AlphaYouOA
Insider selling
Oguzhan Atay sold $1.3M of BillionToOne, Inc. (BLLN) stock
Oguzhan Atay, Chairman and CEO of BillionToOne, Inc. (BLLN), sold 10,999 shares of BLLN stock worth $1.3M, per an SEC Form 4 filed Oct 1, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Sep 28, 2026, 3 days before it was made public.
BLLN has moved -12.6% since the trade date, from $121.72 to $106.44 (Sep 30, 2026 close).
- Traded
- Sep 28, 2026
- Disclosed
- Oct 1, 2026
- Filing delay
- 3 days
- Price since
- -12.6%
- 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.