InsiderTrades.com logo
The Safest Option in Trades!
From Tradewins   |   Ad
If you’re new to trading, then you’ve probably heard the wrong thing about options—that they’re risky, unpredictable, or difficult.

And it couldn’t be more wrong! With the Hughes Optioneering Strategy, you’ll soon learn that the safest option for new accounts is options themselves!
Click here now!
pixel

MRSN Insider Trading

Insider Ownership Percentage: 4.40%
Insider Buying (Last 12 Months): $4,623,322.00
Insider Selling (Last 12 Months): $192,756.08

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: $4.18
Price Change: ▼ Price Decrease of -0.31 (-6.90%)
As of 03/22/2023 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
The Safest Option in Trades!
From Tradewins   |   Ad
If you’re new to trading, then you’ve probably heard the wrong thing about options—that they’re risky, unpredictable, or difficult.

And it couldn’t be more wrong! With the Hughes Optioneering Strategy, you’ll soon learn that the safest option for new accounts is options themselves!
Click here now!
pixel

Mersana Therapeutics Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
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  
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  
See Full Table
The Safest Option in Trades!
From Tradewins   |   Ad
If you’re new to trading, then you’ve probably heard the wrong thing about options—that they’re risky, unpredictable, or difficult.

And it couldn’t be more wrong! With the Hughes Optioneering Strategy, you’ll soon learn that the safest option for new accounts is options themselves!
Click here now!
pixel

SEC Filings (Institutional Ownership Changes) for Mersana Therapeutics (NASDAQ:MRSN)

92.40% 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
2/28/2023Voya Investment Management LLC286,894$1.68M0.0%+19.9%0.288%Search for SEC Filing on Google Icon
2/21/2023Macquarie Group Ltd.150,000$0.88M0.0%-2.5%0.150%Search for SEC Filing on Google Icon
2/16/2023Point72 Middle East FZE9,566$56K0.0%N/A0.010%Search for SEC Filing on Google Icon
2/15/2023Public Employees Retirement System of Ohio18,175$0.11M0.0%-18.5%0.018%Search for SEC Filing on Google Icon
2/15/2023Metropolitan Life Insurance Co NY6,508$38K0.0%+36.8%0.007%Search for SEC Filing on Google Icon
2/15/2023Silverarc Capital Management LLC1,140,182$6.68M1.9%+14.7%1.143%Search for SEC Filing on Google Icon
2/15/2023State of Wisconsin Investment Board72,898$0.43M0.0%-47.1%0.073%Search for SEC Filing on Google Icon
2/15/2023Squarepoint Ops LLC97,556$0.57M0.0%+534.1%0.098%Search for SEC Filing on Google Icon
2/15/2023Mackenzie Financial Corp73,692$0.43M0.0%N/A0.074%Search for SEC Filing on Google Icon
2/15/2023Millennium Management LLC3,663,527$21.47M0.0%-3.2%3.672%Search for SEC Filing on Google Icon
2/15/2023Morgan Stanley1,757,986$10.30M0.0%+10.2%1.762%Search for SEC Filing on Google Icon
2/15/2023Man Group plc15,963$94K0.0%N/A0.016%Search for SEC Filing on Google Icon
2/15/2023Delphia USA Inc.33,037$0.19M0.2%+124.3%0.033%Search for SEC Filing on Google Icon
2/15/2023E Fund Management Co. Ltd.21,844$0.13M0.0%+48.6%0.022%Search for SEC Filing on Google Icon
2/15/2023Fred Alger Management LLC378,450$2.22M0.0%+1.2%0.379%Search for SEC Filing on Google Icon
2/15/2023Alps Advisors Inc.67,736$0.40M0.0%N/A0.068%Search for SEC Filing on Google Icon
2/15/2023AQR Capital Management LLC135,201$0.79M0.0%+49.5%0.136%Search for SEC Filing on Google Icon
2/15/2023Braidwell LP1,862,700$10.92M0.4%N/A1.867%Search for SEC Filing on Google Icon
2/14/2023Price T Rowe Associates Inc. MD120,519$0.71M0.0%+7.6%0.121%Search for SEC Filing on Google Icon
2/14/2023Susquehanna International Group LLP39,952$0.23M0.0%-61.0%0.040%Search for SEC Filing on Google Icon
2/14/2023Marshall Wace LLP2,523,984$14.79M0.0%+377.6%2.530%Search for SEC Filing on Google Icon
2/14/2023Two Sigma Investments LP617,829$3.62M0.0%-9.4%0.619%Search for SEC Filing on Google Icon
2/14/2023Engineers Gate Manager LP56,002$0.33M0.0%-4.3%0.056%Search for SEC Filing on Google Icon
2/13/2023Prio Wealth Limited Partnership23,529$0.14M0.0%N/A0.024%Search for SEC Filing on Google Icon
2/13/2023Charles Schwab Investment Management Inc.671,027$3.93M0.0%+4.3%0.673%Search for SEC Filing on Google Icon
2/13/2023Deutsche Bank AG1,130,704$6.63M0.0%+1.1%1.133%Search for SEC Filing on Google Icon
2/13/2023Oversea Chinese Banking CORP Ltd42,500$0.25M0.0%N/A0.043%Search for SEC Filing on Google Icon
2/13/2023CIBC Asset Management Inc566,785$3.32M0.0%N/A0.568%Search for SEC Filing on Google Icon
2/13/2023Panagora Asset Management Inc.190,963$1.12M0.0%+2.2%0.191%Search for SEC Filing on Google Icon
2/13/2023Boulder Hill Capital Management LP23,000$0.14M0.1%N/A0.023%Search for SEC Filing on Google Icon
2/13/2023Barclays PLC232,088$1.36M0.0%+71.0%0.233%Search for SEC Filing on Google Icon
2/13/2023Renaissance Technologies LLC571,719$3.35M0.0%-18.2%0.573%Search for SEC Filing on Google Icon
2/13/2023ExodusPoint Capital Management LP11,799$69K0.0%-92.5%0.012%Search for SEC Filing on Google Icon
2/13/2023Credit Suisse AG97,474$0.57M0.0%-5.1%0.098%Search for SEC Filing on Google Icon
2/13/2023Geode Capital Management LLC1,707,470$10.01M0.0%+3.5%1.711%Search for SEC Filing on Google Icon
2/13/2023GSA Capital Partners LLP32,241$0.19M0.0%-80.7%0.032%Search for SEC Filing on Google Icon
2/13/2023JPMorgan Chase & Co.386,823$2.27M0.0%+543.4%0.388%Search for SEC Filing on Google Icon
2/13/2023Rhenman & Partners Asset Management AB400,000$2.34M0.2%N/A0.401%Search for SEC Filing on Google Icon
2/13/2023Teacher Retirement System of Texas23,612$0.14M0.0%-7.5%0.024%Search for SEC Filing on Google Icon
2/10/2023Opaleye Management Inc.460,000$2.70M0.9%-48.9%0.461%Search for SEC Filing on Google Icon
2/10/2023Bank of America Corp DE760,723$4.46M0.0%+91.3%0.762%Search for SEC Filing on Google Icon
2/10/2023Connor Clark & Lunn Investment Management Ltd.208,433$1.22M0.0%-19.4%0.209%Search for SEC Filing on Google Icon
2/10/2023HRT Financial LP11,210$65K0.0%-90.1%0.011%Search for SEC Filing on Google Icon
2/9/2023Mirae Asset Global Investments Co. Ltd.45,521$0.27M0.0%+34.7%0.046%Search for SEC Filing on Google Icon
2/9/2023Dimensional Fund Advisors LP489,783$2.87M0.0%-0.5%0.491%Search for SEC Filing on Google Icon
2/9/2023Principal Financial Group Inc.21,867$0.13M0.0%+15.6%0.022%Search for SEC Filing on Google Icon
2/8/2023Raymond James & Associates19,431$0.11M0.0%N/A0.019%Search for SEC Filing on Google Icon
2/8/2023UBS Group AG288,603$1.69M0.0%+997.6%0.289%Search for SEC Filing on Google Icon
2/8/2023Skandinaviska Enskilda Banken AB publ 61,322$0.36M0.0%N/A0.061%Search for SEC Filing on Google Icon
2/8/2023Thrivent Financial for Lutherans60,922$0.36M0.0%N/A0.061%Search for SEC Filing on Google Icon
2/8/2023Swiss National Bank187,696$1.10M0.0%+2.0%0.188%Search for SEC Filing on Google Icon
2/8/2023Russell Investments Group Ltd.23,409$0.14M0.0%+9.4%0.023%Search for SEC Filing on Google Icon
2/7/2023Fox Run Management L.L.C.24,652$0.14M0.1%+104.0%0.025%Search for SEC Filing on Google Icon
2/6/2023Los Angeles Capital Management LLC51,065$0.30M0.0%-54.6%0.051%Search for SEC Filing on Google Icon
2/2/2023SG Americas Securities LLC48,931$0.29M0.0%+23.6%0.049%Search for SEC Filing on Google Icon
2/2/2023ProShare Advisors LLC20,161$0.12M0.0%+11.3%0.020%Search for SEC Filing on Google Icon
2/1/2023Zurcher Kantonalbank Zurich Cantonalbank 12,247$72K0.0%+68.6%0.012%Search for SEC Filing on Google Icon
12/8/2022Bank of New York Mellon Corp360,596$2.44M0.0%+4.9%0.361%Search for SEC Filing on Google Icon
11/16/2022Balyasny Asset Management LLC63,527$0.43M0.0%+15.0%0.064%Search for SEC Filing on Google Icon
11/16/2022Fred Alger Management LLC373,895$2.53M0.0%-16.8%0.375%Search for SEC Filing on Google Icon
11/16/2022Jane Street Group LLC33,416$0.23M0.0%N/A0.033%Search for SEC Filing on Google Icon
11/16/2022BNP Paribas Arbitrage SNC237,665$1.61M0.0%-56.0%0.238%Search for SEC Filing on Google Icon
11/15/2022Alliancebernstein L.P.99,700$0.67M0.0%+10.9%0.100%Search for SEC Filing on Google Icon
11/15/2022State Street Corp4,059,020$27.44M0.0%+150.5%4.068%Search for SEC Filing on Google Icon
11/15/2022Public Employees Retirement System of Ohio22,300$0.15M0.0%N/A0.022%Search for SEC Filing on Google Icon
11/15/2022Jacobs Levy Equity Management Inc.403,687$2.73M0.0%N/A0.405%Search for SEC Filing on Google Icon
11/15/2022Algert Global LLC58,658$0.40M0.0%N/A0.059%Search for SEC Filing on Google Icon
11/15/2022Two Sigma Advisers LP1,117,700$7.56M0.0%+2.9%1.120%Search for SEC Filing on Google Icon
11/15/2022Two Sigma Investments LP682,082$4.61M0.0%+51.2%0.684%Search for SEC Filing on Google Icon
11/15/2022Trexquant Investment LP94,950$0.64M0.0%N/A0.095%Search for SEC Filing on Google Icon
11/15/2022Vanguard Group Inc.4,377,999$29.60M0.0%-7.5%4.388%Search for SEC Filing on Google Icon
11/15/2022Platinum Investment Management Ltd.290,298$1.96M0.1%-41.4%0.291%Search for SEC Filing on Google Icon
11/15/2022Price T Rowe Associates Inc. MD112,039$0.76M0.0%-19.9%0.112%Search for SEC Filing on Google Icon
11/15/2022Marshall Wace LLP528,468$3.57M0.0%N/A0.530%Search for SEC Filing on Google Icon
11/15/2022Engineers Gate Manager LP58,500$0.40M0.0%N/A0.059%Search for SEC Filing on Google Icon
11/15/2022Ensign Peak Advisors Inc22,330$0.15M0.0%+147.0%0.022%Search for SEC Filing on Google Icon
11/15/2022Bank of New York Mellon Corp360,596$2.44M0.0%+4.9%0.361%Search for SEC Filing on Google Icon
11/15/2022Bellevue Group AG4,082,600$27.60M0.4%+4.8%4.092%Search for SEC Filing on Google Icon
11/15/2022BlackRock Inc.7,088,087$47.92M0.0%-20.2%7.104%Search for SEC Filing on Google Icon
11/15/2022Citadel Advisors LLC176,903$1.20M0.0%-47.7%0.177%Search for SEC Filing on Google Icon
11/14/2022Delphia USA Inc.14,728$100K0.1%N/A0.015%Search for SEC Filing on Google Icon
11/14/2022LMR Partners LLP150,000$1.01M0.0%N/A0.150%Search for SEC Filing on Google Icon
11/14/2022Point72 Hong Kong Ltd15,156$0.10M0.0%N/A0.015%Search for SEC Filing on Google Icon
11/14/2022Cubist Systematic Strategies LLC392,528$2.65M0.0%+228.4%0.393%Search for SEC Filing on Google Icon
11/14/2022PDT Partners LLC24,975$0.17M0.0%-89.7%0.025%Search for SEC Filing on Google Icon
11/14/2022Renaissance Technologies LLC698,819$4.72M0.0%+22.5%0.700%Search for SEC Filing on Google Icon
11/14/2022Verition Fund Management LLC16,312$0.11M0.0%N/A0.016%Search for SEC Filing on Google Icon
11/14/2022Ergoteles LLC32,161$0.22M0.0%N/A0.032%Search for SEC Filing on Google Icon
11/14/2022Nuveen Asset Management LLC1,269,121$8.58M0.0%+187.2%1.272%Search for SEC Filing on Google Icon
11/14/2022AXA S.A.232,800$1.57M0.0%+2,055.6%0.233%Search for SEC Filing on Google Icon
11/14/2022Healthcare of Ontario Pension Plan Trust Fund162,700$1.10M0.0%+284.6%0.163%Search for SEC Filing on Google Icon
11/14/2022UBS Oconnor LLC376,496$2.55M0.0%-23.3%0.377%Search for SEC Filing on Google Icon
11/14/2022MetLife Investment Management LLC46,642$0.32M0.0%+21.2%0.047%Search for SEC Filing on Google Icon
11/14/2022E Fund Management Co. Ltd.14,695$99K0.0%N/A0.015%Search for SEC Filing on Google Icon
11/14/2022Cipher Capital LP12,058$82K0.0%N/A0.012%Search for SEC Filing on Google Icon
11/10/2022Credit Suisse AG102,667$0.69M0.0%+27.5%0.103%Search for SEC Filing on Google Icon
11/10/2022Connor Clark & Lunn Investment Management Ltd.258,687$1.75M0.0%N/A0.266%Search for SEC Filing on Google Icon
11/10/2022ExodusPoint Capital Management LP157,411$1.06M0.0%+516.6%0.162%Search for SEC Filing on Google Icon
11/10/2022Hillsdale Investment Management Inc.690,500$4.67M0.4%N/A0.711%Search for SEC Filing on Google Icon
11/10/2022Dimensional Fund Advisors LP492,488$3.33M0.0%+135.6%0.507%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 engages in the development of antibody-drug conjugates that offer clinical benefit for cancer patients. 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: $4.18
Low: $4.15
High: $4.54

50 Day Range

MA: $5.85
Low: $4.18
High: $7.02

52 Week Range

Now: $4.18
Low: $2.68
High: $8.34

Volume

1,963,776 shs

Average Volume

1,276,027 shs

Market Capitalization

$451.57 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.82

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. Timothy B Lowinger (Insider)
  4. Brian Deschuytner (CFO)
  5. Arvin Yang (SVP)
  6. Ashish Mandelia (VP)
  7. Alejandra Carvajal (Insider)
  8. Tushar Misra (CMO)
  9. Tushar Misra (Insider)
  10. Arvin Yang (Insider)
  11. Lawrence M Alleva (Director)
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. Millennium Management LLC — 3.67%
  2. Marshall Wace LLP — 2.53%
  3. Braidwell LP — 1.87%
  4. Morgan Stanley — 1.76%
  5. Geode Capital Management LLC — 1.71%
  6. Silverarc Capital Management LLC — 1.14%
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. Opaleye Management Inc.
  2. ExodusPoint Capital Management LP
  3. GSA Capital Partners LLP
  4. Renaissance Technologies LLC
  5. Millennium Management LLC
  6. HRT Financial LP
  7. State of Wisconsin Investment Board
  8. Two Sigma Investments LP
In the previous year, company insiders that have sold Mersana Therapeutics company stock include:
  1. Andrew A F Hack (Director)
  2. Anna Protopapas (CEO)
  3. Timothy B Lowinger (Insider)
  4. Brian Deschuytner (CFO)
  5. Arvin Yang (SVP)
  6. Ashish Mandelia (VP)
  7. Alejandra Carvajal (Insider)
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. Marshall Wace LLP
  2. Braidwell LP
  3. CIBC Asset Management Inc
  4. Rhenman & Partners Asset Management AB
  5. Bank of America Corp DE
  6. JPMorgan Chase & Co.
  7. UBS Group AG
  8. Morgan Stanley
Within the last year, these company insiders have bought Mersana Therapeutics stock:
  1. Andrew A F Hack (Director)
  2. Anna Protopapas (CEO)
Learn More investors buying Mersana Therapeutics stock.
The Safest Option in Trades!
From Tradewins   |   Ad
If you’re new to trading, then you’ve probably heard the wrong thing about options—that they’re risky, unpredictable, or difficult.

And it couldn’t be more wrong! With the Hughes Optioneering Strategy, you’ll soon learn that the safest option for new accounts is options themselves!
Click here now!
pixel