Who has been buying platier stock?

3 distinct insiders have filed 83 disclosed insider purchases in platier (367000), most recently on 2026-07-08. 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 platier have?

platier has 83 buy-side and 0 sell-side disclosures on record, covering ₩275M ($191K) in total reported value, spanning 2024-11-18 to 2026-07-08.

Where does StockDrifts get platier 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.

platier 367000

Company

플래티어platier

Insiders

Buys

Total Value

₩275M ($191K)

Avg Return

-5.85%

Last Filing

2026-07-08

platier (367000) has 83 disclosed insider purchases and 0 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩275M ($191K) in reported transaction value. The earliest filing StockDrifts holds for platier is dated 2024-11-18; the most recent is 2026-07-08. 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 -5.85%, 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
2026-08-04	BUY	Market Buy	김진성 Jinseong Kim	CEO	342	₩2,985	+5.2%	₩997K ($692)
2026-08-03	BUY	Market Buy	김진성 Jinseong Kim	CEO	189	₩2,940	+6.8%	₩548K ($381)
2026-07-31	BUY	Market Buy	김진성 Jinseong Kim	CEO	3.4K	₩2,935	+7.0%	₩10M ($7K)
2026-07-30	BUY	Market Buy	김진성 Jinseong Kim	CEO	743	₩2,925	+7.3%	₩2M ($1K)
2026-07-29	BUY	Market Buy	김진성 Jinseong Kim	CEO	79	₩2,880	+9.0%	₩224K ($155)
2026-07-28	BUY	Market Buy	김진성 Jinseong Kim	CEO	167	₩2,885	+8.8%	₩475K ($330)
2026-07-28	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	5	₩2,880	+1.9%	₩14K ($10)
2026-07-27	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	92	₩2,880	+1.9%	₩270K ($187)
2026-07-24	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	949	₩2,830	+5.5%	₩3M ($2K)
2026-07-23	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	242	₩2,940	+1.5%	₩693K ($481)
2026-07-22	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	231	₩2,935	+0.0%	₩663K ($460)
2026-07-21	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	263	₩2,910	+0.9%	₩786K ($546)
2026-07-21	BUY	Market Buy	김진성 Jinseong Kim	CEO	126	₩2,910	-2.8%	₩381K ($265)
2026-07-20	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	403	₩2,875	+2.1%	₩1M ($820)
2026-07-20	BUY	Market Buy	김진성 Jinseong Kim	CEO	85	₩2,875	-1.6%	₩248K ($172)
2026-07-16	BUY	Market Buy	김진성 Jinseong Kim	CEO	212	₩3,000	-5.7%	₩613K ($426)
2026-07-16	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	590	₩3,000	-2.2%	₩2M ($1K)
2026-07-15	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	455	₩2,940	-0.2%	₩1M ($920)
2026-07-15	BUY	Market Buy	김진성 Jinseong Kim	CEO	46	₩2,940	-3.7%	₩136K ($94)
2026-07-14	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	1.2K	₩2,920	+0.5%	₩3M ($2K)
2026-07-14	BUY	Market Buy	김진성 Jinseong Kim	CEO	357	₩2,920	-3.1%	₩1M ($743)
2026-07-13	BUY	Market Buy	김진성 Jinseong Kim	CEO	316	₩2,910	-2.8%	₩935K ($649)
2026-07-13	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	1.4K	₩2,910	+0.9%	₩4M ($3K)
2026-07-10	BUY	Market Buy	김진성 Jinseong Kim	CEO	18	₩2,995	-5.5%	₩53K ($37)
2026-07-10	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	8.3K	₩2,995	-2.0%	₩24M ($16K)
2026-07-09	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	1.1K	₩2,995	-2.0%	₩3M ($2K)
2026-07-09	SELL	Market Sell	김명구 Kim Myeong-gu	CEO	-4	₩2,995	+2.0%	₩11K ($8)
2026-07-08	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	49	₩2,980	+0.5%	₩146K ($101)
2026-07-07	BUY	Market Buy	진병권 Jin Byeong-kwon	CEO	560	₩2,875	+4.2%	₩2M ($1K)
2026-07-07	BUY	Market Buy	김진성 Jinseong Kim	CEO	192	₩2,875	-1.6%	₩573K ($398)
2026-07-07	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	93	₩2,875	+4.2%	₩267K ($186)
2026-07-06	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	39	₩2,935	+2.0%	₩114K ($79)
2026-07-06	BUY	Market Buy	진병권 Jin Byeong-kwon	CEO	200	₩2,935	+2.0%	₩587K ($408)
2026-07-03	BUY	Market Buy	진병권 Jin Byeong-kwon	CEO	240	₩2,985	+0.0%	₩716K ($498)
2026-07-03	BUY	Market Buy	김진성 Jinseong Kim	CEO	294	₩2,985	-5.2%	₩851K ($591)
2026-07-03	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	264	₩2,985	+0.3%	₩788K ($547)
2026-07-02	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	31	₩2,860	+4.7%	₩89K ($62)
2026-07-02	BUY	Market Buy	진병권 Jin Byeong-kwon	CEO	160	₩2,860	+4.4%	₩458K ($318)
2026-07-02	BUY	Market Buy	김진성 Jinseong Kim	CEO	451	₩2,860	-1.1%	₩1M ($892)
2026-07-01	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	39	₩2,915	+2.7%	₩114K ($79)
2026-07-01	BUY	Market Buy	김진성 Jinseong Kim	CEO	2.7K	₩2,915	+2.4%	₩8M ($5K)
2026-06-30	BUY	Market Buy	진병권 Jin Byeong-kwon	CEO	1.0K	₩2,900	+2.9%	₩3M ($2K)
2026-06-30	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	653	₩2,900	+3.3%	₩2M ($1K)
2026-06-30	BUY	Market Buy	김진성 Jinseong Kim	CEO	396	₩2,900	+2.9%	₩1M ($798)
2026-06-29	BUY	Market Buy	진병권 Jin Byeong-kwon	CEO	870	₩2,860	+4.4%	₩2M ($2K)
2026-06-29	BUY	Market Buy	김진성 Jinseong Kim	CEO	1.2K	₩2,860	+4.4%	₩3M ($2K)
2026-06-29	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	857	₩2,860	+4.7%	₩2M ($2K)
2026-06-26	BUY	Market Buy	진병권 Jin Byeong-kwon	CEO	530	₩2,610	+14.4%	₩1M ($961)
2026-06-26	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	1.1K	₩2,610	+14.8%	₩3M ($2K)
2026-06-25	BUY	Market Buy	김명구 Kim Myeong-gu	CEO	1.7K	₩2,830	+5.8%	₩5M ($3K)

Showing the 50 most recent of 115 filings.

Frequently asked questions

Who has been buying platier stock?: 3 distinct insiders have filed 83 disclosed insider purchases in platier (367000), most recently on 2026-07-08. 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 platier have?: platier has 83 buy-side and 0 sell-side disclosures on record, covering ₩275M ($191K) in total reported value, spanning 2024-11-18 to 2026-07-08.
Where does StockDrifts get platier 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 platier. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.