SANGSANGIN INVESTMENT & SECURITIES CO., LTD. - 08 Dec 2025 Form 4 Insider Report for EXICURE, INC. (XCUR)

Role
10%+ Owner
Signature
Sangsangin Investment & Securities Co., Ltd. By: /s/ Won Ju Title: Chief Executive Officer
Issuer symbol
XCUR
Transactions as of
08 Dec 2025
Net transactions value
-$3,774,322
Form type
4
Filing time
10 Dec 2025, 20:51:19 UTC
Previous filing
23 Dec 2024
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
SANGSANGIN INVESTMENT & SECURITIES CO., LTD. 10%+ Owner 22F, PARC.1, 108, YEOUI-DAERO, YEONGDEUNGPO-GU, SEOUL, KOREA, REPUBLIC OF Sangsangin Investment & Securities Co., Ltd. By: /s/ Won Ju Title: Chief Executive Officer 10 Dec 2025 0002049712

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction XCUR Common Stock Sale $3,774,322 -433,332 -100% $8.71 0 08 Dec 2025 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Sangsangin Co., Ltd., a corporation formed under the laws of the Republic of Korea, as the majority shareholder of the Reporting Person, may be deemed to beneficially own the shares reported by the Reporting Person hereunder. Mr. Jun Won Yoo, as the chief executive officer of Sangsangin Co., Ltd., may be deemed to beneficially own the shares beneficially owned by Sangsangin Co., Ltd.
F2 The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein. The filing of this Form 4 shall not be deemed an admission that the Reporting Person is, for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, the beneficial owner of any securities of the Issuer it does not directly own.