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서울반도체 Stock: price and insider trades · South Korea

KR·Mcap ₩535.1BTechnology

서울반도체: what insiders have been doing

서울반도체 is a Technology company. Its directors and officers file their transactions with DART (FSS). In the past year (1 November 2025 to 1 November 2026), 2 filings came from 1 insider.

Not one of the filings records a straightforward purchase or sale on the market. Such operations are usually part of compensation schedules, which makes them a weaker signal than an open-market trade.

There has been no open-market purchase by an insider of 서울반도체 for at least a year.

For context, the typical company on the same exchange (median of 2,655 companies) published 7 filings over the same period, against 2 filings here.

In the same sector, recent insider purchases at Basler Aktiengesellschaft and Lime Technologies AB (publ) also feature in our signals. Every figure here comes from the filings published by DART (FSS) and describes the past, not future prices; it is not investment advice.

Insider Decl.
12
Thresholds
n/a
Buy Volume
n/a
n/a
Sell Volume
n/a
n/a
Fundamental score
Ranked 19,168 of 26,911 companies
37.3
score / 100
Value
45
Quality
30
FCF yld7.5%
Earn yld-9.6%
EV/EBITDA12.0x
ROE0.9%
Gross mgn20%
Net mgn-5.1%
Debt/EBITDA2.5x
Pillars2/3

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

Financial data

as of FY 2025

FY ended December 2025 · cache

₩9,490
Analyst consensus
2 analysts
·
₩9,500Target ₩9,750(+3%)₩10,000
Income statement
Revenue₩1T
Gross profit₩204.5B20% margin
EBITDA₩56.1B6% margin
Net income-₩51.4B-0.2% margin
Valuation
PER (forward)42.2x
Beta1.49
Balance sheet & cash
Market cap₩535.1B
Total debt₩138.7B
Free Cash Flow₩40.1B
Debt / Equity17%
Profitability & ownership
ROE0.9%
ROA0.1%
% insiders28.6%
% institutions4.8%
Last declaration on 2 June 2026
Declarations12 total
  • ●
    Executives
    Executives(filed)
    0DART
  • ●
    Executives
    Executives(filed)
    0DART
  • ●
    Executives
    Executives(filed)
    0DART
  • ●
    Executives
    Executives(filed)
    0DART
  • ●
    Executives
    Executives(filed)
    0DART
  • ●
    Executives
    Executives(filed)
    0DART
  • ●
    Executives
    Executives(filed)
    0DART
  • ●
    Executives
    Executives(filed)
    0DART
  • ●
    Executives
    Executives(filed)
    0DART
  • ●
    Executives
    Executives(filed)
    0DART
  • ●
    Executives
    Executives(filed)
    0DART
  • ●
    Executives
    Executives(filed)
    0DART

12 of 12 declarations

About 서울반도체

서울반도체 is a company specializing in semiconductor technology, particularly in the manufacturing of LEDs. It is listed on the XKRX market.

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