Who has been buying SUN&L stock?

4 distinct insiders have filed 66 disclosed insider purchases in SUN&L (002820), most recently on 2026-01-19. 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 SUN&L have?

SUN&L has 66 buy-side and 0 sell-side disclosures on record, covering ₩294M ($204K) in total reported value, spanning 2024-04-03 to 2026-01-19.

Where does StockDrifts get SUN&L 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.

SUN&L 002820

Company

SUN&L

Insiders

Buys

Total Value

₩294M ($204K)

Avg Return

-18.71%

Last Filing

2026-01-19

SUN&L (002820) has 66 disclosed insider purchases and 0 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩294M ($204K) in reported transaction value. The earliest filing StockDrifts holds for SUN&L is dated 2024-04-03; the most recent is 2026-01-19. 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 -18.71%, 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
2026-08-12	BUY	Market Buy	이윤규 Yun-gyu Lee	CEO	2.0K	₩1,717	-13.7%	₩5M ($3K)
2026-08-07	BUY	Market Buy	송기복 Song Ki-bok	Managing Director	4.5K	₩2,485	+0.0%	₩10M ($7K)
2026-01-19	BUY	Market Buy	이윤규 Yun-gyu Lee	CEO	2.1K	₩2,380	-0.4%	₩5M ($4K)
2025-11-20	BUY	Market Buy	김남수 Namsu Kim	Managing Director	1.2K	₩2,325	+1.9%	₩3M ($2K)
2025-10-22	SELL	증여	정연준 Yeonjun Jeong	vice president	-38.0K	₩2,525	+6.1%	₩96M ($67K)
2025-09-15	BUY	Market Buy	김남수 Namsu Kim	Managing Director	434	₩2,600	-8.8%	₩1M ($784)
2025-09-12	BUY	Market Buy	김남수 Namsu Kim	Managing Director	800	₩2,605	-9.0%	₩2M ($1K)
2025-09-11	BUY	Market Buy	김남수 Namsu Kim	Managing Director	878	₩2,610	-9.2%	₩2M ($2K)
2025-07-11	BUY	Market Buy	김남수 Namsu Kim	Managing Director	540	₩2,870	-17.4%	₩2M ($1K)
2025-07-09	BUY	Market Buy	김남수 Namsu Kim	Managing Director	500	₩2,860	-17.1%	₩1M ($993)
2025-05-26	BUY	Market Buy	김남수 Namsu Kim	Managing Director	349	₩2,910	-18.6%	₩1M ($705)
2025-05-22	BUY	Market Buy	김남수 Namsu Kim	Managing Director	1.1K	₩2,910	-18.6%	₩3M ($2K)
2025-04-18	BUY	Market Buy	김남수 Namsu Kim	Managing Director	62	₩2,930	-19.1%	₩182K ($126)
2025-04-16	BUY	Market Buy	김남수 Namsu Kim	Managing Director	450	₩2,815	-15.8%	₩1M ($880)
2025-04-14	BUY	Market Buy	김남수 Namsu Kim	Managing Director	400	₩2,905	-18.4%	₩1M ($807)
2025-03-18	BUY	Market Buy	이윤규 Yun-gyu Lee	CEO	2.0K	₩2,800	-15.4%	₩6M ($4K)
2025-03-04	BUY	Market Buy	김남수 Namsu Kim	Managing Director	200	₩2,790	-15.1%	₩558K ($388)
2025-02-28	BUY	Market Buy	김남수 Namsu Kim	Managing Director	200	₩2,790	-15.1%	₩558K ($388)
2025-02-27	BUY	Market Buy	김남수 Namsu Kim	Managing Director	800	₩2,770	-14.4%	₩2M ($2K)
2025-02-19	BUY	Market Buy	전승륜 Seungryun Jeon	Managing Director	1.6K	₩2,735	-13.3%	₩4M ($3K)
2025-02-18	BUY	Market Buy	전승륜 Seungryun Jeon	Managing Director	423	₩2,835	-16.4%	₩1M ($833)
2025-02-14	BUY	Market Buy	전승륜 Seungryun Jeon	Managing Director	1.1K	₩2,780	-14.8%	₩3M ($2K)
2025-02-06	BUY	Market Buy	전승륜 Seungryun Jeon	Managing Director	937	₩3,035	-21.9%	₩3M ($2K)
2025-01-31	BUY	Market Buy	전승륜 Seungryun Jeon	Managing Director	2.0K	₩3,060	-22.6%	₩6M ($4K)
2025-01-23	BUY	Market Buy	김남수 Namsu Kim	Managing Director	1.0K	₩3,075	-22.9%	₩3M ($2K)
2024-12-27	BUY	Market Buy	이윤규 Yun-gyu Lee	CEO	3.0K	₩2,945	-19.5%	₩9M ($6K)
2024-12-19	BUY	Market Buy	김남수 Namsu Kim	Managing Director	750	₩2,735	-13.3%	₩2M ($1K)
2024-12-18	BUY	Market Buy	김남수 Namsu Kim	Managing Director	159	₩2,630	-9.9%	₩418K ($290)
2024-12-12	BUY	Market Buy	김남수 Namsu Kim	Managing Director	38	₩2,570	-7.8%	₩98K ($68)
2024-12-11	BUY	Market Buy	김남수 Namsu Kim	Managing Director	300	₩2,580	-8.1%	₩774K ($538)
2024-12-10	BUY	Market Buy	전승륜 Seungryun Jeon	Managing Director	1.0K	₩2,590	-8.5%	₩3M ($2K)
2024-12-10	BUY	Market Buy	김남수 Namsu Kim	Managing Director	757	₩2,590	-8.5%	₩2M ($1K)
2024-12-06	BUY	Market Buy	전승륜 Seungryun Jeon	Managing Director	984	₩2,510	-5.6%	₩2M ($2K)
2024-12-05	BUY	Market Buy	전승륜 Seungryun Jeon	Managing Director	16	₩2,540	-6.7%	₩41K ($28)
2024-11-25	BUY	Market Buy	김남수 Namsu Kim	Managing Director	1.8K	₩2,670	-11.2%	₩5M ($3K)
2024-11-05	BUY	Market Buy	김남수 Namsu Kim	Managing Director	313	₩3,040	-22.0%	₩952K ($661)
2024-10-29	BUY	Market Buy	김남수 Namsu Kim	Managing Director	300	₩3,055	-22.4%	₩917K ($636)
2024-10-28	BUY	Market Buy	김남수 Namsu Kim	Managing Director	1.0K	₩3,180	-25.5%	₩3M ($2K)
2024-10-25	BUY	Market Buy	김남수 Namsu Kim	Managing Director	543	₩3,225	-26.5%	₩2M ($1K)
2024-10-11	BUY	Market Buy	김남수 Namsu Kim	Managing Director	500	₩3,205	-26.1%	₩2M ($1K)
2024-10-10	BUY	Market Buy	김남수 Namsu Kim	Managing Director	700	₩3,250	-27.1%	₩2M ($2K)
2024-09-27	BUY	Market Buy	이윤규 Yun-gyu Lee	CEO	1.0K	₩3,380	-29.9%	₩3M ($2K)
2024-09-23	BUY	Market Buy	김남수 Namsu Kim	Managing Director	1.0K	₩3,385	-30.0%	₩3M ($2K)
2024-09-20	BUY	Market Buy	김남수 Namsu Kim	Managing Director	2.2K	₩3,500	-32.3%	₩8M ($5K)
2024-09-04	BUY	Market Buy	김남수 Namsu Kim	Managing Director	500	₩3,430	-30.9%	₩2M ($1K)
2024-09-03	BUY	Market Buy	김남수 Namsu Kim	Managing Director	1.1K	₩3,440	-31.1%	₩4M ($3K)
2024-09-02	BUY	Market Buy	김남수 Namsu Kim	Managing Director	900	₩3,545	-33.1%	₩3M ($2K)
2024-08-21	BUY	Market Buy	이윤규 Yun-gyu Lee	CEO	6.5K	₩3,580	-33.8%	₩23M ($16K)
2024-08-19	BUY	Market Buy	이윤규 Yun-gyu Lee	CEO	1.0K	₩3,495	-32.2%	₩3M ($2K)
2024-08-08	BUY	Market Buy	김남수 Namsu Kim	Managing Director	1.6K	₩3,280	-27.7%	₩5M ($4K)

Showing the 50 most recent of 69 filings.

Frequently asked questions

Who has been buying SUN&L stock?: 4 distinct insiders have filed 66 disclosed insider purchases in SUN&L (002820), most recently on 2026-01-19. 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 SUN&L have?: SUN&L has 66 buy-side and 0 sell-side disclosures on record, covering ₩294M ($204K) in total reported value, spanning 2024-04-03 to 2026-01-19.
Where does StockDrifts get SUN&L 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 SUN&L. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.