XCUR Exicure Inc

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Schedule 13D

Under the Securities Exchange Act of 1934

(Amendment No. 13)

EXICURE, INC.

(Name of Issuer)

Common Stock, par value $0.0001 per share

(Title of Class of Securities)

30205M200

(CUSIP Number)

Kyungwon Oh

Chief Executive Officer

CBI USA, Inc. and DGP Co., Ltd.

c/o Baker & Hostetler LLP

One North Wacker Drive, Suite 3700

Chicago, IL 60606-2841

Attention: Jonathan Park

(312) 416-6200

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

July 31, 2024

(Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §240.13d-1(e), §240.13d-1(f) or §240.13d-1(g), check the following box: ☐

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

SCHEDULE 13D

CUSIP No. 30205M200

CUSIP No. 30205M200

SCHEDULE 13D

This Amendment No. 13 (“Amendment No. 13”), being filed jointly by CBI USA, Inc. (“CBI USA”) and DGP Co., Ltd. (“DGP”, and together with CBI USA, the “Reporting Persons”), amends and supplements the Schedule 13D filed with the Securities and Exchange Commission (the “SEC”) on June 1, 2022 (the “Initial Schedule 13D” and together with Amendment No. 1 thereto filed with the SEC on October 31, 2022 (“Amendment No. 1”), Amendment No. 2 thereto filed with the SEC on December 5, 2022 (“Amendment No. 2”), Amendment No. 3 thereto filed with the SEC on December 19, 2022 (“Amendment No. 3”), Amendment No. 4 thereto filed with the SEC on January 23, 2023 (“Amendment No. 4”), Amendment No. 5 thereto filed with the SEC on February 13, 2023 (“Amendment No. 5”), Amendment No. 6 thereto filed with the SEC on March 3, 2023 (“Amendment No. 6”), Amendment No. 7 thereto filed with the SEC on May 1, 2023 (“Amendment No. 7”), Amendment No. 8 thereto filed with the SEC on May 17, 2023 (“Amendment No. 8”), Amendment No. 9 thereto filed with the SEC on June 28, 2023 (“Amendment No. 9”), Amendment No. 10 thereto filed with the SEC on August 8, 2023 (“Amendment No. 10”), Amendment No. 11 thereto filed with the SEC on March 4, 2024 (“Amendment No. 11”), and Amendment No. 12 thereto filed with the SEC on July 2, 2024 (“Amendment No. 12”), the “Schedule 13D”) by CBI USA, and, with respect to Amendment No. 9, Amendment No. 10, Amendment No. 11, and Amendment No. 12, DGP, with respect to the Common Stock, par value $0.0001 per share, of Exicure, Inc. (“Exicure” or the “Company”). This Amendment No. 13 amends Item 6 to the extent set forth below.

Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer

Item 6 is supplemented as follows:

On July 31, 2024, DGP and OverdigmK entered into an amendment of the DGP Sale Agreement, as amended, a translated copy of which is attached hereto as an Exhibit, pursuant to which the closing date for the balance of the DGP Sale was extended to September 30, 2024.

On the same day, DGP and OverdigmK entered into an assignment and waiver agreement, a translated copy of which is attached hereto as an Exhibit, pursuant to which the parties agreed that the DGP Sale Agreement may be terminated or assigned to a third party upon DGP’s request.

Item 7. Material to be Filed as Exhibits.

Item 7 is supplemented by adding the following exhibits:

SIGNATURES

After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned hereby certifies that the information set forth in this statement is true, complete and correct.

Date: August 5, 2024

Exhibit 1

Second Amendment

DGP CO., LTD. (the “Seller”) and OVERDIGMK CO., LTD. (the “Purchaser”) agree as follows:

In witness whereof, this Second Amendment is made in duplicate, signed and stamped by Seller and Purchaser, with a copy to each party.

2024. 07. 31.

Exhibit 2

Assignment and Waiver Agreement

OVERDIGMK CO., LTD. (the “Purchaser”) agrees to DGP CO., LTD. (the “Seller”) as follows:

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2024. 07. 31.