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

저스템

KR·Mcap ₩289.9BTechnology

No insider purchase over the last 90 days. The latest, by 김선식, was filed 25 Jun 2026.

Insider Decl.
81
Thresholds
n/a
Buy Volume
€43M
38 ops. · all time
Sell Volume
€15M
22 ops. · all time

Who traded when

BuySale
임영진7 buys3 sales
하정민3 buys1 sale
김선식3 buys
김용진2 buys1 sale
배도인2 buys1 sale
이미애2 buys1 sale

+10 other insiders

Since the insiders bought

  • Filed 26 May 2026 · 167 days ago · €53k
    -29.6%
    Entry ₩18,990 · Close 29 Oct 2026 ₩13,360
  • Filed 26 May 2026 · 167 days ago · €13k
    -29.6%
    Entry ₩18,990 · Close 29 Oct 2026 ₩13,360
  • Filed 24 Apr 2026 · 199 days ago · €254k
    +10.9%
    Entry ₩12,050 · Close 29 Oct 2026 ₩13,360

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 16,481 of 26,913 companies
44.5
score / 100
Value
28
Quality
61
FCF yld-0.3%
Earn yld1.6%
EV/EBITDA39.5x
ROE19%
Gross mgn46%
Net mgn7.2%
Debt/EBITDA3.6x
Pillars2/3

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

Financial data

as of FY 2025

FY ended December 2025 · cache

₩12,750
Analyst consensus
1 analysts
1.00/5
₩27,000Target ₩27,000(+112%)₩27,000
Income statement
Revenue₩48.3B
Gross profit₩22.1B46% margin
EBITDA₩6B12% margin
Net income₩3.5B16.0% margin
Valuation
PER (forward)6.4x
Beta1.97
Balance sheet & cash
Market cap₩289.9B
Total debt₩21.6B
Free Cash Flow-₩620.5M
Debt / Equity30%
Profitability & ownership
ROE19.2%
ROA8.9%
% insiders28.3%
% institutions0.2%
Last declaration on 25 June 2026
Declarations87 total
  • Other
    Other(filed)
    0DART
  • Other
    Other(filed)
    0DART
  • Other
    Other(filed)
    0DART
  • Other
    Other(filed)
    0DART
  • Other
    Other(filed)
    0DART
  • Other
    Other(filed)
    0DART
  • ▲
    부사장Executives(filed)
    €3,253est.0DART
    400 sharesShareKRXDART:20260625000452
    Canonical exit: 23 Sept 2026 (T+90)
  • ▲
    대량보유자Executives(filed)
    €20kest.0DART
    2,400 sharesKRXDART:20260625000430
    Canonical exit: 23 Sept 2026 (T+90)
  • ▲
    사외이사Executives(filed)
    €65kest.0DART
    7,500 sharesShareKRXDART:20260609000388
    Canonical exit: 7 Sept 2026 (T+90)
  • ▲
    부사장Executives(filed)
    €191kest.0DART
    22,000 sharesShareKRXDART:20260609000397
    Canonical exit: 7 Sept 2026 (T+90)
  • ▲
    부사장Executives(filed)
    €260kest.0DART
    30,000 sharesShareKRXDART:20260609000411
    Canonical exit: 7 Sept 2026 (T+90)
  • ▲
    이사Executives(filed)
    €43kest.0DART
    5,000 sharesShareKRXDART:20260609000417
    Canonical exit: 7 Sept 2026 (T+90)
  • ●
    Executives
    Executives(filed)
    0DART
  • ▲
    부사장Executives(filed)
    €7,196est.0DART
    800 sharesShareKRXDART:20260604000474
    Canonical exit: 2 Sept 2026 (T+90)
  • ▼
    Executives
    €4.9Mest.0DART
    450,000 sharesKRXDART:20260527000525
  • ▼
    부사장Executives
    €1.6Mest.0DART
    150,000 sharesShareKRXDART:20260527000506
  • ▼
    부사장Executives
    €542kest.0DART
    50,000 sharesShareKRXDART:20260527000493
  • ▼
    COOExecutives
    €2.2Mest.0DART
    200,000 sharesShareKRXDART:20260527000476
  • ▼
    대표이사Executives
    €2.2Mest.0DART
    200,000 sharesShareKRXDART:20260527000460
  • ▼
    부사장Executives(filed)
    €106kest.0DART
    10,000 sharesShareKRXDART:20260526000369
  • ▲
    이사Executives(filed)
    €53kest.0DART
    5,000 sharesShareKRXDART:20260526000361
    Canonical exit: 24 Aug 2026 (T+90)
  • ▲
    부사장Executives(filed)
    €13kest.0DART
    1,200 sharesShareKRXDART:20260526000358
    Canonical exit: 24 Aug 2026 (T+90)
  • ▼
    이사Executives(filed)
    €53kest.0DART
    5,000 sharesShareKRXDART:20260526000386
  • ▲
    Executives
    €254k20DART
    36,500 shares0.14% mcap1.4% of flowKRXDART:20260424000691
    Canonical exit: 16 Jul 2026 (T+90)
  • ▼
    감사Executives
    69M KRW25DART
    7,500 shares@ ₩9,136.000.021% mcap62.3% of flowShareKRXDART:20260424000701

25 of 87 declarations

About Justem Co., Ltd.

On March 2, 2026, 임영진 bought EUR 17,364,758 at 저스템 (Justem Co., Ltd.), far above the filer's next two purchases, EUR 262,186 on March 31, 2026 (filed as 대표이사) and EUR 253,568 on April 17, 2026. Twelve purchases carry an amount, EUR 18,120,482 in all with a median of EUR 23,293. On March 31, 2026, 임영진 also sold EUR 130,490.

This South Korean technology company, listed on the Korea Exchange, is worth KRW 315.2 billion, and insiders hold 28.3% of the capital. Between October 31, 2022 and June 25, 2026, 17 filers published 81 filings: 38 purchases, 22 sales (63% purchases) and 21 filings of another kind. 임영진, classed as 대량보유자, made 27 (9 purchases, 15 sales); 황희수 (부사장) has 19.

Read moreShow less

From February 10, 2026 to March 12, 2026, 12 filers bought. The year 2026 accounts for 42 filings, against 4 in 2025. They are published a median of 6 days after the trade. Over the last twelve months there are 43, of which 30 purchases and 9 sales.

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