SEC Form 4 · accession 0001209191-19-017378
Mersana Therapeutics, Inc. · MRSN
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owners
Peter J Barris
10% Owner
Patrick J Kerins
10% Owner
Scott D Sandell
10% Owner
Forest Baskett
10% Owner
New Enterprise Associates 14, L.P.
10% Owner
NEA Partners 14, L.P.
10% Owner
NEA 14 GP, LTD
10% Owner
Peter W. Sonsini
10% Owner
Anthony A. Florence Jr.
10% Owner
Period of report
Mar 5, 2019
Accepted (ET)
Mar 6, 2019 · 4:38 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001442836
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Mar 5, 2019 | P | 3,750,000 | $4.00 | A | 11,890,138 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The 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.