Bosch John Roderick Ten sold $321K of BLLN stock

Bosch John Roderick Ten, SVP of Laboratory Operations of BillionToOne, Inc. (BLLN), sold 2,834 shares of BLLN stock worth $321K, per an SEC Form 4 filed Nov 5, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Nov 2, 2026, 3 days before it was made public.

BLLN has moved +4.1% since the trade date, from $110.41 to $114.95 (Nov 9, 2026 close).