Form 8-K EXICURE, INC. For: Jun 01

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June 1, 2026 3:30 PM EDT

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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): June 1, 2026

____________________

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)

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 o

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. o

Item 7.01 Regulation FD Disclosure.

On May 28, 2026, Exicure, Inc. (the “Company”) received a notification letter from the Listing Qualifications Department of The Nasdaq Stock Market LLC (“Nasdaq”) indicating that the Company was not in compliance with Nasdaq Listing Rule 5250(c)(1) due to the delayed filing of its Quarterly Report on Form 10-Q for the quarter ended March 31, 2026.

The delay was primarily due to additional time required following changes in the Company’s financial reporting personnel and related filing procedures.

The Company filed its Quarterly Report on Form 10-Q for the quarter ended March 31, 2026 with the Securities and Exchange Commission on May 29, 2026 and believes that it has regained compliance with Nasdaq Listing Rule 5250(c)(1).

The full text of the press release is furnished herewith as Exhibit 99.1 and incorporated herein by reference.

In accordance with General Instruction B.2 of Form 8-K, the information contained or incorporated by reference in this Item 7.01, including the press release furnished herewith as Exhibit 99.1, shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits.


Exhibit No.						Description
99.1						Press release dated June 1, 2026
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.