1 insider bought €8,920 of shares over the last 90 days, the latest by 배기문, filed 19 Aug 2026.
IS DongSeo Co., Ltd.: what insiders have been doing
Every trade that managers of IS DongSeo Co., Ltd. disclose to DART (FSS) is tracked on this page. The company sits in the Industrials sector. In the past year (4 November 2025 to 4 November 2026), 24 filings came from 4 insiders.
Both sides are active: 2 purchases worth €924k and 2 sales, from 2 insiders and 2 insiders respectively. No amount is published for 3 filings, which the totals therefore leave out. Unlike grants, an open-market purchase is paid for by the insider, at the market price. On the buying side, the filings list 1 chief executive among the declarants. One trade stands out by size: a purchase of €924k from 국민연금공단, disclosed on 1 April 2026, or 0.32% of market capitalisation.
Compared with its exchange (2,654 companies, median 7 filings), a count of 24 filings is above the norm. The full history, which starts in 2021, counts 15 purchases against 3 sales.
The clock since the last published purchase (19 August 2026) now reads 83 days. Typically, a trade is published a median of 6 days after it takes place. This delay matters because a trade only becomes useful information once it is public.
In the same sector, recent insider purchases at Auroora Yhtiöt Oyj and MBB SE also feature in our signals. Source: insider filings from DART (FSS). Past trades are no guide to future returns.
Who traded when
BuySaleSince the insiders bought
- -49.0%Entry ₩27,500 · Close 02 Nov 2026 ₩14,030
- -30.2%Entry ₩24,900 · Close at T+365 ₩17,380
- -32.1%Entry ₩25,450 · Close at T+365 ₩17,290
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
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- 1,000 sharesShareKRXDART:20260819000026Canonical exit: 17 Nov 2026 (T+90)
- Other0DART
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- Other0DART
- ●Executives0DART
- ●Executives0DART
- ●Executives0DART
- ●Executives0DART
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- 0KRXDART:20260515002864
- 0KRXDART:20260508000966
- 0KRXDART:20260417000668
- 0KRXDART:20260407002821
- 60,515 shares0.32% mcap100.0% of flowKRXDART:20260401002309Canonical exit: 11 Jun 2026 (T+90)
- 0KRXDART:20260313001115
- 0KRXDART:20260227008315
- 0KRXDART:20260212001441
25 of 125 declarations
About IS DongSeo Co., Ltd.
아이에스동서 is an industrial company listed on the XKRX. It specializes in various sectors of the industry in South Korea.
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