Who has been buying Nature Cell stock?

2 distinct insiders have filed 3 disclosed insider purchases in Nature Cell (007390), most recently on 2026-03-27. 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 Nature Cell have?

Nature Cell has 3 buy-side and 7 sell-side disclosures on record, covering ₩3.7B ($2.5M) in total reported value, spanning 2024-07-16 to 2026-03-27.

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.

Nature Cell 007390

Company

네이처셀Nature Cell

Insiders

Buys

Total Value

₩3.7B ($2.5M)

Avg Return

-7.92%

Last Filing

2026-03-27

Nature Cell (007390) has 3 disclosed insider purchases and 7 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩3.7B ($2.5M) in reported transaction value. The earliest filing StockDrifts holds for Nature Cell is dated 2024-07-16; the most recent is 2026-03-27. Across these filings the average return since disclosure is -7.92%, 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
2026-03-27	BUY	Market Buy	라정찬 Rajeongchan	CEO	55.9K	₩18,280	+14.6%	₩1.0B ($709K)
2026-03-26	BUY	Market Buy	라정찬 Rajeongchan	CEO	58.7K	₩17,100	+22.5%	₩1.0B ($697K)
2026-03-20	BUY	Market Buy	라정찬 Rajeongchan	CEO	54.7K	-	-	-
2025-12-22	SELL	Market Sell	변대중 Byeon Dae-jung	Hospital Director	-10.0K	₩22,400	-2.9%	₩224M ($156K)
2025-09-22	SELL	Market Sell	변대중 Byeon Dae-jung	Hospital Director	-9.6K	₩20,650	-11.6%	₩198M ($138K)
2025-04-30	BUY	주식매수선택권	박상철 Park Sang-cheol	Internal director	3.0K	₩26,200	-12.0%	₩79M ($55K)
2025-03-25	SELL	Market Sell	라정찬 Rajeongchan	(Labor Director)	-12.0K	₩28,850	+20.1%	₩346M ($240K)
2025-03-24	SELL	Market Sell	라정찬 Rajeongchan	(Labor Director)	-12.0K	₩22,200	-3.8%	₩266M ($185K)
2025-03-21	SELL	Market Sell	라정찬 Rajeongchan	(Labor Director)	-12.0K	₩17,110	-34.7%	₩205M ($143K)
2025-03-20	SELL	Market Sell	라정찬 Rajeongchan	(Labor Director)	-12.0K	₩16,490	-39.8%	₩198M ($137K)
2025-03-19	SELL	Market Sell	라정찬 Rajeongchan	(Labor Director)	-12.0K	₩16,990	-35.7%	₩204M ($142K)
2024-07-16	SELL	대물변제	라정찬 Rajeongchan	(Labor Director)	-750.0K	₩10,250	-124.9%	₩7.7B ($5.3M)

Frequently asked questions

Who has been buying Nature Cell stock?: 2 distinct insiders have filed 3 disclosed insider purchases in Nature Cell (007390), most recently on 2026-03-27. 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 Nature Cell have?: Nature Cell has 3 buy-side and 7 sell-side disclosures on record, covering ₩3.7B ($2.5M) in total reported value, spanning 2024-07-16 to 2026-03-27.
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.