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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001181431-15-008420
Filing Date
2015-06-17
Accepted
2015-06-17 19:46:33
Documents
1
Period of Report
2015-06-16

Document Format Files

Seq Description Document Type Size
1 rrd425780.html 3  
1 rrd425780.xml 3 7069
  Complete submission text file 0001181431-15-008420.txt   10530
Mailing Address 11080 CIRCLEPOINT ROAD SUITE 140 WESTMINSTER CO 80020
Business Address 11080 CIRCLEPOINT ROAD SUITE 140 WESTMINSTER CO 80020 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 1954 GREENSPRING DRIVE, SUITE 600 TIMONIUM MD 21093
Business Address 1954 GREENSPRING DRIVE, SUITE 600 TIMONIUM MD 21093 410-842-4000
New Enterprise Associates 15, L.P. (Reporting) CIK: 0001629794 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-22873 | Film No.: 15938354

Mailing Address 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093
Business Address 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 410-842-4000
NEA Partners 15, L.P. (Reporting) CIK: 0001640031 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-22873 | Film No.: 15938353

Mailing Address 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093
Business Address 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 410-842-4000
NEA 15 GP, LLC (Reporting) CIK: 0001640033 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-22873 | Film No.: 15938352

Mailing Address 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093
Business Address 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 410-842-4000
Growth Equity Opportunities IV, LLC (Reporting) CIK: 0001644965 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 000-22873 | Film No.: 15938355