AlphaYouOA
Insider selling
Oguzhan Atay sold $2.3M of BillionToOne, Inc. (BLLN) stock
Oguzhan Atay, Chairman and CEO of BillionToOne, Inc. (BLLN), sold 15,539 shares of BLLN stock worth $2.3M, per an SEC Form 4 filed Aug 7, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Aug 5, 2026, 2 days before it was made public.
BLLN has moved -22.6% since the trade date, from $149.97 to $116.07 (Sep 22, 2026 close).
- Traded
- Aug 5, 2026
- Disclosed
- Aug 7, 2026
- Filing delay
- 2 days
- Price since
- -22.6%
- 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.