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JLK, Inc. Stock: price and insider trades · South Korea

제이엘케이

KR·Mcap ₩120BIndustrials

No insider purchase over the last 90 days. The latest, by KB자산운용, was filed 19 Jun 2026.

Insider Decl.
42
Thresholds
n/a
Buy Volume
€16M
13 ops. · all time
Sell Volume
€15M
11 ops. · all time

Who traded when

BuySale
Kb자산운용1 buy
강신욱1 buy
김동민1 sale
김원태1 buy
유위선1 buy
이명재1 buy
Fundamental score
Ranked 20,342 of 26,913 companies
34.0
score / 100
Value
15
Quality
53
FCF yld-12%
Earn yld-13%
EV/EBITDA·
ROE-39%
Gross mgn100%
Net mgn·
Debt/EBITDA·
Pillars2/3

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

Financial data

as of FY 2025

FY ended December 2025 · cache

₩4,695
Analyst consensus
·
Income statement
Revenue₩3.3B
Gross profit₩3.3B100% margin
EBITDA-₩11.4B-340% margin
Net income-₩13.6B-407.4% margin
Valuation
Beta1.26
Balance sheet & cash
Market cap₩120B
Total debt₩30.1B
Free Cash Flow-₩12.7B
Debt / Equity90%
Profitability & ownership
ROE-38.5%
ROA-12.3%
% insiders20.7%
% institutions5.8%
Last declaration on 19 June 2026
Declarations46 total
  • Other
    Other(filed)
    0DART
  • Other
    Other(filed)
    0DART
  • Other
    Other(filed)
    0DART
  • ▲
    대량보유자Executives(filed)
    €3.7Mest.0DART
    1,309,845 sharesKRXDART:20260619000666
    Canonical exit: 17 Sept 2026 (T+90)
  • ●
    Executives
    0DART
    0KRXDART:20260430001389
  • ●
    Executives
    Executives(filed)
    0DART
  • ●
    Executives
    Executives
    0DART
  • Other
    Other(filed)
    0DART
  • ●
    Executives
    Executives
    0DART
  • ▲
    대량보유자Executives
    €2.3Mest.0DART
    834,837 sharesKRXDART:20251128001752
    Canonical exit: 19 Feb 2026 (T+90)
  • ▲
    부사장Executives(filed)
    €384kest.0DART
    141,659 sharesShareKRXDART:20251128001838
    Canonical exit: 26 Feb 2026 (T+90)
  • ▲
    부사장Executives(filed)
    €384kest.0DART
    141,659 sharesShareKRXDART:20251128001828
    Canonical exit: 26 Feb 2026 (T+90)
  • ▼
    대표이사Executives(filed)
    €45kest.0DART
    16,585 sharesShareKRXDART:20251128001793
  • ▲
    사내이사Executives(filed)
    €1,626est.0DART
    600 sharesShareKRXDART:20251128001815
    Canonical exit: 26 Feb 2026 (T+90)
  • ▲
    사내이사Executives(filed)
    €6.3Mest.0DART
    777,463 sharesShareKRXDART:20241018000373
    Canonical exit: 16 Jan 2025 (T+90)
  • ▲
    사내이사Executives(filed)
    €43kest.0DART
    5,362 sharesShareKRXDART:20241018000411
    Canonical exit: 16 Jan 2025 (T+90)
  • ▲
    대표이사Executives(filed)
    €548kest.0DART
    67,997 sharesShareKRXDART:20241018000368
    Canonical exit: 16 Jan 2025 (T+90)
  • ▼
    Executives
    €2.2Mest.0DART
    271,414 sharesKRXDART:20241007000471
  • ▲
    사내이사Executives
    0DART
    ShareKRXDART:20240913000610
    Canonical exit: 28 Aug 2023 (T+90)
  • ▲
    대표이사Executives
    0DART
    ShareKRXDART:20240913000606
    Canonical exit: 28 Aug 2023 (T+90)
  • ▲
    사내이사Executives
    0DART
    ShareKRXDART:20240913000592
    Canonical exit: 5 Dec 2024 (T+90)
  • ▲
    Executives
    €2.6Mest.0DART
    405,721 sharesKRXDART:20240913000629
    Canonical exit: 11 Dec 2024 (T+90)
  • ▲
    Executives
    €184kest.0DART
    24,438 sharesKRXDART:20240820000387
    Canonical exit: 5 Jul 2023 (T+90)
  • ▼
    Executives
    €1.2Mest.0DART
    161,307 sharesKRXDART:20240820000399
  • ▼
    사내이사Executives
    0DART
    ShareKRXDART:20240819000326

25 of 46 declarations

About JLK, Inc.

JLK, Inc. (제이엘케이), an Industrials company on the Korea Exchange valued at KRW 125.6 billion, has a balanced record with no stored amount: 13 purchases against 11 sales (54% purchases), and 18 of the 42 filings are neither.

김원태 (대량보유자, large holder) signs 19 filings, with 5 purchases and 2 sales. 국민연금공단 filed 8, all sales. 제이엘케이 itself signed 4; 김동민 (대표이사) filed 3, including 2 purchases and one sale; 유위선 (사내이사, inside director) made 3 purchases. From November 21, 2025 to November 28, 2025, 4 filers bought.

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The filings, published from March 12, 2021 to June 19, 2026, peak in 2024 with 13, followed by 10 in 2023; 2021 has 5 and 2022 has 4. Their combined stake is 20.7% of the capital. Over twelve months: 10 filings, 5 purchases and one sale, so the recent flow leans to the buying side. Filings appear a median of 3 days after the trade, over 14 measurements.

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