Who has been buying KNS stock?

2 distinct insiders have filed 1 disclosed insider purchases in KNS (432470), most recently on 2026-06-25. 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 KNS have?

KNS has 1 buy-side and 1 sell-side disclosures on record, covering ₩272M ($189K) in total reported value, spanning 2024-07-02 to 2026-06-25.

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.

KNS 432470

Company

케이엔에스KNS

Insiders

Buys

Total Value

₩272M ($189K)

Avg Return

+6.80%

Last Filing

2026-06-25

KNS (432470) has 1 disclosed insider purchases and 1 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩272M ($189K) in reported transaction value. The earliest filing StockDrifts holds for KNS is dated 2024-07-02; the most recent is 2026-06-25. Across these filings the average return since disclosure is +6.80%, 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
2026-08-06	SELL	증여	정봉진 Bongjin Jeong	CEO	-200.0K	₩8,100	-0.3%	₩1.6B ($1.1M)
2026-08-06	SELL	증여	정봉진 Bongjin Jeong	CEO	-60.0K	₩8,100	-0.3%	₩486M ($338K)
2026-08-06	SELL	증여	정봉진 Bongjin Jeong	CEO	-200.0K	₩8,100	-0.3%	₩1.6B ($1.1M)
2026-06-25	BUY	Market Buy	정연직 Yeonjik Jeong	vice president	7.5K	₩7,350	-6.3%	₩55M ($38K)
2025-12-01	SELL	증여	정봉진 Bongjin Jeong	CEO	-87.0K	₩10,690	-35.5%	₩930M ($646K)
2025-12-01	SELL	시간외매매	정봉진 Bongjin Jeong	CEO	-430.0K	₩10,690	-35.5%	₩4.6B ($3.2M)
2025-05-02	BUY	주식매수선택권	김흥래 Kim Heung-rae	moving	32.0K	₩10,650	+36.1%	₩341M ($237K)
2025-05-02	BUY	주식매수선택권	정연직 Yeonjik Jeong	vice president	65.0K	₩10,650	+36.1%	₩692M ($481K)
2024-10-07	SELL	Market Sell	김종선 Kim Jong-seon	moving	-12.0K	₩18,080	+19.9%	₩217M ($151K)
2024-07-02	BUY	무상신주취득	정연직 Yeonjik Jeong	Managing Director	12.2K	₩16,030	-9.6%	₩195M ($135K)
2024-07-02	BUY	무상신주취득	김종선 Kim Jong-seon	moving	16.7K	₩16,030	-9.6%	₩268M ($186K)
2024-07-02	BUY	무상신주취득	김형균 Kim Hyeong-gyun	moving	12.2K	₩16,030	-9.6%	₩195M ($136K)
2024-07-02	BUY	무상신주취득	정봉진 Bongjin Jeong	CEO	2.7M	₩16,030	-9.6%	₩42.9B ($29.8M)

Frequently asked questions

Who has been buying KNS stock?: 2 distinct insiders have filed 1 disclosed insider purchases in KNS (432470), most recently on 2026-06-25. 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 KNS have?: KNS has 1 buy-side and 1 sell-side disclosures on record, covering ₩272M ($189K) in total reported value, spanning 2024-07-02 to 2026-06-25.
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.