Orbimed Advisors LLC Mersana Therapeutics, Inc. Transaction History

Orbimed Advisors LLC

12 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2023 Aug 14, 2023	SELL	$3.08 - $9.55 $5.53 Million - $17.2 Million	-1,796,500 Reduced 19.94%	7,214,937 $23.7 Million
Q2 2022 Aug 15, 2022	BUY	$2.84 - $5.0 $12 Million - $21.1 Million	4,222,537 Added 88.17%	9,011,437 $41.6 Million
Q1 2022 May 16, 2022	BUY	$3.74 - $6.63 $7.11 Million - $12.6 Million	1,900,053 Added 65.77%	4,788,900 $19.1 Million
Q3 2021 Nov 15, 2021	BUY	$8.56 - $14.47 $758,416 - $1.28 Million	88,600 Added 3.16%	2,888,847 $27.2 Million
Q2 2021 Aug 16, 2021	BUY	$13.28 - $18.07 $12.1 Million - $16.4 Million	907,747 Added 47.97%	2,800,247 $38 Million
Q1 2021 May 17, 2021	BUY	$15.31 - $26.52 $17.1 Million - $29.7 Million	1,119,152 Added 144.72%	1,892,500 $30.6 Million
Q4 2020 Feb 16, 2021	SELL	$16.84 - $27.59 $9.35 Million - $15.3 Million	-555,504 Reduced 41.8%	773,348 $20.6 Million
Q3 2020 Nov 16, 2020	SELL	$16.2 - $25.7 $9.41 Million - $14.9 Million	-581,156 Reduced 30.43%	1,328,852 $24.7 Million
Q2 2020 Aug 14, 2020	BUY	$5.24 - $23.4 $2.95 Million - $13.2 Million	563,287 Added 41.83%	1,910,008 $44.7 Million
Q1 2020 May 15, 2020	SELL	$4.41 - $9.28 $3.2 Million - $6.74 Million	-726,598 Reduced 35.05%	1,346,721 $7.85 Million
Q4 2019 Feb 14, 2020	BUY	$1.45 - $6.73 $264,190 - $1.23 Million	182,200 Added 9.63%	2,073,319 $11.9 Million
Q1 2019 May 15, 2019	BUY	$3.51 - $7.3 $6.64 Million - $13.8 Million	1,891,119 New	1,891,119 $9.95 Million

121

116M

233K

457K

Ticker MRSN
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 97,169,296
Market Cap $216M
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...

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