Putnam Investments LLC Mersana Therapeutics, Inc. Transaction History

Putnam Investments LLC

3 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2021 Aug 16, 2021	SELL	$13.28 - $18.07 $9.57 Million - $13 Million	-720,800 Closed	0 $0
Q1 2021 May 17, 2021	BUY	$15.31 - $26.52 $2.49 Million - $4.32 Million	162,900 Added 29.2%	720,800 $11.7 Million
Q4 2020 Feb 16, 2021	BUY	$16.84 - $27.59 $9.4 Million - $15.4 Million	557,900 New	557,900 $14.8 Million

121

116M

233K

457K

Ticker MRSN
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 97,169,296
Market Cap $198M
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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