OA
Insider selling
Oguzhan Atay sold $1.8M of BillionToOne, Inc. (BLLN) stock
Oguzhan Atay, Chairman and CEO of BillionToOne, Inc. (BLLN), sold 19,334 shares of BLLN stock worth $1.8M, per an SEC Form 4 filed Oct 14, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Oct 12, 2026, 2 days before it was made public.
BLLN has moved +1.5% since the trade date, from $93.07 to $94.44 (Oct 13, 2026 close).
- Traded
- Oct 12, 2026
- Disclosed
- Oct 14, 2026
- Filing delay
- 2 days
- Price since
- +1.5%
- 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.