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SPRO Insider Trading

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Insider Trading History
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About

Insider Ownership Percentage: 4.21%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $69,298.26

Spero Therapeutics Insider Trading History Chart

Spero Therapeutics Share Price & Price History

^$1.50

+0.30 (1.20%)

As of 04/18/2024 10:30 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
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
10/29/2021	Aquilo Capital Management, Llc	Major Shareholder	Buy	150,000	$17.53	$2,629,500.00
9/30/2021	Aquilo Capital Management, Llc	Major Shareholder	Buy	134,543	$18.65	$2,509,226.95
9/13/2021	Aquilo Capital Management, Llc	Major Shareholder	Buy	44,210	$18.56	$820,537.60
9/9/2021	Aquilo Capital Management, Llc	Major Shareholder	Buy	24,749	$18.50	$457,856.50
8/30/2021	Aquilo Capital Management, Llc	Major Shareholder	Buy	44,042	$17.87	$787,030.54
8/26/2021	Aquilo Capital Management, Llc	Major Shareholder	Buy	22,982	$16.55	$380,352.10

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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
3/11/2024	Vanguard Group Inc.	1,643,757	$2.42M	0.0%	+5.5%	3.101%
2/15/2024	Vanguard Group Inc.	1,643,757	$2.42M	0.0%	+5.5%	3.101%
2/15/2024	Citadel Advisors LLC	32,274	$47K	0.0%	N/A	0.061%
2/14/2024	ADAR1 Capital Management LLC	1,067,711	$1.57M	0.6%	N/A	2.015%
12/18/2023	Vanguard Group Inc.	1,557,596	$1.89M	0.0%	+2.0%	2.939%
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%
8/15/2023	XTX Topco Ltd	106,384	$0.15M	0.0%	-11.2%	0.202%
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	Renaissance Technologies LLC	593,431	$0.86M	0.0%	+44.6%	1.129%
8/11/2023	Atlas Venture Life Science Advisors LLC	1,013,438	$1.47M	0.2%	-1.7%	1.928%
8/11/2023	BlackRock Inc.	523,804	$0.76M	0.0%	+6.9%	0.996%
8/11/2023	Geode Capital Management LLC	390,805	$0.57M	0.0%	+15.7%	0.743%
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%
5/16/2023	Susquehanna International Group LLP	26,544	$38K	0.0%	-71.5%	0.050%
5/16/2023	Geode Capital Management LLC	337,856	$0.49M	0.0%	+31.3%	0.643%
5/15/2023	Anson Funds Management LP	3,344,862	$4.85M	0.8%	+10.8%	6.363%
5/15/2023	Two Sigma Investments LP	32,100	$47K	0.0%	-19.3%	0.061%
5/15/2023	XTX Topco Ltd	119,861	$0.17M	0.0%	-65.4%	0.228%
5/12/2023	Renaissance Technologies LLC	410,300	$0.60M	0.0%	+19.7%	0.780%
5/12/2023	Bank of America Corp DE	18,417	$27K	0.0%	+132.0%	0.035%
4/17/2023	Bourgeon Capital Management LLC	25,600	$37K	0.0%	+95.4%	0.049%
2/15/2023	CI Private Wealth LLC	17,500	$30K	0.0%	N/A	0.050%
2/15/2023	Virtu Financial LLC	34,369	$59K	0.0%	N/A	0.098%
2/15/2023	Millennium Management LLC	876,398	$1.52M	0.0%	+27.3%	2.499%
2/14/2023	AWM Investment Company Inc.	1,300,400	$2.25M	0.3%	-43.5%	3.708%
2/14/2023	Marshall Wace LLP	50,917	$88K	0.0%	-72.7%	0.145%
2/14/2023	Two Sigma Investments LP	39,795	$69K	0.0%	N/A	0.113%
2/13/2023	Charles Schwab Investment Management Inc.	28,565	$49K	0.0%	N/A	0.081%
2/13/2023	Renaissance Technologies LLC	342,900	$0.59M	0.0%	+59.7%	0.978%
2/13/2023	Geode Capital Management LLC	257,284	$0.45M	0.0%	-11.4%	0.734%
2/8/2023	UBS Group AG	45,682	$79K	0.0%	+99.4%	0.130%
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%
11/16/2022	Jane Street Group LLC	15,496	$31K	0.0%	N/A	0.044%
11/15/2022	State Street Corp	91,311	$0.18M	0.0%	-9.0%	0.260%
11/15/2022	Murchinson Ltd.	762,700	$1.53M	0.4%	N/A	2.175%
11/15/2022	Vanguard Group Inc.	1,053,723	$2.11M	0.0%	-15.4%	3.005%
11/15/2022	Marshall Wace LLP	186,570	$0.37M	0.0%	+413.0%	0.532%
11/15/2022	BVF Inc. IL	1,929,376	$3.86M	0.2%	-37.6%	5.501%
11/14/2022	Renaissance Technologies LLC	214,700	$0.43M	0.0%	-77.1%	0.612%
11/10/2022	Tower Research Capital LLC TRC	18,239	$37K	0.0%	-27.3%	0.052%
11/10/2022	UBS Group AG	22,908	$46K	0.0%	+2,934.2%	0.065%
10/21/2022	Weitzel Financial Services Inc.	14,200	$28K	0.0%	N/A	0.040%
8/18/2022	Goldman Sachs Group Inc.	303,201	$0.23M	0.0%	+114.4%	0.865%
8/15/2022	AQR Capital Management LLC	155,474	$0.12M	0.0%	N/A	0.474%
8/15/2022	State Street Corp	100,384	$74K	0.0%	-79.8%	0.306%
8/15/2022	Millennium Management LLC	314,643	$0.23M	0.0%	+413.6%	0.959%
8/13/2022	Renaissance Technologies LLC	939,017	$0.70M	0.0%	+760.7%	2.861%
8/12/2022	Northern Trust Corp	69,968	$52K	0.0%	-70.7%	0.213%
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%
6/7/2022	Bank of America Corp DE	9,810	$85K	0.0%	-76.4%	0.030%
5/27/2022	Walleye Capital LLC	40,009	$0.35M	0.0%	N/A	0.122%
5/17/2022	Walleye Capital LLC	40,009	$0.35M	0.0%	N/A	0.122%
5/17/2022	Jane Street Group LLC	15,622	$0.14M	0.0%	N/A	0.048%
5/17/2022	Royal Bank of Canada	196,097	$1.71M	0.0%	+7.4%	0.599%
5/17/2022	Rock Springs Capital Management LP	990,913	$8.62M	0.2%	+4.8%	3.025%
5/16/2022	State Street Corp	497,185	$4.33M	0.0%	-41.1%	1.518%
5/16/2022	Eversept Partners LP	59,639	$0.52M	0.0%	N/A	0.182%
5/16/2022	Engineers Gate Manager LP	10,957	$95K	0.0%	N/A	0.033%
5/16/2022	Granahan Investment Management LLC	113,322	$0.99M	0.0%	-70.1%	0.346%
5/16/2022	Williams Jones Wealth Management LLC.	26,000	$0.23M	0.0%	-65.3%	0.079%
5/13/2022	Renaissance Technologies LLC	109,100	$0.95M	0.0%	N/A	0.333%
5/13/2022	Northern Trust Corp	238,452	$2.07M	0.0%	-5.8%	0.728%
5/13/2022	XTX Topco Ltd	13,260	$0.12M	0.1%	N/A	0.040%
5/13/2022	Vanguard Group Inc.	1,373,928	$11.95M	0.0%	+1.7%	4.194%
5/13/2022	Dimensional Fund Advisors LP	406,946	$3.54M	0.0%	+9.6%	1.242%
5/11/2022	JPMorgan Chase & Co.	81,172	$0.71M	0.0%	-16.5%	0.248%
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%

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: $1.50

$1.50

50 Day Range

MA: $1.64

$1.35

$1.80

52 Week Range

Now: $1.50

$0.99

$2.00

Volume

3,183 shs

Average Volume

295,871 shs

Market Capitalization

$80.81 million

P/E Ratio

3.57

Dividend Yield

N/A

Beta

0.55

Who are the company insiders with the largest holdings of Spero Therapeutics?: Spero Therapeutics' top insider investors include:
Aquilo Capital Management, Llc (Major Shareholder)
Ankit Mahadevia (CEO)
Ankit Mahadevia (Director)
Kamal Hamed (Insider)
Sath Shukla (CEO)
Timothy Keutzer (COO)
Timothy Keutzer (Insider)
Sath Shukla (CFO)
Learn More about top insider investors at Spero Therapeutics.

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SPRO Insider Trading

Spero Therapeutics Insider Trading History Chart

Spero Therapeutics Share Price & Price History

Spero Therapeutics Insider Trading History

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

Institutional Buying and Selling by Quarter

Spero Therapeutics Institutional Trading History

Today's Range

50 Day Range

52 Week Range

Volume

Average Volume

Market Capitalization

P/E Ratio

Dividend Yield

Beta

Who are the company insiders with the largest holdings of Spero Therapeutics?