A detailed history of Simplex Trading, LLC transactions in Mersana Therapeutics, Inc. stock. As of the latest transaction made, Simplex Trading, LLC holds 38,661 shares of MRSN stock, worth $71,522. This represents 0.0% of its overall portfolio holdings.

Number of Shares
38,661
Previous 8,040 380.86%
Holding current value
$71,522
Previous $36,000 113.89%
% of portfolio
0.0%
Previous 0.0%

Shares

16 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q2 2024

Jul 25, 2024

BUY
$2.0 - $4.45 $61,242 - $136,263
30,621 Added 380.86%
38,661 $77,000
Q1 2024

Apr 25, 2024

BUY
$2.16 - $5.94 $4,801 - $13,204
2,223 Added 38.22%
8,040 $36,000
Q4 2023

Feb 02, 2024

SELL
$1.11 - $2.34 $6,052 - $12,760
-5,453 Reduced 48.39%
5,817 $13,000
Q3 2023

Nov 01, 2023

SELL
$1.06 - $3.91 $57,854 - $213,407
-54,580 Reduced 82.89%
11,270 $14,000
Q2 2023

Aug 04, 2023

BUY
$3.08 - $9.55 $62,548 - $193,941
20,308 Added 44.59%
65,850 $216,000
Q1 2023

Apr 27, 2023

BUY
$4.0 - $7.02 $169,808 - $298,013
42,452 Added 1373.85%
45,542 $187,000
Q4 2022

Feb 02, 2023

BUY
$5.65 - $7.86 $10,424 - $14,501
1,845 Added 148.19%
3,090 $18,000
Q3 2022

Nov 04, 2022

SELL
$4.63 - $8.0 $62,217 - $107,504
-13,438 Reduced 91.52%
1,245 $8,000
Q2 2022

Aug 03, 2022

SELL
$2.84 - $5.0 $7,091 - $12,485
-2,497 Reduced 14.53%
14,683 $67,000
Q1 2022

May 02, 2022

BUY
$3.74 - $6.63 $63,606 - $112,756
17,007 Added 9830.64%
17,180 $68,000
Q3 2021

Oct 28, 2021

SELL
$8.56 - $14.47 $856 - $1,447
-100 Reduced 36.63%
173 $2,000
Q2 2021

Aug 12, 2021

SELL
$13.28 - $18.07 $10,026 - $13,642
-755 Reduced 73.44%
273 $3,000
Q1 2021

Apr 26, 2021

SELL
$15.31 - $26.52 $17,070 - $29,569
-1,115 Reduced 52.03%
1,028 $16,000
Q4 2020

Feb 02, 2021

BUY
$16.84 - $27.59 $36,088 - $59,125
2,143 New
2,143 $57,000
Q3 2020

Oct 14, 2020

SELL
$16.2 - $25.7 $28,738 - $45,591
-1,774 Closed
0 $0
Q2 2020

Jul 13, 2020

BUY
$5.24 - $23.4 $9,295 - $41,511
1,774 New
1,774 $41,000

Others Institutions Holding MRSN

About Mersana Therapeutics, Inc.


  • Ticker MRSN
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 97,169,296
  • Market Cap $180M
  • Description
  • Mersana Therapeutics, Inc., a clinical stage biopharmaceutical company, develops antibody drug conjugates (ADC) for cancer patients with unmet need. It develops XMT-1592, a Dolasynthen ADC targeting NaPi2b-expressing tumor cells, which is in phase I clinical trial for the treatment of ovarian cancer and NSCLC adenocarcinoma. The company also dev...
More about MRSN
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