Who has been buying pemtron stock?

6 distinct insiders have filed 15 disclosed insider purchases in pemtron (168360), most recently on 2026-03-30. 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 pemtron have?

pemtron has 15 buy-side and 6 sell-side disclosures on record, covering ₩1.2B ($865K) in total reported value, spanning 2024-03-19 to 2026-03-30.

Where does StockDrifts get pemtron 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.

pemtron 168360

Company

펨트론pemtron

Insiders

Buys

Total Value

₩1.2B ($865K)

Avg Return

+259.24%

Last Filing

2026-03-30

pemtron (168360) has 15 disclosed insider purchases and 6 disclosed disposals on record, filed by 6 distinct insiders. Together those filings cover ₩1.2B ($865K) in reported transaction value. The earliest filing StockDrifts holds for pemtron is dated 2024-03-19; the most recent is 2026-03-30. 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 +259.24%, 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
2026-03-30	BUY	신규선임	김재우 Jaewoo Kim	thanks	170.3K	₩19,200	+20.1%	₩3.3B ($2.3M)
2026-03-18	BUY	Market Buy	최진우 Jinwoo Choi	vice president	667	₩22,850	-11.2%	₩15M ($11K)
2026-03-18	BUY	Market Buy	최진우 Jinwoo Choi	vice president	694	₩22,850	-11.2%	₩16M ($11K)
2026-02-26	SELL	Market Sell	이학준 Hakjun Lee	Managing Director	-5.1K	₩31,550	+35.7%	₩161M ($112K)
2026-01-01	BUY	신규선임	이원종 Wonjong Lee	moving	355	₩15,780	+28.6%	₩6M ($4K)
2025-09-18	SELL	Market Sell	정현철 Jeong Hyeon-cheol	moving	-2.0K	₩18,840	-7.8%	₩38M ($26K)
2025-06-11	SELL	Market Sell	강상형 Sanghyung Kang	moving	-1.5K	₩11,380	-78.4%	₩18M ($12K)
2025-02-06	SELL	Market Sell	강상형 Sanghyung Kang	moving	-3.1K	₩10,000	-103.0%	₩31M ($21K)
2025-01-20	SELL	Market Sell	정현철 Jeong Hyeon-cheol	moving	-2.9K	₩8,120	-150.0%	₩24M ($16K)
2024-10-25	SELL	Market Sell	정현철 Jeong Hyeon-cheol	moving	-2.9K	₩7,460	-172.1%	₩22M ($15K)
2024-09-19	BUY	Market Buy	덕인 Deokin	-	10.0K	₩3,230	+528.5%	₩32M ($22K)
2024-09-19	BUY	Market Buy	덕인 Deokin	-	10.0K	₩3,230	+528.5%	₩32M ($22K)
2024-09-11	BUY	Market Buy	덕인 Deokin	-	10.0K	₩3,280	+518.9%	₩33M ($23K)
2024-09-10	BUY	Market Buy	덕인 Deokin	-	10.0K	₩3,150	+544.4%	₩32M ($22K)
2024-09-10	BUY	Market Buy	덕인 Deokin	-	10.0K	₩3,150	+544.4%	₩32M ($22K)
2024-09-04	BUY	Market Buy	덕인 Deokin	-	10.0K	₩3,440	+490.1%	₩34M ($24K)
2024-09-04	BUY	Market Buy	덕인 Deokin	-	10.0K	₩3,440	+490.1%	₩34M ($24K)
2024-09-03	BUY	Market Buy	덕인 Deokin	-	10.0K	₩3,640	+457.7%	₩36M ($25K)
2024-09-02	BUY	Market Buy	덕인 Deokin	-	10.0K	₩3,695	+449.4%	₩37M ($26K)
2024-08-30	BUY	Market Buy	덕인 Deokin	-	10.0K	₩3,810	+432.8%	₩38M ($26K)
2024-08-19	BUY	Market Buy	유영웅 Youngwoong Yoo	CEO	11.7K	₩4,130	+391.5%	₩48M ($34K)
2024-08-16	BUY	Market Buy	유영웅 Youngwoong Yoo	CEO	12.1K	₩4,250	+377.6%	₩51M ($36K)
2024-06-21	BUY	Market Buy	유영웅 Youngwoong Yoo	CEO	68.3K	₩7,050	+187.9%	₩481M ($334K)
2024-04-19	BUY	PROGRAM	조영석 Youngseok Cho	moving	20.0K	₩8,160	+148.8%	₩163M ($113K)
2024-04-19	BUY	PROGRAM	이재범 Jaebeom Lee	moving	4.0K	₩8,160	+148.8%	₩33M ($23K)
2024-04-19	BUY	PROGRAM	정현철 Jeong Hyeon-cheol	moving	7.5K	₩8,160	+148.8%	₩61M ($43K)
2024-04-19	BUY	PROGRAM	강상형 Sanghyung Kang	moving	2.0K	₩8,160	+148.8%	₩16M ($11K)
2024-04-19	BUY	PROGRAM	이학준 Hakjun Lee	moving	3.1K	₩8,160	+148.8%	₩26M ($18K)
2024-04-19	BUY	PROGRAM	조현식 Cho Hyun-sik	Managing Director	3.0K	₩8,160	+148.8%	₩24M ($17K)
2024-04-19	BUY	PROGRAM	김경래 Kim Kyung-rae	moving	1.8K	₩8,160	+148.8%	₩15M ($10K)
2024-03-19	BUY	기타	정현철 Jeong Hyeon-cheol	moving	7.5K	₩10,570	+92.0%	₩79M ($55K)

Frequently asked questions

Who has been buying pemtron stock?: 6 distinct insiders have filed 15 disclosed insider purchases in pemtron (168360), most recently on 2026-03-30. 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 pemtron have?: pemtron has 15 buy-side and 6 sell-side disclosures on record, covering ₩1.2B ($865K) in total reported value, spanning 2024-03-19 to 2026-03-30.
Where does StockDrifts get pemtron 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 pemtron. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.