Who has been buying Nchem stock?

7 distinct insiders have filed 32 disclosed insider purchases in Nchem (348370), most recently on 2026-04-08. 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 Nchem have?

Nchem has 32 buy-side and 336 sell-side disclosures on record, covering ₩96.4B ($66.9M) in total reported value, spanning 2024-02-21 to 2026-04-08.

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.

Nchem 348370

Company

엔켐Nchem

Insiders

Buys

Total Value

₩96.4B ($66.9M)

Avg Return

-15.86%

Last Filing

2026-04-08

Nchem (348370) has 32 disclosed insider purchases and 336 disclosed disposals on record, filed by 7 distinct insiders. Together those filings cover ₩96.4B ($66.9M) in reported transaction value. The earliest filing StockDrifts holds for Nchem is dated 2024-02-21; the most recent is 2026-04-08. Across these filings the average return since disclosure is -15.86%, 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
2026-09-17	SELL	기타	와이어트그룹 Wyatt Group	-	-345.2K	₩20,600	+1.9%	₩7.1B ($4.9M)
2026-08-11	SELL	대여	와이어트그룹 Wyatt Group	-	-293.8K	₩23,550	+23.8%	₩6.9B ($4.8M)
2026-08-11	BUY	차입	오정강 Jeonggang Oh	CEO	293.8K	₩23,550	-12.5%	₩6.9B ($4.8M)
2026-08-11	SELL	기타	오정강 Jeonggang Oh	CEO	-293.8K	₩23,550	+12.5%	₩6.9B ($4.8M)
2026-06-19	BUY	CB인수	오정강 Jeonggang Oh	CEO	19.2K	₩31,100	-34.6%	₩596M ($414K)
2026-04-08	BUY	신규보고	와이어트그룹 Wyatt Group	-	9.2K	₩37,150	+32.0%	₩343M ($238K)
2026-04-08	BUY	신규보고	와이어트그룹 Wyatt Group	-	1.4M	₩37,150	+32.0%	₩52.9B ($36.7M)
2026-03-26	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-138.7K	₩45,000	+54.2%	₩4.2B ($2.9M)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-5.6K	₩29,950	-42.6%	₩168M ($116K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-9.4K	₩29,950	-42.6%	₩281M ($195K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-1.3K	₩29,950	-42.6%	₩39M ($27K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-7.3K	₩29,950	-42.6%	₩218M ($151K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-2.5K	₩29,950	-42.6%	₩75M ($52K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-9.9K	₩29,950	-42.6%	₩298M ($207K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-233	₩29,950	-42.6%	₩7M ($5K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-932	₩29,950	-42.6%	₩28M ($19K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-6.2K	₩29,950	-42.6%	₩185M ($128K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-137	₩29,950	-42.6%	₩4M ($3K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-235	₩29,950	-42.6%	₩7M ($5K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-844	₩29,950	-42.6%	₩25M ($18K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-4.7K	₩29,950	-42.6%	₩142M ($99K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-2.0K	₩29,950	-42.6%	₩60M ($41K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-20.1K	₩29,950	-42.6%	₩603M ($419K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-17	₩29,950	-42.6%	₩509K ($354)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-3.5K	₩29,950	-42.6%	₩104M ($72K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-5.3K	₩29,950	-42.6%	₩159M ($111K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-8.4K	₩29,950	-42.6%	₩250M ($174K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-1.1K	₩29,950	-42.6%	₩33M ($23K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-11.6K	₩29,950	-42.6%	₩346M ($240K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-12.0K	₩29,950	-42.6%	₩359M ($249K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-8.9K	₩29,950	-42.6%	₩268M ($186K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-2.8K	₩29,950	-42.6%	₩85M ($59K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-7.6K	₩29,950	-42.6%	₩226M ($157K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-2.1K	₩29,950	-42.6%	₩63M ($44K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-4.2K	₩29,950	-42.6%	₩125M ($87K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-2.6K	₩29,950	-42.6%	₩77M ($54K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-2.4K	₩29,950	-42.6%	₩71M ($50K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-9.6K	₩29,950	-42.6%	₩288M ($200K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-2.0K	₩29,950	-42.6%	₩60M ($42K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-2.0K	₩29,950	-42.6%	₩60M ($42K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-54	₩29,950	-42.6%	₩2M ($1K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-5.9K	₩29,950	-42.6%	₩178M ($124K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-5.0K	₩29,950	-42.6%	₩149M ($104K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-2.1K	₩29,950	-42.6%	₩63M ($44K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-2.7K	₩29,950	-42.6%	₩80M ($55K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-3.0K	₩29,950	-42.6%	₩90M ($62K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-12.6K	₩29,950	-42.6%	₩377M ($261K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-63	₩29,950	-42.6%	₩2M ($1K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-10.3K	₩29,950	-42.6%	₩309M ($214K)
2026-03-24	SELL	Market Sell	오정강 Jeonggang Oh	CEO	-9.1K	₩29,950	-42.6%	₩273M ($190K)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying Nchem stock?: 7 distinct insiders have filed 32 disclosed insider purchases in Nchem (348370), most recently on 2026-04-08. 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 Nchem have?: Nchem has 32 buy-side and 336 sell-side disclosures on record, covering ₩96.4B ($66.9M) in total reported value, spanning 2024-02-21 to 2026-04-08.
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.