---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-018690"
form_type: "8-K"
ticker: "IPDN"
cik: "0001546296"
company_name: "Professional Diversity Network, Inc."
filed_at: "2025-05-28T23:59:59+00:00"
generated_at: "2026-05-20T07:58:52.140924+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Two directors resign, two new directors appointed at Professional Diversity Network

## Summary
- Ge Yi and Katerine Lauderdale resigned from the Board effective May 22, 2025; no disagreement cited.
- Cheung Wai Kee and Song Tai appointed to fill vacancies effective May 26, 2025.
- Cheung Wai Kee is Financial Controller/Company Secretary of HKSE-listed China Kingstone Mining; CPA.
- Song Tai has 20+ years international business management; currently GM at Sino American Energy SPA.
- Eloisa Sultan appointed to Compensation Committee as member and Chairwoman, filling Lauderdale's vacancy.

## SEC filing metadata
- accession: 0001437749-25-018690
- form_type: 8-K
- ticker: IPDN
- cik: 0001546296
- company_name: Professional Diversity Network, Inc.
- filed_at: 2025-05-28T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1546296/000143774925018690/0001437749-25-018690-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1546296/000143774925018690/ipdn20250528_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-018690
- JSON: https://secwatch.observer/filing/0001437749-25-018690.json
- Plain text: https://secwatch.observer/filing/0001437749-25-018690.txt

## Key facts
- Executive change
  Katerine Lauderdale resigned as Director at Professional Diversity Network, Inc..
  - Action: resigned
  - Role: Director
  source text: On May 22, 2025, Katerine Lauderdale notified the Company of her decision to resign from the Company’s Board of Directors effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1546296/000143774925018690/0001437749-25-018690-index.htm
- Executive change
  Song Tai was appointed as Director at Professional Diversity Network, Inc..
  - Action: appointed
  - Role: Director
  source text: On May 26, 2025, upon the recommendation of the Company’s Nominating and Corporate Governance Committee and following interviews conducted by the Board, the Board appointed Mr. Cheung Wai Kee and Mr. Song Tai to fill the vacancies on the Board created by resignations of Mr. Ge Yi and Ms. Katerine Lauderdale, both effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1546296/000143774925018690/0001437749-25-018690-index.htm
- Executive change
  Cheung Wai Kee was appointed as Director at Professional Diversity Network, Inc..
  - Action: appointed
  - Role: Director
  source text: On May 26, 2025, upon the recommendation of the Company’s Nominating and Corporate Governance Committee and following interviews conducted by the Board, the Board appointed Mr. Cheung Wai Kee and Mr. Song Tai to fill the vacancies on the Board created by resignations of Mr. Ge Yi and Ms. Katerine Lauderdale, both effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1546296/000143774925018690/0001437749-25-018690-index.htm
- Executive change
  Ge Yi resigned as Director at Professional Diversity Network, Inc..
  - Action: resigned
  - Role: Director
  source text: On May 22, 2025, Ge Yi notified the Board of Directors of Professional Diversity Network, Inc. (the “Company”) of his decision to resign from the Company’s Board of Directors (the “Board”) effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1546296/000143774925018690/0001437749-25-018690-index.htm

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