Who has been buying TL Engineering stock?

2 distinct insiders have filed 20 disclosed insider purchases in TL Engineering (413300), most recently on 2026-03-13. 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 TL Engineering have?

TL Engineering has 20 buy-side and 14 sell-side disclosures on record, covering ₩4M ($2K) in total reported value, spanning 2024-11-20 to 2026-03-13.

Where does StockDrifts get TL Engineering 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.

TL Engineering 413300

Company

티엘엔지니어링TL Engineering

Insiders

Buys

Total Value

₩4M ($2K)

Avg Return

+33.35%

Last Filing

2026-03-13

TL Engineering (413300) has 20 disclosed insider purchases and 14 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩4M ($2K) in reported transaction value. The earliest filing StockDrifts holds for TL Engineering is dated 2024-11-20; the most recent is 2026-03-13. 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 +33.35%, 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
2026-03-13	SELL	증여	이문상 Moonsang Lee	torture	-23.0K	-	-	-
2025-07-17	BUY	장외매수	이문상 Moonsang Lee	torture	23.0K	₩2,520	-1.2%	₩58M ($40K)
2025-07-14	BUY	Market Buy	김종표 Jongpyo Kim	moving	1	₩2,620	-5.0%	₩3K ($2)
2025-07-14	SELL	Market Sell	김종표 Jongpyo Kim	moving	-60	₩2,620	+5.0%	₩157K ($109)
2025-07-09	BUY	Market Buy	김종표 Jongpyo Kim	moving	1	₩2,600	-4.2%	₩3K ($2)
2025-07-09	SELL	Market Sell	김종표 Jongpyo Kim	moving	-10	₩2,600	+4.2%	₩26K ($18)
2025-07-09	SELL	Market Sell	김종표 Jongpyo Kim	moving	-200	₩2,600	+4.2%	₩520K ($361)
2025-06-19	SELL	Market Sell	김종표 Jongpyo Kim	moving	-100	₩2,100	-18.6%	₩210K ($146)
2025-06-19	BUY	Market Buy	김종표 Jongpyo Kim	moving	1	₩2,100	+18.6%	₩2K ($1)
2025-06-12	SELL	Market Sell	김종표 Jongpyo Kim	moving	-100	₩1,949	-27.8%	₩195K ($135)
2025-06-12	BUY	Market Buy	김종표 Jongpyo Kim	moving	1	₩1,949	+27.8%	₩2K ($1)
2025-05-12	SELL	Market Sell	김종표 Jongpyo Kim	moving	-200	₩1,712	-45.4%	₩342K ($238)
2025-05-09	BUY	Market Buy	김종표 Jongpyo Kim	moving	1	₩1,490	+67.1%	₩1K ($1)
2025-05-09	SELL	Market Sell	김종표 Jongpyo Kim	moving	-100	₩1,490	-67.1%	₩149K ($103)
2025-04-17	SELL	Market Sell	김종표 Jongpyo Kim	moving	-120	₩1,059	-135.1%	₩127K ($88)
2025-04-17	BUY	Market Buy	김종표 Jongpyo Kim	moving	1	₩1,059	+135.1%	₩1K ($1)
2025-04-14	SELL	Market Sell	김종표 Jongpyo Kim	moving	-100	₩1,000	-149.0%	₩100K ($69)
2025-04-08	SELL	Market Sell	김종표 Jongpyo Kim	moving	-10	₩1,105	-125.3%	₩11K ($8)
2025-04-03	SELL	Market Sell	김종표 Jongpyo Kim	moving	-308	₩793	-214.0%	₩244K ($170)
2025-03-26	SELL	Market Sell	김종표 Jongpyo Kim	moving	-30	₩999	-149.3%	₩30K ($21)
2025-03-26	BUY	Market Buy	김우철 Woocheol Kim	Managing Director	60	₩999	+149.3%	₩60K ($42)
2025-03-25	SELL	Market Sell	김종표 Jongpyo Kim	moving	-10	₩1,000	-149.0%	₩10K ($7)
2025-03-25	BUY	Market Buy	김우철 Woocheol Kim	Managing Director	12	₩1,000	+149.0%	₩12K ($8)
2025-03-21	BUY	Market Buy	김우철 Woocheol Kim	Managing Director	1	₩1,009	+146.8%	₩1K ($1)
2025-03-20	BUY	Market Buy	김우철 Woocheol Kim	Managing Director	1	₩1,091	+128.2%	₩1K ($1)
2025-03-19	BUY	Market Buy	김우철 Woocheol Kim	Managing Director	1	₩950	+162.1%	₩950 ($1)
2025-03-18	SELL	Market Sell	김우철 Woocheol Kim	Managing Director	-1	₩949	-162.4%	₩949 ($1)
2025-03-18	BUY	Market Buy	김우철 Woocheol Kim	Managing Director	421	₩949	+162.4%	₩400K ($277)
2025-03-17	BUY	Market Buy	김우철 Woocheol Kim	Managing Director	13	₩997	+149.8%	₩13K ($9)
2025-03-14	BUY	Market Buy	김우철 Woocheol Kim	Managing Director	76	₩999	+149.3%	₩76K ($53)
2025-03-13	BUY	Market Buy	김우철 Woocheol Kim	Managing Director	43	₩980	+154.1%	₩42K ($29)
2025-03-12	BUY	Market Buy	김우철 Woocheol Kim	Managing Director	5	₩970	+156.7%	₩5K ($3)
2025-03-11	BUY	Market Buy	김우철 Woocheol Kim	Managing Director	1	₩900	+176.7%	₩900 ($1)
2025-03-10	BUY	Market Buy	김우철 Woocheol Kim	Managing Director	160	₩948	+162.7%	₩152K ($105)
2025-03-07	BUY	Market Buy	김우철 Woocheol Kim	Managing Director	11	₩1,000	+149.0%	₩11K ($8)
2025-02-11	BUY	Market Buy	김우철 Woocheol Kim	Managing Director	610	₩1,091	+128.2%	₩666K ($462)
2024-11-20	BUY	제3자배정유상증자	김동원 Kim Dong-won	vice president	14.0K	₩600	+315.0%	₩8M ($6K)
2024-11-20	BUY	제3자배정유상증자	서충옥 Seo Chung-ok	CEO	32.0K	₩600	+315.0%	₩19M ($13K)

Frequently asked questions

Who has been buying TL Engineering stock?: 2 distinct insiders have filed 20 disclosed insider purchases in TL Engineering (413300), most recently on 2026-03-13. 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 TL Engineering have?: TL Engineering has 20 buy-side and 14 sell-side disclosures on record, covering ₩4M ($2K) in total reported value, spanning 2024-11-20 to 2026-03-13.
Where does StockDrifts get TL Engineering 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 TL Engineering. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.