SANGSANGIN INVESTMENT & SECURITIES CO., LTD.

13D and 13G Filings

Issuer	Symbol	CUSIP	% of Class	Shares	Form	Filed
Schedule 13G · 1 security · passive
Exicure, Inc. 13G/A XCUR · 30205M309	XCUR	30205M309	0%	0	13G/A	12/10/2025 Event 12/8/2025
Sangsangin Investment & Securities Co., Ltd.			0%	0
Sangsangin Co., Ltd.			0%	0
Jun Won Yoo			0%	0

Includes filings since 12/18/2024, when the SEC began requiring structured 13D and 13G data.