Insider Transactions Reported by 38 Insiders of EXICURE, INC.

Symbol: XCUR on Nasdaq
Location: Chicago, IL

Quick Takeaways

XCUR - EXICURE, INC. has 38 insiders with reported activity on this page.
Net insider value flow over the last year: -$11,579,059.
Recent transaction rows are available for direct filing-level review.

What Changed

Buy value: ; sell value: $11,579,058.
Net share flow: -2,167,718.

Why This Matters

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Official SEC Source

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to selling over the last 12 months. Net value: -$11,579,059.

Buys

Shares: 0

Insiders: 0

Sells

$11,579,059

Shares: 2,167,718

Insiders: 2

Net

-$11,579,059

Shares: -2,167,718

Insiders: -2

Window (months)	Sell shares	Buy $	Sell $	Net $
0-3	993,114	$0	$4,469,013	-$4,469,013
3-6	1,174,604	$0	$7,110,046	-$7,110,046
6-9	0	$0	$0	$0
9-12	0	$0	$0	$0

EXICURE, INC. executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Exicure HiTron Inc.	10%+ Owner	$7,195,261	-$7,804,737	-52%	Filing P/S	21 Jan 2026
Gates Frontier, LLC	10%+ Owner	$2,861,557			Mixed	21 Dec 2021
DGP Co., Ltd.	10%+ Owner	$2,547,669			Filing P/S	12 Sep 2024
CBI USA, Inc.	10%+ Owner	$462,339			Mixed	23 Jun 2023
Andy Yoo	Chief Restructuring Officer, Director	$220,998			Mixed	21 Nov 2024
David A. Giljohann	Chief Executive Officer, Director	$21,846			Mixed	15 Nov 2021
Douglas E. Feltner	Chief Medical Officer	$8,475			Mixed	15 Nov 2021
Josh Miller	Chief Accounting Officer	$1,228			Mixed	16 Feb 2026
SANGSANGIN INVESTMENT & SECURITIES CO., LTD.	10%+ Owner	$0	-$3,774,322	-100%	Mixed	08 Dec 2025
Andy Sassine	Director				Mixed	02 Jun 2021
Jeffrey L. Cleland	Director				Mixed	13 Jun 2022
Bali Muralidhar	Director				Mixed	13 Jun 2022
Elias D. Papadimas	Chief Financial Officer				Mixed	16 May 2022
Jiyoung Hwang	Director				Mixed	26 Apr 2023
Brian Bock	Chief Financial Officer				Mixed	13 May 2021
Matthias Schroff	Chief Executive Officer, Director				Mixed	16 May 2022
Sarah Longoria	Chief HR & Compliance Officer				Mixed	16 May 2022
Hyukku Lee	Director				Mixed	24 Feb 2023
Uh Kang Paul Sung	Director				Mixed	24 Feb 2023
Changil Ahn	Director				Mixed	24 Feb 2023
Bosun Hau	Director				Mixed	02 Jun 2021
Hojoon Lee	Director				Mixed	21 Aug 2023
Hyuk Joon Ko	Director				Mixed	21 Aug 2023
Minhee Eom	Director				Mixed	26 Sep 2023
Cheolho Jo	Director				Mixed	27 Feb 2023
Seung Soo Shin	Director				Mixed	27 Feb 2023
Jung Sang Kim	Chief Executive Officer, CFO, Director				Mixed	26 Apr 2023
Sangjin Yeo	Director				Mixed	08 Sep 2025
Elizabeth A. Garofalo	Director				Mixed	13 Jun 2022
Aejin Hwang	Director				Mixed	08 Sep 2025
Dongho Lee	Director				Mixed	21 Aug 2023
Seung Ik Baik	Director				Mixed	21 Nov 2024
Ho Jung John	Director				Mixed	19 Dec 2024
Chang Keun Choi	Director				Mixed	19 Dec 2024
Sang Wook Song	Director				Mixed	19 Dec 2024
Min Woo Kang	Director				Mixed	19 Dec 2024
James R. Sulat	Director				Mixed	13 Jun 2022
Timothy P. Walbert	Director				Mixed	02 Jun 2021

Top shareholders of EXICURE, INC. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Exicure HiTron Inc.	13D/G 3/4/5	10%+ Owner	25%	1,598,947	$9,577,693	-$1,547,618	21 Jan 2026	13D/G 3/4/5
Gates Frontier, LLC	3/4/5	10%+ Owner	— class O/S missing	5,064,703	$2,861,557	—	21 Dec 2021	3/4/5
DGP Co., Ltd.	3/4/5	10%+ Owner	— class O/S missing	849,223	$2,547,669	—	12 Sep 2024	3/4/5
CBI USA, Inc.	3/4/5	10%+ Owner	— class O/S missing	818,299	$462,339	—	23 Jun 2023	3/4/5
Carlyle Group Inc.	13F	Company	0.88%	56,328	$304,734	—	31 Dec 2025	13F
VANGUARD GROUP INC	13F	Company	0.66%	42,044	$227,879	—	31 Dec 2025	13F
Andy Yoo	3/4/5	Chief Restructuring Officer, Director	— class O/S missing	73,666	$220,998	—	21 Nov 2024	3/4/5
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.47%	29,768	$161,370	—	31 Dec 2025	13F
NORTHERN TRUST CORP	13F	Company	0.17%	10,686	$57,918	—	31 Dec 2025	13F
BlackRock, Inc.	13F	Company	0.07%	4,175	$22,628	—	31 Dec 2025	13F
David A. Giljohann	3/4/5	Chief Executive Officer, Director	— class O/S missing	38,666	$21,846	—	15 Nov 2021	3/4/5
MORGAN STANLEY	13F	Company	0.06%	3,565	$19,322	—	31 Dec 2025	13F
Douglas E. Feltner	3/4/5	Chief Medical Officer	— class O/S missing	15,000	$8,475	—	15 Nov 2021	3/4/5
UBS Group AG	13F	Company	0.02%	1,449	$7,854	—	31 Dec 2025	13F
Josh Miller	3/4/5	Chief Accounting Officer	0%	301	$1,228	—	16 Feb 2026	3/4/5
Tower Research Capital LLC (TRC)	13F	Company	0%	103	$558	—	31 Dec 2025	13F
SBI Securities Co., Ltd.	13F	Company	0%	43	$233	—	31 Dec 2025	13F
BANK OF AMERICA CORP /DE/	13F	Company	0%	39	$211	—	31 Dec 2025	13F
OSAIC HOLDINGS, INC.	13F	Company	0%	29	$157	—	31 Dec 2025	13F
Prestige Wealth Management Group LLC	13F	Company	0%	20	$109	—	31 Dec 2025	13F
BNP PARIBAS FINANCIAL MARKETS	13F	Company	0%	4	$22	—	31 Dec 2025	13F
JPMORGAN CHASE & CO	13F	Company	0%	2	$11	—	31 Dec 2025	13F
CITIGROUP INC	13F	Company	0%	1	$5	—	31 Dec 2025	13F
Matthias Schroff	3/4/5	Chief Executive Officer, Director	— class O/S missing	2,324,550	—	—	16 May 2022	3/4/5
Brian Bock	3/4/5	Chief Financial Officer	— class O/S missing	600,000	—	—	13 May 2021	3/4/5
Elias D. Papadimas	3/4/5	Chief Financial Officer	— class O/S missing	424,000	—	—	16 May 2022	3/4/5
Sarah Longoria	3/4/5	Chief HR & Compliance Officer	— class O/S missing	180,750	—	—	16 May 2022	3/4/5
Andy Sassine	3/4/5	Director	— class O/S missing	50,000	—	—	02 Jun 2021	3/4/5
Bali Muralidhar	3/4/5	Director	— class O/S missing	50,000	—	—	13 Jun 2022	3/4/5
Bosun Hau	3/4/5	Director	— class O/S missing	50,000	—	—	02 Jun 2021	3/4/5
Elizabeth A. Garofalo	3/4/5	Director	— class O/S missing	50,000	—	—	13 Jun 2022	3/4/5
James R. Sulat	3/4/5	Director	— class O/S missing	50,000	—	—	13 Jun 2022	3/4/5
Jeffrey L. Cleland	3/4/5	Director	— class O/S missing	50,000	—	—	13 Jun 2022	3/4/5
Timothy P. Walbert	3/4/5	Director	— class O/S missing	50,000	—	—	02 Jun 2021	3/4/5
Jiyoung Hwang	3/4/5	Director	— class O/S missing	10,000	—	—	26 Apr 2023	3/4/5

Recent Insider Transactions by Companies or Individuals for EXICURE, INC.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
Josh Miller	XCUR	Common Stock	Tax liability	-2.59%			-8	301	16 Feb 2026	Direct
Exicure HiTron Inc.	XCUR	Common Stock	Sale	-13.9%	$1,162,652	$4.50	-258,367	1,598,947	21 Jan 2026	Direct
Exicure HiTron Inc.	XCUR	Common	Sale	-28.4%	$3,306,362	$4.50	-734,747	1,857,314	16 Jan 2026	Direct
Exicure HiTron Inc.	XCUR	Common	Sale	-22.2%	$3,335,724	$4.50	-741,272	2,592,061	07 Jan 2026	Direct
Sangsangin Investment & Securities Co., Ltd.	XCUR	Common Stock	Sale	-100%	$3,774,322	$8.71	-433,332	0	08 Dec 2025	Direct
Josh Miller	XCUR	Common Stock	Tax liability	-2.22%			-7	309	16 Nov 2025	Direct
Josh Miller	XCUR	Common Stock	Tax liability	-2.77%			-9	316	16 Aug 2025	Direct
Josh Miller	XCUR	Common Stock	Tax liability	-2.4%			-8	325	16 May 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.