Robert S. Greenberg serves as Executive at ACTIVE POWER INC, where they oversee executive responsibilities. Since joining the company, Robert S. Greenberg has executed 19 insider transactions totaling $122.3K, demonstrating a bullish approach to their equity position. Their most recent transaction on Jun 15, 2015 involved purchasing 5,000 shares valued at $10.3K.
Robert S. Greenberg currently holds 33,260 shares of ACTIVE POWER INC (ACPW), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Robert S. Greenberg has been a net buyer of ACPW stock. They have purchased $122.3K and sold $0 worth of shares.
Robert S. Greenberg's most recent insider trade was on Jun 15, 2015, when they purchased 5,000 shares at $2.07 per share.
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| $2.00 |
| Discretionary |
| Dec 2, 2014 | ACPW | $5.0K | Purchase | 2,660 | $1.88 | Discretionary |
| Mar 3, 2014 | ACPW | $9.4K | Purchase | 3,000 | $3.15 | Discretionary |
| Aug 6, 2013 | ACPW | $5.4K | Purchase | 1,500 | $3.63 | Discretionary |
| Nov 16, 2012 | ACPW | $4.7K | Purchase | 8,000 | $0.59 | Discretionary |
| May 17, 2012 | ACPW | $0 | Award | 15,000 | $N/A | Discretionary |
| May 1, 2012 | ACPW | $4.5K | Purchase | 5,000 | $0.89 | Discretionary |
| Nov 21, 2011 | ACPW | $3.6K | Purchase | 5,000 | $0.73 | Discretionary |
| Aug 9, 2011 | ACPW | $6.5K | Purchase | 5,000 | $1.29 | Discretionary |
| Jul 29, 2011 | ACPW | $8.8K | Purchase | 5,000 | $1.75 | Discretionary |
| May 10, 2011 | ACPW | $12.1K | Purchase | 5,000 | $2.41 | Discretionary |
| Feb 22, 2011 | ACPW | $12.6K | Purchase | 5,000 | $2.52 | Discretionary |
| Nov 2, 2010 | ACPW | $8.8K | Purchase | 5,000 | $1.75 | Discretionary |
| Aug 18, 2010 | ACPW | $6.0K | Purchase | 5,000 | $1.20 | Discretionary |
| Apr 29, 2010 | ACPW | $4.0K | Purchase | 5,000 | $0.79 | Discretionary |
| Feb 24, 2010 | ACPW | $4.1K | Purchase | 5,000 | $0.82 | Discretionary |
| Aug 21, 2009 | ACPW | $3.8K | Purchase | 5,000 | $0.76 | Discretionary |
| Aug 21, 2009 | ACPW | $3.8K | Purchase | 5,000 | $0.76 | Discretionary |