Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001209191-19-017378
Filing Date
2019-03-06
Accepted
2019-03-06 16:38:34
Documents
1
Period of Report
2019-03-05

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 10887
  Complete submission text file 0001209191-19-017378.txt   15321
Mailing Address 1119 ST PAUL STREET BALTIMORE MD 21202
Business Address
BARRIS PETER J (Reporting) CIK: 0001005561 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-38129 | Film No.: 19662979

Mailing Address
Business Address
KERINS PATRICK J (Reporting) CIK: 0001235112 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-38129 | Film No.: 19662982

Mailing Address
Business Address
SANDELL SCOTT D (Reporting) CIK: 0001237289 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-38129 | Film No.: 19662983

Mailing Address
Business Address
BASKETT FOREST (Reporting) CIK: 0001277631 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-38129 | Film No.: 19662980

Mailing Address 840 MEMORIAL DRIVE CAMBRIDGE MA 02139
Business Address 840 MEMORIAL DRIVE CAMBRIDGE MA 02139 617-498-0020
Mersana Therapeutics, Inc. (Issuer) CIK: 0001442836 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations

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 14, L.P. (Reporting) CIK: 0001544328 (see all company filings)

State of Incorp.: E9 | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38129 | Film No.: 19662975

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 14, L.P. (Reporting) CIK: 0001551531 (see all company filings)

State of Incorp.: E9 | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38129 | Film No.: 19662978

Mailing Address 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093
Business Address 1954 GREENSPRING DRIVE SUITE 600 TIMONIUM MD 21093 410-842-4000
NEA 14 GP, LTD (Reporting) CIK: 0001551532 (see all company filings)

State of Incorp.: E9 | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38129 | Film No.: 19662977

Mailing Address 2855 SAND HILL ROAD MENLO PARK CA 94025
Business Address
Sonsini Peter W. (Reporting) CIK: 0001559807 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-38129 | Film No.: 19662976

Mailing Address 5425 WISCONSIN AVENUE, SUITE 800 CHEVY CHASE MD 20815
Business Address
Florence Anthony A. Jr. (Reporting) CIK: 0001559827 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-38129 | Film No.: 19662981