CIK 0002070849 · Non-accelerated filer<br>Emerging growth company
BillionToOne, Inc.
Sign in to watch- Ticker
- 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 |
|---|---|---|---|---|---|---|
| 2026-06-29 | ten Bosch John Roderick SVP of Laboratory Operations | Sale 10b5-1 | −1,416 | $120.00 | $170K | 33,552 |
| 2026-06-24 | Sakakibara Shan Riku Chief Product Officer | Option exercise 10b5-1 | +4,000 | $8.65 | $35K | 216,000 |
| 2026-06-24 | Sakakibara Shan Riku Chief Product Officer | Sale 10b5-1 | −4,000 | $110.00 | $440K | 212,000 |
| 2026-06-24 | Sakakibara Shan Riku Chief Product Officer | Sale 10b5-1 | −4,000 | $110.00 | $440K | 208,000 |
| 2026-06-24 | Sakakibara Shan Riku Chief Product Officer | Option exercise · Stock Option (right to buy) 10b5-1 | −4,000 | $8.65 | $35K | 36,000 |
| 2026-06-15 | Tsao David Chief Technology Officer | Option exercise 10b5-1 | +10,000 | $2.80 | $28K | 11,000 |
| 2026-06-15 | Tsao David Chief Technology Officer | Option exercise 10b5-1 | +10,000 | $2.80 | $28K | 21,000 |
| 2026-06-15 | Tsao David Chief Technology Officer | Sale 10b5-1 | −1,704 | $100.37 | $171K | 19,296 |
| 2026-06-15 | Tsao David Chief Technology Officer | Sale 10b5-1 | −2,361 | $101.55 | $240K | 16,935 |
| 2026-06-15 | Tsao David Chief Technology Officer | Sale 10b5-1 | −2,816 | $102.77 | $289K | 14,119 |
| 2026-06-15 | Tsao David Chief Technology Officer | Sale 10b5-1 | −2,889 | $103.68 | $300K | 11,230 |
| 2026-06-15 | Tsao David Chief Technology Officer | Sale 10b5-1 | −230 | $104.47 | $24K | 11,000 |
| 2026-06-15 | Tsao David Chief Technology Officer | Sale 10b5-1 | −600 | $98.74 | $59K | 10,400 |
| 2026-06-15 | Tsao David Chief Technology Officer | Sale 10b5-1 | −1,000 | $100.05 | $100K | 9,400 |
| 2026-06-15 | Tsao David Chief Technology Officer | Sale 10b5-1 | −2,461 | $101.37 | $249K | 6,939 |
| 2026-06-15 | Tsao David Chief Technology Officer | Sale 10b5-1 | −2,978 | $102.60 | $306K | 3,961 |
| 2026-06-15 | Tsao David Chief Technology Officer | Sale 10b5-1 | −2,398 | $103.63 | $249K | 1,563 |
| 2026-06-15 | Tsao David Chief Technology Officer | Sale 10b5-1 | −563 | $104.32 | $59K | 1,000 |
| 2026-06-15 | Tsao David Chief Technology Officer | Option exercise · Stock Option (right to buy) 10b5-1 | −10,000 | $2.80 | $28K | 630,000 |
| 2026-06-15 | Tsao David Chief Technology Officer | Option exercise · Stock Option (right to buy) 10b5-1 | −10,000 | $2.80 | $28K | 620,000 |
Page 16 of 32 · 639 trades