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Sakakibara Shan Riku
Chief Product OfficerCIK 0002088547
Largest Purchase
No open-market purchases in the recent filings.
Profile
- Filings
- 6
- Buy transactions
- 0
- Sell transactions
- 10
- Companies
- 1
- Active
- 2025–2026
Across 6 filings between 2025–2026, Sakakibara Shan Riku, Chief Product Officer, has disclosed $8.5M in transactions — all concentrated in BillionToOne, Inc. (BLLN). Their disclosed trades are heavily weighted toward selling — $0 in buys and $3.2M in sells. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
6 loaded
| Aug 4 | BLLN BillionToOne, Inc. | Sakakibara Shan Riku | Chief Product Officer | Sell | $560.8K |
| Jul 13 | BLLN BillionToOne, Inc. | Sakakibara Shan Riku | Chief Product Officer | Sell | $1.0M |
| Jun 26 | BLLN BillionToOne, Inc. | Sakakibara Shan Riku | Chief Product Officer | Sell | $880.0K |
| Jun 10 | BLLN BillionToOne, Inc. | Sakakibara Shan Riku | Chief Product Officer | Sell | $785.8K |
| Nov 12 | BLLN BillionToOne, Inc. | Sakakibara Shan Riku | Insider | Other | $5.0M |
| Nov 5 | BLLN BillionToOne, Inc. | Sakakibara Shan Riku | Insider | Other | $0 |
6 filings