Who has been buying unison stock?

1 distinct insiders have filed 5 disclosed insider purchases in unison (018000), most recently on 2026-05-26. 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 unison have?

unison has 5 buy-side and 0 sell-side disclosures on record, covering ₩81M ($56K) in total reported value, spanning 2024-04-01 to 2026-05-26.

Where does StockDrifts get unison 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.

unison 018000

Company

유니슨unison

Insiders

Buys

Total Value

₩81M ($56K)

Avg Return

+23.52%

Last Filing

2026-05-26

unison (018000) has 5 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩81M ($56K) in reported transaction value. The earliest filing StockDrifts holds for unison is dated 2024-04-01; the most recent is 2026-05-26. 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 +23.52%, 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
2026-05-26	BUY	행사가액조정	명운산업개발 Myeongun Industrial Development	-	6.0M	₩1,000	-7.4%	₩6.0B ($4.2M)
2026-04-27	BUY	행사가액조정	명운산업개발 Myeongun Industrial Development	-	1.7M	₩1,339	+0.8%	₩2.3B ($1.6M)
2026-03-27	SELL	임원퇴임	박원서 Park Won-seo	CEO	-101.8K	₩1,400	+0.0%	₩143M ($99K)
2026-03-26	SELL	행사가액조정	명운산업개발 Myeongun Industrial Development	-	-4.0M	₩1,454	+3.7%	₩5.9B ($4.1M)
2026-02-26	SELL	행사가액조정	명운산업개발 Myeongun Industrial Development	-	-3.7M	-	-	-
2026-01-30	BUY	장외매수	명운산업개발 Myeongun Industrial Development	-	32.4M	₩999	+18.4%	₩32.4B ($22.5M)
2026-01-27	BUY	Market Buy	박원서 Park Won-seo	CEO	23.6K	₩1,034	+14.4%	₩24M ($17K)
2026-01-26	BUY	Market Buy	박원서 Park Won-seo	CEO	10.3K	₩1,063	+11.3%	₩11M ($8K)
2025-12-30	BUY	전환사채의권리행사	명운산업개발 Myeongun Industrial Development	-	23.4M	₩1,201	-1.5%	₩28.1B ($19.5M)
2025-12-26	SELL	행사가액조정	아네모이 anemoi	-	-1.2M	₩1,210	+2.2%	₩1.5B ($1.0M)
2025-11-26	SELL	행사가액조정	아네모이 anemoi	-	-368.0K	₩1,154	-2.5%	₩425M ($295K)
2025-10-27	SELL	행사가액조정	아네모이 anemoi	-	-734.8K	₩1,237	+4.4%	₩909M ($631K)
2025-09-26	SELL	행사가액조정	아네모이 anemoi	-	-55.8K	₩1,130	-4.7%	₩63M ($44K)
2025-09-19	BUY	유상신주취득	박원서 Park Won-seo	CEO	17.9K	₩1,133	+4.4%	₩20M ($14K)
2025-09-19	BUY	행사가액조정	아네모이 anemoi	-	2.3M	₩1,133	+4.4%	₩2.6B ($1.8M)
2025-09-19	SELL	기타	박원서 Park Won-seo	CEO	-14.9K	₩1,133	-4.4%	₩17M ($12K)
2025-08-26	BUY	행사가액조정	아네모이 anemoi	-	3.7M	₩988	+19.7%	₩3.7B ($2.5M)
2025-08-22	SELL	장외매도	아네모이 anemoi	-	-4.6M	₩1,046	-13.1%	₩4.8B ($3.4M)
2025-08-18	BUY	기타	박원서 Park Won-seo	CEO	14.9K	₩1,212	-2.4%	₩18M ($13K)
2025-08-18	BUY	기타	아네모이 anemoi	-	4.6M	₩1,212	-2.4%	₩5.6B ($3.9M)
2025-07-26	BUY	행사가액조정	아네모이 anemoi	-	2.9M	₩1,256	-5.8%	₩3.7B ($2.5M)
2025-06-26	BUY	행사가액조정	아네모이 anemoi	-	2.4M	₩1,406	-15.9%	₩3.4B ($2.3M)
2025-05-26	SELL	전환권등소멸	아네모이 anemoi	-	-21.2M	₩1,505	+21.4%	₩31.9B ($22.2M)
2025-05-26	BUY	CB인수	아네모이 anemoi	-	21.1M	₩1,505	-21.4%	₩31.7B ($22.0M)
2024-05-07	BUY	행사가액조정	아네모이 anemoi	-	1.5M	₩933	+26.8%	₩1.4B ($992K)
2024-04-19	BUY	Market Buy	박원서 Park Won-seo	CEO	18.3K	₩899	+31.6%	₩16M ($11K)
2024-04-18	BUY	Market Buy	박원서 Park Won-seo	CEO	1.3K	₩910	+30.0%	₩1M ($822)
2024-04-17	BUY	Market Buy	박원서 Park Won-seo	CEO	30.4K	₩908	+30.3%	₩28M ($19K)
2024-04-05	SELL	장외매도	아네모이 anemoi	-	-100.0K	₩975	-21.3%	₩98M ($68K)
2024-04-05	SELL	장외매도	아네모이 anemoi	-	-200.0K	₩975	-21.3%	₩195M ($135K)
2024-04-05	SELL	장외매도	아네모이 anemoi	-	-600.0K	₩975	-21.3%	₩585M ($406K)
2024-04-05	SELL	장외매도	아네모이 anemoi	-	-500.0K	₩975	-21.3%	₩488M ($339K)
2024-04-05	SELL	장외매도	아네모이 anemoi	-	-500.0K	₩975	-21.3%	₩488M ($339K)
2024-04-05	SELL	장외매도	아네모이 anemoi	-	-500.0K	₩975	-21.3%	₩488M ($339K)
2024-04-05	SELL	장외매도	아네모이 anemoi	-	-700.0K	₩975	-21.3%	₩683M ($474K)
2024-04-05	SELL	장외매도	아네모이 anemoi	-	-1.2M	₩975	-21.3%	₩1.2B ($813K)
2024-04-05	SELL	장외매도	아네모이 anemoi	-	-598.4K	₩975	-21.3%	₩583M ($405K)
2024-04-01	BUY	기타	아네모이 anemoi	-	4.9M	₩1,141	+3.7%	₩5.6B ($3.9M)

Frequently asked questions

Who has been buying unison stock?: 1 distinct insiders have filed 5 disclosed insider purchases in unison (018000), most recently on 2026-05-26. 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 unison have?: unison has 5 buy-side and 0 sell-side disclosures on record, covering ₩81M ($56K) in total reported value, spanning 2024-04-01 to 2026-05-26.
Where does StockDrifts get unison 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 unison. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.