South Korea Professional & Commercial Services

Clean & Science Co Ltd (045520)

Track

Track

Clean & Science Co Ltd experienced significant insider trading activity over the past 90 days, characterized exclusively by 22 buy transactions. Six individuals accumulated shares, totaling over 923 million KRW in value. This buying trend coincides with an 8.9% stock price increase, despite no recent earnings report data being available for context.
Ticker: 045520 Exchange: KOE
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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 Clean & Science Co Ltd. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Evangelina Pte., Ltd (유한회사 에반젤리나) Unclassified position Large shareholder
Transaction date
Planned purchase
Price
423.77
Quantity 1,521
Value ₩4,953,233
Choi Jae ho (최재호) Director (이사) Director Large shareholder
Transaction date
Purchase
Price
393.62
Quantity 30,233 +1.3%
Value ₩4,056,211
Choi Jae ho (최재호) Director (이사) Director Large shareholder
Transaction date
Purchase
Price
406.26
Quantity 70,128 -32.9%
Value ₩2,345,832
Choi Jae ho (최재호) Director (이사) Director Large shareholder
Transaction date
Purchase
Price
3,190.00
Quantity 1,000 +0.4%
Value ₩100,000
Evangelina Pte., Ltd. (유한회사 에반젤리나) Position not specified Large shareholder
Transaction date
Purchase
Price
3,190.00
Quantity 3,943 +9.4%
Value ₩12,578,170
Delta PDS Co., Ltd. (델타피디에스 주식회사) No position specified Large shareholder
Transaction date
Purchase
Price
3,150.00
Quantity 10,000 +1.2%
Value ₩31,500,000
Evangelina Pte., Ltd. (유한회사 에반젤리나) Position not specified Large shareholder
Transaction date
Purchase
Price
3,187.00
Quantity 5,137 +14.0%
Value ₩16,371,619
Evangelina Pte., Ltd. (유한회사 에반젤리나) Not specified Large shareholder
Transaction date
Purchase
Price
3,200.00
Quantity 14,187 +62.7%
Value ₩45,398,400
Choi Jae won (최재원) Director (이사) Director Large shareholder
Transaction date
Purchase
Price
3,205.00
Quantity 3,783 +0.4%
Value ₩12,124,515
Delta PDS Co., Ltd. (델타피디에스 주식회사) Not specified Large shareholder
Transaction date
Purchase
Price
3,200.00
Quantity 10,000 +1.2%
Value ₩32,000,000
Choi Jae won (최재원) Director (이사) Director Large shareholder
Transaction date
Purchase
Price
3,200.00
Quantity 3,000 +0.3%
Value ₩9,600,000
LEE HAN OK (이한옥) Unclassified position (상무) Officer
Transaction date
Purchase
Price
3,205.00
Quantity 1,300 +35.1%
Value ₩4,166,500
E Ban Jel Ri Na (에반젤리나)
Transaction date
Planned purchase
Price
2,575.00
Quantity 116,505
Value ₩300,000,000
Delta PDS Co., Ltd. (델타피디에스 주식회사) Not specified Large shareholder
Transaction date
Purchase
Price
3,200.00
Quantity 2,403 +0.3%
Value ₩7,689,600
Delta PDS Co., Ltd. (델타피디에스 주식회사) Not specified Large shareholder
Transaction date
Purchase
Price
3,299.00
Quantity 14,000 +1.8%
Value ₩46,186,000
Delta PDS Co., Ltd. (델타피디에스 주식회사) Unclassified position Large shareholder
Transaction date
Purchase
Price
3,176.00
Quantity 14,163 +1.8%
Value ₩44,981,688
Delta PDS Co., Ltd. (델타피디에스 주식회사) Unclassified position Large shareholder
Transaction date
Purchase
Price
3,170.00
Quantity 15,399 +2.0%
Value ₩48,814,830
Choi Jae won (최재원) Director (이사) Director Large shareholder
Transaction date
Purchase
Price
3,221.00
Quantity 3,105 +0.3%
Value ₩10,001,205
Choi Jae won (최재원) Director (이사) Director Large shareholder
Transaction date
Purchase
Price
2,963.00
Quantity 3,502 +0.4%
Value ₩10,376,426
Choi Jae won (최재원) Director (이사) Director Large shareholder
Transaction date
Purchase
Price
2,929.00
Quantity 2,566 +0.3%
Value ₩7,515,814
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-10-01 2026-11-02 PP Planned purchase Evangelina Pte., Ltd (유한회사 에반젤리나)

Unclassified position

Large shareholder
1,521
423.77
₩4,953,233 		1,521 423.77 ₩4,953,233
2026-10-23 2026-10-19 B Purchase Choi Jae ho (최재호)

Director (이사)

Director Large shareholder
30,233 +1.3%
393.62
₩4,056,211 		30,233 +1.3% 393.62 ₩4,056,211
2026-10-16 2026-10-15 B Purchase Choi Jae ho (최재호)

Director (이사)

Director Large shareholder
70,128 -32.9%
406.26
₩2,345,832 		70,128 -32.9% 406.26 ₩2,345,832
2026-10-16 2026-10-14 B Purchase Choi Jae ho (최재호)

Director (이사)

Director Large shareholder
1,000 +0.4%
3,190.00
₩100,000 		1,000 +0.4% 3,190.00 ₩100,000
2026-09-30 2026-09-30 B Purchase Evangelina Pte., Ltd. (유한회사 에반젤리나)

Position not specified

Large shareholder
3,943 +9.4%
3,190.00
₩12,578,170 		3,943 +9.4% 3,190.00 ₩12,578,170
2026-10-02 2026-09-29 B Purchase Delta PDS Co., Ltd. (델타피디에스 주식회사)

No position specified

Large shareholder
10,000 +1.2%
3,150.00
₩31,500,000 		10,000 +1.2% 3,150.00 ₩31,500,000
2026-09-30 2026-09-29 B Purchase Evangelina Pte., Ltd. (유한회사 에반젤리나)

Position not specified

Large shareholder
5,137 +14.0%
3,187.00
₩16,371,619 		5,137 +14.0% 3,187.00 ₩16,371,619
2026-09-28 2026-09-28 B Purchase Evangelina Pte., Ltd. (유한회사 에반젤리나)

Not specified

Large shareholder
14,187 +62.7%
3,200.00
₩45,398,400 		14,187 +62.7% 3,200.00 ₩45,398,400
2026-09-23 2026-09-23 B Purchase Choi Jae won (최재원)

Director (이사)

Director Large shareholder
3,783 +0.4%
3,205.00
₩12,124,515 		3,783 +0.4% 3,205.00 ₩12,124,515
2026-09-28 2026-09-22 B Purchase Delta PDS Co., Ltd. (델타피디에스 주식회사)

Not specified

Large shareholder
10,000 +1.2%
3,200.00
₩32,000,000 		10,000 +1.2% 3,200.00 ₩32,000,000
2026-09-23 2026-09-22 B Purchase Choi Jae won (최재원)

Director (이사)

Director Large shareholder
3,000 +0.3%
3,200.00
₩9,600,000 		3,000 +0.3% 3,200.00 ₩9,600,000
2026-09-22 2026-09-22 B Purchase LEE HAN OK (이한옥)

Unclassified position (상무)

Officer
1,300 +35.1%
3,205.00
₩4,166,500 		1,300 +35.1% 3,205.00 ₩4,166,500
2026-09-30 2026-09-21 PP Planned purchase E Ban Jel Ri Na (에반젤리나)
116,505
2,575.00
₩300,000,000 		116,505 2,575.00 ₩300,000,000
2026-09-28 2026-09-21 B Purchase Delta PDS Co., Ltd. (델타피디에스 주식회사)

Not specified

Large shareholder
2,403 +0.3%
3,200.00
₩7,689,600 		2,403 +0.3% 3,200.00 ₩7,689,600
2026-09-28 2026-09-18 B Purchase Delta PDS Co., Ltd. (델타피디에스 주식회사)

Not specified

Large shareholder
14,000 +1.8%
3,299.00
₩46,186,000 		14,000 +1.8% 3,299.00 ₩46,186,000
2026-09-18 2026-09-17 B Purchase Delta PDS Co., Ltd. (델타피디에스 주식회사)

Unclassified position

Large shareholder
14,163 +1.8%
3,176.00
₩44,981,688 		14,163 +1.8% 3,176.00 ₩44,981,688
2026-09-18 2026-09-16 B Purchase Delta PDS Co., Ltd. (델타피디에스 주식회사)

Unclassified position

Large shareholder
15,399 +2.0%
3,170.00
₩48,814,830 		15,399 +2.0% 3,170.00 ₩48,814,830
2026-09-18 2026-09-15 B Purchase Choi Jae won (최재원)

Director (이사)

Director Large shareholder
3,105 +0.3%
3,221.00
₩10,001,205 		3,105 +0.3% 3,221.00 ₩10,001,205
2026-09-18 2026-09-11 B Purchase Choi Jae won (최재원)

Director (이사)

Director Large shareholder
3,502 +0.4%
2,963.00
₩10,376,426 		3,502 +0.4% 2,963.00 ₩10,376,426
2026-09-11 2026-09-10 B Purchase Choi Jae won (최재원)

Director (이사)

Director Large shareholder
2,566 +0.3%
2,929.00
₩7,515,814 		2,566 +0.3% 2,929.00 ₩7,515,814
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