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 | — | |
| Aug 25, 2026 SForm 4 → | Aug 27, 8:19 pm EDT | BillionToOne, Inc.BLLN | 10,000 | $100.00 | $1,000,000 | 1,000 | −90.9% | 10b5-1 |
| Aug 25, 2026 MForm 4 → | Aug 27, 8:19 pm EDT | BillionToOne, Inc.BLLN | 10,000 | $2.80 | $28,000 | 11,000 | — | 10b5-1 |
| Aug 10, 2026 SForm 4 → | Aug 12, 6:51 pm EDT | BillionToOne, Inc.BLLN | 10,000 | $92.86 | $928,600 | 1,000 | −90.9% | 10b5-1 |
| Aug 10, 2026 MForm 4 → | Aug 12, 6:51 pm EDT | BillionToOne, Inc.BLLN | 10,000 | $2.80 | $28,000 | 11,000 | — | 10b5-1 |
| Jul 13, 2026 SForm 4 → | Jul 15, 4:38 pm EDT | BillionToOne, Inc.BLLN | 20,000 | $124.88 | $2,497,698 | 1,000 | −95.2% | 10b5-1 |
| Jul 13, 2026 MForm 4 → | Jul 15, 4:38 pm EDT | BillionToOne, Inc.BLLN | 20,000 | $2.80 | $56,000 | 21,000 | — | 10b5-1 |
| Jun 15, 2026 SForm 4 → | Jun 17, 5:47 pm EDT | BillionToOne, Inc.BLLN | 20,000 | $102.27 | $2,045,326 | 1,000 | −95.2% | 10b5-1 |
| Jun 15, 2026 MForm 4 → | Jun 17, 5:47 pm EDT | BillionToOne, Inc.BLLN | 20,000 | $2.80 | $56,000 | 21,000 | — | 10b5-1 |
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 | — | |
| Aug 25, 2026 MForm 4 → | Aug 27, 8:19 pm EDT | BillionToOne, Inc.BLLN | 10,000 | $2.80 | $28,000 | 580,000 | — | 10b5-1 |
| Aug 10, 2026 MForm 4 → | Aug 12, 6:51 pm EDT | BillionToOne, Inc.BLLN | 10,000 | $2.80 | $28,000 | 590,000 | — | 10b5-1 |
| Jul 13, 2026 MForm 4 → | Jul 15, 4:38 pm EDT | BillionToOne, Inc.BLLN | 20,000 | $2.80 | $56,000 | 600,000 | — | 10b5-1 |
| Jun 15, 2026 MForm 4 → | Jun 17, 5:47 pm EDT | BillionToOne, Inc.BLLN | 20,000 | $2.80 | $56,000 | 620,000 | — | 10b5-1 |