A detailed history of Assenagon Asset Management S.A. transactions in Spero Therapeutics, Inc. stock. As of the latest transaction made, Assenagon Asset Management S.A. holds 36,993 shares of SPRO stock, worth $87,673. This represents 0.0% of its overall portfolio holdings.

Number of Shares
36,993
Holding current value
$87,673
% of portfolio
0.0%

Shares

6 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Oct 07, 2025

BUY
$1.83 - $3.04 $67,697 - $112,458
36,993 New
36,993 $69,000
Q2 2022

Jul 27, 2022

BUY
$0.74 - $7.44 $79,843 - $802,753
107,897 Added 466.62%
131,020 $97,000
Q1 2022

Apr 25, 2022

BUY
$7.87 - $15.15 $181,978 - $350,313
23,123 New
23,123 $201,000
Q2 2021

Jul 15, 2021

SELL
$12.22 - $15.79 $2.22 Million - $2.87 Million
-181,578 Closed
0 $0
Q1 2021

Apr 26, 2021

BUY
$13.23 - $21.48 $764,601 - $1.24 Million
57,793 Added 46.69%
181,578 $2.67 Million
Q4 2020

Feb 01, 2021

BUY
$11.65 - $22.07 $1.44 Million - $2.73 Million
123,785 New
123,785 $2.4 Million

Others Institutions Holding SPRO

About Spero Therapeutics, Inc.


  • Ticker SPRO
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 35,067,500
  • Market Cap $83.1M
  • 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 ...
More about SPRO
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