Who has been buying T3 stock?

4 distinct insiders have filed 37 disclosed insider purchases in T3 (204610), most recently on 2026-03-10. 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 T3 have?

T3 has 37 buy-side and 0 sell-side disclosures on record, covering ₩906M ($629K) in total reported value, spanning 2024-04-30 to 2026-03-10.

Where does StockDrifts get T3 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.

T3 204610

Company

티쓰리T3

Insiders

Buys

Total Value

₩906M ($629K)

Avg Return

+32.13%

Last Filing

2026-03-10

T3 (204610) has 37 disclosed insider purchases and 0 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩906M ($629K) in reported transaction value. The earliest filing StockDrifts holds for T3 is dated 2024-04-30; the most recent is 2026-03-10. 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 +32.13%, 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
2026-03-10	BUY	주식매수선택권	정진호 Jinho Jeong	moving	150.0K	-	-	-
2026-02-19	BUY	Market Buy	임기현 Lim Kihyun	moving	2.0K	₩1,925	+16.4%	₩4M ($3K)
2026-02-12	BUY	Market Buy	임기현 Lim Kihyun	moving	5.0K	₩1,880	+19.1%	₩9M ($7K)
2026-02-10	BUY	Market Buy	홍민균 Minkyun Hong	CEO	21.1K	₩1,823	+22.9%	₩39M ($27K)
2026-02-02	BUY	신규선임	임기현 Lim Kihyun	moving	23.0K	₩1,981	+13.1%	₩46M ($32K)
2026-01-29	BUY	Market Buy	홍민균 Minkyun Hong	CEO	20.0K	₩1,883	+19.0%	₩38M ($26K)
2026-01-21	BUY	Market Buy	정진호 Jinho Jeong	moving	5.0K	₩1,935	+15.8%	₩10M ($7K)
2026-01-08	BUY	Market Buy	홍민균 Minkyun Hong	CEO	60.0K	₩1,669	+34.2%	₩100M ($70K)
2025-12-23	SELL	증여	홍민균 Minkyun Hong	CEO	-40.0K	₩1,868	-19.9%	₩75M ($52K)
2025-12-23	SELL	증여	홍민균 Minkyun Hong	CEO	-40.0K	₩1,868	-19.9%	₩75M ($52K)
2025-09-29	BUY	Market Buy	정진호 Jinho Jeong	moving	2.0K	₩1,967	+13.9%	₩4M ($3K)
2025-09-19	BUY	Market Buy	정진호 Jinho Jeong	moving	4.0K	₩2,100	+6.7%	₩8M ($6K)
2025-09-04	BUY	Market Buy	홍민균 Minkyun Hong	CEO	10.0K	₩2,125	+5.4%	₩21M ($15K)
2025-06-19	BUY	Market Buy	홍민균 Minkyun Hong	CEO	32.0K	₩2,110	+6.2%	₩68M ($47K)
2025-06-18	BUY	Market Buy	홍민균 Minkyun Hong	CEO	10.0K	₩2,060	+8.7%	₩21M ($14K)
2025-06-13	BUY	Market Buy	홍민균 Minkyun Hong	CEO	15.0K	₩2,035	+10.1%	₩31M ($21K)
2025-06-04	BUY	Market Buy	서비호 Seo Bi-ho	moving	10.0K	₩2,005	+11.7%	₩20M ($14K)
2025-05-28	BUY	Market Buy	정진호 Jinho Jeong	moving	6.0K	₩1,931	+16.0%	₩12M ($8K)
2025-05-27	BUY	Market Buy	홍민균 Minkyun Hong	CEO	6.0K	₩1,969	+13.8%	₩12M ($8K)
2025-05-23	BUY	Market Buy	홍민균 Minkyun Hong	CEO	34.0K	₩1,879	+19.2%	₩64M ($44K)
2025-05-22	SELL	시간외매매	김기영 Kiyoung Kim	-	-4.5M	₩1,898	-18.0%	₩8.5B ($5.9M)
2025-05-20	SELL	증여	김기영 Kiyoung Kim	-	-350.0K	₩1,731	-29.4%	₩606M ($421K)
2025-05-20	SELL	증여	김기영 Kiyoung Kim	-	-500.0K	₩1,731	-29.4%	₩866M ($601K)
2025-04-28	BUY	Market Buy	홍민균 Minkyun Hong	CEO	10.0K	₩1,697	+32.0%	₩17M ($12K)
2025-04-25	BUY	Market Buy	홍민균 Minkyun Hong	CEO	6.0K	₩1,663	+34.7%	₩10M ($7K)
2025-04-24	BUY	Market Buy	홍민균 Minkyun Hong	CEO	24.0K	₩1,670	+34.1%	₩40M ($28K)
2025-04-23	BUY	Market Buy	홍민균 Minkyun Hong	CEO	28.0K	₩1,665	+34.5%	₩47M ($32K)
2025-04-22	BUY	Market Buy	홍민균 Minkyun Hong	CEO	5.0K	₩1,661	+34.9%	₩8M ($6K)
2025-04-21	BUY	Market Buy	홍민균 Minkyun Hong	CEO	30.0K	₩1,633	+37.2%	₩49M ($34K)
2025-04-11	BUY	Market Buy	홍민균 Minkyun Hong	CEO	5.0K	₩1,634	+37.1%	₩8M ($6K)
2025-04-10	BUY	Market Buy	홍민균 Minkyun Hong	CEO	5.0K	₩1,648	+35.9%	₩8M ($6K)
2025-04-09	BUY	Market Buy	홍민균 Minkyun Hong	CEO	5.0K	₩1,559	+43.7%	₩8M ($5K)
2025-04-08	BUY	Market Buy	홍민균 Minkyun Hong	CEO	5.0K	₩1,565	+43.1%	₩8M ($5K)
2025-04-07	BUY	Market Buy	홍민균 Minkyun Hong	CEO	7.0K	₩1,596	+40.4%	₩11M ($8K)
2025-02-27	BUY	Market Buy	홍민균 Minkyun Hong	CEO	23.0K	₩1,785	+25.5%	₩41M ($29K)
2025-02-26	BUY	Market Buy	서비호 Seo Bi-ho	moving	6.0K	₩1,783	+25.6%	₩11M ($7K)
2025-02-25	BUY	Market Buy	홍민균 Minkyun Hong	CEO	30.0K	₩1,764	+27.0%	₩53M ($37K)
2025-01-10	BUY	Market Buy	홍민균 Minkyun Hong	CEO	30.0K	₩1,695	+32.1%	₩51M ($35K)
2024-12-02	BUY	Market Buy	정진호 Jinho Jeong	moving	5.0K	₩1,553	+44.2%	₩8M ($5K)
2024-11-27	BUY	Market Buy	홍민균 Minkyun Hong	CEO	10.0K	₩1,454	+54.1%	₩15M ($10K)
2024-10-16	BUY	Market Buy	홍민균 Minkyun Hong	CEO	10.0K	₩1,338	+67.4%	₩13M ($9K)
2024-09-12	BUY	Market Buy	홍민균 Minkyun Hong	CEO	10.0K	₩1,206	+85.7%	₩12M ($8K)
2024-05-07	BUY	Market Buy	홍민균 Minkyun Hong	CEO	10.0K	₩1,180	+89.8%	₩12M ($8K)
2024-04-30	BUY	Market Buy	홍민균 Minkyun Hong	CEO	15.0K	₩1,173	+91.0%	₩18M ($12K)

Frequently asked questions

Who has been buying T3 stock?: 4 distinct insiders have filed 37 disclosed insider purchases in T3 (204610), most recently on 2026-03-10. 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 T3 have?: T3 has 37 buy-side and 0 sell-side disclosures on record, covering ₩906M ($629K) in total reported value, spanning 2024-04-30 to 2026-03-10.
Where does StockDrifts get T3 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 T3. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.