BLLN insider trading
BillionToOne, Inc.
In the past 36 days, 4 insiders sold $15.4M.
Insider purchases
No open-market purchases by insiders in this period.
Insider sales
| Insider | Value | Holdings | Plan | Traded / filed |
|---|---|---|---|---|
Oguzhan Atay Chairman and CEO |
$1.8M 19,334 sh @ $94.31 |
−11.3% | Pre-scheduled | Oct 12, 2026 Filed Oct 14, 2026 |
David Tsao Chief Technology Officer |
$2.2M 20,000 sh @ $108.15 |
−95.2% | Pre-scheduled | Oct 5, 2026 Filed Oct 7, 2026 |
Bosch John Roderick ten SVP of Laboratory Operations |
$298K 2,834 sh @ $105.15 |
−12.8% | Pre-scheduled | Oct 5, 2026 Filed Oct 7, 2026 |
Oguzhan Atay Chairman and CEO |
$1.3M 10,999 sh @ $120.64 |
−6.6% | Pre-scheduled | Sep 28, 2026 Filed Sep 30, 2026 |
David Tsao Chief Technology Officer |
$417K 3,333 sh @ $125.00 |
−76.9% | Pre-scheduled | Sep 24, 2026 Filed Sep 28, 2026 |
Bosch John Roderick ten SVP of Laboratory Operations |
$170K 1,416 sh @ $120.00 |
−6.0% | Pre-scheduled | Sep 24, 2026 Filed Sep 28, 2026 |
Bosch John Roderick ten SVP of Laboratory Operations |
$151K 1,416 sh @ $106.61 |
−5.7% | Pre-scheduled | Sep 21, 2026 Filed Sep 23, 2026 |
Thomas P. Lynch See Remarks |
$3.9M 35,112 sh @ $110.33 |
−98.0% | Pre-scheduled | Sep 17, 2026 Filed Sep 21, 2026 |
Oguzhan Atay Chairman and CEO |
$3.0M 30,331 sh @ $99.91 |
−16.2% | Pre-scheduled | Sep 14, 2026 Filed Sep 16, 2026 |
David Tsao Chief Technology Officer |
$2.0M 20,000 sh @ $98.77 |
−95.2% | Pre-scheduled | Sep 9, 2026 Filed Sep 11, 2026 |
Bosch John Roderick ten SVP of Laboratory Operations |
$138K 1,416 sh @ $97.54 |
−5.4% | Pre-scheduled | Sep 9, 2026 Filed Sep 11, 2026 |