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대동

대동기어 Stock: price and insider trades · South Korea

KR·Mcap ₩104.5BIndustrials

No insider purchase over the last 90 days. The latest, by 대동, was filed 05 Aug 2026.

대동기어: what insiders have been doing

대동기어, classified in the Industrials sector, is a listed company. Its insiders report their share dealings to DART (FSS). Between 2 November 2025 and 2 November 2026, 3 insiders published 10 filings.

On the market, 2 insiders bought (4 purchases) while 3 insiders sold (5 sales). The amount is not disclosed for 9 filings. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. The buyers include 1 major shareholder.

Across the 2,655 companies tracked on its exchange, the median is 7 filings; at 10 filings, this issuer sits above that mark. The full history, which starts in 2021, counts 4 purchases against 7 sales.

The last purchase on record was published on 5 August 2026, which is 97 days ago. Publication is fast: at least half of the trades appear on DART (FSS) on the same day. That lag is the time during which only the insider knows about the trade. A sale on its own says little: insiders also sell to pay tax, fund a purchase or diversify.

Other companies in the same sector with recent insider buying flagged by our signals: Auroora Yhtiöt Oyj and MBB SE. 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.
16
Thresholds
n/a
Buy Volume
€36M
4 ops. · all time
Sell Volume
€17M
7 ops. · all time

Who traded when

BuySale
대동4 buys4 sales
김준식2 sales
한국증권금융1 sale

Since the insiders bought

  • Filed 22 Apr 2026 · 202 days ago · €8.7M
    -45.8%
    Entry ₩19,550 · Close at T+90 ₩10,588

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.

Fundamental score
Ranked 25,145 of 26,911 companies
17.7
score / 100
Value
18
Quality
17
FCF yld-13%
Earn yld-3.9%
EV/EBITDA·
ROE-3.1%
Gross mgn5.5%
Net mgn-2.1%
Debt/EBITDA·
Pillars2/3

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

Financial data

as of FY 2025

FY ended December 2025 · cache

₩5,450
Analyst consensus
·
Income statement
Revenue₩220.9B
Gross profit₩12.2B6% margin
EBITDA₩2.9B1% margin
Net income-₩4.7B-1.1% margin
Valuation
Beta0.22
Balance sheet & cash
Market cap₩104.5B
Total debt₩109.5B
Free Cash Flow-₩16.1B
Debt / Equity169%
Profitability & ownership
ROE-3.1%
ROA-0.1%
% insiders31.3%
% institutions0.3%
Last declaration on 5 August 2026
Declarations17 total
  • ▲
    10%이상주주Executives(filed)
    €7.7Mest.0DART
    1,670,815 sharesShareKRXDART:20260805000358
    Canonical exit: 3 Nov 2026 (T+90)
  • Other
    Other(filed)
    0DART
  • ▼
    10%이상주주Executives(filed)
    €5.8Mest.0DART
    1,032,217 sharesShareKRXDART:20260708000482
  • ▲
    대량보유자Executives(filed)
    €8.7Mest.0DART
    1,563,049 sharesKRXDART:20260708000483
    Canonical exit: 6 Oct 2026 (T+90)
  • ▲
    10%이상주주Executives(filed)
    €11.0Mest.0DART
    2,580,541 sharesShareKRXDART:20260702000483
    Canonical exit: 30 Sept 2026 (T+90)
  • ▼
    대표이사Executives
    0DART
    ShareKRXDART:20260528000936
  • ▼
    Executives
    €842kest.0DART
    68,000 sharesKRXDART:20260422000466
  • ▲
    -Executives
    €8.7Mest.0DART
    1,176,060 sharesShareKRXDART:20260422000465
    Canonical exit: 29 Mar 2026 (T+90)
  • ▼
    Executives
    €214kest.0DART
    20,000 sharesKRXDART:20251229000454
  • ▼
    대표이사Executives(filed)
    €7.5Mest.0DART
    1,176,060 sharesShareKRXDART:20251229000452
  • ●
    Executives
    Executives
    0DART
  • ▼
    Related company / holdingExecutives
    €1.0Mest.0DART
    97,298 sharesKRXDART:20250109000137
  • ▼
    Executives
    €1.5Mest.0DART
    148,290 sharesKRXDART:20241211000502
  • ●
    대표이사Executives
    0DART
    ShareKRXDART:20230913000150
  • ●
    대표이사Executives(filed)
    0DART
    ShareKRXDART:20220509000153
  • ●
    대표이사Executives(filed)
    0DART
    ShareKRXDART:20210608000030
  • ●
    대표이사Executives(filed)
    0DART
    ShareKRXDART:20210507000099

17 of 17 declarations

About 대동기어

Daedong Gear is a company specializing in the manufacturing of mechanical components and gears. It is listed on the XKRX market.

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