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MRSN Insider Trading

Insider Ownership Percentage: 11.80%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $256,846.84

Mersana Therapeutics Insider Trading History Chart

This chart shows the insider buying and selling history at Mersana Therapeutics by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Mersana Therapeutics Share Price & Price History

Current Price: $1.60
Price Change: ▼ Price Decrease of -0.14 (-8.05%)
As of 12/20/2024 06:51 PM ET

This chart shows the closing price history over time for MRSN up to the past year.

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Mersana Therapeutics Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
10/28/2024Mohan BalaSVPSell1,884$1.90$3,579.6054,731View SEC Filing Icon  
10/3/2024Alejandra CarvajalSVPSell5,598$1.96$10,972.0863,716View SEC Filing Icon  
10/2/2024Ashish MandeliaCAOSell4,855$2.00$9,710.0051,118View SEC Filing Icon  
10/2/2024Brian DeschuytnerCFOSell8,089$2.00$16,178.00100,422View SEC Filing Icon  
9/12/2024Martin H Jr. HuberCEOSell50,423$1.76$88,744.48116,327View SEC Filing Icon  
1/16/2024Anna ProtopapasDirectorSell29,399$2.71$79,671.29125,153View SEC Filing Icon  
1/16/2024Ashish MandeliaCAOSell5,025$2.71$13,617.7523,328View SEC Filing Icon  
1/16/2024Brian DeschuytnerCFOSell9,327$2.71$25,276.1754,511View SEC Filing Icon  
1/16/2024Tushar MisraSVPSell3,357$2.71$9,097.4717,966View SEC Filing Icon  
10/26/2023Mohan BalaSVPSell1,912$1.13$2,160.568,733View SEC Filing Icon  
8/17/2023Tushar MisraSVPSell1,908$1.18$2,251.4411,507View SEC Filing Icon  
4/27/2023Alejandra CarvajalSVPSell3,944$3.89$15,342.1620,326View SEC Filing Icon  
1/17/2023Anna ProtopapasCEOSell17,346$5.74$99,566.0448,733View SEC Filing Icon  
1/17/2023Arvin YangSVPSell2,209$5.74$12,679.6630,821View SEC Filing Icon  
1/17/2023Ashish MandeliaVPSell3,575$5.74$20,520.5013,619View SEC Filing Icon  
1/17/2023Brian DeschuytnerCFOSell5,131$5.74$29,451.9432,781View SEC Filing Icon  
1/17/2023Tushar MisraCMOSell458$5.74$2,628.925,930View SEC Filing Icon  
8/17/2022Tushar MisraInsiderSell1,879$7.10$13,340.904,371View SEC Filing Icon  
6/2/2022Andrew A. F. HackDirectorBuy14,760$3.20$47,232.008,663,673View SEC Filing Icon  
5/31/2022Andrew A. F. HackDirectorBuy80,759$3.28$264,889.528,648,913View SEC Filing Icon  
5/25/2022Andrew A. F. HackDirectorBuy90,155$3.17$285,791.358,493,154View SEC Filing Icon  
5/23/2022Andrew A. F. HackDirectorBuy15,599$3.35$52,256.658,302,999View SEC Filing Icon  
5/20/2022Andrew A. F. HackDirectorBuy100,000$3.46$346,000.008,287,400View SEC Filing Icon  
5/18/2022Andrew A. F. HackDirectorBuy211,268$3.35$707,747.808,087,400View SEC Filing Icon  
5/16/2022Andrew A. F. HackDirectorBuy135,292$3.10$419,405.207,872,692View SEC Filing Icon  
4/26/2022Alejandra CarvajalInsiderSell3,948$3.69$14,568.129,302View SEC Filing Icon  
4/12/2022Andrew A. F. HackDirectorBuy598,086$4.18$2,499,999.487,120,116View SEC Filing Icon  
2/7/2022Andrew A. F. HackDirectorBuy1,136,363$4.42$5,022,724.46View SEC Filing Icon  
1/18/2022Ashish MandeliaVPSell1,982$5.92$11,733.44View SEC Filing Icon  
1/18/2022Timothy B. LowingerInsiderSell4,741$5.92$28,066.72View SEC Filing Icon  
See Full Table
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SEC Filings (Institutional Ownership Changes) for Mersana Therapeutics (NASDAQ:MRSN)

93.92% of Mersana Therapeutics stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at MRSN by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Mersana Therapeutics Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
12/13/2024Exome Asset Management LLC1,178,570$2.23M1.5%N/A0.954%Search for SEC Filing on Google Icon
11/19/2024Barclays PLC494,516$0.93M0.0%+32.7%0.400%Search for SEC Filing on Google Icon
11/16/2024Geode Capital Management LLC2,413,215$4.56M0.0%-3.2%1.967%Search for SEC Filing on Google Icon
11/15/2024Barclays PLC494,516$0.93M0.0%+32.7%0.403%Search for SEC Filing on Google Icon
11/15/2024XTX Topco Ltd347,255$0.66M0.0%+186.0%0.283%Search for SEC Filing on Google Icon
11/15/2024Wellington Management Group LLP618,305$1.17M0.0%+16.0%0.504%Search for SEC Filing on Google Icon
11/15/2024State Street Corp2,725,394$5.15M0.0%+1.6%2.222%Search for SEC Filing on Google Icon
11/15/2024Quarry LP30,000$57K0.0%N/A0.024%Search for SEC Filing on Google Icon
11/15/2024Jacobs Levy Equity Management Inc.993,046$1.88M0.0%+104.5%0.809%Search for SEC Filing on Google Icon
11/15/2024Atom Investors LP24,661$47K0.0%-93.3%0.020%Search for SEC Filing on Google Icon
11/14/2024Verition Fund Management LLC1,303,249$2.46M0.0%+11,695.2%1.062%Search for SEC Filing on Google Icon
11/14/2024Acuta Capital Partners LLC1,200,000$2.27M1.8%-27.8%0.978%Search for SEC Filing on Google Icon
11/14/2024MetLife Investment Management LLC33,916$64K0.0%-48.3%0.028%Search for SEC Filing on Google Icon
11/13/2024BNP Paribas Financial Markets237,198$0.45M0.0%-29.4%0.193%Search for SEC Filing on Google Icon
11/13/2024FMR LLC277,740$0.53M0.0%+13.2%0.226%Search for SEC Filing on Google Icon
11/13/2024Dynamic Technology Lab Private Ltd18,095$34K0.0%N/A0.015%Search for SEC Filing on Google Icon
11/12/2024HealthInvest Partners AB538,621$1.02M0.5%+191.3%0.439%Search for SEC Filing on Google Icon
11/9/2024Intech Investment Management LLC27,342$52K0.0%N/A0.022%Search for SEC Filing on Google Icon
11/5/2024GSA Capital Partners LLP271,774$0.51M0.0%+368.9%0.222%Search for SEC Filing on Google Icon
11/4/2024Los Angeles Capital Management LLC189,660$0.36M0.0%+8.1%0.155%Search for SEC Filing on Google Icon
10/28/2024US Bancorp DE16,178$31K0.0%N/A0.013%Search for SEC Filing on Google Icon
10/10/2024Exchange Traded Concepts LLC85,006$0.16M0.0%+95.8%0.069%Search for SEC Filing on Google Icon
10/3/2024SG Americas Securities LLC87,233$0.17M0.0%-37.1%0.071%Search for SEC Filing on Google Icon
8/16/2024Algert Global LLC44,655$90K0.0%N/A0.036%Search for SEC Filing on Google Icon
8/15/2024Susquehanna Fundamental Investments LLC308,691$0.62M0.0%+31.9%0.252%Search for SEC Filing on Google Icon
8/15/2024Affinity Asset Advisors LLC767,000$1.54M0.2%-23.3%0.627%Search for SEC Filing on Google Icon
8/14/2024Squarepoint Ops LLC252,804$0.51M0.0%N/A0.207%Search for SEC Filing on Google Icon
8/14/2024Marshall Wace LLP176,029$0.35M0.0%+358.0%0.144%Search for SEC Filing on Google Icon
8/12/2024XTX Topco Ltd121,432$0.24M0.0%+262.1%0.099%Search for SEC Filing on Google Icon
8/9/2024Renaissance Technologies LLC1,448,219$2.91M0.0%+1.4%1.184%Search for SEC Filing on Google Icon
8/9/2024Dimensional Fund Advisors LP13,703$28K0.0%-56.1%0.011%Search for SEC Filing on Google Icon
8/8/2024Federated Hermes Inc.185,507$0.37M0.0%+105,301.7%0.152%Search for SEC Filing on Google Icon
8/7/2024ClariVest Asset Management LLC500,498$1.01M0.1%+6.1%0.409%Search for SEC Filing on Google Icon
8/6/2024Acadian Asset Management LLC71,506$0.14M0.0%-84.8%0.058%Search for SEC Filing on Google Icon
8/6/2024Los Angeles Capital Management LLC175,420$0.35M0.0%-11.0%0.143%Search for SEC Filing on Google Icon
7/29/2024Principal Financial Group Inc.18,278$37K0.0%-42.5%0.015%Search for SEC Filing on Google Icon
7/26/2024Bank of New York Mellon Corp452,829$0.91M0.0%+19.6%0.370%Search for SEC Filing on Google Icon
7/12/2024SG Americas Securities LLC138,722$0.28M0.0%+313.9%0.113%Search for SEC Filing on Google Icon
5/17/2024Walleye Trading LLC31,526$0.14M0.0%N/A0.026%Search for SEC Filing on Google Icon
5/16/2024California State Teachers Retirement System11,145$50K0.0%-38.9%0.009%Search for SEC Filing on Google Icon
5/16/2024Jacobs Levy Equity Management Inc.809,879$3.63M0.0%-13.0%0.662%Search for SEC Filing on Google Icon
5/15/2024Price T Rowe Associates Inc. MD79,932$0.36M0.0%+6.6%0.065%Search for SEC Filing on Google Icon
5/10/2024Acadian Asset Management LLC468,923$2.10M0.0%+166.7%0.387%Search for SEC Filing on Google Icon
5/10/2024Vanguard Group Inc.6,274,370$28.11M0.0%+0.6%5.172%Search for SEC Filing on Google Icon
5/8/2024Russell Investments Group Ltd.9,453$42K0.0%+976.7%0.008%Search for SEC Filing on Google Icon
5/7/2024Susquehanna Fundamental Investments LLC234,116$1.05M0.0%N/A0.193%Search for SEC Filing on Google Icon
5/7/2024ClariVest Asset Management LLC471,848$2.11M0.2%N/A0.389%Search for SEC Filing on Google Icon
5/7/2024SG Americas Securities LLC33,513$0.15M0.0%-14.6%0.028%Search for SEC Filing on Google Icon
5/1/2024BNP Paribas Financial Markets80,735$0.36M0.0%+90.0%0.067%Search for SEC Filing on Google Icon
5/1/2024Mirae Asset Global Investments Co. Ltd.54,127$0.23M0.0%N/A0.045%Search for SEC Filing on Google Icon
4/23/2024Hunter Perkins Capital Management LLC15,000$67K0.0%-41.6%0.012%Search for SEC Filing on Google Icon
2/20/2024Readystate Asset Management LP295,038$0.68M0.0%N/A0.244%Search for SEC Filing on Google Icon
2/13/2024Tower Research Capital LLC TRC24,533$57K0.0%-49.2%0.020%Search for SEC Filing on Google Icon
2/13/2024Affinity Asset Advisors LLC1,000,000$2.32M0.4%-64.9%0.828%Search for SEC Filing on Google Icon
2/8/2024Foundations Investment Advisors LLC102,000$0.24M0.0%N/A0.085%Search for SEC Filing on Google Icon
2/5/2024Victory Capital Management Inc.12,732$30K0.0%N/A0.011%Search for SEC Filing on Google Icon
1/25/2024Nisa Investment Advisors LLC17,643$41K0.0%+479.8%0.015%Search for SEC Filing on Google Icon
1/18/2024Hunter Perkins Capital Management LLC25,700$60K0.0%-30.5%0.021%Search for SEC Filing on Google Icon
1/12/2024SG Americas Securities LLC39,226$91K0.0%-15.9%0.033%Search for SEC Filing on Google Icon
1/8/2024Harbor Capital Advisors Inc.47,472$0.11M0.0%+28.1%0.039%Search for SEC Filing on Google Icon
1/5/2024Exchange Traded Concepts LLC98,729$0.23M0.0%+34.0%0.082%Search for SEC Filing on Google Icon
11/21/2023Walleye Capital LLC2,021,467$2.57M0.0%+1,205.0%1.676%Search for SEC Filing on Google Icon
11/15/2023Acuta Capital Partners LLC99,607$0.13M0.1%N/A0.083%Search for SEC Filing on Google Icon
11/15/2023Affinity Asset Advisors LLC2,850,000$3.62M1.0%N/A2.364%Search for SEC Filing on Google Icon
11/14/2023Newtyn Management LLC700,000$0.89M0.2%N/A0.581%Search for SEC Filing on Google Icon
11/13/2023Acadian Asset Management LLC354,075$0.45M0.0%N/A0.294%Search for SEC Filing on Google Icon
11/9/2023Rhenman & Partners Asset Management AB21,700$28K0.0%-94.6%0.018%Search for SEC Filing on Google Icon
11/7/2023Barclays PLC34,154$43K0.0%-81.7%0.028%Search for SEC Filing on Google Icon
11/7/2023Fox Run Management L.L.C.21,830$28K0.0%N/A0.018%Search for SEC Filing on Google Icon
11/6/2023Los Angeles Capital Management LLC197,470$0.25M0.0%N/A0.164%Search for SEC Filing on Google Icon
10/31/2023Panagora Asset Management Inc.251,793$0.32M0.0%-7.3%0.209%Search for SEC Filing on Google Icon
10/20/2023Harbor Capital Advisors Inc.37,062$47K0.0%+73.7%0.031%Search for SEC Filing on Google Icon
10/20/2023Hunter Perkins Capital Management LLC37,000$47K0.0%N/A0.031%Search for SEC Filing on Google Icon
10/18/2023Exchange Traded Concepts LLC73,694$94K0.0%+381.6%0.061%Search for SEC Filing on Google Icon
10/13/2023SG Americas Securities LLC46,640$59K0.0%N/A0.039%Search for SEC Filing on Google Icon
8/15/2023Readystate Asset Management LP567,300$1.87M0.1%N/A0.471%Search for SEC Filing on Google Icon
8/15/2023Sphera Funds Management LTD.418,562$1.38M0.2%+3,840.9%0.347%Search for SEC Filing on Google Icon
8/15/2023Boxer Capital LLC1,000,000$3.29M0.2%N/A0.830%Search for SEC Filing on Google Icon
8/14/2023Bellevue Group AG5,219,425$17.17M0.2%+21.4%4.331%Search for SEC Filing on Google Icon
8/14/2023Rock Springs Capital Management LP3,403,133$11.20M0.3%-17.1%2.824%Search for SEC Filing on Google Icon
8/14/2023Graham Capital Management L.P.73,744$0.24M0.0%N/A0.061%Search for SEC Filing on Google Icon
8/11/2023Pale Fire Capital SE25,400$84K0.0%N/A0.021%Search for SEC Filing on Google Icon
8/11/2023Panagora Asset Management Inc.271,501$0.89M0.0%+25.6%0.225%Search for SEC Filing on Google Icon
8/11/2023Artal Group S.A.3,029,555$9.97M0.3%+36.7%2.514%Search for SEC Filing on Google Icon
8/11/2023E Fund Management Co. Ltd.18,105$60K0.0%-34.3%0.015%Search for SEC Filing on Google Icon
8/11/2023Rhenman & Partners Asset Management AB400,000$1.32M0.1%+14.3%0.332%Search for SEC Filing on Google Icon
8/10/2023Profund Advisors LLC61,786$0.20M0.0%-31.4%0.054%Search for SEC Filing on Google Icon
8/8/2023Candriam S.C.A.2,415,477$7.95M0.1%-18.5%2.112%Search for SEC Filing on Google Icon
8/7/2023Mirabella Financial Services LLP14,472$48K0.0%N/A0.013%Search for SEC Filing on Google Icon
7/20/2023Exchange Traded Concepts LLC15,301$50K0.0%N/A0.013%Search for SEC Filing on Google Icon
7/11/2023Harbor Capital Advisors Inc.21,339$70K0.0%N/A0.019%Search for SEC Filing on Google Icon
5/16/2023Baker BROS. Advisors LP1,886,115$7.75M0.0%N/A1.649%Search for SEC Filing on Google Icon
5/12/2023Sectoral Asset Management Inc.343,079$1.41M0.3%N/A0.315%Search for SEC Filing on Google Icon
5/12/2023Panagora Asset Management Inc.216,197$0.89M0.0%+13.2%0.198%Search for SEC Filing on Google Icon
5/12/2023Profund Advisors LLC90,095$0.37M0.0%N/A0.083%Search for SEC Filing on Google Icon
5/12/2023Rhenman & Partners Asset Management AB350,000$1.40M0.2%-12.5%0.321%Search for SEC Filing on Google Icon
5/11/2023E Fund Management Co. Ltd.27,578$0.11M0.0%+26.2%0.025%Search for SEC Filing on Google Icon
5/11/2023Skandinaviska Enskilda Banken AB publ58,469$0.24M0.0%-4.7%0.054%Search for SEC Filing on Google Icon
5/10/2023Connor Clark & Lunn Investment Management Ltd.59,051$0.24M0.0%-71.7%0.054%Search for SEC Filing on Google Icon
5/10/2023Tekla Capital Management LLC162,383$0.67M0.0%N/A0.149%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Mersana Therapeutics logo
Mersana Therapeutics, Inc., a clinical stage biopharmaceutical company, develops antibody drug conjugates (ADC) for cancer patients with unmet needs. The company develops XMT-1660, a B7-H4-targeted Dolasynthen ADC candidate; and XMT-2056, an immunosynthen ADC. It has research and development collaborations with Janssen Biotech, Inc., Ares Trading S.A., Merck KGaA, and Asana BioSciences, LLC for the development of ADC product candidates. The company was formerly known as Nanopharma Corp. and changed its name to Mersana Therapeutics, Inc. in November 2005. Mersana Therapeutics, Inc. was incorporated in 2001 and is headquartered in Cambridge, Massachusetts.
Read More on Mersana Therapeutics

Today's Range

Now: $1.60
Low: $1.56
High: $1.68

50 Day Range

MA: $2.16
Low: $1.60
High: $2.68

52 Week Range

Now: $1.60
Low: $1.22
High: $6.28

Volume

2,724,133 shs

Average Volume

1,583,316 shs

Market Capitalization

$197.65 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.4

Who are the company insiders with the largest holdings of Mersana Therapeutics?

Mersana Therapeutics' top insider investors include:
  1. Anna Protopapas (Director)
  2. Martin H Jr Huber (CEO)
  3. Brian Deschuytner (CFO)
  4. Alejandra Carvajal (SVP)
  5. Mohan Bala (SVP)
  6. Ashish Mandelia (CAO)
  7. Anna Protopapas (CEO)
  8. Arvin Yang (SVP)
  9. Tushar Misra (SVP)
  10. Ashish Mandelia (VP)
  11. Tushar Misra (CMO)
Learn More about top insider investors at Mersana Therapeutics.

Who are the major institutional investors of Mersana Therapeutics?

Mersana Therapeutics' top institutional shareholders include:
  1. State Street Corp — 2.22%
  2. Geode Capital Management LLC — 1.97%
  3. Verition Fund Management LLC — 1.06%
  4. Acuta Capital Partners LLC — 0.98%
  5. Exome Asset Management LLC — 0.95%
  6. Jacobs Levy Equity Management Inc. — 0.81%
Learn More about top institutional investors of Mersana Therapeutics stock.

Which major investors are selling Mersana Therapeutics stock?

In the previous quarter, MRSN stock was sold by these institutional investors:
  1. Acuta Capital Partners LLC
  2. Atom Investors LP
  3. BNP Paribas Financial Markets
  4. Geode Capital Management LLC
  5. SG Americas Securities LLC
  6. MetLife Investment Management LLC
  7. Wolverine Trading LLC
In the previous year, company insiders that have sold Mersana Therapeutics company stock include:
  1. Anna Protopapas (Director)
  2. Martin H Jr Huber (CEO)
  3. Brian Deschuytner (CFO)
  4. Alejandra Carvajal (SVP)
  5. Mohan Bala (SVP)
  6. Ashish Mandelia (CAO)
  7. Anna Protopapas (CEO)
Learn More investors selling Mersana Therapeutics stock.

Which major investors are buying Mersana Therapeutics stock?

In the last quarter, MRSN stock was bought by institutional investors including:
  1. Verition Fund Management LLC
  2. Exome Asset Management LLC
  3. Jacobs Levy Equity Management Inc.
  4. HealthInvest Partners AB
  5. XTX Topco Ltd
  6. GSA Capital Partners LLP
  7. Barclays PLC
  8. Barclays PLC
Is Starlink Set For The Largest IPO In History?
From Paradigm Press   |   Ad
He turned PayPal from a tiny, off-the-radar startup… to a massive $64 billion giant. Then, he did it again with Tesla… which is up more than 19,500% since 2010. For perspective, that turns $100 invested into almost $20,000!
Click here now for the urgent details.