Kevin Tang bought $350K of BOLD stock

Kevin Tang, 10% owner of Boundless Bio, Inc. (BOLD), bought 149,474 shares of BOLD stock worth $350K, per an SEC Form 4 filed Oct 20, 2026.

It was an open-market purchase.

The trade happened on Oct 16, 2026, 4 days before it was made public.

BOLD has moved +5.1% since the trade date, from $2.34 to $2.46 (Nov 9, 2026 close).