OA
Insider selling
Oguzhan Atay sold $1.1M of BLLN stock
Oguzhan Atay, Chairman and CEO of BillionToOne, Inc. (BLLN), sold 11,000 shares of BLLN stock worth $1.1M, per an SEC Form 4 filed Oct 16, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Oct 14, 2026, 2 days before it was made public.
BLLN has moved +5.7% since the trade date, from $97.88 to $103.50 (Oct 20, 2026 close).
- Traded
- Oct 14, 2026
- Disclosed
- Oct 16, 2026
- Filing delay
- 2 days
- Price since
- +5.7%
- 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.