No insider purchase over the last 90 days. The latest, by 한국채권투자운용, was filed 28 Oct 2025.
Osung Advanced Materials Co., Ltd.: what insiders have been doing
This page follows insider dealings at Osung Advanced Materials Co., Ltd. as filed with DART (FSS), a company from the Chemicals sector. Over the twelve months to 1 November 2026, 5 filings were filed, from 4 insiders.
No insider bought on the market over the period, while 2 insiders filed 3 sales. The totals exclude 3 filings filed without an amount.
With 5 filings in twelve months, the company is quieter than the median of 7 filings across the 2,655 companies we follow on the same exchange. Our records for Osung Advanced Materials Co., Ltd. go back to 2021, with 23 purchases and 4 sales on the open market in total.
Sales are harder to read than purchases, since they often meet personal needs such as tax or diversification.
For comparison within the same sector, see the insider buying recorded at Symrise AG and Titan. Every figure here comes from the filings published by DART (FSS) and describes the past, not future prices; it is not investment advice.
Who traded when
BuySaleSince the insiders bought
- +6.7%Entry ₩13,290 · Close at T+365 ₩14,180
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
- 10,843,652 sharesShareKRXDART:20260519000044
- 11,489,705 sharesShareKRXDART:20260519000047
- 101,156 sharesKRXDART:20260519000053
- ●Executives0DART
- ●Executives0DART
- 5,830,903 sharesKRXDART:20251028000413Canonical exit: 21 Jan 2026 (T+90)
- 1,671,112 sharesKRXDART:20250826000325Canonical exit: 24 Nov 2025 (T+90)
- 1,930,501 sharesShareKRXDART:20250409002221Canonical exit: 8 Jul 2025 (T+90)
- 3,861,003 sharesKRXDART:20250409002190Canonical exit: 7 Jul 2025 (T+90)
- 1,930,502 sharesShareKRXDART:20250409002209Canonical exit: 8 Jul 2025 (T+90)
- ●Executives0DART
- 1,370,824 sharesKRXDART:20250109000146
- 863,642 sharesKRXDART:20241008000159Canonical exit: 18 Nov 2024 (T+90)
- ●Executives0DART
- 329,000 sharesKRXDART:20240614000361Canonical exit: 12 Sept 2024 (T+90)
- 35,000 sharesKRXDART:20240524000423Canonical exit: 22 Aug 2024 (T+90)
- 35,000 sharesKRXDART:20240517000317Canonical exit: 15 Aug 2024 (T+90)
- 35,000 sharesKRXDART:20240508000381Canonical exit: 6 Aug 2024 (T+90)
- 195,000 shares@ ₩1,413.6667100.0% of flowShareKRXDART:20240416000310Canonical exit: 7 Jul 2024 (T+90)
- 311,321 sharesKRXDART:20240314001193Canonical exit: 12 Jun 2024 (T+90)
- 35,000 sharesKRXDART:20231025000431Canonical exit: 21 Jan 2024 (T+90)
- 35,000 sharesKRXDART:20230824000343Canonical exit: 22 Nov 2023 (T+90)
- 35,000 sharesKRXDART:20230808000417Canonical exit: 6 Nov 2023 (T+90)
- ShareKRXDART:20230802000311Canonical exit: 24 Oct 2023 (T+90)
25 of 38 declarations
About Osung Advanced Materials Co., Ltd.
Oseong Advanced Materials is a company specializing in advanced materials, operating on the XKRX market. It focuses on the development and production of innovative solutions in the chemical materials sector.
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