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Philoptics Co., Ltd. Stock: price and insider trades · South Korea

필옵틱스

KR·Mcap ₩631.8BIndustrials

No insider purchase over the last 90 days. The latest, by 심상원, was filed 03 Apr 2026.

Insider Decl.
65
Thresholds
n/a
Buy Volume
€72M
17 ops. · all time
Sell Volume
€26M
27 ops. · all time

Who traded when

BuySale
유성주2 buys1 sale
한기수3 sales
갈경수2 buys
삼성자산운용2 buys
심상원1 buy1 sale
임옥규1 buy1 sale

+3 other insiders

Since the insiders bought

  • Filed 03 Apr 2026 · 220 days ago · €32k
    -28.1%
    Entry ₩37,500 · Close 30 Oct 2026 ₩26,950
  • Filed 03 Apr 2026 · 220 days ago · €72k
    -28.1%
    Entry ₩37,500 · Close 30 Oct 2026 ₩26,950
  • Filed 05 Mar 2026 · 249 days ago · €7.0M
    -43.6%
    Entry ₩47,800 · Close 30 Oct 2026 ₩26,950

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.

Fundamental score
Ranked 24,600 of 26,913 companies
20.1
score / 100
Value
29
Quality
11
FCF yld-0.9%
Earn yld-3.1%
EV/EBITDA·
ROE-14%
Gross mgn7.7%
Net mgn-16%
Debt/EBITDA·
Pillars2/3

Transparent value + quality ranking, distinct from the insider signal.

Financial data

as of FY 2025

FY ended December 2025 · cache

₩26,950
Analyst consensus
·
Income statement
Revenue₩103.4B
Gross profit₩8B8% margin
EBITDA-₩23.6B-23% margin
Net income-₩17B-35.1% margin
Valuation
Beta1.49
Balance sheet & cash
Market cap₩631.8B
Total debt₩90.4B
Free Cash Flow-₩4.7B
Debt / Equity51%
Profitability & ownership
ROE-14.3%
ROA-7.2%
% insiders35.7%
% institutions5.5%
Last declaration on 2 July 2026
Declarations68 total
  • Other
    Other(filed)
    0DART
  • Other
    Other(filed)
    0DART
  • Other
    Other(filed)
    0DART
  • ●
    Executives
    Executives(filed)
    0DART
  • ▼
    Executives
    €88kest.0DART
    3,325 sharesKRXDART:20260528000708
  • ▼
    전무Executives(filed)
    €85kest.0DART
    3,000 sharesShareKRXDART:20260522000463
  • ▼
    이사Executives
    78M KRW27DART
    1,600 shares@ ₩49,000.000.012% mcap100.0% of flowShareKRXDART:20260424000782
  • ▼
    부사장Executives
    158M KRW29DART
    3,400 shares@ ₩46,500.000.023% mcap55.8% of flowShareKRXDART:20260424000779
  • ▲
    이사Executives
    56M KRW15DART
    6,000 shares@ ₩9,340.000.0082% mcap100.0% of flowShareKRXDART:20260403003573
    Canonical exit: 25 Jun 2026 (T+90)
  • ▲
    부사장Executives
    126M KRW15DART
    13,500 shares@ ₩9,340.000.018% mcap44.2% of flowShareKRXDART:20260403003522
    Canonical exit: 25 Jun 2026 (T+90)
  • ●
    Executives
    0DART
    0KRXDART:20260331001944
  • ●
    Executives
    Executives(filed)
    0DART
  • ▲
    Related company / holdingExecutives
    €7.0Mest.0DART
    259,070 sharesKRXDART:20260305001243
    Canonical exit: 10 May 2026 (T+90)
  • ▲
    Related company / holdingExecutives
    €36.9Mest.0DART
    1,253,281 sharesKRXDART:20260205000455
    Canonical exit: 3 May 2026 (T+90)
  • ▼
    대량보유자Executives
    €474kest.0DART
    19,000 sharesKRXDART:20251128002143
  • ▼
    이사Executives(filed)
    €117kest.0DART
    4,000 sharesShareKRXDART:20251107000547
  • ▼
    상무Executives(filed)
    €29kest.0DART
    1,000 sharesShareKRXDART:20251107000539
  • ▲
    이사Executives(filed)
    €42kest.0DART
    2,000 sharesShareKRXDART:20250926000220
    Canonical exit: 25 Dec 2025 (T+90)
  • ▲
    상무Executives(filed)
    €42kest.0DART
    2,000 sharesShareKRXDART:20250926000200
    Canonical exit: 25 Dec 2025 (T+90)
  • ▼
    대량보유자Executives
    €783kest.0DART
    40,779 sharesKRXDART:20250523000543
  • ▲
    사외이사Executives(filed)
    €22kest.0DART
    1,125 sharesShareKRXDART:20250523000448
    Canonical exit: 21 Aug 2025 (T+90)
  • ●
    Executives
    Executives(filed)
    0DART
  • ▲
    상무Executives(filed)
    €15kest.0DART
    500 sharesShareKRXDART:20250207000858
    Canonical exit: 8 May 2025 (T+90)
  • ▲
    이사Executives(filed)
    €37kest.0DART
    3,000 sharesShareKRXDART:20241224000375
    Canonical exit: 24 Mar 2025 (T+90)
  • ▲
    전무Executives(filed)
    €49kest.0DART
    4,000 sharesShareKRXDART:20241224000388
    Canonical exit: 24 Mar 2025 (T+90)

25 of 68 declarations

About Philoptics Co., Ltd.

Philoptics Co., Ltd. (필옵틱스), a South Korean industrial company, has a record where sales outnumber purchases: 27 sales against 17 purchases, or 39% purchases among open-market trades. On March 27, 2026, 한규완 (부사장) and 심상원 (이사) bought on the same day, EUR 104,543 together: EUR 72,376 for the first, EUR 32,167 for the second. In April 2026 the same two sold, EUR 91,224 on April 22 for 한규완 and EUR 45,237 on April 23 for 심상원.

The most active filer is 한기수, 대량보유자, with 22 filings, 19 of them sales and none a purchase. 한규완 has 10 filings, with 3 purchases and 2 sales.

Read moreShow less

The record totals 65 filings from 16 filers, and the market capitalisation is KRW 761.9 billion; declared insiders hold 35.7% of the capital. Yearly volume stays steady, between 9 and 14 filings. Over the last twelve months: 14 filings, 4 purchases, 7 sales. For 10 purchases the median 90-day result is 0.2%, with 50% of results positive. These are recorded past results, not a forecast.

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