SPRO Insider Trading

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Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 4.52%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $57,336.41

Spero Therapeutics Insider Trading History Chart

Spero Therapeutics Share Price & Price History

^$1.05

▲ +0.0108 (1.04%)

As of 12/18/2024 11:15 AM ET

Days: 30 | 90 | 365

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Spero Therapeutics Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
8/27/2024	Ankit Mahadevia	Director	Sell	5,912	$1.35	$7,981.20	759,085
8/27/2024	Sath Shukla	CEO	Sell	2,757	$1.35	$3,721.95	1,140,809
8/27/2024	Timothy Keutzer	COO	Sell	2,213	$1.35	$2,987.55	531,837
8/5/2024	Sath Shukla	CEO	Sell	17,641	$1.31	$23,109.71	1,143,566
8/2/2024	Sath Shukla	CEO	Sell	14,800	$1.32	$19,536.00	1,161,207
9/13/2023	Kamal Hamed	Insider	Sell	39,496	$1.27	$50,159.92	576,461
8/29/2023	Sath Shukla	CEO	Sell	4,163	$1.30	$5,411.90	572,500
8/28/2023	Ankit Mahadevia	Director	Sell	9,040	$1.26	$11,390.40	788,792
8/28/2023	Timothy Keutzer	Insider	Sell	1,854	$1.26	$2,336.04	325,290
2/3/2023	Ankit Mahadevia	CEO	Sell	12,286	$1.81	$22,237.66	797,832
2/2/2023	Sath Shukla	CFO	Sell	9,504	$1.83	$17,392.32	312,517
2/2/2023	Timothy Keutzer	COO	Sell	3,394	$1.86	$6,312.84	327,144
9/22/2022	Aquilo Capital Management, Llc	Major Shareholder	Sell	1,901,796	$2.25	$4,279,041.00	3,419,435
8/29/2022	Sath Shukla	CFO	Sell	6,017	$0.89	$5,355.13	56,064
4/26/2022	Aquilo Capital Management, Llc	Major Shareholder	Buy	39,727	$5.24	$208,169.48	5,321,231
3/30/2022	Aquilo Capital Management, Llc	Major Shareholder	Buy	50,000	$8.79	$439,500.00
1/31/2022	Aquilo Capital Management, Llc	Major Shareholder	Buy	125,000	$11.59	$1,448,750.00
1/24/2022	Aquilo Capital Management, Llc	Major Shareholder	Buy	1,599	$10.89	$17,413.11
1/18/2022	Aquilo Capital Management, Llc	Major Shareholder	Buy	48,488	$12.41	$601,736.08
1/10/2022	Aquilo Capital Management, Llc	Major Shareholder	Buy	8,867	$12.93	$114,650.31
12/27/2021	Ankit Mahadevia	CEO	Sell	8,000	$14.58	$116,640.00

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SEC Filings (Institutional Ownership Changes) for Spero Therapeutics (NASDAQ:SPRO)

25.60% of Spero Therapeutics stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Spero Therapeutics Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
11/16/2024	Geode Capital Management LLC	481,187	$0.65M	0.0%	-2.2%	0.891%
8/9/2024	Renaissance Technologies LLC	975,952	$1.27M	0.0%	+14.2%	1.808%
8/9/2024	Atlas Venture Life Science Advisors LLC	535,336	$0.70M	0.1%	-11.9%	0.992%
8/6/2024	Acadian Asset Management LLC	1,071,860	$1.39M	0.0%	+40.6%	1.985%
5/20/2024	Virtu Financial LLC	18,180	$31K	0.0%	N/A	0.034%
5/16/2024	Murchinson Ltd.	873,910	$1.50M	0.1%	+1.3%	1.622%
5/14/2024	Anson Funds Management LP	3,750,450	$6.45M	0.4%	-12.7%	6.959%
5/10/2024	Acadian Asset Management LLC	762,598	$1.31M	0.0%	+121.8%	1.415%
5/10/2024	Vanguard Group Inc.	1,653,432	$2.84M	0.0%	+0.6%	3.068%
5/6/2024	Atlas Venture Life Science Advisors LLC	607,613	$1.05M	0.1%	-40.0%	1.128%
2/14/2024	ADAR1 Capital Management LLC	1,067,711	$1.57M	0.6%	N/A	2.015%
11/15/2023	Rock Springs Capital Management LP	57,373	$69K	0.0%	-91.4%	0.109%
11/14/2023	AWM Investment Company Inc.	333,400	$0.40M	0.1%	-13.0%	0.632%
11/13/2023	Acadian Asset Management LLC	272,024	$0.33M	0.0%	+56.8%	0.516%
8/14/2023	Anson Funds Management LP	3,444,862	$5M	0.8%	+3.0%	6.537%
8/11/2023	AWM Investment Company Inc.	383,400	$0.56M	0.1%	-70.5%	0.729%
8/11/2023	Atlas Venture Life Science Advisors LLC	1,013,438	$1.47M	0.2%	-1.7%	1.928%
8/7/2023	Acadian Asset Management LLC	173,539	$0.25M	0.0%	N/A	0.330%
8/7/2023	Royce & Associates LP	22,851	$33K	0.0%	N/A	0.043%
8/3/2023	Mackenzie Financial Corp	17,198	$25K	0.0%	N/A	0.033%
7/27/2023	Virtu Financial LLC	22,195	$32K	0.0%	N/A	0.042%
5/15/2023	Anson Funds Management LP	3,344,862	$4.85M	0.8%	+10.8%	6.363%
4/17/2023	Bourgeon Capital Management LLC	25,600	$37K	0.0%	+95.4%	0.049%
2/14/2023	AWM Investment Company Inc.	1,300,400	$2.25M	0.3%	-43.5%	3.708%
11/16/2022	Alphabet Inc.	889,979	$1.78M	0.1%	N/A	2.538%
11/16/2022	Anson Funds Management LP	1,473,872	$2.95M	0.3%	N/A	4.203%
11/15/2022	Murchinson Ltd.	762,700	$1.53M	0.4%	N/A	2.175%
11/15/2022	BVF Inc. IL	1,929,376	$3.86M	0.2%	-37.6%	5.501%
10/21/2022	Weitzel Financial Services Inc.	14,200	$28K	0.0%	N/A	0.040%
8/9/2022	Kingsbury Capital Investment Advisors LLC	60,844	$45K	0.1%	N/A	0.185%
7/27/2022	Assenagon Asset Management S.A.	131,020	$97K	0.0%	+466.6%	0.399%
5/17/2022	Rock Springs Capital Management LP	990,913	$8.62M	0.2%	+4.8%	3.025%
5/16/2022	Eversept Partners LP	59,639	$0.52M	0.0%	N/A	0.182%
5/16/2022	Granahan Investment Management LLC	113,322	$0.99M	0.0%	-70.1%	0.346%
5/11/2022	GSA Capital Partners LLP	25,916	$0.23M	0.0%	N/A	0.079%
5/6/2022	Sentinel Pension Advisors Inc.	42,000	$0.37M	0.1%	+39.1%	0.128%
5/5/2022	New York State Common Retirement Fund	17,123	$0.15M	0.0%	-68.1%	0.052%
5/3/2022	Bourgeon Capital Management LLC	63,096	$0.55M	0.1%	+23.1%	0.193%
4/25/2022	Assenagon Asset Management S.A.	23,123	$0.20M	0.0%	N/A	0.071%
2/14/2022	Williams Jones Wealth Management LLC.	75,000	$1.20M	0.0%	-28.9%	0.232%
2/10/2022	Rafferty Asset Management LLC	34,958	$0.56M	0.0%	+86.1%	0.108%
2/9/2022	BNP Paribas Arbitrage SA	8,997	$0.14M	0.0%	+107.2%	0.028%
2/9/2022	Dimensional Fund Advisors LP	371,222	$5.94M	0.0%	+12.6%	1.148%
2/8/2022	Sentinel Pension Advisors Inc.	30,200	$0.48M	0.2%	+49.5%	0.093%
2/8/2022	Northern Trust Corp	253,200	$4.05M	0.0%	-1.8%	0.783%
2/4/2022	IndexIQ Advisors LLC	28,689	$0.46M	0.0%	-6.1%	0.089%
2/3/2022	OUP Management Co. LLC	249,070	$3.99M	1.8%	N/A	0.771%
2/2/2022	New York State Common Retirement Fund	53,728	$0.86M	0.0%	-24.6%	0.166%
1/31/2022	Bourgeon Capital Management LLC	51,246	$0.82M	0.2%	+22.8%	0.159%
1/28/2022	Allspring Global Investments Holdings LLC	10,186	$0.16M	0.0%	N/A	0.032%
1/21/2022	Russell Investments Group Ltd.	7,250	$0.12M	0.0%	-11.0%	0.022%
1/10/2022	Patriot Financial Group Insurance Agency LLC	4,150	$66K	0.0%	N/A	0.013%
11/16/2021	BVF Inc. IL	1,809,352	$33.31M	1.3%	-15.4%	5.628%
11/15/2021	Rock Springs Capital Management LP	941,543	$17.33M	0.4%	-2.5%	2.929%
11/15/2021	Royal Bank of Canada	180,102	$3.32M	0.0%	+8,249.7%	0.560%
11/15/2021	Granahan Investment Management Inc. MA	555,614	$10.23M	0.2%	+67.0%	1.728%
11/15/2021	Dimensional Fund Advisors LP	329,633	$6.07M	0.0%	-12.0%	1.025%
11/12/2021	Brandywine Global Investment Management LLC	58,400	$1.08M	0.0%	N/A	0.182%
11/12/2021	The Manufacturers Life Insurance Company	14,276	$0.26M	0.0%	-10.4%	0.044%
11/12/2021	Geode Capital Management LLC	444,914	$8.19M	0.0%	+7.5%	1.384%
11/10/2021	Goldman Sachs Group Inc.	137,579	$2.53M	0.0%	+1.0%	0.428%
11/10/2021	IndexIQ Advisors LLC	30,543	$0.56M	0.0%	+11.1%	0.095%
11/10/2021	Citigroup Inc.	16,085	$0.30M	0.0%	-59.1%	0.050%
11/10/2021	Rafferty Asset Management LLC	18,789	$0.35M	0.0%	-21.4%	0.058%
11/10/2021	Alliancebernstein L.P.	11,934	$0.22M	0.0%	-16.2%	0.037%
11/9/2021	Bourgeon Capital Management LLC	41,746	$0.77M	0.2%	N/A	0.130%
11/9/2021	Barclays PLC	9,965	$0.18M	0.0%	+79.1%	0.031%
11/9/2021	BlackRock Inc.	1,802,528	$33.19M	0.0%	+1.3%	5.607%
11/8/2021	Russell Investments Group Ltd.	8,147	$0.15M	0.0%	-53.1%	0.025%
11/5/2021	Advisor Group Holdings Inc.	2,548	$46K	0.0%	-74.7%	0.008%
11/2/2021	New York State Common Retirement Fund	71,220	$1.31M	0.0%	+42.8%	0.222%
11/1/2021	SG Americas Securities LLC	10,617	$0.20M	0.0%	N/A	0.033%
10/29/2021	Janney Montgomery Scott LLC	26,000	$0.48M	0.0%	+10.6%	0.081%
10/20/2021	Sentinel Pension Advisors Inc.	20,200	$0.37M	0.1%	N/A	0.063%
9/3/2021	Parametric Portfolio Associates LLC	29,947	$0.42M	0.0%	-4.7%	0.093%
8/17/2021	Metropolitan Life Insurance Co NY	6,987	$98K	0.0%	+139,640.0%	0.022%
8/17/2021	MetLife Investment Management LLC	9,977	$0.14M	0.0%	+392.0%	0.031%
8/16/2021	California State Teachers Retirement System	33,446	$0.47M	0.0%	+8.2%	0.104%
8/16/2021	Charles Schwab Investment Management Inc.	60,496	$0.85M	0.0%	+13.4%	0.188%
8/16/2021	State Street Corp	810,738	$11.32M	0.0%	-40.2%	2.522%
8/16/2021	Goldman Sachs Group Inc.	136,262	$1.90M	0.0%	-46.7%	0.424%
8/13/2021	Northern Trust Corp	260,886	$3.64M	0.0%	+8.9%	0.812%
8/13/2021	Liberty Wealth Management LLC	27,920	$2M	0.1%	+1,296.0%	0.087%
8/13/2021	Geode Capital Management LLC	413,761	$5.78M	0.0%	+13.8%	1.287%
8/13/2021	Vanguard Group Inc.	1,276,790	$17.82M	0.0%	+15.4%	3.972%
8/13/2021	ProShare Advisors LLC	11,608	$0.16M	0.0%	N/A	0.036%
8/12/2021	Dimensional Fund Advisors LP	374,443	$5.23M	0.0%	+9.3%	1.165%
8/12/2021	JPMorgan Chase & Co.	115,856	$1.62M	0.0%	+69.0%	0.360%
8/12/2021	The Manufacturers Life Insurance Company	15,941	$0.22M	0.0%	+18.5%	0.050%
8/11/2021	Bank of New York Mellon Corp	66,595	$0.93M	0.0%	+5.4%	0.207%
8/11/2021	BlackRock Inc.	1,778,822	$24.83M	0.0%	+0.1%	5.533%
8/11/2021	Deutsche Bank AG	15,215	$0.21M	0.0%	+9.0%	0.047%
8/10/2021	State Board of Administration of Florida Retirement System	11,007	$0.15M	0.0%	N/A	0.037%
8/10/2021	Citigroup Inc.	39,330	$0.55M	0.0%	-54.2%	0.132%
8/10/2021	Rafferty Asset Management LLC	23,898	$0.33M	0.0%	-65.3%	0.080%
8/4/2021	IndexIQ Advisors LLC	27,484	$0.38M	0.0%	-6.7%	0.093%
8/4/2021	Russell Investments Group Ltd.	17,369	$0.24M	0.0%	-64.7%	0.058%
8/3/2021	Bedel Financial Consulting Inc.	3,837	$54K	0.0%	N/A	0.013%
8/2/2021	New York State Common Retirement Fund	49,891	$0.70M	0.0%	-14.8%	0.168%
8/2/2021	Advisor Group Holdings Inc.	10,063	$0.14M	0.0%	-76.2%	0.034%

Data available starting January 2016

Spero Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on identifying, developing, and commercializing novel 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 treat complicated urinary tract infections, including pyelonephritis for adults; SPR206, an intravenous-administered antibiotic against MDR Gram-negative pathogens comprising carbapenem-resistant enterobacterales (CRE), acinetobacter baumannii, and pseudomonas aeruginosa, as well as negative bacterial infections in the hospital setting; and SPR720, a novel oral antibiotic agent for the treatment of non-tuberculous mycobacterial pulmonary disease. It has license agreement with Meiji Seika Pharma Co., Ltd. to support the development of tebipenem HBr; Everest Medicines to develop, manufacture, and commercialize SPR206 in Greater China, South Korea, and Southeast Asian countries; and Vertex Pharmaceuticals Incorporated for patents relating to SPR720, as well as SPR719, an active metabolite. Spero Therapeutics, Inc. was founded in 2013 and is headquartered in Cambridge, Massachusetts.

Today's Range

Now: $1.05

$1.04

$1.05

50 Day Range

MA: $1.22

$1.07

$1.33

52 Week Range

Now: $1.05

$1.01

$1.89

Volume

14,516 shs

Average Volume

217,951 shs

Market Capitalization

$57.01 million

P/E Ratio

14.79

Dividend Yield

N/A

Beta

0.59

Who are the company insiders with the largest holdings of Spero Therapeutics?: Spero Therapeutics' top insider investors include:
Sath Shukla (CEO)
Ankit Mahadevia (CEO)
Ankit Mahadevia (Director)
Kamal Hamed (Insider)
Timothy Keutzer (COO)
Timothy Keutzer (Insider)
Sath Shukla (CFO)
Learn More about top insider investors at Spero Therapeutics.
Who are the major institutional investors of Spero Therapeutics?: Spero Therapeutics' top institutional shareholders include:
Geode Capital Management LLC — 0.89%
Learn More about top institutional investors of Spero Therapeutics stock.
Which institutional investors are selling Spero Therapeutics stock?: In the last quarter, SPRO stock was sold by these institutional investors:
Geode Capital Management LLC
In the last year, company insiders that have sold Spero Therapeutics company stock include:
Sath Shukla (CEO)
Ankit Mahadevia (CEO)
Ankit Mahadevia (Director)
Learn More investors selling Spero Therapeutics stock.