David R. Strayer, Insider at HEMISPHERX BIOPHARMA INC (HEB), bought 28,500 shares at $0.35 ($10K) on 2008-09-25, disclosed to the SEC on 2008-10-06.
Open-market purchase of $10k HEB by Insider. 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 → |
| HEB | BUY | 2017-02-21 | $5K | — | Filing → |
| HEB | BUY | 2012-05-21 | $13K | — | Filing → |
| HEB | SELL | 2010-06-24 | $28K | — | Filing → |