No insider purchase over the last 90 days. The latest, by 조인수, was filed 12 May 2026.
Lake Materials Co., Ltd.: what insiders have been doing
This page follows insider dealings at Lake Materials Co., Ltd. as filed with DART (FSS), a company from the Chemicals sector. 1 insider has disclosed 1 filing since 22 October 2025.
Only purchases show up on the open market, 1 purchase in all worth €39k, filed by 1 insider. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. On the buying side, the filings list 1 board member among the declarants. One trade stands out by size: a purchase of €39k from 조인수, disclosed on 12 May 2026, or 0.0080% of market capitalisation.
With 1 filing in twelve months, the company is quieter than the median of 7 filings across the 2,650 companies we follow on the same exchange. Since 2021, the database holds 5 purchases and 2 sales by insiders of the company.
The last purchase on record was published on 12 May 2026, which is 182 days ago.
Source: insider filings from DART (FSS). Past trades are no guide to future returns.
Who traded when
BuySaleSince the insiders bought
- -40.8%Entry ₩20,300 · Close 20 Oct 2026 ₩12,020
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2025FY ended December 2025 · cache
- Other0DART
- 3,000 shares@ ₩22,800.000.0080% mcap100.0% of flowShareKRXDART:20260512000692Canonical exit: 9 Aug 2026 (T+90)
- 52,182 sharesKRXDART:20221101000146
- ShareKRXDART:20221101000136Canonical exit: 30 Jan 2023 (T+90)
- ShareKRXDART:20220511000793Canonical exit: 9 Aug 2022 (T+90)
- 52,182 sharesKRXDART:20220511000800
- ShareKRXDART:20211118000140Canonical exit: 16 Feb 2022 (T+90)
- ShareKRXDART:20211118000119Canonical exit: 16 Feb 2022 (T+90)
8 of 8 declarations
About Lake Materials Co., Ltd.
레이크머티리얼즈 is a company specializing in the chemical and materials sector. It is listed on the XKRX market.