Gregory L. Weaver, Director at Celsion CORP (CLSN), bought 8,636 shares at $2.77 ($24K) on 2011-05-26, disclosed to the SEC on 2011-05-31.
Open-market purchase of $24k CLSN by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Something here stands out, but not much.
| Filing → |
| ALT | BUY | 2025-03-14 | $52K | — | Filing → |
| ATOS | SELL | 2023-11-17 | $33K | — | Filing → |
| ATOS | BUY | 2023-06-20 | $49K | — | Filing → |