Who has been buying Hanmi Semiconductor stock?

1 distinct insiders have filed 14 disclosed insider purchases in Hanmi Semiconductor (042700), most recently on 2026-06-18. 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 Hanmi Semiconductor have?

Hanmi Semiconductor has 14 buy-side and 0 sell-side disclosures on record, covering ₩38.9B ($27.0M) in total reported value, spanning 2024-02-27 to 2026-06-18.

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.

Hanmi Semiconductor 042700

Company

한미반도체Hanmi Semiconductor

Insiders

Buys

Total Value

₩38.9B ($27.0M)

Avg Return

+72.25%

Last Filing

2026-06-18

Hanmi Semiconductor (042700) has 14 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩38.9B ($27.0M) in reported transaction value. The earliest filing StockDrifts holds for Hanmi Semiconductor is dated 2024-02-27; the most recent is 2026-06-18. Across these filings the average return since disclosure is +72.25%, 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
2026-08-03	BUY	Market Buy	곽동신 Kwak Dong-shin	CEO Chairman	29.3K	₩202,500	+0.3%	₩5.0B ($3.5M)
2026-06-18	BUY	Market Buy	곽동신 Kwak Dong-shin	CEO Chairman	23.7K	-	-	-
2026-04-27	BUY	Market Buy	곽동신 Kwak Dong-shin	CEO Chairman	9.6K	₩373,500	-4.3%	₩3.6B ($2.5M)
2026-01-05	BUY	Market Buy	곽동신 Kwak Dong-shin	CEO Chairman	47.7K	₩167,300	+21.9%	₩8.0B ($5.5M)
2025-11-28	BUY	Market Buy	곽동신 Kwak Dong-shin	CEO Chairman	41.1K	₩123,600	+65.0%	₩5.1B ($3.5M)
2025-05-22	SELL	증여	곽동신 Kwak Dong-shin	Chairman of Hanmi Semiconductor	-966.1K	₩81,200	-151.2%	₩78.5B ($54.5M)
2025-04-17	BUY	Market Buy	곽동신 Kwak Dong-shin	Chairman of Hanmi Semiconductor	43.7K	₩68,000	+200.0%	₩3.0B ($2.1M)
2025-03-14	BUY	Market Buy	곽동신 Kwak Dong-shin	CEO Chairman	22.3K	₩87,800	+132.3%	₩2.0B ($1.4M)
2024-10-24	BUY	Market Buy	곽동신 Kwak Dong-shin	CEO Vice Chairman	19.3K	₩98,200	+107.7%	₩1.9B ($1.3M)
2024-07-16	SELL	증여	곽동신 Kwak Dong-shin	CEO Vice Chairman	-1.9M	₩168,100	-21.4%	₩326.1B ($226.5M)
2024-06-05	BUY	Market Buy	곽동신 Kwak Dong-shin	CEO Vice Chairman	21.0K	₩155,800	+30.9%	₩3.3B ($2.3M)
2024-04-24	BUY	Market Buy	곽동신 Kwak Dong-shin	CEO Vice Chairman	20.0K	₩142,600	+43.1%	₩2.9B ($2.0M)
2024-04-24	BUY	Market Buy	곽동신 Kwak Dong-shin	CEO Vice Chairman	9.0K	₩142,600	+43.1%	₩1.3B ($891K)
2024-04-23	BUY	Market Buy	곽동신 Kwak Dong-shin	CEO Vice Chairman	12.0K	₩131,400	+55.3%	₩1.6B ($1.1M)
2024-04-11	BUY	Market Buy	곽동신 Kwak Dong-shin	CEO Vice Chairman	14.0K	₩141,700	+44.0%	₩2.0B ($1.4M)
2024-04-09	BUY	Market Buy	곽동신 Kwak Dong-shin	CEO Vice Chairman	16.0K	₩132,900	+53.5%	₩2.1B ($1.5M)
2024-02-27	BUY	Market Buy	곽동신 Kwak Dong-shin	CEO Vice Chairman	28.0K	₩82,700	+146.7%	₩2.3B ($1.6M)

Frequently asked questions

Who has been buying Hanmi Semiconductor stock?: 1 distinct insiders have filed 14 disclosed insider purchases in Hanmi Semiconductor (042700), most recently on 2026-06-18. 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 Hanmi Semiconductor have?: Hanmi Semiconductor has 14 buy-side and 0 sell-side disclosures on record, covering ₩38.9B ($27.0M) in total reported value, spanning 2024-02-27 to 2026-06-18.
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.