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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001019687-08-001971
Filing Date
2008-05-01
Accepted
2008-05-01 18:27:14
Documents
1
Period of Report
2008-04-29

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT edgar.html 4  
1 PRIMARY DOCUMENT edgar.xml 4 6485
  Complete submission text file 0001019687-08-001971.txt   9132
Mailing Address 65 MIDDLESEX ROAD TYNGSBORO MA 01879
Business Address 65 MIDDLESEX ROAD TYNGSBORO MA 01879 9786949121
BEACON POWER CORP (Issuer) CIK: 0001103345 (see all company filings)

IRS No.: 043372365 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 4911 Electric Services
Assistant Director 2

Mailing Address 2309 SANTIAGO DRIVE NEWPORT BEACH CA 92660
Business Address 949-646-3784
Gelbaum David (Reporting) CIK: 0001391795 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-31973 | Film No.: 08796069

Mailing Address 2309 SANTIAGO DRIVE NEWPORT BEACH CA 92660
Business Address 760-942-0157
Gelbaum Monica Chavez (Reporting) CIK: 0001403417 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-31973 | Film No.: 08796068

Mailing Address 2309 SANTIAGO DRIVE NEWPORT BEACH CA 92660
Business Address 2309 SANTIAGO DRIVE NEWPORT BEACH CA 92660 310-201-7481
Quercus Trust (Reporting) CIK: 0001403463 (see all company filings)

State of Incorp.: CA | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 000-31973 | Film No.: 08796070