South Korea Metals & Mining

Seah Steel Holdings Corp (003030)

Track

Track

Representative Director Lee Joo Sung executed three consecutive buy transactions totaling 208.4 million KRW during October 2026. These acquisitions occurred amidst a 9.7% decline in stock value over the preceding quarter. No other insider trading activity was recorded recently, and the firm has not disclosed a specific date for its next earnings report.
Ticker: 003030 Exchange: KSC
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Seah Steel Holdings Corp. Upgrade to see score, net flow, insiders and the full signal context.

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Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Lee Joo Sung (이주성) Representative Director and President (대표이사 사장) Executive Director Large shareholder
Transaction date
Purchase
Price
14.46
Quantity 82,204 +23.3%
Value ₩4,016,103
Lee Joo Sung (이주성) Representative Director and President (대표이사 사장) Executive Director Large shareholder
Transaction date
Purchase
Price
436.14
Quantity 587 -6.2%
Value ₩294,688
Lee Joo Sung (이주성) Representative Director and President (대표이사 사장) Executive Director Large shareholder
Transaction date
Purchase
Price
226.35
Quantity 70,015 -3.5%
Value ₩3,958,064
APAC INVESTORS ((주)에이팩인베스터스) Unclassified position Large shareholder
Transaction date
Purchase
Price
39,143.00
Quantity 1,000 +0.1%
Value ₩39,143,000
APAC INVESTORS ((주)에이팩인베스터스) Unclassified position Large shareholder
Transaction date
Purchase
Price
39,866.00
Quantity 3,500 +0.4%
Value ₩139,531,000
Lee Tae Sung (이태성) Unclassified position Large shareholder
Transaction date
Sale
Price
97,056.00
Quantity 354 -0.1%
Value ₩34,357,824
Lee Tae Sung (이태성) Unclassified position Large shareholder
Transaction date
Sale
Price
97,703.00
Quantity 1,943 -0.5%
Value ₩189,836,929
Lee Tae Sung (이태성) Unclassified position Large shareholder
Transaction date
Sale
Price
96,761.00
Quantity 2,872 -0.8%
Value ₩277,897,592
Lee Tae Sung (이태성) Unclassified position Large shareholder
Transaction date
Sale
Price
96,300.00
Quantity 300,000 -45.1%
Value ₩28,890,000,000
National Pension Service (국민연금공단) Unclassified position Large shareholder
Transaction date
Sale
Price
95,790.00
Quantity 1,330 -0.2%
Value ₩127,400,700
Lee Joo Sung (이주성) Unclassified position (전무) Officer Large shareholder
Transaction date
Purchase
Price
92,127.00
Quantity 3,600 +0.5%
Value ₩331,657,200
Lee Joo Sung (이주성) Unclassified position (전무) Officer Large shareholder
Transaction date
Purchase
Price
92,464.00
Quantity 5,000 +0.7%
Value ₩462,320,000
Lee Joo Sung (이주성) Unclassified position (전무) Officer Large shareholder
Transaction date
Purchase
Price
92,732.00
Quantity 1,990 +0.3%
Value ₩184,536,680
Lee Joo Sung (이주성) Unclassified position (전무) Officer Large shareholder
Transaction date
Purchase
Price
91,619.00
Quantity 6,100 +0.9%
Value ₩558,875,900
Lee Tae Sung (이태성) Unclassified position Large shareholder
Transaction date
Sale
Price
107,934.00
Quantity 8,647 -1.3%
Value ₩933,305,298
Lee Tae Sung (이태성) Unclassified position Large shareholder
Transaction date
Sale
Price
109,734.00
Quantity 2,138 -0.3%
Value ₩234,611,292
Lee Tae Sung (이태성) Unclassified position Large shareholder
Transaction date
Sale
Price
93,191.00
Quantity 8,401 -1.1%
Value ₩782,897,591
Lee Tae Sung (이태성) Unclassified position Large shareholder
Transaction date
Sale
Price
93,520.00
Quantity 8,269 -1.1%
Value ₩773,316,880
Lee Tae Sung (이태성) Unclassified position Large shareholder
Transaction date
Sale
Price
93,758.00
Quantity 14,345 -1.9%
Value ₩1,344,958,510
Lee Tae Sung (이태성) Unclassified position Large shareholder
Transaction date
Sale
Price
96,241.00
Quantity 11,184 -1.4%
Value ₩1,076,359,344
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-10-22 2026-10-20 B Purchase Lee Joo Sung (이주성)

Representative Director and President (대표이사 사장)

Executive Director Large shareholder
82,204 +23.3%
14.46
₩4,016,103 		82,204 +23.3% 14.46 ₩4,016,103
2026-10-22 2026-10-19 B Purchase Lee Joo Sung (이주성)

Representative Director and President (대표이사 사장)

Executive Director Large shareholder
587 -6.2%
436.14
₩294,688 		587 -6.2% 436.14 ₩294,688
2026-10-22 2026-10-15 B Purchase Lee Joo Sung (이주성)

Representative Director and President (대표이사 사장)

Executive Director Large shareholder
70,015 -3.5%
226.35
₩3,958,064 		70,015 -3.5% 226.35 ₩3,958,064
2020-02-20 2020-02-18 B Purchase APAC INVESTORS ((주)에이팩인베스터스)

Unclassified position

Large shareholder
1,000 +0.1%
39,143.00
₩39,143,000 		1,000 +0.1% 39,143.00 ₩39,143,000
2020-02-20 2020-02-13 B Purchase APAC INVESTORS ((주)에이팩인베스터스)

Unclassified position

Large shareholder
3,500 +0.4%
39,866.00
₩139,531,000 		3,500 +0.4% 39,866.00 ₩139,531,000
2017-12-27 2017-12-27 S Sale Lee Tae Sung (이태성)

Unclassified position

Large shareholder
354 -0.1%
97,056.00
₩34,357,824 		354 -0.1% 97,056.00 ₩34,357,824
2017-12-27 2017-12-26 S Sale Lee Tae Sung (이태성)

Unclassified position

Large shareholder
1,943 -0.5%
97,703.00
₩189,836,929 		1,943 -0.5% 97,703.00 ₩189,836,929
2017-12-27 2017-12-22 S Sale Lee Tae Sung (이태성)

Unclassified position

Large shareholder
2,872 -0.8%
96,761.00
₩277,897,592 		2,872 -0.8% 96,761.00 ₩277,897,592
2017-12-27 2017-12-22 S Sale Lee Tae Sung (이태성)

Unclassified position

Large shareholder
300,000 -45.1%
96,300.00
₩28,890,000,000 		300,000 -45.1% 96,300.00 ₩28,890,000,000
2017-12-18 2017-12-12 S Sale National Pension Service (국민연금공단)

Unclassified position

Large shareholder
1,330 -0.2%
95,790.00
₩127,400,700 		1,330 -0.2% 95,790.00 ₩127,400,700
2017-11-03 2017-10-31 B Purchase Lee Joo Sung (이주성)

Unclassified position (전무)

Officer Large shareholder
3,600 +0.5%
92,127.00
₩331,657,200 		3,600 +0.5% 92,127.00 ₩331,657,200
2017-11-03 2017-10-30 B Purchase Lee Joo Sung (이주성)

Unclassified position (전무)

Officer Large shareholder
5,000 +0.7%
92,464.00
₩462,320,000 		5,000 +0.7% 92,464.00 ₩462,320,000
2017-10-19 2017-10-18 B Purchase Lee Joo Sung (이주성)

Unclassified position (전무)

Officer Large shareholder
1,990 +0.3%
92,732.00
₩184,536,680 		1,990 +0.3% 92,732.00 ₩184,536,680
2017-10-19 2017-10-17 B Purchase Lee Joo Sung (이주성)

Unclassified position (전무)

Officer Large shareholder
6,100 +0.9%
91,619.00
₩558,875,900 		6,100 +0.9% 91,619.00 ₩558,875,900
2017-09-22 2017-09-22 S Sale Lee Tae Sung (이태성)

Unclassified position

Large shareholder
8,647 -1.3%
107,934.00
₩933,305,298 		8,647 -1.3% 107,934.00 ₩933,305,298
2017-09-22 2017-09-21 S Sale Lee Tae Sung (이태성)

Unclassified position

Large shareholder
2,138 -0.3%
109,734.00
₩234,611,292 		2,138 -0.3% 109,734.00 ₩234,611,292
2017-07-27 2017-07-27 S Sale Lee Tae Sung (이태성)

Unclassified position

Large shareholder
8,401 -1.1%
93,191.00
₩782,897,591 		8,401 -1.1% 93,191.00 ₩782,897,591
2017-07-27 2017-07-26 S Sale Lee Tae Sung (이태성)

Unclassified position

Large shareholder
8,269 -1.1%
93,520.00
₩773,316,880 		8,269 -1.1% 93,520.00 ₩773,316,880
2017-07-27 2017-07-25 S Sale Lee Tae Sung (이태성)

Unclassified position

Large shareholder
14,345 -1.9%
93,758.00
₩1,344,958,510 		14,345 -1.9% 93,758.00 ₩1,344,958,510
2017-07-27 2017-07-24 S Sale Lee Tae Sung (이태성)

Unclassified position

Large shareholder
11,184 -1.4%
96,241.00
₩1,076,359,344 		11,184 -1.4% 96,241.00 ₩1,076,359,344
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