옵티코어 Stock: price and insider trades · South Korea
No insider purchase over the last 90 days. The latest, by 블랙마운틴홀딩스, was filed 13 May 2026.
Who traded when
BuySale+3 other insiders
Since the insiders bought
- +100.0%Entry ₩4,225 · Close 20 Oct 2026 ₩8,450
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
- Other0DART
- 3,248,511 sharesKRXDART:20260602000562
- 278,782 sharesShareKRXDART:20260514000403
- 125,000 sharesShareKRXDART:20260514000404
- 4,370,625 shares17.91% mcap100.0% of flowKRXDART:20260513000592
- 13,111,875 shares@ ₩1,144.0037.3% of flowShareKRXDART:20260513000587Canonical exit: 10 Jun 2025 (T+90)
- 110,000 sharesShareKRXDART:20260513000574
- 10,000 sharesShareKRXDART:20260513000800
- 10,000 sharesShareKRXDART:20260513000720
- 220,000 sharesShareKRXDART:20260407002887Canonical exit: 30 Jun 2026 (T+90)
- ●Executives0DART
- 1,959,247 sharesKRXDART:20260130000314Canonical exit: 19 Apr 2026 (T+90)
- 350,000 sharesShareKRXDART:20260126000261
- 256,982 sharesShareKRXDART:20260126000260
- 230,000 sharesShareKRXDART:20260126000318
- 3,192,848 sharesKRXDART:20251229000618Canonical exit: 24 Mar 2026 (T+90)
- 1,901,422 sharesKRXDART:20250925000420
- 4,878,312 sharesKRXDART:20250526000326Canonical exit: 18 Aug 2025 (T+90)
- ●Executives0DART
- ShareKRXDART:20241121000244
- 170,000 sharesShareKRXDART:20241121000221
- 70,000 sharesShareKRXDART:20241115000092
- 710,000 sharesKRXDART:20241008000489
- ShareKRXDART:20240809000495
25 of 42 declarations
About 옵티코어
The two largest trades at 옵티코어 come from the same filer, 블랙마운틴홀딩스: a purchase of EUR 6,299,994 on March 12, 2025, then a sale of EUR 10,580,955 on May 7, 2026. They are the only stored amounts in this record, that of a Technology company on the Korea Exchange valued at KRW 103.3 billion.
The market side is 14 sales against 9 purchases, so 39% purchases. 김정훈 (부사장, vice president) filed 13, including 2 purchases and one sale; 진재현 (대량보유자, large holder) filed 7, with one purchase and one sale; 김도훈 (이사, director) made 4 sales; 김진환 (이사) filed 3, including one purchase and 2 sales. From December 24, 2025 to January 19, 2026, 2 filers bought.
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Published from December 29, 2022 to June 2, 2026, the 40 filings peak at 14 in 2026, after 11 in 2024 and 10 in 2023; 2022 has 2 and 2025 has 3. Insiders and declared holders hold 26.9% of the capital. Over twelve months: 15 filings, 4 purchases and 9 sales. Filings appear a median of 6 days after the trade.
