Shan Riku Sakakibara
Chief Product Officer · BillionToOne, Inc.
- 2025
- Sep 14, 2026
- 6
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Shan Riku Sakakibara files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Oguzhan Atay - $27.17M in BLLN purchases and sales in the last 12 months
- David Tsao - $11.09M in BLLN purchases and sales in the last 12 months
- Thomas P. Lynch - $5.88M in BLLN purchases and sales in the last 12 months
- Nancy Joann Johnson - $3.74M in BLLN purchases and sales in the last 12 months
- Thomas S. Bremner - $2.50M in BLLN purchases and sales in the last 12 months
- Bosch John Roderick Ten - $2.07M in BLLN purchases and sales in the last 12 months
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Frequently asked questions
Who is Shan Riku Sakakibara?
Shan Riku Sakakibara is a corporate insider, tracked as Chief Product Officer of BillionToOne, Inc. (BLLN). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Shan Riku Sakakibara submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Shan Riku Sakakibara been buying or selling stock?
Recorded transactions: 0 open-market purchases and 10 open-market sales ($3.23M) across all tracked filings.
