Who has been buying Ink Tech stock?

2 distinct insiders have filed 60 disclosed insider purchases in Ink Tech (049550), most recently on 2026-04-27. 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 Ink Tech have?

Ink Tech has 60 buy-side and 1 sell-side disclosures on record, covering ₩1.7B ($1.2M) in total reported value, spanning 2024-04-04 to 2026-04-27.

Where does StockDrifts get Ink Tech 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.

Ink Tech 049550

Company

잉크테크Ink Tech

Insiders

Buys

Total Value

₩1.7B ($1.2M)

Avg Return

-4.53%

Last Filing

2026-04-27

Ink Tech (049550) has 60 disclosed insider purchases and 1 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩1.7B ($1.2M) in reported transaction value. The earliest filing StockDrifts holds for Ink Tech is dated 2024-04-04; the most recent is 2026-04-27. 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 -4.53%, 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
2026-08-03	BUY	Market Buy	김정돈 Kim Jeong-don	CEO	247	₩3,325	+0.1%	₩741K ($515)
2026-07-31	BUY	Market Buy	김정돈 Kim Jeong-don	CEO	10.0K	₩3,210	+3.7%	₩30M ($21K)
2026-07-30	BUY	신규주요주주	대솔아이엔티 Daesol I&T	-	1.2M	₩3,100	+3.5%	₩4.5B ($3.1M)
2026-07-30	BUY	시간외매매	대솔아이엔티 Daesol I&T	-	890.0K	₩3,100	+3.5%	₩2.8B ($1.9M)
2026-07-23	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	8.5K	₩3,045	+5.1%	₩25M ($18K)
2026-07-22	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	7.0K	₩3,000	+6.7%	₩21M ($15K)
2026-04-27	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	30.3K	₩3,470	+8.5%	₩105M ($73K)
2026-04-02	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	9.7K	₩3,225	+5.4%	₩31M ($22K)
2026-03-11	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	2.4K	₩3,135	+3.4%	₩8M ($5K)
2026-03-06	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	5.8K	₩3,195	+1.4%	₩19M ($13K)
2026-01-28	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	10.0K	₩3,780	-14.3%	₩38M ($26K)
2026-01-21	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	10.0K	₩2,910	+11.3%	₩29M ($20K)
2026-01-15	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	9.6K	₩2,970	+9.1%	₩29M ($20K)
2026-01-14	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	10.0K	₩3,000	+8.0%	₩30M ($21K)
2026-01-07	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	9.9K	₩3,130	+3.5%	₩31M ($21K)
2026-01-02	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	355	₩3,190	+1.6%	₩1M ($786)
2025-12-30	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	2.4K	₩3,215	+0.8%	₩8M ($5K)
2025-12-18	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	5.1K	₩3,200	+1.3%	₩16M ($11K)
2025-12-15	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	2.2K	₩3,230	+0.3%	₩7M ($5K)
2025-12-11	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	3.4K	₩3,235	+0.1%	₩11M ($8K)
2025-11-10	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	7.0K	₩2,960	+9.5%	₩21M ($14K)
2025-11-06	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	4.2K	₩3,000	+8.0%	₩13M ($9K)
2025-11-05	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	8.1K	₩2,900	+11.7%	₩24M ($16K)
2025-11-04	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	2.6K	₩2,940	+10.2%	₩8M ($5K)
2025-10-13	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	6.7K	₩3,090	+4.8%	₩21M ($14K)
2025-09-30	BUY	Market Buy	김평수 Kim Pyeong-su	president	2.8K	₩3,065	+5.7%	₩8M ($6K)
2025-09-19	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	3.1K	₩3,070	+5.5%	₩10M ($7K)
2025-09-16	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	22	₩3,090	+4.8%	₩68K ($47)
2025-09-16	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	1.0K	₩3,090	+4.8%	₩3M ($2K)
2025-09-11	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	6.6K	₩3,110	+4.2%	₩21M ($14K)
2025-08-29	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	268	₩3,130	+3.5%	₩839K ($583)
2025-08-28	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	13.0K	₩3,120	+3.9%	₩40M ($28K)
2025-08-22	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	20.0K	₩3,160	+2.5%	₩63M ($44K)
2025-08-05	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	10.0K	₩3,195	+1.4%	₩32M ($22K)
2025-08-04	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	20.0K	₩3,220	+0.6%	₩64M ($45K)
2025-08-01	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	10.0K	₩3,215	+0.8%	₩32M ($22K)
2025-07-31	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	10.0K	₩3,155	+2.7%	₩32M ($22K)
2025-07-30	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	10.0K	₩3,190	+1.6%	₩32M ($22K)
2025-03-07	SELL	Market Sell	김평수 Kim Pyeong-su	president	-2.8K	₩3,820	+15.2%	₩11M ($7K)
2025-01-06	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	10.0K	₩3,680	-12.0%	₩37M ($26K)
2024-12-11	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	1.7K	₩3,645	-11.1%	₩6M ($4K)
2024-12-05	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	5.0K	₩3,595	-9.9%	₩18M ($12K)
2024-12-04	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	2.9K	₩3,650	-11.2%	₩10M ($7K)
2024-12-03	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	875	₩3,665	-11.6%	₩3M ($2K)
2024-11-27	BUY	Market Buy	김평수 Kim Pyeong-su	president	18.7K	₩3,765	-13.9%	₩71M ($49K)
2024-11-27	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	20.0K	₩3,765	-13.9%	₩75M ($52K)
2024-11-26	BUY	Market Buy	김평수 Kim Pyeong-su	president	6.3K	₩3,730	-13.1%	₩23M ($16K)
2024-11-25	BUY	Market Buy	김평수 Kim Pyeong-su	president	3.0K	₩3,660	-11.5%	₩11M ($8K)
2024-11-22	BUY	Market Buy	김평수 Kim Pyeong-su	president	2.0K	₩3,660	-11.5%	₩7M ($5K)
2024-11-11	BUY	Market Buy	김정돈 Kim Jeong-don	Internal director	20.0K	₩3,790	-14.5%	₩76M ($53K)

Showing the 50 most recent of 69 filings.

Frequently asked questions

Who has been buying Ink Tech stock?: 2 distinct insiders have filed 60 disclosed insider purchases in Ink Tech (049550), most recently on 2026-04-27. 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 Ink Tech have?: Ink Tech has 60 buy-side and 1 sell-side disclosures on record, covering ₩1.7B ($1.2M) in total reported value, spanning 2024-04-04 to 2026-04-27.
Where does StockDrifts get Ink Tech 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 Ink Tech. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.