BillionToOne, Inc. insider trading
BLLN$95.41-0.34 (-0.36% today)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Nov 6, 2025 to Oct 8, 2026. Price (-12.4%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ3 '25Q4 '25Q1 '26Q2 '26Q3 '26Q4 '26
Unlock quarterly net flowKey players
- SRShan Riku Sakakibara0.4608%
- OAOguzhan Atay0.3623%
- KKKrishna Kittu Kolluri0.1356%
- FIFirat Ileri0.0946%
- JRJohn Roderick ten Bosch0.0455%
- ARAkshay Rai0.0329%
- TSThomas S. Bremner0.0266%
- APAnthony Pagano0.0186%
- NJNancy JoAnn Johnson0.0162%
- DTDavid Tsao0.0023%
AI Activity Analysis
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| BLLN | John Roderick ten Bosch | Open market sell$149K | -6.8% | $105.15 | $149K | Oct 5, 2026 | Oct 7, 2026 |
| BLLN | John Roderick ten Bosch | Open market sell$149K | -6.4% | $105.15 | $149K | Oct 5, 2026 | Oct 7, 2026 |
| BLLN | John Roderick ten Bosch | Open market sell$170K | -6.0% | $120.00 | $170K | Sep 24, 2026 | Sep 28, 2026 |
| BLLN | John Roderick ten Bosch | Open market sell$151K | -5.7% | $106.61 | $151K | Sep 21, 2026 | Sep 23, 2026 |
| BLLN | John Roderick ten Bosch | Open market sell$138K | -5.4% | $97.54 | $138K | Sep 9, 2026 | Sep 11, 2026 |
| BLLN | John Roderick ten Bosch | Open market sell$142K | -5.1% | $100.00 | $142K | Aug 25, 2026 | Aug 27, 2026 |
| BLLN | John Roderick ten Bosch | Open market sell$132K | -4.8% | $92.86 | $132K | Aug 10, 2026 | Aug 12, 2026 |
| BLLN | Shan Riku Sakakibara | Open market sell$561K | -2.0% | $140.21 | $561K | Jul 31, 2026 | Aug 4, 2026 |
| BLLN | Nancy JoAnn Johnson | Open market sell$118K | -11.6% | $129.78 | $118K | Jul 16, 2026 | Jul 20, 2026 |
| BLLN | Nancy JoAnn Johnson | Open market sell$722K | -41.8% | $128.96 | $722K | Jul 16, 2026 | Jul 20, 2026 |
| BLLN | Nancy JoAnn Johnson | Open market sell$711K | -29.3% | $127.89 | $711K | Jul 16, 2026 | Jul 20, 2026 |
| BLLN | Nancy JoAnn Johnson | Open market sell$271K | -10.1% | $126.98 | $271K | Jul 16, 2026 | Jul 20, 2026 |
| BLLN | John Roderick ten Bosch | Open market sell$178K | -4.6% | $125.46 | $178K | Jul 13, 2026 | Jul 15, 2026 |
| BLLN | John Roderick ten Bosch | Open market sell$178K | -4.4% | $125.46 | $178K | Jul 13, 2026 | Jul 15, 2026 |
| BLLN | John Roderick ten Bosch | Open market sell$178K | -4.2% | $125.46 | $178K | Jul 13, 2026 | Jul 15, 2026 |
| BLLN | Nancy JoAnn Johnson | Open market sell$100K | -3.7% | $124.91 | $100K | Jul 1, 2026 | Jul 6, 2026 |
| BLLN | John Roderick ten Bosch | Open market sell$170K | -4.1% | $120.00 | $170K | Jun 29, 2026 | Jul 1, 2026 |
| BLLN | John Roderick ten Bosch | Open market sell$144K | -3.9% | $101.47 | $144K | Jun 15, 2026 | Jun 17, 2026 |
| BLLN | John Roderick ten Bosch | Open market sell$144K | -3.8% | $101.47 | $144K | Jun 15, 2026 | Jun 17, 2026 |
| BLLN | Nancy JoAnn Johnson | Open market sell$140K | -6.0% | $100.31 | $140K | Jun 9, 2026 | Jun 10, 2026 |
| BLLN | Nancy JoAnn Johnson | Open market sell$186K | -7.2% | $102.34 | $186K | Jun 9, 2026 | Jun 10, 2026 |
| BLLN | Nancy JoAnn Johnson | Open market sell$274K | -9.7% | $101.38 | $274K | Jun 9, 2026 | Jun 10, 2026 |
| BLLN | Nancy JoAnn Johnson | Open market sell$463K | -14.4% | $99.27 | $463K | Jun 9, 2026 | Jun 10, 2026 |
| BLLN | Shan Riku Sakakibara | Open market sell$400K | -1.9% | $100.00 | $400K | Jun 8, 2026 | Jun 10, 2026 |
| BLLN | Shan Riku Sakakibara | Open market sell$386K | -1.8% | $96.45 | $386K | Jun 8, 2026 | Jun 10, 2026 |
| BLLN | Nancy JoAnn Johnson | Open market sell$20.2K | -0.6% | $100.99 | $20.2K | Jun 8, 2026 | Jun 10, 2026 |
| BLLN | Nancy JoAnn Johnson | Open market sell$30K | -0.9% | $100.05 | $30K | Jun 8, 2026 | Jun 10, 2026 |
| BLLN | Nancy JoAnn Johnson | Open market sell$289K | -8.1% | $99.09 | $289K | Jun 8, 2026 | Jun 10, 2026 |
| BLLN | Thomas P. Lynch | Open market purchase$6K | +16.7% | $60.00 | $6K | Nov 7, 2025 | Nov 12, 2025 |
| BLLN | David Tsao | Open market purchase$60K | 0.0% | $60.00 | $60K | Nov 7, 2025 | Nov 12, 2025 |
| BLLN | John Roderick ten Bosch | Open market purchase$48K | +2.2% | $60.00 | $48K | Nov 7, 2025 | Nov 12, 2025 |
| BLLN | Nancy JoAnn Johnson | Open market purchase$414K | +23.8% | $60.00 | $414K | Nov 7, 2025 | Nov 12, 2025 |
| BLLN | Akshay Rai | Open market purchase$150K | +0.1% | $60.00 | $150K | Nov 7, 2025 | Nov 12, 2025 |
| BLLN | Thomas S. Bremner | Open market purchase$1.07M | +2.1% | $60.00 | $1.07M | Nov 7, 2025 | Nov 10, 2025 |
| BLLN | Thomas S. Bremner | Open market purchase$412K | +1.6% | $60.00 | $412K | Nov 7, 2025 | Nov 10, 2025 |
| BLLN | Thomas S. Bremner | Open market purchase$327K | +1.2% | $60.00 | $327K | Nov 7, 2025 | Nov 10, 2025 |
| BLLN | Thomas S. Bremner | Open market purchase$208K | +0.4% | $60.00 | $208K | Nov 7, 2025 | Nov 10, 2025 |
| BLLN | Thomas S. Bremner | Open market purchase$245K | +0.5% | $60.00 | $245K | Nov 7, 2025 | Nov 10, 2025 |
| BLLN | Thomas S. Bremner | Open market purchase$241K | +0.5% | $60.00 | $241K | Nov 7, 2025 | Nov 10, 2025 |