2026-08-26 | KOLLURI KRISHNA KITTU Director | Other acquisition | +1,666 | 36,951 | ||
| 2026-08-26 | KOLLURI KRISHNA KITTU Director | Other acquisition | +15,244 | 52,195 | ||
| 2026-08-26 | KOLLURI KRISHNA KITTU Director | Other acquisition | +5,644 | 57,839 | ||
| 2026-08-25 | Tsao David Chief Technology Officer | Option exercise 10b5-1 | +10,000 | $2.80 | $28K | 11,000 |
| 2026-08-25 | Tsao David Chief Technology Officer | Sale 10b5-1 | −10,000 | $100.00 | $1.0M | 1,000 |
| 2026-08-25 | Tsao David Chief Technology Officer | Option exercise · Stock Option (right to buy) 10b5-1 | −10,000 | $2.80 | $28K | 580,000 |
| 2026-08-25 | ten Bosch John Roderick SVP of Laboratory Operations | Sale 10b5-1 | −1,417 | $100.00 | $142K | 26,467 |
| 2026-08-10 | ten Bosch John Roderick SVP of Laboratory Operations | Sale 10b5-1 | −1,417 | $92.86 | $132K | 27,884 |
| 2026-08-10 | Tsao David Chief Technology Officer | Option exercise 10b5-1 | +10,000 | $2.80 | $28K | 11,000 |
| 2026-08-10 | Tsao David Chief Technology Officer | Sale 10b5-1 | −10,000 | $92.86 | $929K | 1,000 |
| 2026-08-10 | Tsao David Chief Technology Officer | Option exercise · Stock Option (right to buy) 10b5-1 | −10,000 | $2.80 | $28K | 590,000 |
| 2026-08-05 | Atay Oguzhan Chairman and CEO | Option exercise 10b5-1 | +15,539 | $2.80 | $44K | 15,539 |
| 2026-08-05 | Atay Oguzhan Chairman and CEO | Sale 10b5-1 | −15,539 | $150.03 | $2.3M | 0 |
| 2026-08-05 | Atay Oguzhan Chairman and CEO | Option exercise · Stock Option (right to buy) 10b5-1 | −15,539 | $2.80 | $44K | 526,961 |
| 2026-08-03 | Atay Oguzhan Chairman and CEO | Option exercise 10b5-1 | +20,000 | $2.80 | $56K | 20,000 |
| 2026-08-03 | Atay Oguzhan Chairman and CEO | Option exercise 10b5-1 | +6,250 | $2.80 | $18K | 26,250 |
| 2026-08-03 | Atay Oguzhan Chairman and CEO | Option exercise 10b5-1 | +6,250 | $2.80 | $18K | 32,500 |
Page 10 of 32 · 639 trades