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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001104659-12-046288
Filing Date
2012-06-27
Accepted
2012-06-27 16:43:12
Documents
5
Period of Report
2012-06-27

Document Format Files

Seq Description Document Type Size
1 3 a3.html 3  
1 3 a3.xml 3 7245
2 EX-24.1 ex-24d1.htm EX-24.1 6028
3 EX-24.2 ex-24d2.htm EX-24.2 6012
4 EX-24.3 ex-24d3.htm EX-24.3 5994
5 EX-99 ex-99.htm EX-99 58086
  Complete submission text file 0001104659-12-046288.txt   86051
Mailing Address ONE EMBARCADERO CENTER STE 3700 SAN FRANCISCO CA 94111
Business Address
NASR KHALED (Reporting) CIK: 0001276600 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-35587 | Film No.: 12930000

Mailing Address C/O INTERWEST PARTNERS 2710 SAND HILL ROAD, 2ND FLOOR MENLO PARK CA 94025
Business Address
Rosch Thomas L (Reporting) CIK: 0001293928 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-35587 | Film No.: 12930001

Mailing Address 2710 SAND HILL ROAD SECOND FLOOR MENLO PARK CA 94025
Business Address 2710 SAND HILL ROAD SECOND FLOOR MENLO PARK CA 94025 650-854-8585
InterWest Management Partners X, LLC (Reporting) CIK: 0001460207 (see all company filings)

State of Incorp.: CA | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-35587 | Film No.: 12930002

Mailing Address 1000 WINTER STREET, SUITE 3300 WALTHAM MA 02451
Business Address 1000 WINTER STREET, SUITE 3300 WALTHAM MA 02451 (339) 970-0900
TESARO, Inc. (Issuer) CIK: 0001491576 (see all company filings)

IRS No.: 272249687 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations

Mailing Address 2710 SAND HILL ROAD SUITE 200 MENLO PARK X1 94025
Business Address
Desai Keval (Reporting) CIK: 0001553019 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-35587 | Film No.: 12929999