Updated: May 19, 2026

David M Mott

Mersana Therapeutics, Inc.SEC CIK: 0001219871
Estimated Net Worth
$2.6 Billion
Last Updated: May 19, 2026 11:10 PM EST

Transaction Summary

Total Transactions272
Buy-Sell Ratio5.97
Buy Transactions179
Sell Transactions30

Transaction Volume

Total Volume$1.42B
Net Volume-$778.03M
Buy Volume$319.23M
Sell Volume$1.1B

Trade Analysis

AVG Trade Size$5.21M
Largest Trade$782.79M
Most Active MonthJun
Most Active Year2018

Trading Sentiment

OverallBearish
Recent TradeBuying
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

David M Mott has an estimated net worth of $2.6 Billion. This is based on reported shares across multiple companies, which include Cloudflare, Inc., PhaseBio Pharmaceuticals Inc, Galera Therapeutics, Inc., Ra Pharmaceuticals, Inc., Oyster Point Pharma, Inc., RHYTHM PHARMACEUTICALS, INC., TESARO, Inc., Dermira, Inc., Cascadian Therapeutics, Inc., Workday, Inc., Care.com Inc, Millennial Media Inc., AEROHIVE NETWORKS, INC, Mersana Therapeutics, Inc., MULESOFT, INC, Elastic N.V., NOVAVAX INC, AVEO PHARMACEUTICALS INC, Sprout Social, Inc., APPIAN CORP, Clovis Oncology, Inc., Mirum Pharmaceuticals, Inc., Adaptimmune Therapeutics PLC, BOX INC, Nightstar Therapeutics plc, Loxo Oncology, Inc., CHAMPIONS ONCOLOGY, INC., Surface Oncology, Inc., GENOCEA BIOSCIENCES, INC., Millendo Therapeutics, Inc., ARDELYX, INC., Trevi Therapeutics, Inc., GLYCOMIMETICS INC, Tracon Pharmaceuticals, Inc., SYNLOGIC, INC., Epizyme, Inc., Black Diamond Therapeutics, Inc., Arsanis, Inc., Cerecor Inc., Roka BioScience, Inc., Regulus Therapeutics Inc., ARCA biopharma, Inc., IMARA Inc., Marker Therapeutics, Inc., Omthera Pharmaceuticals, Inc., Strongbridge Biopharma plc, CVENT INC, Achaogen Inc, Casper Sleep Inc., INTERLEUKIN GENETICS INC, and MEDIMMUNE INC /DE.



2018 was David M Mott's most active year for acquiring shares with 85 total transactions. David M Mott's most active month to acquire stocks was the month of May. 2019 was David M Mott's most active year for disposing of shares, totalling 33 transactions. David M Mott's most active month to dispose stocks was the month of December. 2016 saw David M Mott paying a total of $94,800,960.53 for 55,630,624 shares, this is the most they've acquired in one year. In 2019 David M Mott cashed out on 147,782,355 shares for a total of $955,445,377.38, their largest year based on trade value.

Holdings & Transactions

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