---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-22-004769"
form_type: "8-K"
ticker: "MBRX"
cik: "0001659617"
company_name: "Moleculin Biotech, Inc."
filed_at: "2022-03-01T23:59:59+00:00"
generated_at: "2026-06-27T03:04:33.404632+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Moleculin appoints Joy Yan, M.D., Ph.D. to Board of Directors

## Summary
- Appointment effective March 1, 2022; Dr. Yan will serve as an independent director.
- Compensation includes $40,000 annual cash retainer and 10-year option for 6,667 shares vesting over 3 years.
- Dr. Yan brings experience from Bristol Myers Squibb, Janssen, Bayer; led development of nivolumab and ipilimumab.
- No board committee assignments at this time.
- Press release issued March 1, 2022; standard indemnification agreement executed.

## SEC filing metadata
- accession: 0001437749-22-004769
- form_type: 8-K
- ticker: MBRX
- cik: 0001659617
- company_name: Moleculin Biotech, Inc.
- filed_at: 2022-03-01T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1659617/000143774922004769/0001437749-22-004769-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1659617/000143774922004769/mbrx20220224_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-22-004769
- JSON: https://secwatch.observer/filing/0001437749-22-004769.json
- Plain text: https://secwatch.observer/filing/0001437749-22-004769.txt

## Key facts
- Executive change
  Joy Yan was appointed as Independent Director at Moleculin Biotech, Inc..
  - Action: appointed
  - Role: Independent Director
  source text: On March 1, 2022, the Board of Directors of Moleculin Biotech, Inc. (the “Company”) appointed Joy Yan as an independent member of the Company’s Board of Directors, effective on such date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1659617/000143774922004769/0001437749-22-004769-index.htm

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