Dafna Capital Management LLC Mersana Therapeutics, Inc. Transaction History

Dafna Capital Management LLC

$389 Million
Q3 2024

18 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2023 Nov 14, 2023	SELL	$1.06 - $3.91 $81,415 - $300,315	-76,807 Reduced 9.47%	734,038 $932,000
Q2 2023 Aug 14, 2023	BUY	$3.08 - $9.55 $923,944 - $2.86 Million	299,982 Added 58.72%	810,845 $2.67 Million
Q1 2023 May 15, 2023	BUY	$4.0 - $7.02 $389,600 - $683,748	97,400 Added 23.56%	510,863 $2.1 Million
Q4 2022 Feb 14, 2023	BUY	$5.65 - $7.86 $201,705 - $280,602	35,700 Added 9.45%	413,463 $2.42 Million
Q3 2022 Nov 14, 2022	SELL	$4.63 - $8.0 $134,270 - $232,000	-29,000 Reduced 7.13%	377,763 $2.55 Million
Q2 2022 Aug 15, 2022	BUY	$2.84 - $5.0 $153,360 - $270,000	54,000 Added 15.31%	406,763 $1.88 Million
Q1 2022 May 16, 2022	BUY	$3.74 - $6.63 $794,750 - $1.41 Million	212,500 Added 151.5%	352,763 $1.41 Million
Q3 2021 Nov 15, 2021	BUY	$8.56 - $14.47 $102,720 - $173,640	12,000 Added 9.36%	140,263 $1.32 Million
Q2 2021 Aug 16, 2021	BUY	$13.28 - $18.07 $53,120 - $72,280	4,000 Added 3.22%	128,263 $1.74 Million
Q1 2021 May 17, 2021	BUY	$15.31 - $26.52 $1.15 Million - $1.99 Million	75,000 Added 152.24%	124,263 $2.01 Million
Q4 2020 Feb 16, 2021	SELL	$16.84 - $27.59 $1.74 Million - $2.86 Million	-103,500 Reduced 67.75%	49,263 $1.31 Million
Q3 2020 Nov 16, 2020	SELL	$16.2 - $25.7 $1.9 Million - $3.02 Million	-117,400 Reduced 43.46%	152,763 $2.84 Million
Q2 2020 Aug 14, 2020	SELL	$5.24 - $23.4 $688,829 - $3.08 Million	-131,456 Reduced 32.73%	270,163 $6.32 Million
Q1 2020 May 15, 2020	BUY	$4.41 - $9.28 $1.29 Million - $2.72 Million	293,156 Added 270.28%	401,619 $2.34 Million
Q4 2019 Feb 14, 2020	SELL	$1.45 - $6.73 $570,245 - $2.65 Million	-393,273 Reduced 78.38%	108,463 $621,000
Q3 2019 Nov 14, 2019	BUY	$1.54 - $4.2 $348,810 - $951,300	226,500 Added 82.29%	501,736 $793,000
Q2 2019 Aug 14, 2019	SELL	$3.84 - $6.4 $491,765 - $819,609	-128,064 Reduced 31.75%	275,236 $1.12 Million
Q1 2019 May 15, 2019	BUY	$3.51 - $7.3 $1.42 Million - $2.94 Million	403,300 New	403,300 $2.12 Million

Others Institutions Holding MRSN

# of Institutions

121

Shares Held

116M

Call Options Held

233K

Put Options Held

457K

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About Mersana Therapeutics, Inc.

Ticker MRSN
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 97,169,296
Market Cap $157M
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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