Robert S. Greenberg, Director at ACTIVE POWER INC (ACPW), bought 5,000 shares at $0.73 ($4K) on 2011-11-21, disclosed to the SEC on 2011-11-22.
Open-market purchase of $4k ACPW by Director. 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 → |
| ACPW | BUY | 2014-12-03 | $5K | — | Filing → |
| ACPW | BUY | 2014-03-03 | $9K | — | Filing → |
| ACPW | BUY | 2013-08-07 | $5K | — | Filing → |