Marinus Pharmaceuticals, Inc. 401(k) Plan

What the Filing Says About Marinus Pharmaceuticals, Inc. 401(k) Plan

Marinus Pharmaceuticals, Inc. 401(k) Plan is a 401(k) retirement plan sponsored by Marinus Pharmaceuticals, Inc., headquartered in Pennsylvania. As of the 2022 Form 5500 filing, the plan reports $7M in total end-of-year assets and covers 116 participants across the Professional & Technical Services industry. The sponsor's EIN on file with the U.S. Department of Labor is 200198082, and the plan has been effective since 2007-01-01. Its filing status is currently FILING RECEIVED.

Year over year, total assets moved from $6M at the beginning of 2022 to $7M at year-end - a gain of 27.2%. Net assets (after liabilities) closed the year at $7M, with reported net income of $2M driven by investment returns, contributions received, and benefit payments during the period. These figures reflect what the plan administrator certified on Schedule H or Schedule I of the Form 5500 annual return and can be compared against 2 prior plan-year filings from the same sponsor shown below.

Asset totals and participant counts reflect a single plan year snapshot and can change materially with market conditions, plan mergers, or workforce changes. Fields such as "net income" include both realized investment performance and contribution/distribution flows, a single-year figure does not by itself indicate plan health or participant outcomes. This page summarizes public DOL disclosures for research and educational purposes only and is not retirement, tax, legal, or financial advice. Before making decisions about your own retirement benefits or evaluating an employer's plan, verify the underlying filing directly via the DOL EFAST2 system and consult a qualified professional.