Who has been buying NRB stock?

11 distinct insiders have filed 21 disclosed insider purchases in NRB (475230), most recently on 2026-07-10. 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 NRB have?

NRB has 21 buy-side and 2 sell-side disclosures on record, covering ₩289M ($201K) in total reported value, spanning 2025-07-28 to 2026-07-10.

Where does StockDrifts get NRB insider data?

From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.

Do insider buys in Korean stocks predict returns?

Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

NRB 475230

Company

엔알비NRB

Insiders

Buys

Total Value

₩289M ($201K)

Avg Return

-2.68%

Last Filing

2026-07-10

NRB (475230) has 21 disclosed insider purchases and 2 disclosed disposals on record, filed by 11 distinct insiders. Together those filings cover ₩289M ($201K) in reported transaction value. The earliest filing StockDrifts holds for NRB is dated 2025-07-28; the most recent is 2026-07-10. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea). Across these filings the average return since disclosure is -2.68%, 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
2026-07-10	BUY	Market Buy	이봉구 Lee Bong-gu	Managing Director	330	₩7,430	-2.6%	₩2M ($2K)
2026-07-10	BUY	Market Buy	강건우 Kang Geon-woo	CEO	5.0K	₩7,430	-2.6%	₩33M ($23K)
2026-07-09	BUY	Market Buy	강건우 Kang Geon-woo	CEO	5.1K	₩6,790	+6.6%	₩37M ($26K)
2026-07-08	BUY	Market Buy	강건우 Kang Geon-woo	CEO	4.9K	₩6,400	+13.1%	₩34M ($24K)
2026-07-03	BUY	Market Buy	이봉구 Lee Bong-gu	Managing Director	720	₩7,600	-4.7%	₩6M ($4K)
2026-06-26	BUY	Market Buy	송성훈 Song Seong-hoon	Managing Director	558	₩7,900	+0.0%	₩4M ($3K)
2026-06-25	BUY	Market Buy	송성훈 Song Seong-hoon	Managing Director	500	₩8,370	-5.6%	₩4M ($3K)
2026-06-24	BUY	Market Buy	송성훈 Song Seong-hoon	Managing Director	1.1K	₩8,860	-10.8%	₩10M ($7K)
2026-06-24	BUY	Market Buy	김춘식 Kim Chun-sik	Managing Director	626	₩8,860	-10.8%	₩6M ($4K)
2026-06-22	BUY	Market Buy	김춘식 Kim Chun-sik	Managing Director	449	₩9,200	-14.1%	₩4M ($3K)
2026-06-18	BUY	PROGRAM	조재훈 Jaehoon Jo	Managing Director	866	₩9,700	+1.0%	₩8M ($6K)
2026-06-18	BUY	PROGRAM	김동우 Dongwoo Kim	vice president	943	₩9,700	+1.0%	₩9M ($6K)
2026-06-18	BUY	PROGRAM	박정희 Park Chung-hee	Managing Director	1.0K	₩9,700	+1.0%	₩10M ($7K)
2026-06-18	BUY	PROGRAM	김명진 Myeongjin Kim	Managing Director	500	₩9,700	+1.0%	₩5M ($3K)
2026-06-17	BUY	PROGRAM	김명진 Myeongjin Kim	Managing Director	1.0K	₩10,230	-4.2%	₩10M ($7K)
2026-06-17	BUY	PROGRAM	김동우 Dongwoo Kim	vice president	1.1K	₩10,230	-4.2%	₩11M ($8K)
2026-06-17	BUY	PROGRAM	강건우 Kang Geon-woo	CEO	500	₩10,230	-4.2%	₩5M ($4K)
2026-06-17	BUY	PROGRAM	조재훈 Jaehoon Jo	Managing Director	134	₩10,230	-4.2%	₩1M ($952)
2026-06-17	BUY	PROGRAM	최진달미 Jindalmi Choi	Managing Director	1.3K	₩10,230	-4.2%	₩13M ($9K)
2026-06-17	BUY	PROGRAM	이종명 Jongmyeong Lee	Managing Director	1.0K	₩10,230	-4.2%	₩10M ($7K)
2026-06-16	BUY	PROGRAM	강건우 Kang Geon-woo	CEO	6.5K	₩10,170	-3.6%	₩66M ($46K)
2026-04-03	BUY	PROGRAM	최우제 Wooje Choi	Managing Director	7.9K	₩22,050	-10.3%	₩174M ($121K)
2026-04-03	BUY	PROGRAM	김갑득 Kim Gap-deuk	president	7.9K	₩22,050	-10.3%	₩174M ($121K)
2026-04-03	BUY	PROGRAM	김태우 Taewoo Kim	Managing Director	7.9K	₩22,050	-10.3%	₩174M ($121K)
2026-04-03	BUY	PROGRAM	오진택 Jintaek Oh	vice president	7.9K	₩22,050	-10.3%	₩174M ($121K)
2026-04-03	BUY	PROGRAM	송성훈 Song Seong-hoon	Managing Director	2.8K	₩22,050	-10.3%	₩63M ($43K)
2026-04-01	BUY	신규선임	송성훈 Song Seong-hoon	Managing Director	3.5K	₩22,500	-12.1%	₩79M ($55K)
2026-02-27	SELL	Market Sell	주현철 Joo Hyeon-cheol	Managing Director	-5.0K	-	-	-
2026-02-26	SELL	Market Sell	주현철 Joo Hyeon-cheol	Managing Director	-1.3K	-	-	-
2025-12-26	BUY	주식매수선택권	김춘식 Kim Chun-sik	Managing Director	12.7K	₩14,680	+73.7%	₩186M ($129K)
2025-12-26	BUY	주식매수선택권	김명진 Myeongjin Kim	Managing Director	15.8K	₩14,680	+73.7%	₩233M ($161K)
2025-12-26	BUY	주식매수선택권	최대헌 Choi Dae-heon	Managing Director	15.8K	₩14,680	+73.7%	₩233M ($161K)
2025-12-26	BUY	주식매수선택권	주현철 Joo Hyeon-cheol	Managing Director	6.3K	₩14,680	+73.7%	₩93M ($65K)
2025-12-26	BUY	주식매수선택권	최진달미 Jindalmi Choi	Managing Director	15.8K	₩14,680	+73.7%	₩233M ($161K)
2025-07-28	BUY	신규상장	강건우 Kang Geon-woo	CEO	3.5M	₩16,660	+53.1%	₩57.8B ($40.2M)
2025-07-28	BUY	신규상장	김동우 Dongwoo Kim	Managing Director	1.1M	₩16,660	+53.1%	₩18.7B ($13.0M)

Frequently asked questions

Who has been buying NRB stock?: 11 distinct insiders have filed 21 disclosed insider purchases in NRB (475230), most recently on 2026-07-10. 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 NRB have?: NRB has 21 buy-side and 2 sell-side disclosures on record, covering ₩289M ($201K) in total reported value, spanning 2025-07-28 to 2026-07-10.
Where does StockDrifts get NRB insider data?: From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Source filings

Every trade listed above is disclosed in DART D001/D002 insider disclosures, filed with the Financial Supervisory Service (Korea). View the original DART filings for NRB. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.