Rock Springs Capital Management LP Spero Therapeutics, Inc. Transaction History

Rock Springs Capital Management LP

12 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2023 Nov 14, 2023	SELL	$1.2 - $1.63 $734,592 - $997,820	-612,160 Reduced 91.43%	57,373 $69,000
Q4 2022 Feb 14, 2023	SELL	$1.55 - $2.12 $156,824 - $214,495	-101,177 Reduced 13.13%	669,533 $1.16 Million
Q2 2022 Aug 15, 2022	SELL	$0.74 - $7.44 $162,950 - $1.64 Million	-220,203 Reduced 22.22%	770,710 $571,000
Q1 2022 May 16, 2022	BUY	$7.87 - $15.15 $358,872 - $690,840	45,600 Added 4.82%	990,913 $8.62 Million
Q4 2021 Feb 14, 2022	BUY	$13.09 - $18.77 $49,349 - $70,762	3,770 Added 0.4%	945,313 $15.1 Million
Q3 2021 Nov 15, 2021	SELL	$13.03 - $19.51 $317,736 - $475,751	-24,385 Reduced 2.52%	941,543 $17.3 Million
Q1 2021 May 17, 2021	SELL	$13.23 - $21.48 $3.56 Million - $5.78 Million	-269,072 Reduced 21.79%	965,928 $14.2 Million
Q4 2020 Feb 16, 2021	SELL	$11.65 - $22.07 $14,632 - $27,719	-1,256 Reduced 0.1%	1,235,000 $23.9 Million
Q3 2020 Nov 16, 2020	BUY	$8.96 - $14.12 $5.56 Million - $8.77 Million	621,079 Added 100.96%	1,236,256 $13.8 Million
Q2 2020 Aug 14, 2020	BUY	$7.27 - $14.18 $73,986 - $144,309	10,177 Added 1.68%	615,177 $8.32 Million
Q1 2020 May 15, 2020	BUY	$5.27 - $10.41 $421,599 - $832,800	80,000 Added 15.24%	605,000 $4.89 Million
Q4 2017 Feb 14, 2018	BUY	$10.43 - $14.75 $5.48 Million - $7.74 Million	525,000	525,000 $6.17 Million

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Ticker SPRO
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 35,067,500
Market Cap $30.2M
Description
Spero Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on identifying, developing, and commercializing treatments for multi-drug resistant (MDR) bacterial infections and rare diseases in the United States. The company's product candidates include tebipenem pivoxil hydrobromide (HBr), an oral carbapenem-class antibiotic to ...

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