David Tsao, Chief Technology Officer at BillionToOne, Inc. (BLLN), sold 10,000 shares at $92.86 ($929K) on 2026-08-10, disclosed to the SEC on 2026-08-12.
Scheduled sale ($929k) by Chief Technology Officer under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
Nothing distinguishes this filing.
| Filing → |
| BLLN | SELL | 2026-09-11 | $2.0M | — | Filing → |
| BLLN | SELL | 2026-08-27 | $1.0M | — | Filing → |
| BLLN | SELL | 2026-07-15 | $2.5M | — | Filing → |