Jason Raleigh Nunn, Director at Zenas BioPharma, Inc. (ZBIO), bought 63,158 shares at $19.00 ($1.2M) on 2025-10-09, disclosed to the SEC on 2025-10-14.
Open-market purchase of $1.2M ZBIO by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade D.
Nothing distinguishes this filing.