---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-290264"
form_type: "8-K"
ticker: "XCUR"
cik: "0001698530"
company_name: "EXICURE, INC."
filed_at: "2026-06-30T18:55:32+00:00"
generated_at: "2026-06-30T18:56:17.249212+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Exicure board changes: Ham Jung Kyu resigns, Go Jin Young and Han Eui Seok appointed, Compensation Committee formed

## Summary
- Ham Jung Kyu resigned from board effective June 30, 2026; no disagreement with company.
- Board size increased from 5 to 6; Go Jin Young appointed to fill vacancy, Han Eui Seok appointed to new seat.
- Han Eui Seok deemed independent; Go Jin Young not independent due to anticipated non-independent role.
- Compensation Committee formed with Han as Chair and Dongho Lee as member.
- New directors have no material interests or family relationships with officers.

## SEC filing metadata
- accession: 0001193125-26-290264
- form_type: 8-K
- ticker: XCUR
- cik: 0001698530
- company_name: EXICURE, INC.
- filed_at: 2026-06-30T18:55:32+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1698530/000119312526290264/0001193125-26-290264-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1698530/000119312526290264/xcur-20260630.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-290264
- JSON: https://secwatch.observer/filing/0001193125-26-290264.json
- Plain text: https://secwatch.observer/filing/0001193125-26-290264.txt

## Key facts
- Executive change
  Han Eui Seok was appointed as Director at EXICURE, INC..
  - Action: appointed
  - Role: Director
  source text: To fill the newly created directorship resulting from the increase in the size of the Board, the Board appointed Han Eui Seok to serve as a Class III director of the Company, effective as of June 30, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1698530/000119312526290264/0001193125-26-290264-index.htm
- Executive change
  Ham Jung Kyu resigned as Director at EXICURE, INC..
  - Action: resigned
  - Role: Director
  source text: On June 24, 2026, Ham Jung Kyu resigned from the Board of Directors (the “Board”) of Exicure, Inc. (the “Company”), effective as of June 30, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1698530/000119312526290264/0001193125-26-290264-index.htm
- Executive change
  Go Jin Young was appointed as Director at EXICURE, INC..
  - Action: appointed
  - Role: Director
  source text: To fill the vacancy created by the resignation of Ham Jung Kyu, the Board appointed Go Jin Young to serve as a Class III director of the Company, effective as of June 30, 2026.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1698530/000119312526290264/0001193125-26-290264-index.htm

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