Who has been buying Chai Communication stock?

1 distinct insiders have filed 0 disclosed insider purchases in Chai Communication (351870), most recently on 2026-06-18. 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 Chai Communication have?

Chai Communication has 0 buy-side and 6 sell-side disclosures on record, covering ₩7.0B ($4.9M) in total reported value, spanning 2024-09-27 to 2026-06-18.

Where does StockDrifts get Chai Communication 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.

Chai Communication 351870

Company

차이커뮤니케이션Chai Communication

Insiders

Buys

Total Value

₩7.0B ($4.9M)

Avg Return

+62.12%

Last Filing

2026-06-18

Chai Communication (351870) has 0 disclosed insider purchases and 6 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩7.0B ($4.9M) in reported transaction value. The earliest filing StockDrifts holds for Chai Communication is dated 2024-09-27; the most recent is 2026-06-18. 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 +62.12%, 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
2026-07-30	SELL	증여	최영섭 Youngseop Choi	CEO	-702.3K	₩1,625	+0.6%	₩1.1B ($793K)
2026-07-30	BUY	수증	임지훈 Jihoon Lim	Managing Director	68.2K	₩1,625	-0.6%	₩111M ($77K)
2026-07-30	BUY	수증	최승호 Seungho Choi	Managing Director	154.4K	₩1,625	-0.6%	₩251M ($174K)
2026-07-30	BUY	수증	이연호 Yeonho Lee	Managing Director	154.4K	₩1,625	-0.6%	₩251M ($174K)
2026-07-30	BUY	수증	송기훈 Song Ki-hoon	CTO	77.4K	₩1,625	-0.6%	₩126M ($87K)
2026-07-30	BUY	수증	김용현 Yonghyun Kim	CPO	211.8K	₩1,625	-0.6%	₩344M ($239K)
2026-06-18	BUY	증여취소	최영섭 Youngseop Choi	CEO	702.3K	₩2,440	-3.7%	₩1.7B ($1.2M)
2026-06-18	SELL	수증취소	김용현 Yonghyun Kim	CPO	-211.8K	₩2,440	+3.7%	₩517M ($359K)
2026-06-18	SELL	수증취소	최승호 Seungho Choi	Managing Director	-154.4K	₩2,440	+3.7%	₩377M ($262K)
2026-06-18	SELL	수증취소	이연호 Yeonho Lee	Managing Director	-154.4K	₩2,440	+3.7%	₩377M ($262K)
2026-06-18	SELL	수증취소	송기훈 Song Ki-hoon	CTO	-77.4K	₩2,440	+3.7%	₩189M ($131K)
2026-06-18	SELL	수증취소	임지훈 Jihoon Lim	Managing Director	-68.2K	₩2,440	+3.7%	₩166M ($116K)
2026-03-30	BUY	수증	송기훈 Song Ki-hoon	CTO	77.4K	₩3,945	+3.9%	₩305M ($212K)
2026-03-30	BUY	수증	최승호 Seungho Choi	Managing Director	154.4K	₩3,945	+3.9%	₩609M ($423K)
2026-03-30	BUY	수증	이연호 Yeonho Lee	Managing Director	154.4K	₩3,945	+3.9%	₩609M ($423K)
2026-03-30	BUY	수증	김용현 Yonghyun Kim	CPO	211.8K	₩3,945	+3.9%	₩836M ($580K)
2026-03-30	BUY	수증	임지훈 Jihoon Lim	Managing Director	68.2K	₩3,945	+3.9%	₩269M ($187K)
2026-03-30	SELL	증여	최영섭 Youngseop Choi	CEO	-856.7K	₩3,945	-3.9%	₩3.4B ($2.3M)
2025-01-22	SELL	Market Sell	케이씨삼호투자 KC Samho Investment	-	-6.1K	₩12,050	+63.6%	₩74M ($51K)
2025-01-16	SELL	Market Sell	케이씨삼호투자 KC Samho Investment	-	-215.0K	₩12,980	+66.3%	₩2.8B ($1.9M)
2024-12-26	SELL	Market Sell	케이씨삼호투자 KC Samho Investment	-	-121.7K	₩10,770	+59.3%	₩1.3B ($910K)
2024-12-04	SELL	Market Sell	케이씨삼호투자 KC Samho Investment	-	-267.0K	₩10,310	+57.5%	₩2.8B ($1.9M)
2024-12-03	SELL	Market Sell	케이씨삼호투자 KC Samho Investment	-	-6.2K	₩11,880	+63.1%	₩74M ($51K)
2024-12-02	SELL	Market Sell	케이씨삼호투자 KC Samho Investment	-	-4.0K	₩11,780	+62.8%	₩47M ($33K)
2024-09-27	BUY	신규상장	최영섭 Youngseop Choi	CEO	7.1M	₩22,250	-80.3%	₩157.2B ($109.1M)
2024-09-27	BUY	신규상장	김연희 Yeonhee Kim	Managing Director	272.0K	₩22,250	-80.3%	₩6.1B ($4.2M)
2024-09-27	BUY	신규상장	케이씨삼호투자 KC Samho Investment	-	2.6M	₩22,250	-80.3%	₩58.1B ($40.3M)

Frequently asked questions

Who has been buying Chai Communication stock?: 1 distinct insiders have filed 0 disclosed insider purchases in Chai Communication (351870), most recently on 2026-06-18. 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 Chai Communication have?: Chai Communication has 0 buy-side and 6 sell-side disclosures on record, covering ₩7.0B ($4.9M) in total reported value, spanning 2024-09-27 to 2026-06-18.
Where does StockDrifts get Chai Communication 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 Chai Communication. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.