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

아이에스티이

KR·Mcap ₩44.6BIndustrials

No insider purchase over the last 90 days. The latest, by 양정오, was filed 12 Jun 2026.

ISTE Co., Ltd.: what insiders have been doing

This page follows insider dealings at ISTE Co., Ltd. as filed with DART (FSS), a company from the Industrials sector. In the past year (2 November 2025 to 2 November 2026), 18 filings came from 13 insiders.

Purchases and sales both appear in the filings: 14 purchases (11 insiders) and 1 sale (1 insider). The totals exclude 15 filings filed without an amount. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. The buyers include 9 senior executives and 2 board members.

The latest purchase dates back some time: it was published 150 days ago, on 12 June 2026.

Across the 2,655 companies tracked on its exchange, the median is 7 filings; at 18 filings, this issuer sits above that mark. Looking back to 2025, when coverage begins, insiders filed 15 purchases and 1 sale.

In the same sector, recent insider purchases at Auroora Yhtiöt Oyj and MBB SE also feature in our signals. Source: insider filings from DART (FSS). Past trades are no guide to future returns.

Insider Decl.
20
Thresholds
n/a
Buy Volume
€2M
15 ops. · all time
Sell Volume
€14,617
1 ops. · all time

Who traded when

BuySale
노길수2 buys
양정오2 buys
최두현1 buy1 sale
허정수2 buys
김근호1 buy
김대정1 buy

+6 other insiders

Fundamental score
Ranked 25,715 of 26,913 companies
14.7
score / 100
Value
16
Quality
14
FCF yld-10%
Earn yld-12%
EV/EBITDA·
ROE-5.2%
Gross mgn8.1%
Net mgn-14%
Debt/EBITDA·
Pillars2/3

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

Financial data

as of FY 2025

FY ended December 2025 · cache

₩4,595
Analyst consensus
·
Income statement
Revenue₩32.2B
Gross profit₩2.6B8% margin
EBITDA-₩4.8B-15% margin
Net income-₩4.5B-3.0% margin
Balance sheet & cash
Market cap₩44.6B
Total debt₩27.8B
Free Cash Flow-₩3.8B
Debt / Equity112%
Profitability & ownership
ROE-5.2%
ROA-2.8%
% insiders46.4%
% institutions0.2%
Last declaration on 1 September 2026
Declarations22 total
  • Other
    Other(filed)
    0DART
  • ▼
    이사Executives(filed)
    €15kest.0DART
    3,065 sharesShareKRXDART:20260901000311
  • Other
    Other(filed)
    0DART
  • ▲
    상무Executives(filed)
    €104kest.0DART
    16,000 sharesShareKRXDART:20260612000578
    Canonical exit: 10 Sept 2026 (T+90)
  • ●
    Executives
    Executives(filed)
    0DART
  • ▲
    이사Executives(filed)
    €26kest.0DART
    4,000 sharesShareKRXDART:20260612000584
    Canonical exit: 10 Sept 2026 (T+90)
  • ▲
    상무Executives(filed)
    €130kest.0DART
    20,000 sharesShareKRXDART:20260612000574
    Canonical exit: 10 Sept 2026 (T+90)
  • ▲
    상무Executives(filed)
    €130kest.0DART
    20,000 sharesShareKRXDART:20260612000568
    Canonical exit: 10 Sept 2026 (T+90)
  • ▲
    전무Executives(filed)
    €182kest.0DART
    28,000 sharesShareKRXDART:20260612000560
    Canonical exit: 10 Sept 2026 (T+90)
  • ●
    Executives
    Executives(filed)
    0DART
  • ●
    Executives
    Executives
    0DART
  • ▲
    부사장Executives(filed)
    €51kest.0DART
    10,000 sharesShareKRXDART:20260109000661
    Canonical exit: 9 Apr 2026 (T+90)
  • ▲
    부사장Executives(filed)
    €101kest.0DART
    20,000 sharesShareKRXDART:20260109000664
    Canonical exit: 9 Apr 2026 (T+90)
  • ▲
    전무Executives(filed)
    €202kest.0DART
    40,000 sharesShareKRXDART:20260109000668
    Canonical exit: 9 Apr 2026 (T+90)
  • ▲
    상무Executives(filed)
    €51kest.0DART
    10,000 sharesShareKRXDART:20260109000652
    Canonical exit: 9 Apr 2026 (T+90)
  • ▲
    이사Executives(filed)
    €132kest.0DART
    26,000 sharesShareKRXDART:20260109000640
    Canonical exit: 9 Apr 2026 (T+90)
  • ▲
    상무Executives(filed)
    €172kest.0DART
    34,000 sharesShareKRXDART:20260109000645
    Canonical exit: 9 Apr 2026 (T+90)
  • ▲
    상무Executives(filed)
    €101kest.0DART
    20,000 sharesShareKRXDART:20260109000655
    Canonical exit: 9 Apr 2026 (T+90)
  • ▲
    상무Executives(filed)
    €15kest.0DART
    3,000 sharesShareKRXDART:20260109000650
    Canonical exit: 9 Apr 2026 (T+90)
  • ▲
    이사Executives(filed)
    €101kest.0DART
    20,000 sharesShareKRXDART:20260109000637
    Canonical exit: 9 Apr 2026 (T+90)
  • ●
    Executives
    Executives
    0DART
  • ▲
    부사장Executives(filed)
    €151kest.0DART
    24,000 sharesShareKRXDART:20250605000425
    Canonical exit: 3 Sept 2025 (T+90)

22 of 22 declarations

About ISTE Co., Ltd.

아이에스티이 is an industrial company listed on the XKRX. It specializes in the manufacturing and distribution of industrial products.

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