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Insider selling
Shan Riku Sakakibara sold $561K of BillionToOne, Inc. (BLLN) stock
Shan Riku Sakakibara, Chief Product Officer of BillionToOne, Inc. (BLLN), sold 4,000 shares of BLLN stock worth $561K, per an SEC Form 4 filed Aug 4, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Jul 31, 2026, 4 days before it was made public.
BLLN has moved -29.2% since the trade date, from $138.60 to $98.09 (Oct 9, 2026 close).
- Traded
- Jul 31, 2026
- Disclosed
- Aug 4, 2026
- Filing delay
- 4 days
- Price since
- -29.2%
- Role
- Chief Product Officer
- Source
- SEC Form 4
More BLLN insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.