Skip to contentSakakibara Shan Riku — BillionToOne, Inc. insider: 14 transactions · InsiderLensSakakibara Shan Riku
- Chief Product Officer at BillionToOne, Inc. · on record since Jun 10, 2026
Insider trading activity of Sakakibara Shan Riku
- Transactions on record
- 14
- since Nov 12, 2025
- Open-market buys
- 0
- Open-market sells
- 4
- $785.8K
- Companies traded
- 1
- last filing Jun 26, 2026
Figures computed from official regulatory filings — methodology.
Companies where Sakakibara Shan Riku has traded
Track record of Sakakibara Shan Riku
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of Sakakibara Shan Riku
Co-insiders of Sakakibara Shan Riku
This page republishes public regulatory disclosures. Concerned by this data? Exercise your right to object →
Hummingbird Ventures III CommVBillionToOne, Inc.
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Jun 26, 2026 | Sell | -4,000 | 110.00 USD | — | SEC |
| Jun 26, 2026 | ExerciseD | -4,000 | 8.65 USD | — | SEC |
| Jun 26, 2026 | Exercise | 4,000 | 8.65 USD | — | SEC |
| Jun 26, 2026 | Sell | -4,000 | 110.00 USD | — | SEC |
| Jun 10, 2026 | Sell | -4,000 | 100.00 USD | $400K | SEC |
| Jun 10, 2026 | Sell | -4,000 | 96.45 USD | $385.8K | SEC |
| Nov 12, 2025 | OtherD | 40,000 | — | — | SEC |
| Nov 12, 2025 | Other | -220,000 | — | — | SEC |
| Nov 12, 2025 | OtherD | 65,000 | — | — | SEC |
| Nov 12, 2025 | OtherD | -50,000 | — | — | SEC |
| Nov 12, 2025 | OtherD | -40,000 | — | — | SEC |
| Nov 12, 2025 | Other | 220,000 | — | — | SEC |
| Nov 12, 2025 | OtherD | 50,000 | — | — | SEC |
| Nov 12, 2025 | OtherD | -65,000 | — | — | SEC |