Who has been buying TLB stock?

5 distinct insiders have filed 3 disclosed insider purchases in TLB (356860), most recently on 2026-07-01. 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 TLB have?

TLB has 3 buy-side and 11 sell-side disclosures on record, covering ₩7.0B ($4.9M) in total reported value, spanning 2025-09-12 to 2026-07-01.

Where does StockDrifts get TLB 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.

TLB 356860

Company

티엘비TLB

Insiders

Buys

Total Value

₩7.0B ($4.9M)

Avg Return

+0.65%

Last Filing

2026-07-01

TLB (356860) has 3 disclosed insider purchases and 11 disclosed disposals on record, filed by 5 distinct insiders. Together those filings cover ₩7.0B ($4.9M) in reported transaction value. The earliest filing StockDrifts holds for TLB is dated 2025-09-12; the most recent is 2026-07-01. 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 +0.65%, 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
2026-07-31	BUY	PROGRAM	김철 Kim Cheol	Managing Director	2.0K	₩26,400	+6.3%	₩47M ($32K)
2026-07-30	BUY	PROGRAM	오정훈 Jeonghoon Oh	moving	1.0K	₩20,550	+36.5%	₩26M ($18K)
2026-07-20	BUY	PROGRAM	한현종 Hyeonjong Han	vice president	2.0K	₩33,350	-15.9%	₩67M ($46K)
2026-07-20	BUY	PROGRAM	김용현 Yonghyun Kim	Managing Director	2.8K	₩33,350	-15.9%	₩92M ($64K)
2026-07-20	BUY	PROGRAM	장성진 Seongjin Jang	moving	300	₩33,350	-15.9%	₩10M ($7K)
2026-07-20	BUY	PROGRAM	정재우 Jaewoo Jeong	vice president	1.3K	₩33,350	-15.9%	₩43M ($30K)
2026-07-20	BUY	PROGRAM	이세현 Lee Se-hyeon	vice president	386.0K	₩33,350	-15.9%	₩12.9B ($8.9M)
2026-07-20	BUY	PROGRAM	오정훈 Jeonghoon Oh	moving	233	₩33,350	-15.9%	₩8M ($5K)
2026-07-20	BUY	PROGRAM	지용수 Ji Yong Soo	Managing Director	29.7K	₩33,350	-15.9%	₩990M ($688K)
2026-07-20	BUY	PROGRAM	박상익 Sangik Park	moving	5.6K	₩33,350	-15.9%	₩187M ($130K)
2026-07-20	BUY	PROGRAM	백성현 Baek Seong-hyeon	CEO	1.9M	₩33,350	-15.9%	₩63.8B ($44.3M)
2026-07-20	BUY	PROGRAM	신원길 Shin Won-gil	moving	162	₩33,350	-15.9%	₩5M ($4K)
2026-07-20	BUY	PROGRAM	조승건 Seunggun Cho	president	340.0K	₩33,350	-15.9%	₩11.3B ($7.9M)
2026-07-20	BUY	PROGRAM	최민호 Minho Choi	Managing Director	49.0K	₩33,350	-15.9%	₩1.6B ($1.1M)
2026-07-16	BUY	PROGRAM	장성진 Seongjin Jang	moving	300	₩38,300	-24.5%	₩21M ($15K)
2026-07-15	BUY	PROGRAM	김용현 Yonghyun Kim	Managing Director	562	₩44,000	-34.3%	₩36M ($25K)
2026-07-15	SELL	기타	박상익 Sangik Park	moving	-3.7K	₩44,000	+34.3%	₩165M ($114K)
2026-07-15	SELL	기타	김용현 Yonghyun Kim	Managing Director	-469	₩44,000	+34.3%	₩21M ($14K)
2026-07-15	SELL	기타	백성현 Baek Seong-hyeon	CEO	-131.5K	₩44,000	+34.3%	₩5.8B ($4.0M)
2026-07-15	SELL	기타	신원길 Shin Won-gil	moving	-27	₩44,000	+34.3%	₩1M ($825)
2026-07-15	SELL	기타	오정훈 Jeonghoon Oh	moving	-42	₩44,000	+34.3%	₩2M ($1K)
2026-07-15	SELL	기타	이세현 Lee Se-hyeon	vice president	-10.0K	₩44,000	+34.3%	₩440M ($306K)
2026-07-15	SELL	기타	정재우 Jaewoo Jeong	vice president	-975	₩44,000	+34.3%	₩43M ($30K)
2026-07-15	SELL	기타	지용수 Ji Yong Soo	Managing Director	-6.4K	₩44,000	+34.3%	₩281M ($195K)
2026-07-15	BUY	PROGRAM	백성현 Baek Seong-hyeon	CEO	157.8K	₩44,000	-34.3%	₩10.1B ($7.0M)
2026-07-15	BUY	PROGRAM	신원길 Shin Won-gil	moving	32	₩44,000	-34.3%	₩2M ($1K)
2026-07-15	BUY	PROGRAM	오정훈 Jeonghoon Oh	moving	33	₩44,000	-34.3%	₩2M ($1K)
2026-07-15	BUY	PROGRAM	이세현 Lee Se-hyeon	vice president	10.0K	₩44,000	-34.3%	₩642M ($446K)
2026-07-15	BUY	PROGRAM	정재우 Jaewoo Jeong	vice president	1.2K	₩44,000	-34.3%	₩75M ($52K)
2026-07-15	BUY	PROGRAM	지용수 Ji Yong Soo	Managing Director	6.4K	₩44,000	-34.3%	₩411M ($285K)
2026-07-10	BUY	Market Buy	박상익 Sangik Park	moving	2.1K	₩37,814	-23.6%	₩131M ($91K)
2026-07-01	BUY	신규선임	정재우 Jaewoo Jeong	vice president	1.1K	₩81,300	-8.5%	₩89M ($62K)
2026-06-29	SELL	Market Sell	이세현 Lee Se-hyeon	vice president	-22.0K	₩75,900	+2.0%	₩1.7B ($1.2M)
2026-06-26	SELL	Market Sell	조승건 Seunggun Cho	president	-1.8K	₩76,600	+2.9%	₩136M ($95K)
2026-06-25	SELL	장외매도	이세현 Lee Se-hyeon	vice president	-30.0K	₩79,100	+5.9%	₩2.4B ($1.6M)
2026-06-25	SELL	Market Sell	최민호 Minho Choi	Managing Director	-10.4K	₩79,100	+5.9%	₩826M ($574K)
2026-06-25	SELL	Market Sell	조승건 Seunggun Cho	president	-29.9K	₩79,100	+5.9%	₩2.4B ($1.6M)
2026-06-23	SELL	장외매도	조승건 Seunggun Cho	president	-39.9K	₩80,000	+7.0%	₩3.2B ($2.2M)
2026-06-23	SELL	장외매도	이세현 Lee Se-hyeon	vice president	-17.2K	₩80,000	+7.0%	₩1.4B ($955K)
2026-06-23	BUY	장외매수	백성현 Baek Seong-hyeon	CEO	30.0K	₩80,000	-4.3%	₩2.4B ($1.7M)
2026-06-23	BUY	장외매수	박상익 Sangik Park	moving	3.0K	₩80,000	-7.0%	₩240M ($167K)
2026-06-23	SELL	장외매도	한현종 Hyeonjong Han	vice president	-426	₩80,000	+7.0%	₩34M ($24K)
2026-06-22	SELL	장외매도	조승건 Seunggun Cho	president	-1.0K	₩85,500	+13.0%	₩86M ($59K)
2026-06-22	SELL	장외매도	이세현 Lee Se-hyeon	vice president	-1.0K	₩85,500	+13.0%	₩86M ($59K)
2026-06-19	SELL	장외매도	백성현 Baek Seong-hyeon	CEO	-150.0K	₩86,700	+0.0%	₩13.0B ($9.0M)
2026-06-18	SELL	장외매도	백성현 Baek Seong-hyeon	CEO	-3.0K	₩90,100	+15.0%	₩270M ($188K)
2026-06-18	SELL	장외매도	백성현 Baek Seong-hyeon	CEO	-301.5K	₩90,100	+3.8%	₩27.2B ($18.9M)
2026-06-17	SELL	Market Sell	지용수 Ji Yong Soo	Managing Director	-1.7K	₩92,000	+5.8%	₩156M ($109K)
2026-06-16	SELL	Market Sell	지용수 Ji Yong Soo	Managing Director	-500	₩95,700	+9.4%	₩48M ($33K)
2026-06-15	SELL	Market Sell	지용수 Ji Yong Soo	Managing Director	-1.5K	₩101,400	+14.5%	₩152M ($106K)

Showing the 50 most recent of 72 filings.

Frequently asked questions

Who has been buying TLB stock?: 5 distinct insiders have filed 3 disclosed insider purchases in TLB (356860), most recently on 2026-07-01. 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 TLB have?: TLB has 3 buy-side and 11 sell-side disclosures on record, covering ₩7.0B ($4.9M) in total reported value, spanning 2025-09-12 to 2026-07-01.
Where does StockDrifts get TLB 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 TLB. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.