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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001104659-12-073527
Filing Date
2012-11-02
Accepted
2012-11-02 11:51:49
Documents
1
Period of Report
2012-10-25

Document Format Files

Seq Description Document Type Size
1 3 a3.html 3  
1 3 a3.xml 3 6058
  Complete submission text file 0001104659-12-073527.txt   8261
Mailing Address 8001 ARISTA PLACE SUITE 200 BROOMFIELD CO 80021
Business Address 8001 ARISTA PLACE SUITE 200 BROOMFIELD CO 80021 720-940-2200
ARCA biopharma, Inc. (Issuer) CIK: 0000907654 (see all company filings)

IRS No.: 363855489 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2835 In Vitro & In Vivo Diagnostic Substances

Mailing Address 890 WINTER STREET WALTHAM MA 02451
Business Address 890 WINTER STREET WALTHAM MA 02451 7816221700
Atlas Venture Fund VII L P (Reporting) CIK: 0001346450 (see all company filings)

State of Incorp.: DE
Type: 3 | Act: 34 | File No.: 000-22873 | Film No.: 121175704

Mailing Address 890 WINTER STREET WALTHAM MA 02451
Business Address 890 WINTER STREET WALTHAM MA 02451 781 622 1700
Atlas Venture Associates VII, L.P. (Reporting) CIK: 0001377726 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-22873 | Film No.: 121175703