Who has been buying Asterasis stock?

0 distinct insiders have filed 0 disclosed insider purchases in Asterasis (450950), most recently on 2026-02-09. 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 Asterasis have?

Asterasis has 0 buy-side and 0 sell-side disclosures on record, spanning 2025-01-24 to 2026-02-09.

Where does StockDrifts get Asterasis 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.

Asterasis 450950

Company

아스테라시스Asterasis

Insiders

Buys

Total Value

—

Avg Return

—

Last Filing

2026-02-09

Asterasis (450950) has 0 disclosed insider purchases and 0 disclosed disposals on record, filed by 0 distinct insiders. The earliest filing StockDrifts holds for Asterasis is dated 2025-01-24; the most recent is 2026-02-09. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea).

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2026-02-09	BUY	주식매수선택권	김종석 Kim Jong-seok	vice president	15.0K	₩13,920	-1.1%	₩209M ($145K)
2026-02-09	BUY	주식매수선택권	김승현 Seunghyeon Kim	moving	15.0K	₩13,920	-1.1%	₩209M ($145K)
2026-01-30	BUY	기타	정오진 noonjin	Managing Director	5.0K	₩14,330	-4.0%	₩72M ($50K)
2025-11-30	SELL	임원퇴임	이범수 Beomsu Lee	Managing Director	-107.5K	₩13,590	-1.3%	₩1.5B ($1.0M)
2025-09-16	BUY	주식매수선택권	김승현 Seunghyeon Kim	moving	15.0K	₩12,180	+13.0%	₩183M ($127K)
2025-09-16	BUY	주식매수선택권	김종석 Kim Jong-seok	vice president	80.0K	₩12,180	+13.0%	₩974M ($677K)
2025-08-05	BUY	주식매수선택권	이범수 Beomsu Lee	Managing Director	67.5K	₩10,170	+35.3%	₩686M ($477K)
2025-08-05	BUY	주식매수선택권	정오진 noonjin	Managing Director	150.0K	₩10,170	+35.3%	₩1.5B ($1.1M)
2025-08-05	BUY	주식매수선택권	하철호 Ha Cheol-ho	moving	20.0K	₩10,170	+35.3%	₩203M ($141K)
2025-08-05	BUY	주식매수선택권	이인호 Inho Lee	vice president	304.9K	₩10,170	+35.3%	₩3.1B ($2.2M)
2025-08-05	BUY	주식매수선택권	안종구 Ahn Jong-gu	Managing Director	145.0K	₩10,170	+35.3%	₩1.5B ($1.0M)
2025-03-18	BUY	신규선임	곽영희 Younghee Kwak	moving	32.0K	₩8,990	+53.1%	₩288M ($200K)
2025-01-24	BUY	PROGRAM	서은택 Seo Eun-taek	CEO	12.9M	₩6,640	+107.2%	₩86.0B ($59.7M)
2025-01-24	BUY	PROGRAM	이인호 Inho Lee	vice president	1.1M	₩6,640	+107.2%	₩7.6B ($5.3M)
2025-01-24	BUY	PROGRAM	안종구 Ahn Jong-gu	Managing Director	275.0K	₩6,640	+107.2%	₩1.8B ($1.3M)
2025-01-24	BUY	PROGRAM	하철호 Ha Cheol-ho	moving	15.0K	₩6,640	+107.2%	₩100M ($69K)
2025-01-24	BUY	PROGRAM	김승현 Seunghyeon Kim	moving	50.0K	₩6,640	+107.2%	₩332M ($231K)
2025-01-24	BUY	PROGRAM	김종석 Kim Jong-seok	vice president	2.3M	₩6,640	+107.2%	₩15.4B ($10.7M)
2025-01-24	BUY	PROGRAM	이범수 Beomsu Lee	Managing Director	40.0K	₩6,640	+107.2%	₩266M ($184K)

Frequently asked questions

Who has been buying Asterasis stock?: 0 distinct insiders have filed 0 disclosed insider purchases in Asterasis (450950), most recently on 2026-02-09. 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 Asterasis have?: Asterasis has 0 buy-side and 0 sell-side disclosures on record, spanning 2025-01-24 to 2026-02-09.
Where does StockDrifts get Asterasis 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 Asterasis. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.