Insider · CIK 0002087127
David Tsao
Files at: BLLN. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 9, 2026 SForm 4 → | Sep 11, 6:01 pm EDT | BillionToOne, Inc.BLLN | 20,000 | $98.77 | $1,975,400 | 1,000 | −95.2% | 10b5-1 |
| Sep 9, 2026 MForm 4 → | Sep 11, 6:01 pm EDT | BillionToOne, Inc.BLLN | 20,000 | $2.80 | $56,000 | 21,000 | — | 10b5-1 |
| Sep 3, 2026 CGForm 4 → | Sep 8, 9:55 pm EDT | BillionToOne, Inc.BLLN | 40,000 | — | — | 1,000 | — |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 9, 2026 MForm 4 → | Sep 11, 6:01 pm EDT | BillionToOne, Inc.BLLN | 20,000 | $2.80 | $56,000 | 560,000 | — | 10b5-1 |
| Sep 3, 2026 CForm 4 → | Sep 8, 9:55 pm EDT | BillionToOne, Inc.BLLN | 20,000 | — | — | 2,305,108 | — |