Who has been buying Business on Communication stock?

1 distinct insiders have filed 39 disclosed insider purchases in Business on Communication (138580), most recently on 2024-11-08. 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 Business on Communication have?

Business on Communication has 39 buy-side and 0 sell-side disclosures on record, covering ₩10.2B ($7.1M) in total reported value, spanning 2024-09-04 to 2024-11-08.

Where does StockDrifts get Business on 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.

Business on Communication 138580

Company

비즈니스온커뮤니케이션Business on Communication

Insiders

Buys

Total Value

₩10.2B ($7.1M)

Avg Return

-0.04%

Last Filing

2024-11-08

Business on Communication (138580) has 39 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩10.2B ($7.1M) in reported transaction value. The earliest filing StockDrifts holds for Business on Communication is dated 2024-09-04; the most recent is 2024-11-08. 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 -0.04%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

No price data available

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2024-11-08	BUY	교환	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	135.0K	₩15,850	+0.0%	₩2.1B ($1.5M)
2024-11-07	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	3.3K	₩15,850	+0.0%	₩52M ($36K)
2024-11-06	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	2.1K	₩15,850	+0.0%	₩34M ($24K)
2024-11-05	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	719	₩15,850	+0.0%	₩11M ($8K)
2024-11-04	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	215	₩15,880	-0.2%	₩3M ($2K)
2024-11-01	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	1.7K	₩15,850	+0.0%	₩27M ($19K)
2024-10-31	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	541	₩15,850	+0.0%	₩9M ($6K)
2024-10-30	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	2.1K	₩15,950	-0.6%	₩33M ($23K)
2024-10-29	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	1.8K	₩15,850	+0.0%	₩29M ($20K)
2024-10-28	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	1.6K	₩15,850	+0.0%	₩26M ($18K)
2024-10-25	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	2.0K	₩15,850	+0.0%	₩32M ($22K)
2024-10-24	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	22.4K	₩15,870	-0.1%	₩355M ($246K)
2024-10-23	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	2.6K	₩15,850	+0.0%	₩41M ($28K)
2024-10-22	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	6.7K	₩15,850	+0.0%	₩106M ($74K)
2024-10-21	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	1.3K	₩15,850	+0.0%	₩21M ($15K)
2024-10-18	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	152	₩15,850	+0.0%	₩2M ($2K)
2024-10-17	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	575	₩15,850	+0.0%	₩9M ($6K)
2024-10-16	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	440	₩15,850	+0.0%	₩7M ($5K)
2024-10-15	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	948	₩15,860	-0.1%	₩15M ($10K)
2024-10-14	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	1.5K	₩15,860	-0.1%	₩23M ($16K)
2024-10-11	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	1.0K	₩15,850	+0.0%	₩17M ($11K)
2024-10-10	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	6.0K	₩15,850	+0.0%	₩95M ($66K)
2024-10-08	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	3.7K	₩15,850	+0.0%	₩58M ($40K)
2024-10-07	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	1.6K	₩15,850	+0.0%	₩25M ($18K)
2024-10-04	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	18.6K	₩15,850	+0.0%	₩295M ($205K)
2024-10-02	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	6.7K	₩15,850	+0.0%	₩107M ($74K)
2024-09-30	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	12.3K	₩15,850	+0.0%	₩195M ($136K)
2024-09-27	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	4.7K	₩15,850	+0.0%	₩75M ($52K)
2024-09-26	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	19.8K	₩15,850	+0.0%	₩314M ($218K)
2024-09-25	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	10.9K	₩15,850	+0.0%	₩172M ($120K)
2024-09-24	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	546	₩15,850	+0.0%	₩9M ($6K)
2024-09-23	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	5.6K	₩15,850	+0.0%	₩89M ($62K)
2024-09-20	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	7.0K	₩15,880	-0.2%	₩112M ($78K)
2024-09-19	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	14.1K	₩15,850	+0.0%	₩223M ($155K)
2024-09-13	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	11.2K	₩15,850	+0.0%	₩177M ($123K)
2024-09-12	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	22.5K	₩15,850	+0.0%	₩357M ($248K)
2024-09-11	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	33.9K	₩15,850	+0.0%	₩537M ($373K)
2024-09-10	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	398.5K	₩15,860	-0.1%	₩6.3B ($4.4M)
2024-09-10	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	10.0K	₩15,860	-0.1%	₩159M ($110K)
2024-09-10	BUY	Market Buy	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	22	₩15,860	-0.1%	₩349K ($242)
2024-09-04	BUY	장외매수	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	670.6K	₩15,720	+0.8%	₩10.5B ($7.3M)
2024-09-04	BUY	장외매수	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	839.1K	₩15,720	+0.8%	₩13.2B ($9.2M)
2024-09-04	BUY	장외매수	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	980.0K	₩15,720	+0.8%	₩15.4B ($10.7M)
2024-09-04	BUY	장외매수	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	2.2M	₩15,720	+0.8%	₩34.1B ($23.7M)
2024-09-04	SELL	장외매도	비아이에스홀딩스 BIS Holdings	-	-10.6M	₩15,720	-0.8%	₩166.3B ($115.5M)
2024-09-04	BUY	장외매수	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	10.6M	₩15,720	+0.8%	₩166.3B ($115.5M)
2024-09-04	BUY	공개매수	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	5.6M	₩15,720	+0.8%	₩88.5B ($61.4M)
2024-09-04	BUY	장외매수	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	347.4K	₩15,720	+0.8%	₩5.5B ($3.8M)
2024-09-04	BUY	장외매수	스카이레이크롱텀스트래티직인베스트먼트3호 Sky Lake Long Term Strategic Investment No. 3	-	472.6K	₩15,720	+0.8%	₩7.4B ($5.2M)

Frequently asked questions

Who has been buying Business on Communication stock?: 1 distinct insiders have filed 39 disclosed insider purchases in Business on Communication (138580), most recently on 2024-11-08. 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 Business on Communication have?: Business on Communication has 39 buy-side and 0 sell-side disclosures on record, covering ₩10.2B ($7.1M) in total reported value, spanning 2024-09-04 to 2024-11-08.
Where does StockDrifts get Business on 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 Business on Communication. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.