Who has been buying Tweem stock?

1 distinct insiders have filed 0 disclosed insider purchases in Tweem (290090), most recently on 2026-04-21. 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 Tweem have?

Tweem has 0 buy-side and 5 sell-side disclosures on record, covering ₩21M ($15K) in total reported value, spanning 2024-05-29 to 2026-04-21.

Where does StockDrifts get Tweem 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.

Tweem 290090

Company

트윔Tweem

Insiders

Buys

Total Value

₩21M ($15K)

Avg Return

+14.96%

Last Filing

2026-04-21

Tweem (290090) has 0 disclosed insider purchases and 5 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩21M ($15K) in reported transaction value. The earliest filing StockDrifts holds for Tweem is dated 2024-05-29; the most recent is 2026-04-21. 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 +14.96%, 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
2026-04-21	BUY	수증	김보철 Kim Bo-cheol	vice president	248.8K	₩7,070	-2.5%	₩1.8B ($1.2M)
2026-04-21	SELL	증여	정한섭 Jeong Han-seop	CEO	-248.8K	₩7,070	+2.5%	₩1.8B ($1.2M)
2025-06-25	BUY	수증	김보철 Kim Bo-cheol	vice president	62.2K	₩8,840	-22.4%	₩550M ($382K)
2025-06-25	SELL	증여	정한섭 Jeong Han-seop	CEO	-62.2K	₩8,840	+22.4%	₩550M ($382K)
2025-04-02	SELL	Market Sell	이봉섭 Lee Bong-seop	Managing Director	-800	₩7,240	+5.3%	₩6M ($4K)
2025-04-01	SELL	Market Sell	이봉섭 Lee Bong-seop	Managing Director	-30	₩7,050	+2.7%	₩212K ($147)
2025-03-04	SELL	Market Sell	이봉섭 Lee Bong-seop	Managing Director	-481	₩8,290	+17.3%	₩4M ($3K)
2025-02-28	SELL	Market Sell	이봉섭 Lee Bong-seop	Managing Director	-105	₩8,000	+14.3%	₩840K ($583)
2025-01-09	BUY	장외매수	정한섭 Jeong Han-seop	CEO	324.2K	₩7,800	-12.1%	₩2.5B ($1.8M)
2024-12-18	BUY	주식매수선택권	양형석 Hyungseok Yang	Managing Director	3.0K	₩7,700	-10.9%	₩23M ($16K)
2024-12-12	SELL	장외매도	헤르메스사모투자 Hermes Private Investment	-	-900.0K	₩7,600	+9.7%	₩6.8B ($4.8M)
2024-12-12	BUY	장외매수	정한섭 Jeong Han-seop	CEO	900.0K	₩7,600	-9.7%	₩6.8B ($4.8M)
2024-10-31	SELL	임원퇴임	김재현 Jaehyun Kim	Managing Director	-5.5K	₩8,530	+19.6%	₩47M ($33K)
2024-09-05	BUY	주식매수선택권	정동환 Donghwan Jeong	moving	2.0K	₩8,230	-16.6%	₩16M ($11K)
2024-09-05	BUY	주식매수선택권	김은열 Kim Eun-yeol	Managing Director	2.0K	₩8,230	-16.6%	₩16M ($11K)
2024-07-30	SELL	증여	김보철 Kim Bo-cheol	vice president	-3.7K	₩8,120	+15.5%	₩30M ($21K)
2024-06-15	SELL	임원퇴임	정해주 Jeong Hae-joo	CEO	-13.0K	₩10,320	+33.5%	₩134M ($93K)
2024-05-29	SELL	Market Sell	이봉섭 Lee Bong-seop	Managing Director	-1.0K	₩10,610	+35.3%	₩11M ($7K)

Frequently asked questions

Who has been buying Tweem stock?: 1 distinct insiders have filed 0 disclosed insider purchases in Tweem (290090), most recently on 2026-04-21. 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 Tweem have?: Tweem has 0 buy-side and 5 sell-side disclosures on record, covering ₩21M ($15K) in total reported value, spanning 2024-05-29 to 2026-04-21.
Where does StockDrifts get Tweem 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 Tweem. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.