MRNS Insider Trading

Insider Trading Chart
Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 5.46%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $131,258.21

Marinus Pharmaceuticals Insider Trading History Chart

Marinus Pharmaceuticals Share Price & Price History

^$1.43

▲ +0.01 (0.70%)

As of 07/26/2024 01:00 AM ET

Days: 30 | 90 | 365

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Marinus Pharmaceuticals Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
8/7/2023	Christina Shafer	Insider	Sell	2,385	$9.52	$22,705.20	40,637
8/7/2023	Martha E Manning	SVP	Sell	2,169	$9.54	$20,692.26	33,036
8/7/2023	Scott Braunstein	CEO	Sell	6,413	$9.55	$61,244.15	160,792
8/7/2023	Steven Pfanstiel	CFO	Sell	2,790	$9.54	$26,616.60	49,338
2/6/2023	Seth H Z Fischer	Director	Sell	1,018	$6.54	$6,657.72	6,026

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SEC Filings (Institutional Ownership Changes) for Marinus Pharmaceuticals (NASDAQ:MRNS)

98.80% of Marinus Pharmaceuticals 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

Marinus Pharmaceuticals Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
7/19/2024	Values First Advisors Inc.	62,671	$73K	0.0%	+501.8%	0.114%
7/18/2024	Assenagon Asset Management S.A.	260,789	$0.31M	0.0%	-3.8%	0.475%
7/12/2024	SG Americas Securities LLC	29,178	$34K	0.0%	N/A	0.053%
5/16/2024	Jacobs Levy Equity Management Inc.	42,449	$0.38M	0.0%	N/A	0.077%
5/16/2024	Bain Capital Life Sciences Investors LLC	1,393,380	$12.60M	1.0%	-2.6%	2.537%
5/15/2024	Avoro Capital Advisors LLC	4,140,607	$37.43M	0.4%	+31.4%	7.538%
5/10/2024	Vanguard Group Inc.	2,805,920	$25.37M	0.0%	+5.0%	5.108%
5/2/2024	Hussman Strategic Advisors Inc.	73,500	$0.66M	0.2%	N/A	0.134%
3/5/2024	Wellington Management Group LLP	241,299	$2.62M	0.0%	+54.8%	0.442%
2/15/2024	Opaleye Management Inc.	563,500	$6.13M	1.6%	-3.5%	1.033%
2/14/2024	Superstring Capital Management LP	462,444	$5.03M	3.6%	N/A	0.847%
2/13/2024	Campbell & CO Investment Adviser LLC	105,383	$1.15M	0.1%	N/A	0.193%
2/12/2024	Alpha DNA Investment Management LLC	49,664	$0.54M	0.2%	-35.6%	0.091%
2/9/2024	Franklin Resources Inc.	3,833,955	$41.68M	0.0%	+1.3%	7.026%
2/9/2024	Trexquant Investment LP	50,851	$0.55M	0.0%	N/A	0.093%
2/5/2024	Victory Capital Management Inc.	83,270	$0.91M	0.0%	-11.9%	0.153%
2/5/2024	Mach 1 Financial Group LLC	43,828	$0.48M	0.2%	-35.7%	0.080%
2/1/2024	New York State Common Retirement Fund	17,120	$0.19M	0.0%	-14.6%	0.031%
2/1/2024	Jennison Associates LLC	2,959,161	$32.17M	0.0%	+0.1%	5.423%
1/31/2024	abrdn plc	552,572	$6.01M	0.0%	N/A	1.013%
1/24/2024	China Universal Asset Management Co. Ltd.	6,307	$69K	0.0%	+383.7%	0.012%
1/19/2024	Denali Advisors LLC	13,600	$0.15M	0.0%	-48.9%	0.025%
1/17/2024	Assenagon Asset Management S.A.	271,157	$2.95M	0.0%	-47.0%	0.497%
1/12/2024	SG Americas Securities LLC	12,289	$0.13M	0.0%	N/A	0.023%
1/1/2024	Wellington Management Group LLP	155,844	$1.26M	0.0%	-0.7%	0.286%
12/18/2023	Vanguard Group Inc.	2,577,475	$20.75M	0.0%	+1.2%	4.723%
11/15/2023	Acuta Capital Partners LLC	19,500	$0.16M	0.1%	N/A	0.036%
11/15/2023	Adage Capital Partners GP L.L.C.	2,904,476	$23.38M	0.1%	+6.3%	5.322%
11/14/2023	Eventide Asset Management LLC	4,529,997	$36.47M	0.7%	+42.8%	8.301%
11/14/2023	Schonfeld Strategic Advisors LLC	253,412	$2.04M	0.0%	+69.5%	0.464%
11/14/2023	Sherbrooke Park Advisers LLC	17,539	$0.14M	0.0%	N/A	0.032%
11/8/2023	Values First Advisors Inc.	13,461	$0.11M	0.1%	-17.1%	0.027%
11/7/2023	Alpha DNA Investment Management LLC	77,083	$0.62M	0.3%	N/A	0.152%
11/7/2023	Barclays PLC	9,012	$73K	0.0%	-84.4%	0.018%
11/6/2023	Assenagon Asset Management S.A.	511,193	$4.12M	0.0%	-25.1%	1.010%
11/6/2023	Victory Capital Management Inc.	94,550	$0.76M	0.0%	+61.2%	0.187%
10/31/2023	Jennison Associates LLC	2,955,343	$23.79M	0.0%	+58.4%	5.839%
10/25/2023	BluePath Capital Management LLC	4,730	$38K	0.0%	N/A	0.009%
10/20/2023	Denali Advisors LLC	26,600	$0.21M	0.1%	-49.4%	0.053%
10/17/2023	Mach 1 Financial Group LLC	68,203	$0.55M	0.2%	N/A	0.135%
10/11/2023	AE Wealth Management LLC	69,230	$0.56M	0.0%	N/A	0.137%
8/15/2023	Suvretta Capital Management LLC	4,057,611	$44.07M	2.4%	-16.0%	8.017%
8/14/2023	Jefferies Financial Group Inc.	254,021	$2.76M	0.0%	-49.6%	0.502%
8/14/2023	Graham Capital Management L.P.	31,162	$0.34M	0.0%	-60.1%	0.062%
8/11/2023	Harvest Investment Services LLC	44,572	$0.48M	0.3%	N/A	0.088%
8/11/2023	Campbell & CO Investment Adviser LLC	11,856	$0.13M	0.0%	N/A	0.023%
8/11/2023	Franklin Resources Inc.	1,316,868	$14.30M	0.0%	+28.4%	2.605%
8/10/2023	Metropolitan Life Insurance Co NY	2,731	$30K	0.0%	N/A	0.005%
8/10/2023	Tekla Capital Management LLC	411,101	$4.47M	0.2%	-10.0%	0.813%
8/8/2023	International Biotechnology Trust PLC	90,000	$0.98M	0.3%	N/A	0.178%
8/4/2023	American International Group Inc.	23,982	$0.26M	0.0%	N/A	0.047%
8/4/2023	Maven Securities LTD	25,000	$0.27M	0.0%	-28.6%	0.049%
8/3/2023	Jennison Associates LLC	1,865,430	$20.26M	0.0%	N/A	3.690%
8/3/2023	Bank of New York Mellon Corp	163,770	$1.78M	0.0%	+214.9%	0.324%
8/2/2023	Values First Advisors Inc.	16,245	$0.18M	0.1%	-11.1%	0.032%
8/2/2023	Bank of Montreal Can	188,722	$2.06M	0.0%	N/A	0.373%
7/27/2023	Victory Capital Management Inc.	58,660	$0.64M	0.0%	N/A	0.116%
7/18/2023	Denali Advisors LLC	52,600	$0.57M	0.2%	+447.9%	0.104%
5/16/2023	Altium Capital Management LP	228,714	$1.58M	0.9%	N/A	0.452%
5/15/2023	Suvretta Capital Management LLC	4,831,261	$33.34M	1.4%	+0.2%	9.558%
5/15/2023	AIGH Capital Management LLC	1,336,150	$9.22M	3.4%	N/A	2.643%
5/12/2023	Mirabella Financial Services LLP	57,388	$0.40M	0.1%	+425.5%	0.116%
5/12/2023	Tejara Capital Ltd	38,649	$0.27M	0.1%	-59.7%	0.078%
5/10/2023	Simplify Asset Management Inc.	150,000	$1.04M	0.1%	N/A	0.302%
5/10/2023	Tekla Capital Management LLC	456,780	$3.15M	0.1%	N/A	0.920%
5/9/2023	GMT Capital Corp	1,181,570	$8.15M	0.3%	N/A	2.379%
5/9/2023	Y Intercept Hong Kong Ltd	14,479	$100K	0.0%	N/A	0.029%
5/4/2023	Barclays PLC	643,015	$4.44M	0.0%	+3,441.8%	1.295%
5/3/2023	Jump Financial LLC	11,526	$80K	0.0%	-16.9%	0.023%
4/21/2023	Denali Advisors LLC	9,600	$66K	0.0%	N/A	0.019%
4/18/2023	Assenagon Asset Management S.A.	682,491	$4.71M	0.0%	+51.7%	1.374%
2/14/2023	VR Adviser LLC	1,770,705	$7.05M	1.1%	-43.9%	4.760%
2/14/2023	683 Capital Management LLC	90,000	$0.36M	0.0%	-90.8%	0.242%
2/13/2023	Antara Capital LP	1,698,794	$6.76M	0.2%	+70.4%	4.567%
2/10/2023	Opaleye Management Inc.	826,200	$3.29M	1.1%	N/A	2.221%
2/1/2023	Bank of Montreal Can	420,400	$1.68M	0.0%	+19.5%	1.130%
1/12/2023	Assenagon Asset Management S.A.	449,948	$1.79M	0.0%	-14.8%	1.210%
11/14/2022	Delphia USA Inc.	12,973	$86K	0.1%	N/A	0.035%
11/14/2022	683 Capital Management LLC	975,000	$6.48M	0.5%	-48.7%	2.621%
11/14/2022	Ergoteles LLC	150,334	$1M	0.0%	-23.0%	0.404%
10/27/2022	Assenagon Asset Management S.A.	527,925	$3.51M	0.0%	+392.8%	1.419%
8/15/2022	Opaleye Management Inc.	68,900	$0.33M	0.2%	N/A	0.186%
8/15/2022	Laurion Capital Management LP	15,377	$74K	0.0%	N/A	0.041%
8/12/2022	Franklin Resources Inc.	437,700	$2.12M	0.0%	+22.5%	1.179%
7/27/2022	Assenagon Asset Management S.A.	107,123	$0.52M	0.0%	N/A	0.288%
6/30/2022	Amalgamated Bank	6,013	$56K	0.0%	N/A	0.016%
5/16/2022	Suvretta Capital Management LLC	2,766,000	$25.86M	0.8%	+4.8%	7.473%
5/16/2022	Maven Securities LTD	35,000	$0.33M	0.0%	+40.0%	0.095%
5/11/2022	Bleichroeder LP	1,322,463	$12.37M	2.2%	+24.5%	3.573%
5/11/2022	Granite Point Capital Management L.P.	472,056	$4.41M	0.9%	+12.6%	1.275%
5/11/2022	GSA Capital Partners LLP	65,529	$0.61M	0.1%	-46.0%	0.177%
5/6/2022	Grimes & Company Inc.	32,765	$0.31M	0.0%	+27.6%	0.089%
5/4/2022	Victory Capital Management Inc.	113,779	$1.06M	0.0%	+16.3%	0.307%
4/29/2022	Nisa Investment Advisors LLC	16,000	$0.15M	0.0%	N/A	0.043%
2/15/2022	Sofinnova Investments Inc.	171,338	$2.04M	0.1%	+2.8%	0.466%
2/15/2022	683 Capital Management LLC	1,932,829	$22.96M	0.8%	+0.2%	5.257%
2/14/2022	Virtus ETF Advisers LLC	15,932	$0.19M	0.1%	+40.6%	0.043%
2/14/2022	Suvretta Capital Management LLC	2,638,775	$31.35M	0.6%	+20.1%	7.177%
2/14/2022	GSA Capital Partners LLP	121,371	$1.44M	0.2%	-5.5%	0.330%
2/11/2022	Bank of Montreal Can	366,300	$4.52M	0.0%	-11.9%	0.996%

Data available starting January 2016

Marinus Pharmaceuticals, Inc., a pharmaceutical company, focuses on development and commercialization of therapeutic products for patients suffering from rare genetic epilepsies and other seizure disorders. It offers ZTALMY (ganaxolone), an oral suspension for the treatment of seizures associated with cyclin-dependent kinase-like 5 deficiency disorder for adult and pediatric patient populations in acute and chronic care, and in-patient and self-administered settings. The company's ZTALMY product candidate acts at synaptic and extrasynaptic GABAA receptors, a target for its anti-seizure, antidepressant, and anxiolytic potential. It is developing ganaxolone for treating genetic epilepsy disorders, such as PCDH19-related epilepsy, and tuberous sclerosis complex. Marinus Pharmaceuticals, Inc. has license agreement with Purdue Neuroscience Company and CyDex Pharmaceuticals, Inc.; and collaboration agreement with Orion Corporation and Tenacia Biotechnology (Shanghai) Co., Ltd. Marinus Pharmaceuticals, Inc. was incorporated in 2003 and is headquartered in Radnor, Pennsylvania.

Today's Range

Now: $1.43

$1.41

$1.47

50 Day Range

MA: $1.38

$1.17

$1.56

52 Week Range

Now: $1.43

$1.10

$11.26

Volume

174,678 shs

Average Volume

1,314,470 shs

Market Capitalization

$78.55 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.12

Who are the company insiders with the largest holdings of Marinus Pharmaceuticals?: Marinus Pharmaceuticals' top insider investors include:
Scott Braunstein (CEO)
Steven Pfanstiel (CFO)
Christina Shafer (Insider)
Martha E Manning (SVP)
Seth H Z Fischer (Director)
Learn More about top insider investors at Marinus Pharmaceuticals.
Who are the major institutional investors of Marinus Pharmaceuticals?: Marinus Pharmaceuticals' top institutional investors include:
Assenagon Asset Management S.A. — 0.47%
Values First Advisors Inc. — 0.11%
SG Americas Securities LLC — 0.05%
Learn More about top institutional investors of Marinus Pharmaceuticals stock.
Which institutional investors are selling Marinus Pharmaceuticals stock?: Within the last quarter, MRNS stock was sold by these institutional investors:
Assenagon Asset Management S.A.
Within the previous year, company insiders that have sold Marinus Pharmaceuticals company stock include:
Scott Braunstein (CEO)
Steven Pfanstiel (CFO)
Christina Shafer (Insider)
Martha E Manning (SVP)
Learn More investors selling Marinus Pharmaceuticals stock.
Which institutional investors are buying Marinus Pharmaceuticals stock?: In the last quarter, MRNS stock was bought by institutional investors including:
Values First Advisors Inc.
SG Americas Securities LLC