United States Biotechnology & Medical Research

Exicure Inc (XCUR)

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Exicure Inc. experienced significant insider selling activity between December 2025 and January 2026. Exicure HiTron Inc. executed multiple sell transactions during this period, disposing of over 1.7 million shares. Additionally, SANGSANGIN INVESTMENT & SECURITIES CO., LTD. sold shares in early December 2025. No insider buying has been reported in the last three months.
Ticker: XCUR Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Trades
Sale 21 Jan 2026
Value US$1,022,037.95 | Price 295.22 | Shares 98,167 (+15.2%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-01-21 2026-01-21 S Sale
Exicure HiTron Inc.
Large shareholder
98,167 +15.2%
295.22
US$1,022,038 		98,167 +15.2% 295.22 US$1,022,038
2026-01-20 2026-01-16 S Sale
Exicure HiTron Inc.
Large shareholder
61,830 -17.8%
193.76
US$406,497 		61,830 -17.8% 193.76 US$406,497
2026-01-08 2026-01-07 S Sale
Exicure HiTron Inc.
Large shareholder
1,757 -32.3%
363.82
US$2,318,742 		1,757 -32.3% 363.82 US$2,318,742
2025-12-10 2025-12-08 S Sale
SANGSANGIN INVESTMENT & SECURITIES CO., LTD.
Large shareholder
433,332 -100.0%
8.71
US$3,774,322 		433,332 -100.0% 8.71 US$3,774,322
2025-03-26 2024-12-26 B Purchase
HiTron Systems Inc.
Large shareholder
2,900,000 +669.2%
3.00
US$8,700,000 		2,900,000 +669.2% 3.00 US$8,700,000
2024-09-16 2024-09-12 B Purchase
DGP Co., Ltd.
Large shareholder
237,223 +38.8%
3.00
US$711,669 		237,223 +38.8% 3.00 US$711,669
2024-03-04 2024-02-29 S Sale
DGP Co., Ltd.
Large shareholder
3,400,000 -100.0%
1.32
US$4,488,000 		3,400,000 -100.0% 1.32 US$4,488,000
2022-12-19 2022-12-15 B Purchase
CBI USA, Inc.
Large shareholder
3,400,000 +415.5%
1.60
US$5,440,000 		3,400,000 +415.5% 1.60 US$5,440,000
2022-05-19 2022-05-19 B Purchase
1.5
Muralidhar Bali
Non-Executive Director
1,472,126 +21.1%
0.19
US$285,151 		1,472,126 +21.1% 0.19 US$285,151
2021-12-22 2021-12-21 S Sale
3.2
Gates Frontier, LLC
Large shareholder
1,268,619 -20.0%
0.24
US$303,200 		1,268,619 -20.0% 0.24 US$303,200
2020-06-16 2020-06-12 S Sale
3.4
Mirkin Chad A.
Non-Executive Director Large shareholder
10,195 -0.1%
2.83
US$28,852 		10,195 -0.1% 2.83 US$28,852
2020-06-16 2020-06-12 S Sale
3.3
AURASENSE LLC
Large shareholder
10,195 -0.1%
2.83
US$28,852 		10,195 -0.1% 2.83 US$28,852
2020-03-16 2020-03-13 B Purchase
3.7
WALT DAVID R
Non-Executive Director
291,066 +16.5%
1.21
US$352,859 		291,066 +16.5% 1.21 US$352,859
2020-03-16 2020-03-12 B Purchase
3.4
SNYDER DAVID S

Chief Financial Officer

Officer
18,248 +inf%
1.40
US$25,591 		18,248 +inf% 1.40 US$25,591
2020-03-16 2020-03-12 B Purchase
3.4
Mirkin Chad A.
Non-Executive Director Large shareholder
15,000 +inf%
1.45
US$21,750 		15,000 +inf% 1.45 US$21,750
2019-12-23 2019-12-19 B Purchase Muralidhar Bali Non-Executive Director
727,000 +11.6%
2.75
US$1,999,250 		727,000 +11.6% 2.75 US$1,999,250
2019-08-06 2019-08-02 B Purchase Mirkin Chad A. Non-Executive Director Large shareholder
25,000 +inf%
2.00
US$50,000 		25,000 +inf% 2.00 US$50,000
2019-08-06 2019-08-02 B Purchase
3.5
Venkatesan Jay
Non-Executive Director
250,000 +478.6%
2.00
US$500,000 		250,000 +478.6% 2.00 US$500,000
2019-08-06 2019-08-02 B Purchase
3.7
WALT DAVID R
Non-Executive Director
1,000,000 +130.3%
2.00
US$2,000,000 		1,000,000 +130.3% 2.00 US$2,000,000
2019-03-22 2019-03-22 B Purchase
3.4
Mirkin Chad A.
Large shareholder
500 +1.9%
2.30
US$1,150 		500 +1.9% 2.30 US$1,150
2019-03-21 2019-03-21 B Purchase
3.4
Mirkin Chad A.
Large shareholder
1,000 +3.9%
2.43
US$2,430 		1,000 +3.9% 2.43 US$2,430
2019-03-19 2019-03-19 B Purchase
3.4
Giljohann David A

Chief Executive Officer

Executive Director
7,000 +42.0%
2.40
US$16,800 		7,000 +42.0% 2.40 US$16,800
2019-03-18 2019-03-18 B Purchase
3.4
Mirkin Chad A.
Large shareholder
1,000 +4.0%
2.40
US$2,400 		1,000 +4.0% 2.40 US$2,400
2019-03-14 2019-03-13 B Purchase
3.4
Mirkin Chad A.
Non-Executive Director Large shareholder
2,200 +9.7%
2.50
US$5,500 		2,200 +9.7% 2.50 US$5,500
2017-09-28 2017-09-26 B Purchase
3.7
WALT DAVID R
268,333 +53.7%
3.00
US$804,999 		268,333 +53.7% 3.00 US$804,999
2017-09-28 2017-09-26 B Purchase Tompkins Mark N.
166,667 +10.0%
3.00
US$500,001 		166,667 +10.0% 3.00 US$500,001
2017-09-28 2017-09-26 B Purchase
3.5
Venkatesan Jay
66,666 +73.9%
3.00
US$199,998 		66,666 +73.9% 3.00 US$199,998
2017-09-28 2017-09-26 B Purchase
3.4
Giljohann David A

Chief Executive Officer

Executive Director
16,666 +inf%
3.00
US$49,998 		16,666 +inf% 3.00 US$49,998
2017-06-19 2017-06-15 B Purchase Tompkins Mark N. Large shareholder
35,000 +3.6%
0.03
US$875 		35,000 +3.6% 0.03 US$875
2017-06-19 2017-06-15 S Sale Jacobs Ian Seth

President, Secretary, CEO, CFO

Executive Director
35,000 -35.0%
0.03
US$875 		35,000 -35.0% 0.03 US$875
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