Anson Funds Management LP Spero Therapeutics, Inc. Transaction History

Anson Funds Management LP

$605 Million
Q3 2025

A detailed history of Anson Funds Management LP transactions in Spero Therapeutics, Inc. stock. As of the latest transaction made, Anson Funds Management LP holds 1,603,569 shares of SPRO stock, worth $3.86 Million. This represents 0.5% of its overall portfolio holdings.

Number of Shares

1,603,569

Previous 1,615,469 0.74%

Holding current value

$3.86 Million

Previous $4.68 Million 35.65%

% of portfolio

0.5%

Previous 0.86%

12 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	SELL	$1.83 - $3.04 $21,777 - $36,176	-11,900 Reduced 0.74%	1,603,569 $3.01 Million
Q2 2025 Aug 13, 2025	SELL	$0.56 - $3.02 $1.22 Million - $6.59 Million	-2,183,463 Reduced 57.48%	1,615,469 $4.68 Million
Q1 2025 May 28, 2025	SELL	$0.72 - $1.1 $2.76 Million - $4.22 Million	-3,839,886 Reduced 50.27%	3,798,932 $2.74 Million
Q1 2025 May 14, 2025	BUY	$0.72 - $1.1 $2.74 Million - $4.18 Million	3,798,932 Added 98.93%	7,638,818 $5.5 Million
Q4 2024 Feb 13, 2025	BUY	$0.92 - $1.33 $82,281 - $118,949	89,436 Added 2.38%	3,839,886 $3.99 Million

Q1 2024 May 14, 2024	SELL	$1.35 - $1.79 $738,786 - $979,575	-547,249 Reduced 12.73%	3,750,450 $6.45 Million
Q4 2023 Feb 14, 2024	BUY	$1.0 - $1.47 $138,127 - $203,046	138,127 Added 3.32%	4,297,699 $6.32 Million
Q3 2023 Nov 13, 2023	BUY	$1.2 - $1.63 $857,652 - $1.16 Million	714,710 Added 20.75%	4,159,572 $5.03 Million
Q2 2023 Aug 14, 2023	BUY	$1.42 - $1.95 $142,000 - $195,000	100,000 Added 2.99%	3,444,862 $5 Million
Q1 2023 May 15, 2023	BUY	$1.35 - $2.0 $439,092 - $650,508	325,254 Added 10.77%	3,344,862 $4.85 Million
Q4 2022 Feb 13, 2023	BUY	$1.55 - $2.12 $2.4 Million - $3.28 Million	1,545,736 Added 104.88%	3,019,608 $5.22 Million
Q3 2022 Nov 14, 2022	BUY	$0.68 - $2.2 $1 Million - $3.24 Million	1,473,872 New	1,473,872 $2.95 Million

Others Institutions Holding SPRO

# of Institutions

Shares Held

10.6M

Call Options Held

Put Options Held

65.7K

View Full List

About Spero Therapeutics, Inc.

Ticker SPRO
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 35,067,500
Market Cap $84.5M
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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Anson Funds Management LP Spero Therapeutics, Inc. Transaction History