Who has been buying Seoul Evaluation Information stock?

7 distinct insiders have filed 23 disclosed insider purchases in Seoul Evaluation Information (036120), most recently on 2026-03-05. 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 Seoul Evaluation Information have?

Seoul Evaluation Information has 23 buy-side and 2 sell-side disclosures on record, covering ₩894M ($621K) in total reported value, spanning 2019-05-03 to 2026-03-05.

Where does StockDrifts get Seoul Evaluation Information 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.

Seoul Evaluation Information 036120

Company

서울평가정보Seoul Evaluation Information

Insiders

Buys

Total Value

₩894M ($621K)

Avg Return

-14.72%

Last Filing

2026-03-05

Seoul Evaluation Information (036120) has 23 disclosed insider purchases and 2 disclosed disposals on record, filed by 7 distinct insiders. Together those filings cover ₩894M ($621K) in reported transaction value. The earliest filing StockDrifts holds for Seoul Evaluation Information is dated 2019-05-03; the most recent is 2026-03-05. 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 -14.72%, 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
2026-03-05	SELL	Market Sell	문재우 Jaewoo Moon	Chairman	-2.0K	₩2,130	-0.2%	₩4M ($3K)
2026-02-09	SELL	Market Sell	문재우 Jaewoo Moon	Chairman	-6.0K	₩1,960	-8.9%	₩12M ($8K)
2025-07-18	BUY	Market Buy	박중양 Park Jung-yang	Other non-executive directors	110	₩2,435	-13.1%	₩268K ($186)
2025-01-03	BUY	Market Buy	박중양 Park Jung-yang	Other non-executive directors	30.2K	₩2,380	-11.1%	₩72M ($50K)
2025-01-03	BUY	Market Buy	임동훈 Lim Dong-hoon	-	5.0K	₩2,380	-11.1%	₩12M ($8K)
2024-12-30	BUY	Market Buy	문재우 Jaewoo Moon	Chairman	2.5K	₩2,450	-13.7%	₩6M ($4K)
2024-12-27	BUY	Market Buy	문재우 Jaewoo Moon	Chairman	5.0K	₩2,415	-12.4%	₩12M ($8K)
2024-12-26	BUY	Market Buy	문재우 Jaewoo Moon	Chairman	4.6K	₩2,320	-8.8%	₩11M ($7K)
2024-12-26	BUY	Market Buy	고인묵 Go In-muk	president	3.0K	₩2,320	-8.8%	₩7M ($5K)
2024-12-26	BUY	Market Buy	임동훈 Lim Dong-hoon	-	5.0K	₩2,320	-8.8%	₩12M ($8K)
2024-12-24	BUY	Market Buy	고인묵 Go In-muk	president	4.0K	₩2,310	-8.4%	₩9M ($6K)
2024-12-23	BUY	Market Buy	고인묵 Go In-muk	president	3.0K	₩2,275	-7.0%	₩7M ($5K)
2024-07-11	BUY	수증	박정호 Park Jeong-ho	-	270.0K	₩2,155	-1.9%	₩582M ($404K)
2024-07-11	SELL	증여	박중양 Park Jung-yang	Other non-executive directors	-270.0K	₩2,155	+1.9%	₩582M ($404K)
2024-05-30	BUY	Market Buy	박중양 Park Jung-yang	Other non-executive directors	32.3K	₩2,620	-19.3%	₩85M ($59K)
2024-05-29	BUY	Market Buy	박중양 Park Jung-yang	Other non-executive directors	63.7K	₩2,610	-19.0%	₩166M ($115K)
2024-05-28	BUY	Market Buy	박중양 Park Jung-yang	Other non-executive directors	4.5K	₩2,635	-19.7%	₩12M ($8K)
2024-05-28	SELL	증여	박중양 Park Jung-yang	Other non-executive directors	-480.0K	₩2,635	+19.7%	₩1.3B ($878K)
2024-05-28	BUY	수증	박정호 Park Jeong-ho	-	480.0K	₩2,635	-19.7%	₩1.3B ($878K)
2024-05-28	BUY	Market Buy	박영수 Park Young-soo	CEO	420	₩2,635	-19.7%	₩1M ($769)
2024-05-27	BUY	Market Buy	박중양 Park Jung-yang	Other non-executive directors	28.2K	₩2,610	-19.0%	₩74M ($51K)
2024-05-27	BUY	Market Buy	박영수 Park Young-soo	CEO	30.2K	₩2,610	-19.0%	₩79M ($55K)
2024-05-24	BUY	Market Buy	박영수 Park Young-soo	CEO	7.4K	₩2,590	-18.3%	₩19M ($13K)
2024-05-24	BUY	Market Buy	박중양 Park Jung-yang	Other non-executive directors	50.6K	₩2,590	-18.3%	₩131M ($91K)
2024-05-24	BUY	Market Buy	임동훈 Lim Dong-hoon	CEO	2.5K	₩2,590	-18.3%	₩6M ($4K)
2024-04-09	SELL	장외매도	진원홀딩스컴퍼니 Jinwon Holdings Company	-	-1.1M	₩2,880	+26.6%	₩3.2B ($2.2M)
2024-04-09	SELL	장외매도	진원홀딩스컴퍼니 Jinwon Holdings Company	-	-1.5M	₩2,880	+26.6%	₩4.3B ($3.0M)
2024-04-08	BUY	장외매수	제이원홀딩스 J1 Holdings	-	1.5M	₩2,865	-26.2%	₩4.3B ($3.0M)
2024-04-08	BUY	장외매수	제이피어반디 Jaypier Bandi	-	1.1M	₩2,865	-26.2%	₩3.2B ($2.2M)
2021-10-12	BUY	Market Buy	김중근 Kim Jung-geun	president	9.4K	-	-	-
2020-06-30	BUY	Market Buy	강진수 Jinsu Kang	Division representative	25	₩4,395	-51.9%	₩110K ($76)
2020-04-23	BUY	Market Buy	강진수 Jinsu Kang	Division representative	200	₩2,520	-16.1%	₩504K ($350)
2020-04-17	BUY	Market Buy	강진수 Jinsu Kang	Division representative	200	₩2,300	-8.0%	₩460K ($319)
2019-05-03	BUY	Market Buy	박정호 Park Jeong-ho	-	67.6K	₩2,315	-8.6%	₩157M ($109K)

Frequently asked questions

Who has been buying Seoul Evaluation Information stock?: 7 distinct insiders have filed 23 disclosed insider purchases in Seoul Evaluation Information (036120), most recently on 2026-03-05. 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 Seoul Evaluation Information have?: Seoul Evaluation Information has 23 buy-side and 2 sell-side disclosures on record, covering ₩894M ($621K) in total reported value, spanning 2019-05-03 to 2026-03-05.
Where does StockDrifts get Seoul Evaluation Information 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 Seoul Evaluation Information. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.