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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001104659-15-053118
Filing Date
2015-07-24
Accepted
2015-07-24 17:01:56
Documents
1
Period of Report
2015-07-23

Document Format Files

Seq Description Document Type Size
1 4 a4.html 4  
1 4 a4.xml 4 22365
  Complete submission text file 0001104659-15-053118.txt   26263
Mailing Address 1000 WINTER STREET SUITE 3350 WALTHAM MA 02451
Business Address 1000 WINTER STREET SUITE 3350 WALTHAM MA 02451 781-290-0770
Polaris Venture Partners Special Founders' Fund V, L.P. (Reporting) CIK: 0001439586 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-36571 | Film No.: 151005168

Mailing Address 1000 WINTER STREET SUITE 3350 WALTHAM MA 02451
Business Address 1000 WINTER STREET SUITE 3350 WALTHAM MA 02451 781-290-0770
Polaris Venture Partners Entrepreneurs' Fund V, L.P. (Reporting) CIK: 0001439587 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-36571 | Film No.: 151005166

Mailing Address 1000 WINTER STREET SUITE 3350 WALTHAM MA 02451
Business Address 1000 WINTER STREET SUITE 3350 WALTHAM MA 02451 781-290-0770
Polaris Venture Partners Founders' Fund V, L.P. (Reporting) CIK: 0001439588 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-36571 | Film No.: 151005167

Mailing Address 1000 WINTER STREET SUITE 3350 WALTHAM MA 02451
Business Address 1000 WINTER STREET SUITE 3350 WALTHAM MA 02451 781-290-0770
Polaris Venture Management Co. V, L.L.C. (Reporting) CIK: 0001439589 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-36571 | Film No.: 151005165

Mailing Address 1000 WINTER STREET SUITE 3350 WALTHAM MA 02451
Business Address 1000 WINTER STREET SUITE 3350 WALTHAM MA 02451 781-290-0770
Polaris Venture Partners V, L.P. (Reporting) CIK: 0001439590 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-36571 | Film No.: 151005169

Mailing Address 101 HARTWELL AVENUE LEXINGTON MA 02421
Business Address 101 HARTWELL AVENUE LEXINGTON MA 02421 781-457-1200
T2 Biosystems, Inc. (Issuer) CIK: 0001492674 (see all company filings)

IRS No.: 204827488 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 3841 Surgical & Medical Instruments & Apparatus