AlphaYouOA
Insider selling
Oguzhan Atay sold $3M of BillionToOne, Inc. (BLLN) stock
Oguzhan Atay, Chairman and CEO of BillionToOne, Inc. (BLLN), sold 30,331 shares of BLLN stock worth $3M, per an SEC Form 4 filed Sep 16, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Sep 14, 2026, 2 days before it was made public.
BLLN has moved +3.0% since the trade date, from $100.82 to $103.86 (Sep 21, 2026 close).
- Traded
- Sep 14, 2026
- Disclosed
- Sep 16, 2026
- Filing delay
- 2 days
- Price since
- +3.0%
- Role
- Chairman and CEO
- 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.