Who has been buying T-Flex stock?

3 distinct insiders have filed 36 disclosed insider purchases in T-Flex (081150), most recently on 2026-05-08. 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 T-Flex have?

T-Flex has 36 buy-side and 1 sell-side disclosures on record, covering ₩4.2B ($2.9M) in total reported value, spanning 2024-03-29 to 2026-05-08.

Where does StockDrifts get T-Flex 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.

T-Flex 081150

Company

티플랙스T-Flex

Insiders

Buys

Total Value

₩4.2B ($2.9M)

Avg Return

+5.83%

Last Filing

2026-05-08

T-Flex (081150) has 36 disclosed insider purchases and 1 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩4.2B ($2.9M) in reported transaction value. The earliest filing StockDrifts holds for T-Flex is dated 2024-03-29; the most recent is 2026-05-08. 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 +5.83%, 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
2026-05-08	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	35.0K	₩3,540	+20.8%	₩124M ($86K)
2026-05-07	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	2.0K	₩3,620	+18.1%	₩7M ($5K)
2026-05-07	BUY	Market Buy	김영국 Kim Young-guk	CEO	55.0K	₩3,620	+18.1%	₩199M ($138K)
2026-05-06	BUY	Market Buy	김영국 Kim Young-guk	CEO	55.0K	₩3,530	+21.1%	₩194M ($135K)
2026-05-06	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	17.4K	₩3,530	+21.1%	₩61M ($43K)
2026-05-04	BUY	Market Buy	김영국 Kim Young-guk	CEO	45.0K	₩3,660	+16.8%	₩165M ($114K)
2026-04-30	BUY	Market Buy	김영국 Kim Young-guk	CEO	29.0K	₩3,655	+17.0%	₩106M ($74K)
2026-04-29	BUY	Market Buy	김영국 Kim Young-guk	CEO	30.0K	₩3,700	+15.5%	₩111M ($77K)
2026-02-03	SELL	증여	김태수 Kim Tae-soo	Honorary Chairman	-1.7M	₩3,045	-3.6%	₩5.1B ($3.5M)
2026-02-03	BUY	수증	김영남 Youngnam Kim	Managing Director	1.7M	₩3,045	+3.6%	₩5.1B ($3.5M)
2025-12-24	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	12.3K	₩2,835	+11.3%	₩35M ($24K)
2025-08-01	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	78.9K	₩3,200	-1.4%	₩252M ($175K)
2025-07-29	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	15.0K	₩3,285	-4.0%	₩49M ($34K)
2025-07-28	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	15.0K	₩3,260	-3.2%	₩49M ($34K)
2025-07-16	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	15.0K	₩3,380	-6.7%	₩51M ($35K)
2025-07-14	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	17.0K	₩3,420	-7.8%	₩58M ($40K)
2025-07-11	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	4.0K	₩3,470	-9.1%	₩14M ($10K)
2025-07-10	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	7.4K	₩3,450	-8.6%	₩25M ($18K)
2024-07-11	SELL	증여	김영국 Kim Young-guk	CEO	-1.7M	₩3,030	-4.1%	₩5.1B ($3.6M)
2024-07-11	BUY	수증	김태섭 Kim Tae-seop	CEO	1.7M	₩3,030	+4.1%	₩5.1B ($3.6M)
2024-07-09	BUY	Market Buy	김영남 Youngnam Kim	Managing Director	53.0K	₩3,140	+0.5%	₩166M ($116K)
2024-07-08	BUY	Market Buy	김영남 Youngnam Kim	Managing Director	57.0K	₩3,080	+2.4%	₩176M ($122K)
2024-07-05	BUY	Market Buy	김영남 Youngnam Kim	Managing Director	45.0K	₩3,020	+4.5%	₩136M ($94K)
2024-07-05	SELL	Market Sell	김영남 Youngnam Kim	Managing Director	-1.0K	₩3,020	-4.5%	₩3M ($2K)
2024-07-04	BUY	Market Buy	김영남 Youngnam Kim	Managing Director	43.5K	₩3,015	+4.6%	₩131M ($91K)
2024-07-03	BUY	Market Buy	김영남 Youngnam Kim	Managing Director	29.5K	₩3,015	+4.6%	₩89M ($62K)
2024-07-03	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	39.8K	₩3,015	+4.6%	₩120M ($83K)
2024-07-02	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	63.0K	₩3,065	+2.9%	₩193M ($134K)
2024-07-01	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	40.0K	₩3,040	+3.8%	₩122M ($84K)
2024-06-28	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	65.0K	₩2,995	+5.3%	₩195M ($135K)
2024-06-27	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	52.0K	₩3,005	+5.0%	₩156M ($109K)
2024-06-26	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	54.0K	₩3,020	+4.5%	₩163M ($113K)
2024-06-25	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	60.0K	₩3,035	+4.0%	₩182M ($126K)
2024-06-24	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	26.0K	₩2,980	+5.9%	₩77M ($54K)
2024-06-21	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	48.5K	₩2,975	+6.0%	₩144M ($100K)
2024-06-20	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	27.0K	₩2,975	+6.0%	₩80M ($56K)
2024-06-19	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	51.0K	₩2,935	+7.5%	₩150M ($104K)
2024-06-18	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	40.0K	₩2,960	+6.6%	₩118M ($82K)
2024-06-17	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	44.0K	₩2,940	+7.3%	₩129M ($90K)
2024-06-14	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	41.0K	₩2,935	+7.5%	₩120M ($84K)
2024-06-13	BUY	Market Buy	김태섭 Kim Tae-seop	CEO	20.0K	₩2,940	+7.3%	₩59M ($41K)
2024-03-29	BUY	신규선임	김영남 Youngnam Kim	Managing Director	29.0K	₩2,910	+8.4%	₩84M ($59K)

Frequently asked questions

Who has been buying T-Flex stock?: 3 distinct insiders have filed 36 disclosed insider purchases in T-Flex (081150), most recently on 2026-05-08. 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 T-Flex have?: T-Flex has 36 buy-side and 1 sell-side disclosures on record, covering ₩4.2B ($2.9M) in total reported value, spanning 2024-03-29 to 2026-05-08.
Where does StockDrifts get T-Flex 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 T-Flex. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.