Who has been buying i-sense stock?

5 distinct insiders have filed 29 disclosed insider purchases in i-sense (099190), most recently on 2026-06-30. 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 i-sense have?

i-sense has 29 buy-side and 8 sell-side disclosures on record, covering ₩1.2B ($867K) in total reported value, spanning 2024-02-07 to 2026-06-30.

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.

i-sense 099190

Company

아이센스i-sense

Insiders

Buys

Total Value

₩1.2B ($867K)

Avg Return

+25.39%

Last Filing

2026-06-30

i-sense (099190) has 29 disclosed insider purchases and 8 disclosed disposals on record, filed by 5 distinct insiders. Together those filings cover ₩1.2B ($867K) in reported transaction value. The earliest filing StockDrifts holds for i-sense is dated 2024-02-07; the most recent is 2026-06-30. Across these filings the average return since disclosure is +25.39%, 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
2026-09-14	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	500	₩16,360	-2.3%	₩8M ($6K)
2026-07-16	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	1.0K	₩15,020	+6.7%	₩15M ($10K)
2026-06-30	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	1.0K	₩16,160	-1.1%	₩16M ($11K)
2026-06-26	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	1.0K	₩14,690	+8.8%	₩15M ($10K)
2026-06-23	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	1.0K	₩15,000	-2.1%	₩15M ($10K)
2026-06-08	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	1.0K	₩15,560	+7.7%	₩16M ($11K)
2026-06-04	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	1.0K	₩16,100	+4.0%	₩16M ($11K)
2026-05-22	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	1.0K	₩19,780	-15.6%	₩20M ($14K)
2026-01-02	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	1.0K	₩16,050	+68.2%	₩16M ($11K)
2025-12-16	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	1.0K	₩16,450	+64.1%	₩16M ($11K)
2025-11-11	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	1.0K	₩16,740	+61.3%	₩17M ($12K)
2025-11-10	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	1.0K	₩16,630	+62.4%	₩17M ($12K)
2025-09-19	SELL	Market Sell	안상도 Ahn Sang-do	vice president	-18.0K	₩19,760	-36.6%	₩356M ($247K)
2025-09-18	SELL	Market Sell	안상도 Ahn Sang-do	vice president	-3.0K	₩19,990	-35.1%	₩61M ($42K)
2025-05-27	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	2.4K	₩15,950	+69.3%	₩39M ($27K)
2025-05-21	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	1.6K	₩16,600	+62.6%	₩26M ($18K)
2025-04-16	BUY	PROGRAM	오현준 Hyeonjun Oh	Managing Director	12.0K	₩14,900	+81.2%	₩179M ($124K)
2025-04-16	BUY	PROGRAM	안상도 Ahn Sang-do	vice president	8.0K	₩14,900	+81.2%	₩119M ($83K)
2025-04-16	BUY	PROGRAM	이동주 Lee Dong-ju	Managing Director	12.0K	₩14,900	+81.2%	₩179M ($124K)
2025-04-16	BUY	PROGRAM	황보현 Bohyun Hwang	thanks	6.0K	₩14,900	+81.2%	₩89M ($62K)
2025-04-01	BUY	신규선임	이광현 Gwanghyeon Lee	Managing Director	4.0K	₩15,420	+75.1%	₩61M ($43K)
2025-01-10	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	2.0K	₩16,050	+68.2%	₩32M ($22K)
2025-01-10	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	500	₩16,050	+68.2%	₩8M ($6K)
2025-01-06	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	500	₩15,990	+68.9%	₩8M ($6K)
2024-12-06	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	500	₩16,750	+61.2%	₩8M ($6K)
2024-12-02	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	500	₩16,330	+65.3%	₩8M ($6K)
2024-11-06	BUY	주식매수선택권	황보현 Bohyun Hwang	thanks	4.0K	₩18,500	+46.0%	₩74M ($51K)
2024-09-05	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	1.0K	₩15,530	+73.9%	₩16M ($11K)
2024-08-13	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	1.0K	₩17,190	+57.1%	₩17M ($12K)
2024-08-07	BUY	PROGRAM	오봉균 Oh Bong-gyun	vice president	12.0K	₩17,360	+55.5%	₩208M ($145K)
2024-08-07	BUY	Market Buy	오봉균 Oh Bong-gyun	vice president	1.9K	₩17,360	+55.5%	₩33M ($23K)
2024-07-12	SELL	Market Sell	황보현 Bohyun Hwang	thanks	-2.0K	₩20,800	-29.8%	₩42M ($29K)
2024-06-04	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	500	₩17,850	+51.3%	₩9M ($6K)
2024-05-30	SELL	Market Sell	이상주 Lee Sang-ju	vice president	-3.4K	₩18,210	-48.3%	₩63M ($44K)
2024-05-29	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	1.5K	₩18,180	+48.5%	₩27M ($19K)
2024-05-28	SELL	Market Sell	이상주 Lee Sang-ju	vice president	-5.1K	₩18,610	-45.1%	₩95M ($66K)
2024-05-22	BUY	PROGRAM	이상주 Lee Sang-ju	vice president	16.0K	₩19,500	+38.5%	₩312M ($217K)
2024-05-22	SELL	Market Sell	이상주 Lee Sang-ju	vice president	-1.4K	₩19,500	-38.5%	₩26M ($18K)
2024-05-10	SELL	Market Sell	이상주 Lee Sang-ju	vice president	-4.0K	₩20,000	-35.0%	₩80M ($55K)
2024-05-09	SELL	Market Sell	이상주 Lee Sang-ju	vice president	-667	₩19,760	-36.6%	₩13M ($9K)
2024-05-03	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	1.0K	₩19,400	+39.2%	₩19M ($13K)
2024-05-02	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	2.0K	₩19,470	+38.7%	₩39M ($27K)
2024-04-11	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	200	₩19,320	+39.8%	₩4M ($3K)
2024-04-08	BUY	PROGRAM	이동주 Lee Dong-ju	Managing Director	12.0K	₩19,420	+39.0%	₩233M ($162K)
2024-04-08	BUY	PROGRAM	안상도 Ahn Sang-do	vice president	8.0K	₩19,420	+39.0%	₩155M ($108K)
2024-04-08	BUY	PROGRAM	이재숙 Jaesook Lee	Managing Director	6.0K	₩19,420	+39.0%	₩117M ($81K)
2024-04-08	BUY	PROGRAM	윤종우 Jongwoo Yoon	Managing Director	8.0K	₩19,420	+39.0%	₩155M ($108K)
2024-04-08	BUY	PROGRAM	황보현 Bohyun Hwang	thanks	2.0K	₩19,420	+39.0%	₩39M ($27K)
2024-04-08	BUY	PROGRAM	이상주 Lee Sang-ju	vice president	24.0K	₩19,420	+39.0%	₩466M ($324K)
2024-04-08	BUY	Market Buy	남학현 Nam Hak-hyeon	CEO (President)	1.0K	₩19,420	+39.0%	₩19M ($13K)

Showing the 50 most recent of 56 filings.

Frequently asked questions

Who has been buying i-sense stock?: 5 distinct insiders have filed 29 disclosed insider purchases in i-sense (099190), most recently on 2026-06-30. 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 i-sense have?: i-sense has 29 buy-side and 8 sell-side disclosures on record, covering ₩1.2B ($867K) in total reported value, spanning 2024-02-07 to 2026-06-30.
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.