Exicure adds two directors as four resign

Exicure, Inc. reported significant changes to its Board of Directors.

Rhea-AI Filing Summary

Exicure, Inc. reported significant changes to its Board of Directors. On September 8, 2025, the company appointed Sangjn Yeo and Aejin Hwang as Class II directors, with terms running until the 2025 annual meeting of stockholders or until a successor is elected and qualified. Both were also named to the audit committee, and Mr. Yeo was appointed Chairman of that committee.

The filing states there are no family relationships between the new directors and existing leadership, and no material related-party transactions requiring disclosure. Each new director will receive an annual retainer of $20,000 and is expected to enter into the company’s standard indemnification agreement.

Also on September 8, 2025, four directors — Ho Jung John, Chang Keun Choi, Sangwook Song, and Minwoo Kang — resigned from the Board, effective immediately. Their resignations were not due to any disagreement about the company’s operations, policies, or practices. After these appointments and resignations, Exicure has four remaining vacancies on its Board.

8-K Event Classification

2 items: 5.02, 9.01

2 items

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What Board changes did Exicure (XCUR) disclose in this 8-K?

Exicure disclosed that on September 8, 2025 it appointed Sangjn Yeo and Aejin Hwang to its Board of Directors and accepted the resignations of four directors: Ho Jung John, Chang Keun Choi, Sangwook Song, and Minwoo Kang.

Who are the new directors appointed to Exicure (XCUR)’s Board and what are their roles?

The company appointed Sangjn Yeo and Aejin Hwang as Class II directors with terms expiring at the 2025 annual meeting of stockholders. Both joined the audit committee, and Mr. Yeo was named Chairman of the audit committee.

Did Exicure (XCUR) indicate any disagreements behind the directors’ resignations?

No. Exicure stated that the resignations of Ho Jung John, Chang Keun Choi, Sangwook Song, and Minwoo Kang on September 8, 2025 did not result from any disagreement regarding the company’s operations, policies, or practices.

How many Board vacancies does Exicure (XCUR) have after these changes?

After the appointments of two new directors and the resignations of four directors, Exicure reported that there are four vacancies on its Board of Directors.

What compensation will the new Exicure (XCUR) directors receive?

For their Board service, each of the newly appointed directors will receive an annual retainer of $20,000. Exicure also plans to enter into its standard form of indemnification agreement with both individuals.

Are there any related-party transactions involving the new Exicure (XCUR) directors?

Exicure stated that, aside from the matters described, neither of the two newly appointed directors has any direct or indirect material interest in a transaction that would require disclosure under Item 404(a) of Regulation S-K.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 09/09/2025 - 04:19 PM Learn about SEC filing dates

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

____________________

FORM 8-K

____________________

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 8, 2025

____________________

Exicure, Inc.

(Exact Name of Registrant as Specified in its Charter)

____________________

Delaware			001-39011			81-5333008
(State or Other Jurisdiction of Incorporation)			(Commission File Number)			(IRS Employer Identification No.)

400 Seaport Court, Suite 102
Redwood City, CA						94063
(Address of Principal Executive Offices)						(Zip Code)

Registrant’s telephone number, including area code: (847) 673-1700

____________________

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading symbol(s)

Name of each exchange on which registered

Common Stock, par value $0.0001 per share

XCUR

The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Item 5.02    Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers

Election of Directors to the Board of Directors

On September 8, 2025, the Board of Directors (the “Board”) of Exicure, Inc. (the “Company”) appointed (i) Sangjn Yeo and (ii) Aejin Hwang to the Board to serve, until a successor has been duly elected and qualified or until an earlier death, resignation or removal. Each of Mr. Yeo and Ms. Hwang will serve as a Class II director for a term expiring at the Company’s 2025 annual meeting of stockholders. The Board also appointed these two directors to the audit committee of the Board, and appointed Mr. Yeo as the Chairman of the audit committee.

There are no family relationships between the two newly appointed directors and any director or executive officer of the Company.

For their services on the Board, the two newly appointed directors will receive an annual retainer of $20,000. The Company also intends to enter into the Company’s standard form of indemnification agreement with the two newly appointed directors.

Except as described above, neither of the two newly appointed directors has any direct or indirect material interest in any transaction required to be disclosed pursuant to Item 404(a) of Regulation S-K.

Resignation of Directors to the Board of Directors

On September 8, 2025, (i) Ho Jung John, (ii) Chang Keun Choi, (iii) Sangwook Song, and (iv) Minwoo Kang resigned from the Board of the Company, effective immediately as of such date. The resignations of all four of these Board members did not result from any disagreement regarding any matter related to the operations, policies or practices of the Company.

There are four vacancies on the Board after the elections and resignations noted above.

Item 9.01    Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.						Description
104						Cover Page Interactive Data File (Embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: September 9, 2025			EXICURE, INC.
			(registrant)
			By:			/s/ Andy Yoo
						Andy Yoo
						Chief Executive Officer