John Richard Sylvester, Director at DELCATH SYSTEMS, INC. (DCTH), bought 4,386 shares at $8.89 ($39K) on 2025-11-21, disclosed to the SEC on 2025-11-25.
Open-market purchase of $39k DCTH 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.