Who has been buying SoluM stock?

8 distinct insiders have filed 65 disclosed insider purchases in SoluM (248070), most recently on 2026-07-16. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.

How many insider filings does SoluM have?

SoluM has 65 buy-side and 35 sell-side disclosures on record, covering ₩40.6B ($28.2M) in total reported value, spanning 2022-01-03 to 2026-07-16.

Where does StockDrifts get SoluM insider data?

From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.

Do insider buys in Korean stocks predict returns?

Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

SoluM 248070

Company

솔루엠SoluM

Insiders

Buys

Total Value

₩40.6B ($28.2M)

Avg Return

+2.44%

Last Filing

2026-07-16

SoluM (248070) has 65 disclosed insider purchases and 35 disclosed disposals on record, filed by 8 distinct insiders. Together those filings cover ₩40.6B ($28.2M) in reported transaction value. The earliest filing StockDrifts holds for SoluM is dated 2022-01-03; the most recent is 2026-07-16. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea). Across these filings the average return since disclosure is +2.44%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2026-08-03	BUY	Market Buy	전성호 Seongho Jeon	CEO	21.2K	₩13,610	+5.3%	₩266M ($185K)
2026-07-31	BUY	Market Buy	전성호 Seongho Jeon	CEO	18.8K	₩13,550	+5.8%	₩233M ($161K)
2026-07-30	BUY	Market Buy	전성호 Seongho Jeon	CEO	20.0K	₩12,680	+13.0%	₩274M ($190K)
2026-07-16	BUY	Market Buy	전성호 Seongho Jeon	CEO	20.0K	₩14,810	+0.0%	₩282M ($196K)
2026-07-16	BUY	Market Buy	이성환 Seonghwan Lee	Managing Director	2.0K	₩14,810	-3.0%	₩28M ($20K)
2026-06-26	BUY	Market Buy	전성호 Seongho Jeon	CEO	10.0K	₩15,300	+2.0%	₩153M ($106K)
2026-06-25	BUY	Market Buy	전성호 Seongho Jeon	CEO	10.9K	₩15,820	-1.4%	₩173M ($120K)
2026-06-08	BUY	Market Buy	전성호 Seongho Jeon	CEO	10.9K	₩16,870	+12.2%	₩184M ($128K)
2026-06-05	BUY	Market Buy	전성호 Seongho Jeon	CEO	9.2K	₩17,750	+6.6%	₩163M ($113K)
2026-06-04	BUY	Market Buy	전성호 Seongho Jeon	CEO	20.0K	₩17,870	+5.9%	₩357M ($248K)
2026-05-31	SELL	임원퇴임	김재원 Jaewon Kim	Managing Director	-10.0K	₩19,210	+2.5%	₩192M ($133K)
2026-05-14	BUY	Market Buy	전성호 Seongho Jeon	CEO	11.0K	₩21,850	-10.2%	₩240M ($167K)
2026-04-30	BUY	Market Buy	전성호 Seongho Jeon	CEO	20.0K	-	-	-
2026-04-22	BUY	Market Buy	전성호 Seongho Jeon	CEO	3.3K	₩19,760	+0.5%	₩65M ($45K)
2026-04-21	BUY	Market Buy	전성호 Seongho Jeon	CEO	6.3K	₩19,520	+1.7%	₩123M ($86K)
2026-04-20	BUY	Market Buy	전성호 Seongho Jeon	CEO	11.8K	₩19,400	+2.4%	₩229M ($159K)
2026-04-17	BUY	Market Buy	전성호 Seongho Jeon	CEO	28.0K	₩19,450	+2.1%	₩545M ($379K)
2026-04-16	BUY	Market Buy	전성호 Seongho Jeon	CEO	527	₩19,690	+0.9%	₩10M ($7K)
2026-02-04	BUY	Market Buy	이성환 Seonghwan Lee	Managing Director	2.0K	₩16,250	+12.3%	₩33M ($23K)
2026-02-02	BUY	Market Buy	이창섭 Changseop Lee	Managing Director	2.0K	₩15,510	+17.7%	₩31M ($22K)
2026-01-21	BUY	Market Buy	전성호 Seongho Jeon	CEO	10.0K	₩15,230	+19.8%	₩152M ($106K)
2025-07-07	BUY	기타	전성호 Seongho Jeon	CEO	1.0M	₩16,930	+7.8%	₩17.7B ($12.3M)
2025-07-03	BUY	Market Buy	전세욱 Jeon Se-wook	Managing Director	6.2K	₩16,710	+9.2%	₩103M ($72K)
2025-07-02	BUY	Market Buy	전동욱 Jeon Dong-wook	Managing Director	6.3K	₩16,010	+14.0%	₩100M ($69K)
2025-07-01	BUY	Market Buy	오염호 polluted lake	Managing Director	2.0K	₩16,020	+13.9%	₩32M ($22K)
2025-07-01	BUY	Market Buy	김재원 Jaewon Kim	Managing Director	10.0K	₩16,020	+13.9%	₩160M ($111K)
2025-06-30	SELL	임원퇴임	구다완 Gudawan	Managing Director	-90.0K	₩15,900	-14.8%	₩1.4B ($994K)
2025-06-30	BUY	Market Buy	이성환 Seonghwan Lee	Managing Director	2.0K	₩15,900	+14.8%	₩32M ($22K)
2025-03-29	BUY	신규선임	이병국 Lee Byung-guk	Outside Director	1.3K	₩16,660	+9.5%	₩21M ($14K)
2025-03-14	SELL	임원퇴임	신정훈 Shin Jeong-hoon	Managing Director	-11.8K	₩17,750	-2.8%	₩210M ($146K)
2025-03-14	SELL	임원퇴임	송용근 Song Yong-geun	Managing Director	-39.2K	₩17,750	-2.8%	₩695M ($483K)
2025-01-01	BUY	신규선임	김한성 Hanseong Kim	Managing Director	7.0K	₩19,850	-8.1%	₩139M ($97K)
2025-01-01	BUY	신규선임	박민철 Park Min-cheol	Managing Director	13.9K	₩19,850	-8.1%	₩276M ($192K)
2024-09-04	BUY	Market Buy	전동욱 Jeon Dong-wook	Managing Director	19.5K	₩19,900	-8.3%	₩388M ($269K)
2024-09-04	BUY	Market Buy	전성호 Seongho Jeon	CEO	20.0K	₩19,900	-8.3%	₩398M ($276K)
2024-09-03	BUY	Market Buy	전성호 Seongho Jeon	CEO	10.0K	₩19,900	-8.3%	₩199M ($138K)
2024-09-03	BUY	Market Buy	전동욱 Jeon Dong-wook	Managing Director	10.0K	₩19,900	-8.3%	₩199M ($138K)
2024-09-02	BUY	Market Buy	전동욱 Jeon Dong-wook	Managing Director	2.0K	₩19,900	-8.3%	₩40M ($28K)
2024-09-02	BUY	Market Buy	전성호 Seongho Jeon	CEO	10.0K	₩19,900	-8.3%	₩199M ($138K)
2024-08-30	BUY	Market Buy	전성호 Seongho Jeon	CEO	10.0K	₩18,920	-3.5%	₩189M ($131K)
2024-08-30	BUY	Market Buy	전동욱 Jeon Dong-wook	Managing Director	10.0K	₩18,920	-3.5%	₩189M ($131K)
2024-08-29	BUY	Market Buy	전성호 Seongho Jeon	CEO	10.0K	₩18,780	-2.8%	₩188M ($130K)
2024-08-29	BUY	Market Buy	전동욱 Jeon Dong-wook	Managing Director	10.0K	₩18,780	-2.8%	₩188M ($130K)
2024-08-28	BUY	Market Buy	전성호 Seongho Jeon	CEO	10.0K	₩18,590	-1.8%	₩186M ($129K)
2024-08-27	BUY	Market Buy	전성호 Seongho Jeon	CEO	20.0K	₩18,480	-1.2%	₩370M ($257K)
2024-08-26	BUY	Market Buy	전성호 Seongho Jeon	CEO	10.0K	₩18,600	-1.9%	₩186M ($129K)
2024-08-08	BUY	Market Buy	이성환 Seonghwan Lee	Managing Director	2.0K	₩16,980	+7.5%	₩34M ($24K)
2024-02-26	SELL	Market Sell	국민연금공단 National Pension Service	-	-131.1K	₩28,200	+35.3%	₩3.7B ($2.6M)
2024-02-26	BUY	Market Buy	국민연금공단 National Pension Service	-	27.6K	₩28,200	-35.3%	₩777M ($540K)
2024-02-23	SELL	Market Sell	국민연금공단 National Pension Service	-	-80.7K	₩28,550	+36.1%	₩2.3B ($1.6M)

Showing the 50 most recent of 113 filings.

Frequently asked questions

Who has been buying SoluM stock?: 8 distinct insiders have filed 65 disclosed insider purchases in SoluM (248070), most recently on 2026-07-16. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.
How many insider filings does SoluM have?: SoluM has 65 buy-side and 35 sell-side disclosures on record, covering ₩40.6B ($28.2M) in total reported value, spanning 2022-01-03 to 2026-07-16.
Where does StockDrifts get SoluM insider data?: From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Source filings

Every trade listed above is disclosed in DART D001/D002 insider disclosures, filed with the Financial Supervisory Service (Korea). View the original DART filings for SoluM. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.