Who has been buying my theme stock?

8 distinct insiders have filed 83 disclosed insider purchases in my theme (216080), most recently on 2026-06-23. 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 my theme have?

my theme has 83 buy-side and 14 sell-side disclosures on record, covering ₩1.4B ($981K) in total reported value, spanning 2024-01-11 to 2026-06-23.

Where does StockDrifts get my theme 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.

my theme 216080

Company

제테마my theme

Insiders

Buys

Total Value

₩1.4B ($981K)

Avg Return

+10.70%

Last Filing

2026-06-23

my theme (216080) has 83 disclosed insider purchases and 14 disclosed disposals on record, filed by 8 distinct insiders. Together those filings cover ₩1.4B ($981K) in reported transaction value. The earliest filing StockDrifts holds for my theme is dated 2024-01-11; the most recent is 2026-06-23. 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 +10.70%, 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
2026-07-31	BUY	Market Buy	김형석 Hyungseok Kim	vice president	104	₩4,295	+1.9%	₩414K ($288)
2026-07-30	BUY	Market Buy	김형석 Hyungseok Kim	vice president	9.6K	₩4,185	+4.5%	₩40M ($28K)
2026-07-24	BUY	Market Buy	김형석 Hyungseok Kim	vice president	1.0K	₩4,200	+4.2%	₩4M ($3K)
2026-06-23	BUY	Market Buy	김형석 Hyungseok Kim	vice president	11.5K	₩4,515	+23.4%	₩52M ($36K)
2026-06-17	BUY	Market Buy	조상준 Cho Sang-jun	Managing Director	55	₩4,930	-6.1%	₩271K ($188)
2026-06-15	BUY	Market Buy	곽민정 Kwak Min-jeong	moving	100	₩4,970	-6.8%	₩497K ($345)
2026-06-15	BUY	Market Buy	곽민정 Kwak Min-jeong	moving	456	₩4,970	-6.8%	₩2M ($2K)
2026-06-12	BUY	Market Buy	곽민정 Kwak Min-jeong	moving	9.9K	₩4,855	-4.6%	₩48M ($33K)
2026-06-11	BUY	Market Buy	곽민정 Kwak Min-jeong	moving	4.6K	₩4,840	-4.3%	₩22M ($15K)
2026-06-10	BUY	Market Buy	곽민정 Kwak Min-jeong	moving	1.7K	₩4,695	-1.4%	₩8M ($6K)
2026-06-09	BUY	Market Buy	곽민정 Kwak Min-jeong	moving	100	₩4,825	-4.0%	₩483K ($335)
2026-06-08	BUY	Market Buy	곽민정 Kwak Min-jeong	moving	3.2K	₩4,800	-3.5%	₩15M ($11K)
2026-06-08	BUY	Market Buy	박재성 Jaeseong Park	Full-time auditor	7.0K	₩4,800	+16.0%	₩34M ($23K)
2026-06-05	BUY	Market Buy	박재성 Jaeseong Park	Full-time auditor	3.0K	₩5,020	+11.0%	₩15M ($10K)
2026-06-04	BUY	Market Buy	박재성 Jaeseong Park	Full-time auditor	10.0K	₩5,180	+7.5%	₩52M ($36K)
2026-04-24	BUY	Market Buy	박재성 Jaeseong Park	Full-time auditor	5.0K	₩7,200	-22.6%	₩36M ($25K)
2026-04-23	BUY	Market Buy	박재성 Jaeseong Park	Full-time auditor	5.0K	₩7,150	-22.1%	₩36M ($25K)
2026-04-21	BUY	주식매수청구권 행사	정하종 Jeong Ha-jong	Managing Director	8.0K	₩7,420	-30.2%	₩59M ($41K)
2026-04-16	BUY	Market Buy	박재성 Jaeseong Park	Full-time auditor	5.0K	₩7,360	-24.3%	₩37M ($26K)
2026-04-15	BUY	Market Buy	박재성 Jaeseong Park	Full-time auditor	5.0K	₩7,380	-24.5%	₩37M ($26K)
2026-04-01	BUY	신규선임	이신구 Lee Shin-gu	moving	6.2K	₩7,950	-6.7%	₩49M ($34K)
2026-04-01	BUY	신규선임	곽민정 Kwak Min-jeong	moving	247.4K	₩7,950	-6.7%	₩2.0B ($1.4M)
2026-03-31	SELL	임원퇴임	박종우 Jongwoo Park	Managing Director	-5.0K	₩7,480	+0.8%	₩37M ($26K)
2026-03-31	SELL	임원퇴임	윤범진 Beomjin Yoon	vice president	-240.0K	₩7,480	+0.8%	₩1.8B ($1.2M)
2026-03-19	BUY	Market Buy	조상준 Cho Sang-jun	Managing Director	132	₩8,520	-12.9%	₩1M ($781)
2026-03-04	BUY	Market Buy	박재성 Jaeseong Park	Full-time auditor	5.0K	₩8,070	+0.9%	₩40M ($28K)
2026-02-26	BUY	Market Buy	박재성 Jaeseong Park	Full-time auditor	6.0K	₩10,100	-19.4%	₩61M ($42K)
2026-02-25	BUY	Market Buy	박재성 Jaeseong Park	Full-time auditor	5.0K	₩10,200	-20.2%	₩51M ($35K)
2026-02-24	BUY	Market Buy	박재성 Jaeseong Park	Full-time auditor	2.0K	₩9,660	-15.7%	₩20M ($14K)
2026-02-20	BUY	Market Buy	박재성 Jaeseong Park	Full-time auditor	450	₩9,900	-17.8%	₩4M ($3K)
2026-02-19	BUY	Market Buy	박재성 Jaeseong Park	Full-time auditor	1.5K	₩10,200	-20.2%	₩15M ($11K)
2026-01-16	BUY	Market Buy	박재성 Jaeseong Park	Full-time auditor	1.0K	₩7,230	+12.6%	₩7M ($5K)
2026-01-14	SELL	Market Sell	박재성 Jaeseong Park	Full-time auditor	-1.0K	₩6,850	-18.8%	₩7M ($5K)
2026-01-06	BUY	Market Buy	김의수 Kim Eui-soo	Managing Director	7.0K	₩6,750	+20.6%	₩47M ($33K)
2026-01-02	BUY	Market Buy	김의수 Kim Eui-soo	Managing Director	4.8K	₩6,230	+30.7%	₩30M ($21K)
2025-12-31	BUY	Market Buy	김의수 Kim Eui-soo	Managing Director	3.2K	₩6,230	+30.7%	₩20M ($14K)
2025-12-18	BUY	Market Buy	조상준 Cho Sang-jun	Managing Director	49	₩5,710	+42.6%	₩280K ($194)
2025-12-17	BUY	Market Buy	박종우 Jongwoo Park	Managing Director	300	₩5,750	+41.6%	₩2M ($1K)
2025-12-02	SELL	Market Sell	윤범진 Beomjin Yoon	vice president	-10.0K	₩5,960	-36.6%	₩60M ($41K)
2025-11-25	BUY	Market Buy	박종우 Jongwoo Park	Managing Director	100	₩5,910	+37.7%	₩591K ($410)
2025-11-21	BUY	Market Buy	조상준 Cho Sang-jun	Managing Director	1	₩5,740	+41.8%	₩6K ($4)
2025-11-13	BUY	Market Buy	조상준 Cho Sang-jun	Managing Director	5	₩5,900	+38.0%	₩30K ($20)
2025-11-12	BUY	Market Buy	조상준 Cho Sang-jun	Managing Director	43	₩5,800	+40.3%	₩249K ($173)
2025-10-27	BUY	주식매수선택권	윤범진 Beomjin Yoon	vice president	10.0K	₩6,320	+28.8%	₩63M ($44K)
2025-10-27	BUY	주식매수선택권	정하종 Jeong Ha-jong	Managing Director	114.0K	₩6,320	+28.8%	₩720M ($500K)
2025-10-24	SELL	Market Sell	박재성 Jaeseong Park	Full-time auditor	-1.0K	₩5,870	-38.7%	₩6M ($4K)
2025-10-24	BUY	Market Buy	박종우 Jongwoo Park	Managing Director	100	₩5,870	+38.7%	₩587K ($408)
2025-10-22	BUY	Market Buy	김형석 Hyungseok Kim	vice president	10.0K	₩6,070	+34.1%	₩61M ($42K)
2025-10-22	BUY	Market Buy	박종우 Jongwoo Park	Managing Director	100	₩6,070	+34.1%	₩607K ($422)
2025-10-21	BUY	Market Buy	김형석 Hyungseok Kim	vice president	10.0K	₩6,050	+34.5%	₩61M ($42K)

Showing the 50 most recent of 135 filings.

Frequently asked questions

Who has been buying my theme stock?: 8 distinct insiders have filed 83 disclosed insider purchases in my theme (216080), most recently on 2026-06-23. 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 my theme have?: my theme has 83 buy-side and 14 sell-side disclosures on record, covering ₩1.4B ($981K) in total reported value, spanning 2024-01-11 to 2026-06-23.
Where does StockDrifts get my theme 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 my theme. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.