Filing Details

Accession Number:
0001209191-19-017378
Form Type:
4
Zero Holdings:
No
Publication Time:
2019-03-06 16:38:34
Reporting Period:
2019-03-05
Accepted Time:
2019-03-06 16:38:34
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1442836 Mersana Therapeutics Inc. MRSN () 4
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1005561 J Peter Barris 1954 Greenspring Drive
Suite 600
Timonium MD 21093
No No Yes No
1235112 J Patrick Kerins 1954 Greenspring Drive
Suite 600
Timonium MD 21093
No No Yes No
1237289 D Scott Sandell 1954 Greenspring Drive
Suite 600
Timonium MD 21093
No No Yes No
1277631 Forest Baskett 1954 Greenspring Drive
Suite 600
Timonium MD 21093
No No Yes No
1544328 New Enterprise Associates 14, L.p. 1954 Greenspring Drive
Suite 600
Timonium MD 21093
No No Yes No
1551531 Nea Partners 14, L.p. 1954 Greenspring Drive
Suite 600
Timonium MD 21093
No No Yes No
1551532 Nea 14 Gp, Ltd 1954 Greenspring Drive
Suite 600
Timonium MD 21093
No No Yes No
1559807 W. Peter Sonsini 2855 Sand Hill Road
Menlo Park CA 94025
No No Yes No
1559827 Jr. A. Anthony Florence 5425 Wisconsin Avenue
Suite 800
Chevy Chase MD 20815
No No Yes No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2019-03-05 3,750,000 $4.00 11,890,138 No 4 P Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 P Direct
Footnotes
  1. The securities are directly held by NEA 14 and are indirectly held by NEA Partners 14, L.P. ("NEA Partners 14"), the sole general partner of NEA 14, NEA 14 GP, LTD ("NEA 14 LTD"), the sole general partner of NEA Partners 14 and each of the individual directors of NEA 14 LTD (NEA Partners 14, NEA 14 LTD and the individual directors of NEA 14 LTD (collectively, the "Directors") together, the "Indirect Reporting Persons"). The Directors of NEA 14 LTD are Peter J. Barris, Forest Baskett, Anthony A. Florence, Jr., Patrick J. Kerins, David M. Mott, Scott D. Sandell and Peter W. Sonsini. The Indirect Reporting Persons disclaim beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the NEA 14 securities in which the Indirect Reporting Persons have no pecuniary interest.