---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-24-015780"
form_type: "8-K"
ticker: null
cik: "0001267813"
company_name: "MARINUS PHARMACEUTICALS, INC."
filed_at: "2024-11-15T23:59:59+00:00"
generated_at: "2026-05-29T23:37:42.912743+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Three directors resign from Marinus board; board size reduced to six

## Summary
- Charles Austin, Dr. Nochur, and Dr. Noonberg resigned effective Nov 14, 2024; resignations not due to any disagreement with the Company.
- Board authorized size decreased from nine to six directors immediately following resignations.
- No replacements named; three vacancies remain on the Board.

## SEC filing metadata
- accession: 0001558370-24-015780
- form_type: 8-K
- cik: 0001267813
- company_name: MARINUS PHARMACEUTICALS, INC.
- filed_at: 2024-11-15T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1267813/000155837024015780/0001558370-24-015780-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1267813/000155837024015780/mrns-20241114x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-24-015780
- JSON: https://secwatch.observer/filing/0001558370-24-015780.json
- Plain text: https://secwatch.observer/filing/0001558370-24-015780.txt

## Key facts
- Executive change
  Sarah Noonberg resigned as Director at MARINUS PHARMACEUTICALS, INC..
  - Action: resigned
  - Role: Director
  source text: On November 14, 2024, each of Charles Austin, Saraswathy V. Nochur, Ph.D. and Sarah Noonberg, M.D., Ph.D., resigned from the Board of Directors of Marinus Pharmaceuticals, Inc. (the "Company") , effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1267813/000155837024015780/0001558370-24-015780-index.htm
- Executive change
  Charles Austin resigned as Director at MARINUS PHARMACEUTICALS, INC..
  - Action: resigned
  - Role: Director
  source text: On November 14, 2024, each of Charles Austin, Saraswathy V. Nochur, Ph.D. and Sarah Noonberg, M.D., Ph.D., resigned from the Board of Directors of Marinus Pharmaceuticals, Inc. (the "Company") , effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1267813/000155837024015780/0001558370-24-015780-index.htm
- Executive change
  Saraswathy V. Nochur resigned as Director at MARINUS PHARMACEUTICALS, INC..
  - Action: resigned
  - Role: Director
  source text: On November 14, 2024, each of Charles Austin, Saraswathy V. Nochur, Ph.D. and Sarah Noonberg, M.D., Ph.D., resigned from the Board of Directors of Marinus Pharmaceuticals, Inc. (the "Company") , effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1267813/000155837024015780/0001558370-24-015780-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.