Michael B. Hoffman, Director, 10% Owner at Onconova Therapeutics, Inc. (ONTX), bought 19,700 shares at $11.99 ($236K) on 2013-11-15, disclosed to the SEC on 2013-11-18.
Open-market purchase of $236k 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.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $11.95 | 5,000 | $60K | 25.3% |
| 2 | $11.97 | 7,800 | $93K | 39.5% |
| 3 | $11.99 | 5,000 | $60K | 25.4% |
| 4 | $12.21 | 1,900 | $23K | 9.8% |
| Total | $11.99 avg | 19,700 | $236K | 100% |
| Filing → |
| ANVS | BUY | 2025-12-08 | $194K | — | Filing → |
| ANVS | BUY | 2025-11-25 | $276K | — | Filing → |
| ANVS | BUY | 2025-11-21 | $70K | — | Filing → |