4processed
Form 4 — Insider Transaction
BillionToOne, Inc.(BLLN)
Filing Date
June 15, 2026
Accepted
June 15, 2026
Accession No.
0002087127-26-000002
CIK
0002070849
Insider Transactions
| Insider | Title | Type | Shares | Price | Value | Owned After | Security | Date |
|---|---|---|---|---|---|---|---|---|
| Tsao David | Chief Technology Officer | Other | 10.0K | $2.8 | — | 11.0K | Class A Common Stock | Jun 15, 2026 |
| Tsao David | Chief Technology Officer | Other | 10.0K | $2.8 | — | 21.0K | Class A Common Stock | Jun 15, 2026 |
| Tsao David | Chief Technology Officer | Other | 1.7K | $100.372 | — | 19.3K | Class A Common Stock | Jun 15, 2026 |
| Tsao David | Chief Technology Officer | Other | 2.4K | $101.552 | — | 16.9K | Class A Common Stock | Jun 15, 2026 |
| Tsao David | Chief Technology Officer | Other | 2.8K | $102.774 | — | 14.1K | Class A Common Stock | Jun 15, 2026 |
| Tsao David | Chief Technology Officer | Other | 2.9K | $103.684 | — | 11.2K | Class A Common Stock | Jun 15, 2026 |
| Tsao David | Chief Technology Officer | Other | 230 | $104.472 | — | 11.0K | Class A Common Stock | Jun 15, 2026 |
| Tsao David | Chief Technology Officer | Other | 600 | $98.742 | — | 10.4K | Class A Common Stock | Jun 15, 2026 |
| Tsao David | Chief Technology Officer | Other | 1.0K | $100.053 | — | 9.4K | Class A Common Stock | Jun 15, 2026 |
| Tsao David | Chief Technology Officer | Other | 2.5K | $101.371 | — | 6.9K | Class A Common Stock | Jun 15, 2026 |
| Tsao David | Chief Technology Officer | Other | 3.0K | $102.599 | — | 4.0K | Class A Common Stock | Jun 15, 2026 |
| Tsao David | Chief Technology Officer | Other | 2.4K | $103.629 | — | 1.6K | Class A Common Stock | Jun 15, 2026 |
| Tsao David | Chief Technology Officer | Other | 563 | $104.317 | — | 1.0K | Class A Common Stock | Jun 15, 2026 |
| Tsao David | Chief Technology Officer | Other | 10.0K | $2.8 | — | 630.0K | Stock Option (right to buy) | Jun 15, 2026 |
| Tsao David | Chief Technology Officer | Other | 10.0K | $2.8 | — | 620.0K | Stock Option (right to buy) | Jun 15, 2026 |