List of insiders holdings for Mersana Therapeutics Inc.:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Insider Holder NameReport
Date Time
Shares Owned
Directly
Indirectly
Total
Shares Owned
Filing
BARRETT M JAMES
10% Owner
2017-07-06 17:16:280
8,140,138
8,140,138Form 4
Viswanathan Ravi
10% Owner
2017-07-06 17:20:300
8,140,138
8,140,138Form 4
NEA Partners 14 L.P.
NEA 14 GP LTD
10% Owner
2020-09-16 16:43:0840,000
7,959,520
7,999,520Form 4
Florence Anthony A. Jr.
10% Owner
2020-09-16 16:45:354285
2,080,520
2,084,805Form 4
BASKETT FOREST
10% Owner
2020-09-16 16:44:180
2,073,464
2,073,464Form 4
SANDELL SCOTT D
10% Owner
2020-09-16 16:47:360
2,072,194
2,072,194Form 4
KERINS PATRICK J
10% Owner
2020-09-16 16:46:354796
2,060,000
2,064,796Form 4
Sonsini Peter W.
10% Owner
2020-09-16 16:48:25993
2,061,192
2,062,185Form 4
Protopapas Anna
President & CEO
2023-01-18 20:24:37846,691
312,507
1,159,198Form 4
FMR LLC
See Remark 1
2018-02-13 09:40:30884,015
0
884,015Form 13G
Lowinger Timothy B
SVP Chief Sci. & Tech. Off.
2023-01-18 20:14:59423,487
0
423,487Form 4
Yang Arvin
SVP Chief Medical Officer
2023-01-18 20:29:00317,903
0
317,903Form 4
DeSchuytner Brian
SVP Chief Financial Officer
2023-01-18 20:12:26287,989
0
287,989Form 4
Carvajal Alejandra
SVP Chief Legal Officer
2023-01-18 20:09:39215,603
0
215,603Form 4
MISRA TUSHAR
SVP CMO
2023-01-18 20:18:46166,137
0
166,137Form 4
Huebner Dirk
Chief Medical Officer
2020-01-16 16:34:44100,833
0
100,833Form 4
Spellman David A
Chief Financial Officer
2019-01-25 16:07:18100,000
0
100,000Form 4
Mandelia Ashish
VP Controller
2023-01-18 20:20:0296,047
0
96,047Form 4
Bergstrom Donald A
Chief Medical Officer
2018-02-06 16:24:3556,884
0
56,884Form 4
Hege Kristen
Director
2022-06-10 16:17:1345,000
0
45,000Form 4
Huber Martin H. Jr.
Director
2022-06-10 16:18:1745,000
0
45,000Form 4
MOTT DAVID M
Director
2022-06-10 16:19:0545,000
0
45,000Form 4
Diaz Allene M.
Director
2022-06-10 16:19:5445,000
0
45,000Form 4
Dere Willard H
Director
2022-06-10 16:20:3845,000
0
45,000Form 4
Alleva Lawrence M
Director
2022-06-10 16:21:5045,000
0
45,000Form 4
Hack Andrew A. F.
Director
2022-06-10 17:25:2045,000
0
45,000Form 4
Jack Eva M.
Chief Bus. Officer Tres Sec.
2020-09-16 18:31:2235,248
0
35,248Form 4
Kaufman Michael J.
Chief Manufacturing Officer
2021-07-19 20:50:2132,622
0
32,622Form 4
Foster Wayne
Vice President of Finance
2019-01-25 16:05:0530,750
0
30,750Form 4
Nayeem Sara M.
Director
2018-01-04 16:31:303560
0
3560Form 4
New Enterprise Associates 14 L.P.
Sonsini Peter W.
NEA 14 GP LTD
NEA Partners 14 L.P.
BARRIS PETER J
BASKETT FOREST
Florence Anthony A. Jr.
KERINS PATRICK J
SANDELL SCOTT D
10% Owner
2020-12-10 13:17:310
0
0Form 13D
Jones Elaine V
Director
2017-06-27 19:36:060
0
0Form 3
New Enterprise Associates 14 L.P.
10% Owner
2020-12-10 13:17:310
0
0Form 13D