No insider purchase over the last 90 days. The latest, by 지브이에이자산운용, was filed 08 Jun 2026.
Who traded when
BuySaleTransparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2025FY ended December 2025 · cache
- Other0DART
- Other0DART
- Other0DART
- Other0DART
- 1,033,192 sharesKRXDART:20260608000390Canonical exit: 6 Sept 2026 (T+90)
- ●Executives0DART
- 4,061 sharesKRXDART:20260309001746
- 4,061 sharesShareKRXDART:20260309001797
- ●Executives0DART
- 65,895 sharesKRXDART:20260112000240Canonical exit: 5 Apr 2026 (T+90)
- 65,895 sharesShareKRXDART:20260112000246Canonical exit: 12 Apr 2026 (T+90)
- 14,000 sharesKRXDART:20251128002117Canonical exit: 23 Feb 2026 (T+90)
- 14,000 sharesShareKRXDART:20251128002131Canonical exit: 26 Feb 2026 (T+90)
- ●Executives0DART
- ●Executives0DART
- ●Executives0DART
- 258,190 sharesKRXDART:20250409001801
- ●Executives0DART
- 36,000 sharesKRXDART:20250207000632Canonical exit: 4 May 2025 (T+90)
- 36,000 sharesShareKRXDART:20250207000647Canonical exit: 8 May 2025 (T+90)
- 23,159 sharesKRXDART:20250109000121Canonical exit: 27 Mar 2025 (T+90)
- 38,000 sharesShareKRXDART:20250107000444
- 48,000 sharesKRXDART:20250107000442
- 0KRXDART:20241211000467
- 0KRXDART:20241114002542
25 of 92 declarations
About OSTEONIC Co., Ltd.
At OSTEONIC Co., Ltd. (오스테오닉), a Korean health care company on the Korea Exchange worth KRW 85.2 billion, one name dominates the record: 이동원 (대표이사) is behind 71 of the 88 filings, with 4 purchases and 3 sales on the market. Most of the other filings are neither purchases nor sales: 72 in all.
The rest of the market activity is thin. 정의식 (전무이사, executive managing director) filed 8 times including one sale, 윤철수 (전무이사) made 2 purchases, and 한국증권금융 (대량보유자, large holder) filed one purchase and one sale. The only trade with a stored amount is a sale of EUR 21,916 by 서상호 on August 17, 2023. Taken together the market trades are 9 purchases and 7 sales, which makes 56% purchases; none of the purchases has a stored amount. From November 25, 2025 to November 28, 2025, 2 filers bought.
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The filings, dated by publication between March 8, 2021 and June 8, 2026, are most numerous in 2023 (26), and 2026 stands at 7 so far. The capital held by insiders and declared holders comes to 19.1%. Over twelve months: 9 filings, 5 purchases and 2 sales.
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