Michael B. Hoffman, Director, 10% Owner at Onconova Therapeutics, Inc. (ONTX), bought 5,000 shares at $11.87 ($59K) on 2013-11-18, disclosed to the SEC on 2013-11-20.
Open-market purchase of $59k ONTX by Director, 10% Owner. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.
| Filing → |
| ANVS | BUY | 2025-12-08 | $194K | — | Filing → |
| ANVS | BUY | 2025-11-25 | $276K | — | Filing → |
| ANVS | BUY | 2025-11-21 | $70K | — | Filing → |