CUSIP No. 29268T102
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1. Names of Reporting Person
S.S. or I.R.S. Identificaiton No. of Above Person
David Gelbaum, Trustee, The Quercus Trust
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2. Check the Appropriate Box if a Member of a Group
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(a) x
(b) o
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3. SEC Use Only
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4. Source of Funds
PF
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5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) o
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6. Citizenship or Place of Organization
U.S.
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Number of Shares
Beneficially
Owned by
Each Reporting
Person With:
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7. Sole Voting Power
-0-
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8. Shared Voting Power
6,046,338 (1)
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9. Sole Dispositive Power
-0-
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10. Shared Dispositive Power
6,046,338 (1)
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11. Aggregate Amount Beneficially Owned by Each Reporting Person
6,046,338 (1)
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12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares o
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13. Percent of Class Represented by Amount in Row (11)
25.7%
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14. Type of Reporting Person
IN
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CUSIP No. 29268T102
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1. Names of Reporting Person
S.S. or I.R.S. Identificaiton No. of Above Person
Monica Chavez Gelbaum, Trustee, The Quercus Trust
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2. Check the Appropriate Box if a Member of a Group
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(a) x
(b) o
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3. SEC Use Only
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4. Source of Funds
PF
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5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) o
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6. Citizenship or Place of Organization
U.S.
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Number of Shares
Beneficially
Owned by
Each Reporting
Person With:
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7. Sole Voting Power
-0-
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8. Shared Voting Power
6,046,338 (1)
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9. Sole Dispositive Power
-0-
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10. Shared Dispositive Power
6,046,338 (1)
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11. Aggregate Amount Beneficially Owned by Each Reporting Person
6,046,338 (1)
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12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares o
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13. Percent of Class Represented by Amount in Row (11)
25.7%
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14. Type of Reporting Person
IN
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CUSIP No. 29268T102
|
|
1. Names of Reporting Person
S.S. or I.R.S. Identificaiton No. of Above Person
The Quercus Trust
|
|
2. Check the Appropriate Box if a Member of a Group
|
|
(a) x
(b) o
|
|
|
|
3. SEC Use Only
|
|
4. Source of Funds
PF
|
|
5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) o
|
|
6. Citizenship or Place of Organization
U.S.
|
|
Number of Shares
Beneficially
Owned by
Each Reporting
Person With:
|
7. Sole Voting Power
-0-
|
8. Shared Voting Power
6,046,338 (1)
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|
9. Sole Dispositive Power
-0-
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|
10. Shared Dispositive Power
6,046,338 (1)
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11. Aggregate Amount Beneficially Owned by Each Reporting Person
6,046,338 (1)
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|
12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares o
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13. Percent of Class Represented by Amount in Row (11)
25.7%
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14. Type of Reporting Person
OO
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Date | Number of Shares |
Range of Sale
Prices ($/Sh)
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Weighted-Average
Sale Price ($/Sh)
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09/16/2010
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6,400
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$1.58-1.64
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$1.5981
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09/17/2010
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10,300
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$1.57-1.85
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$1.6905
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09/20/2010
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7,700
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$1.69-1.76
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$1.7258
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09/21/2010
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5,070
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$1.73-1.77
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$1.7471
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09/22/2010
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21,000
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$1.54-1.74
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$1.5759
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09/23/2010
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13,000
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$1.49-1.58
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$1.5483
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09/24/2010
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11,000
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$1.53-1.57
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$1.5405
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09/27/2010
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3,000
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$1.54-1.58
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$1.5458
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09/28/2010
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1,800
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$1.56
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$1.5600
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09/29/2010
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3,000
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$1.52-1.56
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$1.5262
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09/30/2010
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3,000
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$1.51-1.54
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$1.5149
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10/01/2010
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10,000
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$1.40-1.45
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$1.4115
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10/04/2010
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27,000
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$1.13-1.15
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$1.1348
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10/05/2010
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56,330
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$1-1.145
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$1.0197
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10/06/2010
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38,000
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$1-1.16
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$1.1355
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10/07/2010
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42,000
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$1.13-1.3925
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$1.287
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10/08/2010
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22,500
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$1.33-1.38
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$1.3552
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10/11/2010
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16,200 | $1.16-1.36 | $1.2117 | |||
10/12/2010
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9,000 | $1.22-1.25 | $1.2209 | |||
Total
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306,300 |
Dated: October 12, 2010
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/s/ David Gelbaum
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David Gelbaum, Co-Trustee of The Quercus Trust
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/s/ David Gelbaum, as Attorney-In-Fact for Monica Chavez Gelbaum
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Monica Chavez Gelbaum, Co-Trustee of The Quercus Trust
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/s/ David Gelbaum
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The Quercus Trust, David Gelbaum, Co-Trustee of The Quercus Trust
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Dated: October 12, 2010
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/s/ David Gelbaum
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David Gelbaum, Co-Trustee of The Quercus Trust
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/s/ David Gelbaum, as Attorney-In-Fact for Monica Chavez Gelbaum
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Monica Chavez Gelbaum, Co-Trustee of The Quercus Trust
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/s/ David Gelbaum
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The Quercus Trust, David Gelbaum, Co-Trustee of The Quercus Trust
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