Form 4 for BLLN BillionToOne, Inc.
Accepted 2026-08-04 16:32:43 ET · period of report 2026-07-31 · accession 0002088547-26-000008 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| T | 2026-08-04 16:32 | 2026-07-31 | BLLN | Sakakibara Shan Riku | Chief Product Off | S - Sale | $140.21 | -4,000 | 200.0K | -2% | -$560.8K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class A Common Stock | 2026-07-31 | S | D | 4,000 | $140.21 | 200,000 | D | — | — | (F1) The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 6, 2026. |