코아스템켐온 사업보고서 (2025.12)
VII. 주주에 관한 사항

1. 최대주주 및 특수관계인의 주식소유 현황

(기준일 : 2025년 12월 31일 ) (단위 : 주, %)

성 명	관 계	주식의종류	소유주식수 및 지분율	비고

기 초	기 말

주식수	지분율	주식수	지분율

김경숙	최대주주	보통주	3,483,320	10.60	3,431,025	6.49	장내 매도 및 유상증자 참여

양길안	임원	보통주	5,116	0.02	1,200,000	2.27	장내 매수 및 유상증자 참여

홍순복	최대주주의특수관계인	보통주	6,000	0.02	6,000	0.01	-

홍정식	최대주주의특수관계인	보통주	30,700	0.09	30,700	0.06	-

김병철	최대주주의특수관계인	보통주	34,200	0.10	63,414	0.12	유상증자 참여

권광순	임원	보통주	47,200	0.14	47,200	0.09	-

이태용	임원	보통주	20,000	0.06	20,000	0.04	-

김종일	임원	보통주	3,500	0.01	6,489	0.01	유상증자 참여

송시환	임원	보통주	291,981	0.89	311,981	0.59	유상증자 참여

홍정욱	최대주주의특수관계인	보통주	10,000	0.03	10,666	0.02	장내 매수

홍정인	최대주주의특수관계인	보통주	10,000	0.03	10,500	0.02	장내 매수

김혜연	최대주주의특수관계인	보통주	4,000	0.01	9,193	0.02	장내 매수 및 유상증자 참여

김우곤	최대주주의특수관계인	보통주	4,000	0.01	4,000	0.01	-

계	보통주	3,950,017	12.02	5,151,168	9.74	-

-	-	-	-	-	-

주) 당기 중 유상증자 실시로 인해 지분율 변동이 발생하였습니다.

2. 최대주주의 주요경력 및 개요

성명	직위	주요경력(최근 5년간)

김경숙	연구소 상임고문 (상근/등기)	한양대 의학과 학사/석사/박사(1984~2002)
한양대학교 류마티스관절염임상연구센터 연구교수(2018~2021)
중앙약사심의위원회 위원(2018~2022)
산업표준심의회 생명공학 기술심의회 위원(2019~2022) 코아스템 주식회사 대표이사(2003~2022) 코아스템켐온 주식회사 연구소 상임고문(2022~현재)

3. 주식의 분포(1)주식 소유현황

(기준일 : 2025년 12월 31일 ) (단위 : 주)

구분	주주명	소유주식수	지분율(%)	비고

5% 이상 주주	김경숙	3,431,025	6.49	최대주주

-	-	-	-

우리사주조합	-	-	-

(2) 소액주주 현황

## 소액주주현황

(기준일 : 2025년 12월 31일 ) (단위 : 주)

구 분	주주	소유주식	비 고

소액주주수	전체주주수	비율(%)	소액주식수	총발행주식수	비율(%)

소액주주	28,190	28,208	99.95	41,894,343	52,870,376	79.25	-

4. 주가 및 주식거래실적(코스닥)

일자	종가	대비	등락률	시가	고가	저가	거래량	거래대금

2025/12/30	1,848	119	6.88	1,705	1,864	1,685	736,340	1,300,812,033

2025/12/29	1,729	21	1.23	1,710	1,781	1,670	529,001	922,445,095

2025/12/26	1,708	-54	-3.06	1,780	1,780	1,670	703,133	1,199,114,910

2025/12/24	1,762	-21	-1.18	1,700	1,792	1,640	832,015	1,426,545,552

2025/12/23	1,783	-62	-3.36	1,847	1,877	1,720	815,830	1,443,666,610

2025/12/22	1,845	-45	-2.38	1,890	1,949	1,745	755,433	1,423,864,551

2025/12/19	1,890	-62	-3.18	1,950	1,960	1,890	635,160	1,214,645,422

2025/12/18	1,952	9	0.46	1,886	1,963	1,873	600,117	1,152,858,969

2025/12/17	1,943	-19	-0.97	1,958	1,963	1,905	478,101	922,682,834

2025/12/16	1,962	-3	-0.15	2,005	2,020	1,908	940,389	1,833,544,691

2025/12/15	1,965	72	3.80	1,893	1,965	1,855	1,252,268	2,398,066,913

2025/12/12	1,893	14	0.75	1,866	1,948	1,810	1,634,937	3,067,669,686

2025/12/11	1,879	110	6.22	1,820	1,940	1,743	3,974,091	7,359,929,751

2025/12/10	1,769	49	2.85	1,720	2,235	1,620	11,720,675	23,116,355,663

2025/12/09	1,720	-78	-4.34	1,779	1,843	1,670	1,247,754	2,155,831,858

2025/12/08	1,798	-100	-5.27	1,910	2,000	1,764	1,886,405	3,467,266,194

2025/12/05	1,898	368	24.05	1,530	1,934	1,495	4,702,577	8,389,551,465

2025/12/04	1,530	-51	-3.23	1,581	1,632	1,480	737,987	1,153,296,876

2025/12/03	1,581	57	3.74	1,529	1,590	1,450	1,014,317	1,574,663,511

2025/12/02	1,524	109	7.70	1,414	1,546	1,362	1,247,302	1,816,398,234

2025/12/01	1,415	-16	-1.12	1,451	1,605	1,400	2,044,588	3,076,097,744

2025/11/28	1,431	118	8.99	1,350	1,478	1,295	2,726,460	3,826,943,860

2025/11/27	1,313	135	11.46	1,185	1,340	1,185	2,988,856	3,852,370,660

2025/11/26	1,178	90	8.27	1,088	1,178	1,080	1,440,800	1,651,156,476

2025/11/25	1,088	-5	-0.46	1,090	1,134	1,071	1,000,872	1,097,041,392

2025/11/24	1,093	20	1.86	1,091	1,188	1,077	3,450,254	3,851,365,844

2025/11/21	1,073	13	1.23	1,027	1,102	1,026	2,339,715	2,521,959,550

2025/11/20	1,060	-300	-22.06	1,102	1,143	1,014	8,342,827	8,884,417,866

2025/11/19	1,360	26	1.95	1,335	1,370	1,306	347,649	466,643,872

2025/11/18	1,334	-26	-1.91	1,361	1,384	1,318	362,763	486,154,772

2025/11/17	1,360	-40	-2.86	1,430	1,430	1,348	352,694	482,424,594

2025/11/14	1,400	-77	-5.21	1,460	1,471	1,384	352,736	498,003,154

2025/11/13	1,477	-3	-0.20	1,486	1,498	1,440	256,342	375,199,007

2025/11/12	1,480	49	3.42	1,431	1,489	1,427	317,319	465,912,784

2025/11/11	1,431	-7	-0.49	1,439	1,500	1,387	293,343	418,848,239

2025/11/10	1,438	24	1.70	1,430	1,446	1,405	155,247	221,072,075

2025/11/07	1,414	-7	-0.49	1,429	1,460	1,383	358,893	505,329,698

2025/11/06	1,421	-19	-1.32	1,441	1,492	1,411	232,700	333,200,406

2025/11/05	1,440	-8	-0.55	1,450	1,506	1,392	370,558	529,270,003

2025/11/04	1,448	30	2.12	1,419	1,503	1,405	670,465	975,686,581

2025/11/03	1,418	-132	-8.52	1,573	1,595	1,409	1,169,141	1,719,763,847

2025/10/31	1,550	-18	-1.15	1,543	1,658	1,543	637,813	1,020,506,401

2025/10/30	1,568	-137	-8.04	1,683	1,692	1,568	773,915	1,233,408,598

2025/10/29	1,705	-107	-5.91	1,777	1,837	1,690	787,689	1,372,506,844

2025/10/28	1,812	8	0.44	1,804	1,887	1,754	784,321	1,438,959,495

2025/10/27	1,804	124	7.38	1,650	1,890	1,650	1,621,781	2,953,796,095

2025/10/24	1,680	-101	-5.67	1,782	1,817	1,591	846,082	1,414,488,060

2025/10/23	1,781	101	6.01	1,659	1,829	1,648	800,016	1,405,311,076

2025/10/22	1,680	32	1.94	1,648	1,680	1,611	319,810	528,212,801

2025/10/21	1,648	17	1.04	1,631	1,687	1,602	345,794	566,237,528

2025/10/20	1,631	52	3.29	1,580	1,642	1,541	368,812	591,406,088

2025/10/17	1,579	-100	-5.96	1,663	1,663	1,566	345,989	553,705,442

2025/10/16	1,679	64	3.96	1,643	1,703	1,603	412,446	674,727,680

2025/10/15	1,615	-53	-3.18	1,673	1,701	1,601	442,037	727,194,842

2025/10/14	1,668	21	1.28	1,647	1,770	1,632	619,692	1,054,851,847

2025/10/13	1,647	-33	-1.96	1,680	1,700	1,611	1,112,630	1,731,443,642

2025/10/10	1,680	-75	-4.27	1,755	1,780	1,676	224,365	381,393,397

2025/10/02	1,755	27	1.56	1,744	1,777	1,716	127,910	221,799,462

2025/10/01	1,728	1	0.06	1,728	1,758	1,706	120,692	208,073,873

2025/09/30	1,727	-28	-1.60	1,759	1,771	1,700	139,587	240,925,855

2025/09/29	1,755	-43	-2.39	1,800	1,834	1,741	148,813	264,221,183

2025/09/26	1,798	-32	-1.75	1,830	1,950	1,796	234,924	434,626,749

2025/09/25	1,830	45	2.52	1,820	1,859	1,766	115,926	211,349,154

2025/09/24	1,785	-33	-1.82	1,869	1,869	1,753	190,240	338,031,642

2025/09/23	1,818	-2	-0.11	1,821	1,900	1,800	238,920	436,672,743

2025/09/22	1,820	-95	-4.96	1,948	1,948	1,775	284,480	527,336,869

2025/09/19	1,915	-100	-4.96	2,045	2,045	1,915	415,395	812,766,130

2025/09/18	2,015	-20	-0.98	2,035	2,060	2,000	184,162	371,284,925

2025/09/17	2,035	0	0.00	2,100	2,300	2,010	536,276	1,121,786,924

2025/09/16	2,035	111	5.78	1,924	2,095	1,894	485,100	1,141,681,228

2025/09/15	1,924	-8	-0.44	1,932	1,958	1,898	169,319	382,435,655

2025/09/12	1,932	59	3.20	1,915	1,941	1,885	161,767	362,573,898

2025/09/11	1,873	-55	-2.88	1,928	1,984	1,873	270,037	605,561,890

2025/09/10	1,928	-17	-0.88	1,945	1,949	1,898	104,582	234,840,163

2025/09/09	1,945	21	1.11	1,928	1,962	1,907	104,558	235,684,180

2025/09/08	1,924	-8	-0.44	1,932	1,979	1,902	86,853	196,979,950

2025/09/05	1,932	4	0.22	1,928	1,949	1,898	67,108	150,072,485

2025/09/04	1,928	43	2.27	1,885	1,954	1,885	69,146	155,332,682

2025/09/03	1,885	34	1.85	1,873	1,907	1,834	78,200	171,251,660

2025/09/02	1,851	-64	-3.35	1,877	1,992	1,834	241,146	527,193,369

2025/09/01	1,915	-47	-2.40	1,962	1,984	1,907	98,571	223,396,535

2025/08/29	1,962	-39	-1.92	2,014	2,103	1,962	120,714	280,198,850

2025/08/28	2,001	17	0.86	1,984	2,155	1,958	400,265	972,228,807

2025/08/27	1,984	-154	-7.20	2,142	2,176	1,958	316,179	751,358,506

2025/08/26	2,138	197	10.13	1,890	2,163	1,890	497,647	1,180,908,192

2025/08/25	1,941	64	3.42	1,877	1,975	1,877	185,849	419,075,550

2025/08/22	1,877	-17	-0.90	1,894	1,937	1,868	136,024	300,489,107

2025/08/21	1,894	64	3.50	1,838	1,915	1,821	261,835	571,432,172

2025/08/20	1,830	64	3.63	1,714	2,069	1,710	1,259,586	2,794,055,216

2025/08/19	1,766	-602	-25.45	1,868	2,009	1,710	1,752,898	3,691,073,653

2025/08/18	2,368	-103	-4.15	2,471	2,471	2,351	155,715	429,092,423

2025/08/14	2,471	107	4.52	2,394	2,574	2,356	307,451	892,086,098

2025/08/13	2,364	72	3.17	2,300	2,420	2,300	223,175	615,643,772

2025/08/12	2,292	-29	-1.29	2,317	2,360	2,279	208,880	563,981,127

2025/08/11	2,321	-30	-1.27	2,351	2,411	2,300	148,995	409,646,459

2025/08/08	2,351	34	1.48	2,317	2,377	2,270	194,600	529,891,150

2025/08/07	2,317	25	1.12	2,292	2,339	2,253	143,708	384,638,035

2025/08/06	2,292	-34	-1.47	2,326	2,351	2,253	170,698	456,905,964

2025/08/05	2,326	-68	-2.86	2,377	2,420	2,309	337,952	927,241,485

2025/08/04	2,394	-39	-1.58	2,433	2,454	2,373	122,467	343,664,972

2025/08/01	2,433	-132	-5.17	2,569	2,569	2,415	221,468	636,423,424

2025/07/31	2,565	-9	-0.33	2,582	2,599	2,535	86,301	257,904,580

2025/07/30	2,574	17	0.67	2,557	2,604	2,552	97,087	291,692,460

2025/07/29	2,557	-42	-1.64	2,599	2,599	2,518	70,541	210,928,166

2025/07/28	2,599	-30	-1.14	2,642	2,770	2,535	170,225	519,624,502

2025/07/25	2,629	-60	-2.23	2,621	2,719	2,608	104,012	322,048,742

2025/07/24	2,689	-47	-1.72	2,736	2,770	2,659	133,100	420,482,900

2025/07/23	2,736	-43	-1.54	2,809	2,877	2,668	285,613	909,006,750

2025/07/22	2,779	-137	-4.69	2,822	2,916	2,734	1,113,994	3,389,175,607

2025/07/21	2,916	-47	-1.59	2,963	3,035	2,830	244,151	831,465,612

2025/07/18	2,963	-4	-0.14	2,958	3,010	2,911	228,823	790,809,160

2025/07/17	2,967	137	4.83	2,822	3,078	2,775	389,462	1,331,285,669

2025/07/16	2,830	0	0.00	2,809	2,877	2,736	260,348	857,766,321

2025/07/15	2,830	192	7.29	2,659	2,864	2,634	536,999	1,752,616,432

2025/07/14	2,638	-4	-0.16	2,642	2,779	2,629	220,791	696,229,464

2025/07/11	2,642	8	0.32	2,634	2,689	2,591	166,274	512,913,700

2025/07/10	2,634	77	3.01	2,561	2,758	2,561	467,288	1,461,881,415

2025/07/09	2,557	5	0.17	2,557	2,638	2,484	198,810	599,176,678

2025/07/08	2,552	89	3.65	2,445	2,561	2,415	91,622	269,564,936

2025/07/07	2,463	-47	-1.87	2,510	2,578	2,445	122,946	359,575,377

2025/07/04	2,510	-55	-2.17	2,565	2,608	2,492	183,897	544,440,249

2025/07/03	2,565	85	3.45	2,480	2,565	2,394	307,838	892,797,110

2025/07/02	2,480	201	8.82	2,283	2,642	2,270	1,404,693	4,123,569,026

2025/07/01	2,279	26	1.14	2,287	2,334	2,223	122,685	326,751,069