---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-118572"
form_type: "8-K"
ticker: "MNOV"
cik: "0001226616"
company_name: "MEDICINOVA INC"
filed_at: "2023-04-26T23:59:59+00:00"
generated_at: "2026-06-16T11:54:51.086267+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# MediciNova director Jeff Himawan to not stand for re-election due to health reasons

## Summary
- Dr. Jeff Himawan notified Board he will not stand for re-election as Class I director at 2023 annual meeting.
- Decision solely due to personal health reasons; no disagreement with Company operations, policies, or practices.
- His term ends at the Annual Meeting; seat will remain vacant until filled per Company Bylaws.
- Company thanks Dr. Himawan for his leadership and service.

## SEC filing metadata
- accession: 0001193125-23-118572
- form_type: 8-K
- ticker: MNOV
- cik: 0001226616
- company_name: MEDICINOVA INC
- filed_at: 2023-04-26T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1226616/000119312523118572/0001193125-23-118572-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1226616/000119312523118572/d467282d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-118572
- JSON: https://secwatch.observer/filing/0001193125-23-118572.json
- Plain text: https://secwatch.observer/filing/0001193125-23-118572.txt

## Key facts
- Executive change
  Jeff Himawan departed as Director at MEDICINOVA INC.
  - Action: will not stand for re-election
  - Role: Director
  source text: On April 20, 2023, Jeff Himawan, Ph.D., a member of the Board of Directors (the “Board”) of MediciNova, Inc. (the “Company”) notified the Board that he will not stand for re-election as a Class I director of the Company at the Company’s 2023 annual meeting of stockholders (the “Annual Meeting”) due solely to a personal decision related to health reasons.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1226616/000119312523118572/0001193125-23-118572-index.htm

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