BillionToOne, Inc. (BLLN) has 6 open-market insider trades by 6 insiders since 2025. The most active filer is Thomas S. Bremner, Director.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Thomas S. Bremner | Dir | — | 1 | $2.5M | 2026-06-10 |
| Nancy JoAnn Johnson | — | — | 1 | $414K | 2026-07-16 |
| Akshay Rai | Dir | — | 1 | $150K | 2026-06-10 |
| David Tsao | CTO | — | 1 | $60K | 2026-10-05 |
| John Roderick ten Bosch | VP | — | 1 | $48K | 2026-10-05 |
| Thomas P. Lynch | — | — | 1 | $6K | 2026-09-17 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Oguzhan Atay | CEO & Chairman | Sell | $1.1M | 2026-10-14 |
| Oguzhan Atay | CEO & Chairman | Sell | $1.8M | 2026-10-12 |
| David Tsao | CTO | Sell | $2.2M | 2026-10-05 |
| John Roderick ten Bosch | VP | Sell | $149K | 2026-10-05 |
| Oguzhan Atay | CEO & Chairman | Sell | $1.3M | 2026-09-28 |
| John Roderick ten Bosch | VP | Sell | $170K | 2026-09-24 |
Companies that share insiders with BLLN, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| David Tsao | CTO | Sell | $417K | 2026-09-24 |
| John Roderick ten Bosch | VP | Sell | $151K | 2026-09-21 |
| Thomas P. Lynch | — | Sell | $3.9M | 2026-09-17 |
| Oguzhan Atay | CEO & Chairman | Sell | $2.8M | 2026-09-14 |
| David Tsao | CTO | Sell | $2.0M | 2026-09-09 |
| John Roderick ten Bosch | VP | Sell | $138K | 2026-09-09 |
| Thomas P. Lynch | — | Sell | $2.0M | 2026-09-08 |
| John Roderick ten Bosch | VP | Sell | $142K | 2026-08-25 |
| David Tsao | CTO | Sell | $1.0M | 2026-08-25 |