---
schema_version: "secwatch.filing_event.v1"
accession: "0001698530-23-000098"
form_type: "8-K"
ticker: "XCUR"
cik: "0001698530"
company_name: "EXICURE, INC."
filed_at: "2023-08-23T23:59:59+00:00"
generated_at: "2026-06-11T04:53:30.633065+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Exicure appoints new CEO/CFO and three directors after board resignations

## Summary
- CEO, CFO, President, Secretary Jung Sang (Michael) Kim resigned Aug 18; Changil Ahn also resigned from board.
- Paul Kang appointed CEO and President; Jiyoung Hwang appointed CFO and Secretary, both effective Aug 21.
- New directors Hyuk Joon Ko, Dongho Lee, Hojoon Lee appointed to fill vacancies; Ko and Lee join Audit Committee.
- New CEO and CFO each get $150k annual base salary; new directors receive $20k annual retainer.
- Company says management, board and controlling stockholders are now 'fully aligned' on strategic vision.

## SEC filing metadata
- accession: 0001698530-23-000098
- form_type: 8-K
- ticker: XCUR
- cik: 0001698530
- company_name: EXICURE, INC.
- filed_at: 2023-08-23T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1698530/000169853023000098/0001698530-23-000098-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1698530/000169853023000098/xcur-20230823.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001698530-23-000098
- JSON: https://secwatch.observer/filing/0001698530-23-000098.json
- Plain text: https://secwatch.observer/filing/0001698530-23-000098.txt

## Key facts
- Executive change
  Hyuk Joon (Raymond) Ko was appointed as Director at EXICURE, INC..
  - Action: appointed
  - Role: Director
  source text: The Board appointed Hyuk Joon (Raymond) Ko, Dongho Lee and Hojoon Lee to the Board, effective August 21, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1698530/000169853023000098/0001698530-23-000098-index.htm
- Executive change
  Jung Sang (Michael) Kim resigned as Director at EXICURE, INC..
  - Action: resigned
  - Role: Director
  source text: On August 18, 2023, Jung Sang (Michael) Kim resigned from the Board for personal reasons, effective immediately as of such date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1698530/000169853023000098/0001698530-23-000098-index.htm
- Executive change
  Changil Ahn resigned as Director at EXICURE, INC..
  - Action: resigned
  - Role: Director
  source text: On August 18, 2023, Changil Ahn resigned from the Board of Directors (the “ Board ”) and the Audit Committee for personal reasons, effective immediately as of such date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1698530/000169853023000098/0001698530-23-000098-index.htm
- Executive change
  Jiyoung Hwang was appointed as Chief Financial Officer and Secretary at EXICURE, INC..
  - Action: appointed
  - Role: Chief Financial Officer and Secretary
  source text: and Jiyoung Hwang as the Chief Financial Officer and Secretary of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1698530/000169853023000098/0001698530-23-000098-index.htm
- Executive change
  Dongho Lee was appointed as Director at EXICURE, INC..
  - Action: appointed
  - Role: Director
  source text: The Board appointed Hyuk Joon (Raymond) Ko, Dongho Lee and Hojoon Lee to the Board, effective August 21, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1698530/000169853023000098/0001698530-23-000098-index.htm
- Executive change
  Jung Sang (Michael) Kim resigned as Chief Executive Officer at EXICURE, INC..
  - Action: resigned
  - Role: Chief Executive Officer
  source text: In connection with his resignation from the Board, Mr. Kim also resigned as the Chief Executive Officer, Chief Financial Officer, President and Secretary of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1698530/000169853023000098/0001698530-23-000098-index.htm
- Executive change
  Hojoon Lee was appointed as Director at EXICURE, INC..
  - Action: appointed
  - Role: Director
  source text: The Board appointed Hyuk Joon (Raymond) Ko, Dongho Lee and Hojoon Lee to the Board, effective August 21, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1698530/000169853023000098/0001698530-23-000098-index.htm
- Executive change
  Paul Kang was appointed as Chief Executive Officer and President at EXICURE, INC..
  - Action: appointed
  - Role: Chief Executive Officer and President
  source text: On August 21, 2023, in connection with Mr. Kim’s resignation, the Board appointed Paul Kang as the Chief Executive Officer and President of the Company
  evidence_url: https://www.sec.gov/Archives/edgar/data/1698530/000169853023000098/0001698530-23-000098-index.htm

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