Who has been buying NBT stock?

2 distinct insiders have filed 2 disclosed insider purchases in NBT (236810), most recently on 2025-06-26. 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 NBT have?

NBT has 2 buy-side and 1 sell-side disclosures on record, covering ₩139M ($96K) in total reported value, spanning 2024-02-22 to 2025-06-26.

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.

NBT 236810

Company

엔비티NBT

Insiders

Buys

Total Value

₩139M ($96K)

Avg Return

-21.87%

Last Filing

2025-06-26

NBT (236810) has 2 disclosed insider purchases and 1 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩139M ($96K) in reported transaction value. The earliest filing StockDrifts holds for NBT is dated 2024-02-22; the most recent is 2025-06-26. Across these filings the average return since disclosure is -21.87%, 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
2026-08-31	BUY	Market Buy	이지나 Ji-na Lee	Team leader	1.0K	₩1,639	+6.8%	₩1M ($999)
2026-08-20	BUY	Market Buy	이지나 Ji-na Lee	Team leader	23.4K	₩1,472	+9.0%	₩37M ($25K)
2026-08-19	BUY	Market Buy	이지나 Ji-na Lee	Team leader	13.8K	₩1,537	+4.4%	₩20M ($14K)
2026-08-14	BUY	Market Buy	이지나 Ji-na Lee	Team leader	3.5K	₩1,462	+2.5%	₩5M ($3K)
2026-08-13	BUY	Market Buy	이지나 Ji-na Lee	Team leader	5.3K	₩1,400	+7.0%	₩8M ($5K)
2026-08-11	BUY	Market Buy	이지나 Ji-na Lee	Team leader	4.2K	₩1,425	+2.6%	₩6M ($4K)
2026-08-10	BUY	Market Buy	이지나 Ji-na Lee	Team leader	7.0K	₩1,429	+2.3%	₩10M ($7K)
2026-08-06	BUY	Market Buy	이지나 Ji-na Lee	Team leader	24.6K	₩1,423	+2.7%	₩35M ($24K)
2026-08-04	BUY	Market Buy	이지나 Ji-na Lee	Team leader	2.0K	₩1,419	+1.7%	₩2M ($2K)
2026-08-03	BUY	Market Buy	이지나 Ji-na Lee	Team leader	22.1K	₩1,381	+4.5%	₩26M ($18K)
2025-06-26	SELL	Market Sell	김승혁 Seunghyuk Kim	Other non-executive directors	-19.2K	₩4,225	+56.0%	₩81M ($56K)
2025-05-07	BUY	신규선임	이지나 Ji-na Lee	Team leader	16.3K	₩3,080	-39.6%	₩50M ($35K)
2024-08-07	SELL	시간외매매	박수근 Park Soo-geun	CEO	-220.0K	₩4,005	+53.6%	₩881M ($612K)
2024-07-19	BUY	Market Buy	김주희 Joohee Kim	CFO	6.1K	₩4,625	-59.8%	₩28M ($19K)
2024-06-28	BUY	Market Buy	김주희 Joohee Kim	CFO	6.0K	₩4,870	-61.8%	₩29M ($20K)
2024-03-29	BUY	신규선임	김승혁 Seunghyuk Kim	Other non-executive directors	159.2K	₩6,830	-72.8%	₩1.1B ($755K)
2024-03-28	SELL	임원퇴임	김승혁 Seunghyuk Kim	Other non-executive directors	-159.2K	₩6,690	+72.2%	₩1.1B ($740K)
2024-02-22	BUY	기타	남상균 Nam Sang-gyun	moving	2.8K	₩7,860	-76.3%	₩22M ($15K)

Frequently asked questions

Who has been buying NBT stock?: 2 distinct insiders have filed 2 disclosed insider purchases in NBT (236810), most recently on 2025-06-26. 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 NBT have?: NBT has 2 buy-side and 1 sell-side disclosures on record, covering ₩139M ($96K) in total reported value, spanning 2024-02-22 to 2025-06-26.
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.