Who has been buying Hanul Semiconductor stock?

2 distinct insiders have filed 2 disclosed insider purchases in Hanul Semiconductor (320000), most recently on 2026-05-30. 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 Hanul Semiconductor have?

Hanul Semiconductor has 2 buy-side and 0 sell-side disclosures on record, covering ₩108M ($75K) in total reported value, spanning 2024-06-27 to 2026-05-30.

Do insider buys in Korean stocks predict returns?

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

Hanul Semiconductor 320000

Company

한울반도체Hanul Semiconductor

Insiders

Buys

Total Value

₩108M ($75K)

Avg Return

-5.56%

Last Filing

2026-05-30

Hanul Semiconductor (320000) has 2 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩108M ($75K) in reported transaction value. The earliest filing StockDrifts holds for Hanul Semiconductor is dated 2024-06-27; the most recent is 2026-05-30. Across these filings the average return since disclosure is -5.56%, 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
2026-05-30	SELL	행사가액조정	한울소재과학 Hanul Material Science	-	-66.0K	₩10,110	-8.7%	₩667M ($463K)
2026-05-27	BUY	Market Buy	김기원 Kim Hee-won	vice president	4.5K	₩12,590	-5.6%	₩57M ($39K)
2026-05-27	BUY	Market Buy	김백산 Baeksan Kim	CEO	4.0K	₩12,590	-5.6%	₩51M ($35K)
2026-04-30	BUY	행사가액조정	한울소재과학 Hanul Material Science	-	21.6K	-	-	-
2026-04-17	SELL	주식병합	한울소재과학 Hanul Material Science	-	-5.7M	₩1,533	+0.0%	₩8.8B ($6.1M)
2026-04-17	SELL	주식병합	한울소재과학 Hanul Material Science	-	-961.5K	₩1,533	+0.0%	₩1.5B ($1.0M)
2026-03-30	BUY	행사가액조정	한울소재과학 Hanul Material Science	-	188.8K	₩1,531	+0.1%	₩289M ($201K)
2026-02-28	SELL	행사가액조정	한울소재과학 Hanul Material Science	-	-17.8K	-	-	-
2026-01-30	BUY	행사가액조정	한울소재과학 Hanul Material Science	-	51.0K	₩1,891	+8.9%	₩96M ($67K)
2025-12-30	BUY	기타	한울소재과학 Hanul Material Science	-	979.9K	₩2,120	-2.8%	₩2.1B ($1.4M)
2024-06-27	BUY	제3자배정유상증자	한울소재과학 Hanul Material Science	-	7.2M	₩4,640	-55.6%	₩33.2B ($23.0M)

Frequently asked questions

Who has been buying Hanul Semiconductor stock?: 2 distinct insiders have filed 2 disclosed insider purchases in Hanul Semiconductor (320000), most recently on 2026-05-30. 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 Hanul Semiconductor have?: Hanul Semiconductor has 2 buy-side and 0 sell-side disclosures on record, covering ₩108M ($75K) in total reported value, spanning 2024-06-27 to 2026-05-30.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.