Who has been buying Hanbit Laser stock?

6 distinct insiders have filed 0 disclosed insider purchases in Hanbit Laser (452190), most recently on 2026-03-09. 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 Hanbit Laser have?

Hanbit Laser has 0 buy-side and 21 sell-side disclosures on record, covering ₩3.5B ($2.4M) in total reported value, spanning 2024-08-02 to 2026-03-09.

Where does StockDrifts get Hanbit Laser 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.

Hanbit Laser 452190

Company

한빛레이저Hanbit Laser

Insiders

Buys

Total Value

₩3.5B ($2.4M)

Avg Return

+5.55%

Last Filing

2026-03-09

Hanbit Laser (452190) has 0 disclosed insider purchases and 21 disclosed disposals on record, filed by 6 distinct insiders. Together those filings cover ₩3.5B ($2.4M) in reported transaction value. The earliest filing StockDrifts holds for Hanbit Laser is dated 2024-08-02; the most recent is 2026-03-09. 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 +5.55%, 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
2026-03-09	SELL	주식매수청구권 행사	최병규 Choi Byeong-gyu	vice president	-220.0K	-	-	-
2026-03-09	BUY	주식매수청구권 행사	최병규 Choi Byeong-gyu	vice president	220.0K	-	-	-
2026-03-09	SELL	주식매수청구권 행사	장주환 Joohwan Jang	Managing Director	-100.0K	-	-	-
2026-03-09	BUY	주식매수청구권 행사	조영훈 Younghoon Cho	Managing Director	100.0K	-	-	-
2026-03-09	SELL	주식매수청구권 행사	조영훈 Younghoon Cho	Managing Director	-100.0K	-	-	-
2026-03-09	BUY	주식매수청구권 행사	장주환 Joohwan Jang	Managing Director	100.0K	-	-	-
2026-03-09	SELL	주식매수청구권 행사	최상국 Choi Sang-guk	moving	-67.0K	-	-	-
2026-03-09	BUY	주식매수청구권 행사	최상국 Choi Sang-guk	moving	67.0K	-	-	-
2026-03-09	SELL	주식매수청구권 행사	정명진 Myeongjin Jeong	moving	-67.0K	-	-	-
2026-03-09	BUY	주식매수청구권 행사	정명진 Myeongjin Jeong	moving	67.0K	-	-	-
2025-12-11	SELL	Market Sell	최병규 Choi Byeong-gyu	vice president	-30.0K	₩5,110	+8.8%	₩153M ($106K)
2025-12-04	SELL	Market Sell	최병규 Choi Byeong-gyu	vice president	-40.0K	₩4,950	+5.9%	₩198M ($138K)
2025-11-12	SELL	Market Sell	장주환 Joohwan Jang	Managing Director	-40.0K	₩5,570	+16.3%	₩223M ($155K)
2025-10-30	SELL	Market Sell	조영훈 Younghoon Cho	Managing Director	-30.0K	₩5,310	+12.2%	₩159M ($111K)
2025-09-18	SELL	Market Sell	조영훈 Younghoon Cho	Managing Director	-10.0K	₩5,090	+8.4%	₩51M ($35K)
2025-06-10	SELL	Market Sell	정명진 Myeongjin Jeong	moving	-41.9K	₩5,470	+14.8%	₩229M ($159K)
2025-06-10	SELL	Market Sell	최상국 Choi Sang-guk	moving	-41.9K	₩5,470	+14.8%	₩229M ($159K)
2025-04-02	BUY	주식매수청구권 행사	조영훈 Younghoon Cho	Managing Director	40.0K	₩6,360	-26.7%	₩254M ($177K)
2025-04-02	SELL	주식매수청구권 행사	최상국 Choi Sang-guk	moving	-41.9K	₩6,360	+26.7%	₩266M ($185K)
2025-04-02	SELL	주식매수청구권 행사	최병규 Choi Byeong-gyu	vice president	-40.0K	₩6,360	+26.7%	₩254M ($177K)
2025-04-02	SELL	주식매수청구권 행사	장주환 Joohwan Jang	Managing Director	-40.0K	₩6,360	+26.7%	₩254M ($177K)
2025-04-02	SELL	주식매수청구권 행사	조영훈 Younghoon Cho	Managing Director	-40.0K	₩6,360	+26.7%	₩254M ($177K)
2025-04-02	BUY	주식매수청구권 행사	정명진 Myeongjin Jeong	moving	41.9K	₩6,360	-26.7%	₩266M ($185K)
2025-04-02	SELL	주식매수청구권 행사	정명진 Myeongjin Jeong	moving	-41.9K	₩6,360	+26.7%	₩266M ($185K)
2025-04-02	BUY	주식매수청구권 행사	최상국 Choi Sang-guk	moving	41.9K	₩6,360	-26.7%	₩266M ($185K)
2025-04-02	BUY	주식매수청구권 행사	최병규 Choi Byeong-gyu	vice president	40.0K	₩6,360	-26.7%	₩254M ($177K)
2025-04-02	BUY	주식매수청구권 행사	장주환 Joohwan Jang	Managing Director	40.0K	₩6,360	-26.7%	₩254M ($177K)
2024-08-22	SELL	Market Sell	조영훈 Younghoon Cho	Managing Director	-9.0K	₩4,770	+2.3%	₩43M ($30K)
2024-08-22	SELL	Market Sell	이석기 Lee Seok-gi	Managing Director	-18.0K	₩4,770	+2.3%	₩86M ($60K)
2024-08-22	SELL	Market Sell	최병규 Choi Byeong-gyu	vice president	-30.0K	₩4,770	+2.3%	₩143M ($99K)
2024-08-21	SELL	Market Sell	장주환 Joohwan Jang	Managing Director	-55.0K	₩5,350	+12.9%	₩294M ($204K)
2024-08-20	SELL	Market Sell	조영훈 Younghoon Cho	Managing Director	-36.0K	₩5,480	+15.0%	₩197M ($137K)
2024-08-20	SELL	Market Sell	최병규 Choi Byeong-gyu	vice president	-30.0K	₩5,480	+15.0%	₩164M ($114K)
2024-08-19	SELL	Market Sell	조영훈 Younghoon Cho	Managing Director	-28.0K	₩4,585	-1.6%	₩128M ($89K)
2024-08-19	SELL	Market Sell	최병규 Choi Byeong-gyu	vice president	-115.0K	₩4,585	-1.6%	₩527M ($366K)
2024-08-16	SELL	Market Sell	조영훈 Younghoon Cho	Managing Director	-26.0K	₩4,575	-1.9%	₩119M ($83K)
2024-08-16	SELL	Market Sell	최병규 Choi Byeong-gyu	vice president	-1.0K	₩4,575	-1.9%	₩5M ($3K)
2024-08-16	SELL	Market Sell	장주환 Joohwan Jang	Managing Director	-33.0K	₩4,575	-1.9%	₩151M ($105K)
2024-08-16	SELL	Market Sell	최상국 Choi Sang-guk	moving	-33.0K	₩4,575	-1.9%	₩151M ($105K)
2024-08-16	SELL	Market Sell	정명진 Myeongjin Jeong	moving	-33.0K	₩4,575	-1.9%	₩151M ($105K)
2024-08-16	SELL	Market Sell	이석기 Lee Seok-gi	Managing Director	-15.0K	₩4,575	-1.9%	₩69M ($48K)
2024-08-02	SELL	주식매수청구권 행사	장주환 Joohwan Jang	Managing Director	-55.0K	₩4,045	-15.2%	₩222M ($154K)
2024-08-02	BUY	주식매수청구권 행사	조영훈 Younghoon Cho	Managing Director	55.0K	₩4,045	+15.2%	₩222M ($154K)
2024-08-02	SELL	주식매수청구권 행사	최병규 Choi Byeong-gyu	vice president	-55.0K	₩4,045	-15.2%	₩222M ($154K)
2024-08-02	BUY	주식매수청구권 행사	장주환 Joohwan Jang	Managing Director	55.0K	₩4,045	+15.2%	₩222M ($154K)
2024-08-02	BUY	주식매수청구권 행사	최병규 Choi Byeong-gyu	vice president	55.0K	₩4,045	+15.2%	₩222M ($154K)
2024-08-02	SELL	주식매수청구권 행사	조영훈 Younghoon Cho	Managing Director	-55.0K	₩4,045	-15.2%	₩222M ($154K)

Frequently asked questions

Who has been buying Hanbit Laser stock?: 6 distinct insiders have filed 0 disclosed insider purchases in Hanbit Laser (452190), most recently on 2026-03-09. 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 Hanbit Laser have?: Hanbit Laser has 0 buy-side and 21 sell-side disclosures on record, covering ₩3.5B ($2.4M) in total reported value, spanning 2024-08-02 to 2026-03-09.
Where does StockDrifts get Hanbit Laser 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 Hanbit Laser. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.