No insider purchase over the last 90 days. The latest, by 최규호, was filed 23 Apr 2026.
Who traded when
BuySale+1 other insider
Since the insiders bought
- +12.6%Entry ₩20,950 · Close 30 Oct 2026 ₩23,600
- -2.3%Entry ₩24,150 · Close 30 Oct 2026 ₩23,600
- -2.3%Entry ₩24,150 · Close 30 Oct 2026 ₩23,600
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.
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2025FY ended December 2025 · cache
- 2,000 sharesShareKRXDART:20261102000321
- Other0DART
- Other0DART
- Other0DART
- 2,500 sharesShareKRXDART:20261022000277
- 1,918 sharesShareKRXDART:20261016000072
- 2,253 sharesShareKRXDART:20261002000621
- 1,000 sharesShareKRXDART:20261002000615
- Other0DART
- 200 sharesShareKRXDART:20260423000042Canonical exit: 30 Jun 2026 (T+90)
- 0KRXDART:20260403001901
- 484,664 sharesKRXDART:20260403003619
- ShareKRXDART:20260403001920
- 484,664 sharesShareKRXDART:20260403003627
- ShareKRXDART:20260223003146
- 2,000 sharesShareKRXDART:20260213001421
- 790 sharesShareKRXDART:20260205000399
- 1,732 sharesShareKRXDART:20260203000442
- 3,310 sharesShareKRXDART:20260202001283
- 10,000 sharesShareKRXDART:20260112000416Canonical exit: 12 Apr 2026 (T+90)
- 13,000 sharesShareKRXDART:20260112000388Canonical exit: 12 Apr 2026 (T+90)
- 10,000 sharesShareKRXDART:20260112000423Canonical exit: 12 Apr 2026 (T+90)
- 4,000 sharesShareKRXDART:20260112000405Canonical exit: 12 Apr 2026 (T+90)
- 17,000 sharesShareKRXDART:20251209000072Canonical exit: 9 Mar 2026 (T+90)
- 10,000 sharesShareKRXDART:20251208000178Canonical exit: 8 Mar 2026 (T+90)
25 of 29 declarations
About Dowooinsys Co., Ltd.
Neither side dominates at 도우인시스 (Dowooinsys Co., Ltd.): 10 purchases for 9 sales, or 53% purchases among open-market trades. This South Korean technology company, listed on the Korea Exchange, is worth KRW 251.5 billion, and insiders hold 64.1% of the capital.
All 23 filings are recent: 6 in 2025 and 17 in 2026, published by 8 filers from December 8, 2025 to October 16, 2026. On December 8 and 9, 2025, 5 filers bought. 차진규, filed as 위원, made 6 filings, 2 purchases and 4 sales; 송영남 (위원) has 4, split evenly between purchases and sales (2 each), and the fund 에스브이아이씨55호신기술사업투자조합 has 4, 2 of them sales. 차경용 (위원) appears 3 times, and 뉴파워프라즈마 twice.
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They are published a median of 3 days after the trade. For 10 purchases a 90-day result is stored: a median of minus 19.2%, with no positive result, recorded past results, not a forecast.
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