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MRSN Insider Trading (Mersana Therapeutics)

Insider Ownership Percentage: 5.30%
Insider Buying (Last 12 Months): $14,883.30
Insider Selling (Last 12 Months): $1,112,596.15

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: $5.11
Price Change: ▼ Price Decrease of -0.22 (-4.13%)
As of 01/21/2022 01:00 AM ET

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

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365
iPHONE WARNING: Obsolete? 
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Mersana Therapeutics Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
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  
12/1/2021Arvin YangInsiderSell5,527$6.81$37,638.87View SEC Filing Icon  
7/19/2021Anna ProtopapasCEOSell21,901$12.02$263,250.02324,922View SEC Filing Icon  
7/19/2021Timothy B. LowingerInsiderSell8,496$12.02$102,121.92View SEC Filing Icon  
7/16/2021Anna ProtopapasCEOSell20,043$12.47$249,936.21324,922View SEC Filing Icon  
7/16/2021Timothy B. LowingerInsiderSell7,775$12.47$96,954.25View SEC Filing Icon  
7/1/2021Timothy B. LowingerInsiderSell1,886$13.60$25,649.6033,321View SEC Filing Icon  
6/21/2021Timothy B. LowingerInsiderSell2,220$13.78$30,591.6031,446View SEC Filing Icon  
6/1/2021Lawrence M. AllevaDirectorBuy1,035$14.38$14,883.30View SEC Filing Icon  
5/20/2021Timothy B. LowingerInsiderSell4,102$14.10$57,838.2033,319View SEC Filing Icon  
4/20/2021Timothy B. LowingerInsiderSell4,102$15.91$65,262.8233,319View SEC Filing Icon  
3/22/2021Timothy B. LowingerInsiderSell8,203$17.50$143,552.5033,318View SEC Filing Icon  
1/20/2021Timothy B. LowingerInsiderSell8,203$21.54$176,692.6233,318View SEC Filing Icon  
1/19/2021Ashish MandeliaVPSell545$21.28$11,597.60834View SEC Filing Icon  
1/12/2021Andrew A F HackDirectorBuy250,000$18.36$4,590,000.00View SEC Filing Icon  
1/8/2021Andrew A F HackDirectorBuy100,000$18.39$1,839,000.00View SEC Filing Icon  
1/4/2021Ashish MandeliaVPSell247$26.76$6,609.72View SEC Filing Icon  
12/21/2020Timothy B. LowingerInsiderSell8,203$25.60$209,996.801,874View SEC Filing Icon  
11/20/2020Timothy B. LowingerInsiderSell8,203$23.05$189,079.151,874View SEC Filing Icon  
10/21/2020Timothy B. LowingerInsiderSell4,101$17.50$71,767.501,875View SEC Filing Icon  
9/21/2020Timothy B. LowingerInsiderSell20,614$20.66$425,885.2416,160View SEC Filing Icon  
9/14/2020Eva M JackInsiderSell35,248$22.00$775,456.0035,248View SEC Filing Icon  
7/2/2020Ashish MandeliaVPSell3,383$22.49$76,083.67
6/1/2020Lawrence M AllevaDirectorBuy1,085$22.95$24,900.75385View SEC Filing Icon  
4/13/2020Scott D SandellMajor ShareholderSell20,914$8.50$177,769.00View SEC Filing Icon  
4/7/2020Andrew A F HackDirectorBuy3,445,667$9.43$32,492,639.81538,599View SEC Filing Icon  
3/5/2019Enterprise Associates 14 NewMajor ShareholderBuy3,750,000$4.00$15,000,000.00View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Mersana Therapeutics (NASDAQ:MRSN)

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
12/29/2021Hudson Bay Capital Management LP175,000$1.65M0.0%+150.0%0.243%Search for SEC Filing on Google Icon
11/18/2021Bank of New York Mellon Corp270,809$2.55M0.0%+8.8%0.377%Search for SEC Filing on Google Icon
11/16/2021BNP Paribas Arbitrage SA71,780$0.68M0.0%+2,771.2%0.100%Search for SEC Filing on Google Icon
11/16/2021Two Sigma Advisers LP630,000$5.94M0.0%+11.0%0.878%Search for SEC Filing on Google Icon
11/16/2021Two Sigma Investments LP348,245$3.28M0.0%-38.3%0.485%Search for SEC Filing on Google Icon
11/16/2021UBS Group AG88,231$0.83M0.0%+276.5%0.123%Search for SEC Filing on Google Icon
11/16/2021Voloridge Investment Management LLC96,451$0.91M0.0%N/A0.134%Search for SEC Filing on Google Icon
11/16/2021Wellington Management Group LLP6,007,375$56.65M0.0%-12.6%8.371%Search for SEC Filing on Google Icon
11/16/2021Metropolitan Life Insurance Co NY14,952$0.14M0.0%-24.4%0.021%Search for SEC Filing on Google Icon
11/16/2021Millennium Management LLC103,737$0.98M0.0%-68.2%0.145%Search for SEC Filing on Google Icon
11/15/2021Sarissa Capital Management LP4,299,297$40.54M3.2%+7.3%5.991%Search for SEC Filing on Google Icon
11/15/2021California State Teachers Retirement System83,710$0.79M0.0%-11.8%0.117%Search for SEC Filing on Google Icon
11/15/2021Rock Springs Capital Management LP3,020,702$28.49M0.6%+6.2%4.209%Search for SEC Filing on Google Icon
11/15/2021Marshall Wace LLP384,736$3.63M0.0%+1,838.7%0.536%Search for SEC Filing on Google Icon
11/15/2021Royal Bank of Canada6,941$66K0.0%+47.2%0.010%Search for SEC Filing on Google Icon
11/15/2021Morgan Stanley667,889$6.30M0.0%+429.3%0.931%Search for SEC Filing on Google Icon
11/15/2021First Manhattan Co.218,070$2.06M0.0%N/A0.304%Search for SEC Filing on Google Icon
11/15/2021Invesco Ltd.32,211$0.30M0.0%+19.1%0.045%Search for SEC Filing on Google Icon
11/15/2021Dimensional Fund Advisors LP187,516$1.77M0.0%+6.5%0.261%Search for SEC Filing on Google Icon
11/12/2021Macquarie Group Ltd.156,764$1.48M0.0%+3.5%0.218%Search for SEC Filing on Google Icon
11/12/2021The Manufacturers Life Insurance Company 38,053$0.36M0.0%-4.4%0.053%Search for SEC Filing on Google Icon
11/12/2021Credit Suisse AG52,096$0.49M0.0%-3.8%0.073%Search for SEC Filing on Google Icon
11/12/2021Geode Capital Management LLC1,064,335$10.04M0.0%+1.2%1.483%Search for SEC Filing on Google Icon
11/12/2021Bellevue Group AG4,261,000$40.18M0.4%+44.9%5.938%Search for SEC Filing on Google Icon
11/10/2021Goldman Sachs Group Inc.1,145,369$10.80M0.0%+98.5%1.596%Search for SEC Filing on Google Icon
11/10/2021Allianz Asset Management GmbH232,457$2.19M0.0%-18.0%0.324%Search for SEC Filing on Google Icon
11/10/2021Citigroup Inc.113,351$1.07M0.0%-38.9%0.158%Search for SEC Filing on Google Icon
11/10/2021Rafferty Asset Management LLC162,036$1.53M0.0%+37.9%0.226%Search for SEC Filing on Google Icon
11/10/2021Teachers Retirement System of The State of Kentucky47,980$0.45M0.0%+30.2%0.067%Search for SEC Filing on Google Icon
11/9/2021Barclays PLC33,016$0.31M0.0%-42.4%0.046%Search for SEC Filing on Google Icon
11/9/2021BlackRock Inc.8,807,328$83.06M0.0%-0.2%12.273%Search for SEC Filing on Google Icon
11/9/2021Candriam Luxembourg S.C.A.2,022,895$19.08M0.1%+2.5%2.819%Search for SEC Filing on Google Icon
11/9/2021TD Asset Management Inc.45,057$0.43M0.0%-39.1%0.063%Search for SEC Filing on Google Icon
11/8/2021Swiss National Bank122,996$1.16M0.0%+1.8%0.171%Search for SEC Filing on Google Icon
11/4/2021Deutsche Bank AG104,207$0.98M0.0%-46.9%0.145%Search for SEC Filing on Google Icon
11/2/2021New York State Common Retirement Fund51,864$0.49M0.0%-12.8%0.072%Search for SEC Filing on Google Icon
11/1/2021SG Americas Securities LLC36,713$0.35M0.0%N/A0.051%Search for SEC Filing on Google Icon
10/19/2021Assenagon Asset Management S.A.903,866$8.52M0.0%-13.2%1.260%Search for SEC Filing on Google Icon
9/3/2021Parametric Portfolio Associates LLC35,986$0.49M0.0%-9.6%0.050%Search for SEC Filing on Google Icon
8/26/2021Comerica Bank147,312$1.62M0.0%+58.0%0.205%Search for SEC Filing on Google Icon
8/25/2021Marshall Wace LLP19,845$0.27M0.0%-87.0%0.028%Search for SEC Filing on Google Icon
8/23/2021Morgan Stanley126,177$1.71M0.0%+853.2%0.176%Search for SEC Filing on Google Icon
8/17/2021Walleye Capital LLC38,815$0.53M0.0%N/A0.054%Search for SEC Filing on Google Icon
8/17/2021Walleye Trading LLC15,200$0.21M0.0%N/A0.021%Search for SEC Filing on Google Icon
8/17/2021Invesco Ltd.27,045$0.37M0.0%-93.4%0.038%Search for SEC Filing on Google Icon
8/17/2021Metropolitan Life Insurance Co NY19,772$0.27M0.0%+131,713.3%0.028%Search for SEC Filing on Google Icon
8/17/2021Millennium Management LLC326,143$4.43M0.0%+13.4%0.454%Search for SEC Filing on Google Icon
8/17/2021MetLife Investment Management LLC25,825$0.35M0.0%+22.1%0.036%Search for SEC Filing on Google Icon
8/17/2021Price T Rowe Associates Inc. MD2,317,747$31.48M0.0%-22.1%3.230%Search for SEC Filing on Google Icon
8/17/2021Boothbay Fund Management LLC16,071$0.22M0.0%N/A0.022%Search for SEC Filing on Google Icon
8/16/2021Squarepoint Ops LLC42,507$0.58M0.0%-23.3%0.059%Search for SEC Filing on Google Icon
8/16/2021AQR Capital Management LLC12,330$0.17M0.0%-73.4%0.017%Search for SEC Filing on Google Icon
8/16/2021Bank of America Corp DE55,232$0.75M0.0%+65.4%0.077%Search for SEC Filing on Google Icon
8/16/2021Amalgamated Bank12,021$0.16M0.0%N/A0.017%Search for SEC Filing on Google Icon
8/16/2021UBS Asset Management Americas Inc.43,419$0.59M0.0%+9.7%0.061%Search for SEC Filing on Google Icon
8/16/2021Point72 Asset Management L.P.26,900$0.37M0.0%-97.4%0.037%Search for SEC Filing on Google Icon
8/16/2021Cubist Systematic Strategies LLC20,228$0.28M0.0%+244.1%0.028%Search for SEC Filing on Google Icon
8/16/2021California State Teachers Retirement System94,917$1.29M0.0%+18.2%0.132%Search for SEC Filing on Google Icon
8/16/2021Tudor Investment Corp Et Al10,449$0.14M0.0%N/A0.015%Search for SEC Filing on Google Icon
8/16/2021Morgan Stanley126,177$1.71M0.0%+853.2%0.176%Search for SEC Filing on Google Icon
8/16/2021Schonfeld Strategic Advisors LLC37,800$0.51M0.0%-17.7%0.053%Search for SEC Filing on Google Icon
8/16/2021Maven Securities LTD84,469$1.17M0.0%N/A0.118%Search for SEC Filing on Google Icon
8/16/2021Charles Schwab Investment Management Inc.412,473$5.60M0.0%+11.4%0.575%Search for SEC Filing on Google Icon
8/16/2021State Street Corp3,246,523$44.09M0.0%-13.3%4.524%Search for SEC Filing on Google Icon
8/16/2021CIBC Asset Management Inc1,058,506$14.38M0.1%+223.1%1.475%Search for SEC Filing on Google Icon
8/16/2021Nuveen Asset Management LLC259,948$3.53M0.0%+7.2%0.362%Search for SEC Filing on Google Icon
8/16/2021Goldman Sachs Group Inc.576,955$7.84M0.0%-50.2%0.804%Search for SEC Filing on Google Icon
8/16/2021Marshall Wace LLP19,845$0.27M0.0%-87.0%0.028%Search for SEC Filing on Google Icon
8/16/2021Allianz Asset Management GmbH283,450$3.85M0.0%+0.5%0.395%Search for SEC Filing on Google Icon
8/13/2021Northern Trust Corp682,687$9.27M0.0%+15.1%0.951%Search for SEC Filing on Google Icon
8/13/2021Qube Research & Technologies Ltd62,685$0.85M0.0%N/A0.087%Search for SEC Filing on Google Icon
8/13/2021Geode Capital Management LLC1,051,919$14.29M0.0%+9.8%1.466%Search for SEC Filing on Google Icon
8/13/2021Vanguard Group Inc.3,181,585$43.21M0.0%+2.1%4.434%Search for SEC Filing on Google Icon
8/13/2021Bailard Inc.111,000$1.51M0.1%-15.3%0.155%Search for SEC Filing on Google Icon
8/13/2021FMR LLC380,029$5.16M0.0%-47.9%0.530%Search for SEC Filing on Google Icon
8/13/2021ProShare Advisors LLC30,366$0.41M0.0%+27.7%0.042%Search for SEC Filing on Google Icon
8/12/2021XTX Topco Ltd14,541$0.20M0.1%N/A0.020%Search for SEC Filing on Google Icon
8/12/2021Dimensional Fund Advisors LP176,004$2.39M0.0%-1.6%0.245%Search for SEC Filing on Google Icon
8/12/2021State of Wisconsin Investment Board79,700$1.08M0.0%-12.4%0.111%Search for SEC Filing on Google Icon
8/12/2021Legal & General Group Plc14,006$0.19M0.0%+6.9%0.020%Search for SEC Filing on Google Icon
8/12/2021Bellevue Group AG2,941,000$39.94M0.4%+3.2%4.098%Search for SEC Filing on Google Icon
8/12/2021The Manufacturers Life Insurance Company39,806$0.54M0.0%+30.3%0.055%Search for SEC Filing on Google Icon
8/12/2021Bridgefront Capital LLC11,236$0.15M0.1%N/A0.016%Search for SEC Filing on Google Icon
8/11/2021Bank of New York Mellon Corp249,001$3.38M0.0%-4.8%0.347%Search for SEC Filing on Google Icon
8/11/2021BlackRock Inc.8,822,704$119.81M0.0%+10.3%12.683%Search for SEC Filing on Google Icon
8/11/2021Deutsche Bank AG196,326$2.67M0.0%-10.5%0.282%Search for SEC Filing on Google Icon
8/10/2021Virtus ETF Advisers LLC14,912$0.20M0.1%+26.7%0.021%Search for SEC Filing on Google Icon
8/10/2021Westfield Capital Management Co. LP2,108,810$28.64M0.2%+5.5%3.032%Search for SEC Filing on Google Icon
8/10/2021Principal Financial Group Inc.26,040$0.35M0.0%-67.9%0.037%Search for SEC Filing on Google Icon
8/10/2021Skandinaviska Enskilda Banken AB publ30,304$0.41M0.0%N/A0.044%Search for SEC Filing on Google Icon
8/10/2021BNP Paribas Arbitrage SA2,500$34K0.0%-64.0%0.004%Search for SEC Filing on Google Icon
8/10/2021State Board of Administration of Florida Retirement System27,117$0.37M0.0%+21.3%0.039%Search for SEC Filing on Google Icon
8/10/2021Citigroup Inc.185,464$2.52M0.0%-19.4%0.267%Search for SEC Filing on Google Icon
8/10/2021Rafferty Asset Management LLC117,478$1.60M0.0%-36.5%0.169%Search for SEC Filing on Google Icon
8/6/2021Ameritas Investment Partners Inc.5,400$73K0.0%+19.0%0.008%Search for SEC Filing on Google Icon
8/6/2021Nisa Investment Advisors LLC3,660$50K0.0%-61.5%0.005%Search for SEC Filing on Google Icon
8/6/2021PNC Financial Services Group Inc.13,118$0.18M0.0%-13.8%0.019%Search for SEC Filing on Google Icon
8/6/2021Swiss National Bank120,796$1.64M0.0%-3.6%0.174%Search for SEC Filing on Google Icon
8/5/2021Rhumbline Advisers80,334$1.09M0.0%+18.4%0.115%Search for SEC Filing on Google Icon
8/2/2021Arizona State Retirement System14,896$0.20M0.0%-6.6%0.021%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Mersana Therapeutics logo
Mersana Therapeutics, Inc. is a clinical-stage biopharmaceutical company, which focuses on developing antibody drug conjugates that offer clinical benefit for cancer patients with significant unmet need. Its product candidates are Upifitamab Rilsodotin (UpRi), XMT-1536, and XMT-1592. The company was founded by Mikhail Papisov in 2001 and is headquartered in Cambridge, MA.
Read More on Mersana Therapeutics

Today's Range

Now: $5.11
Low: $5.11
High: $5.44

50 Day Range

MA: $6.49
Low: $5.11
High: $8.95

52 Week Range

Now: $5.11
Low: $4.84
High: $24.38

Volume

941,839 shs

Average Volume

1,430,708 shs

Market Capitalization

$367.47 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

2.44

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

Mersana Therapeutics' top insider investors include:
  1. Andrew A F Hack (Director)
  2. Anna Protopapas (CEO)
  3. Eva M Jack (Insider)
  4. Timothy B Lowinger (Insider)
  5. Ashish Mandelia (VP)
  6. Lawrence M Alleva (Director)
  7. Arvin Yang (Insider)
  8. Lawrence M Alleva (Director)
  9. Scott D Sandell (Major Shareholder)
Free Pick from Jeff Brown: “Buy S.C.G .”
From Legacy Research   |   Ad
Jeff Brown picked Tesla in 2018 before it jumped 1,390%. He picked Nvidia before it jumped 3,545%. And he picked Bitcoin before it skyrocketed 22,750%.

And now he’s saying S.C.G. will be the next big tech play. He’s not the only one. Apple’s CEO even called it “the next big thing.”
Click here and get the name and ticker symbol!