Who has been buying Ace Tech stock?

0 distinct insiders have filed 0 disclosed insider purchases in Ace Tech (088800), most recently on 2026-04-24. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.

How many insider filings does Ace Tech have?

Ace Tech has 0 buy-side and 0 sell-side disclosures on record, spanning 2024-09-27 to 2026-04-24.

Where does StockDrifts get Ace Tech insider data?

From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.

Do insider buys in Korean stocks predict returns?

Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Ace Tech 088800

Company

에이스테크Ace Tech

Insiders

Buys

Total Value

—

Avg Return

—

Last Filing

2026-04-24

Ace Tech (088800) has 0 disclosed insider purchases and 0 disclosed disposals on record, filed by 0 distinct insiders. The earliest filing StockDrifts holds for Ace Tech is dated 2024-09-27; the most recent is 2026-04-24. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea).

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2026-04-24	SELL	시간외매매	엔브이9홀딩스 NV9 Holdings	-	-1.0M	₩4,770	+0.8%	₩4.8B ($3.3M)
2026-04-22	SELL	시간외매매	엔브이9홀딩스 NV9 Holdings	-	-1.0M	₩5,100	+7.3%	₩5.1B ($3.5M)
2025-04-16	SELL	자본감소	엔브이9홀딩스 NV9 Holdings	-	-25.6M	-	-	-
2024-12-30	BUY	합병	신아텍 Shinatec	-	24.8M	₩2,181	+38.5%	₩54.0B ($37.5M)
2024-11-15	BUY	유상신주취득	엔브이9홀딩스 NV9 Holdings	-	22.6M	₩2,628	+14.9%	₩59.3B ($41.2M)
2024-11-15	SELL	기타	엔브이메자닌플러스사모투자 NV Mezzanine Plus Private Investment	-	-6.1M	₩2,628	-14.9%	₩16.2B ($11.2M)
2024-11-15	BUY	유상신주취득	엔브이메자닌플러스사모투자 NV Mezzanine Plus Private Investment	-	32.3M	₩2,628	+14.9%	₩85.0B ($59.0M)
2024-09-30	BUY	유상신주취득	엔브이메자닌플러스사모투자 NV Mezzanine Plus Private Investment	-	41.3M	₩3,263	-7.5%	₩134.7B ($93.5M)
2024-09-30	BUY	유상신주취득	엔브이9홀딩스 NV9 Holdings	-	15.9M	₩3,263	-7.5%	₩51.8B ($36.0M)
2024-09-30	BUY	행사가액조정	엔브이메자닌플러스사모투자 NV Mezzanine Plus Private Investment	-	265.6K	₩3,263	-7.5%	₩867M ($602K)
2024-09-27	SELL	기타	엔브이메자닌플러스사모투자 NV Mezzanine Plus Private Investment	-	-1.1M	₩2,511	-20.3%	₩2.8B ($2.0M)
2024-09-27	SELL	기타	엔브이메자닌플러스사모투자 NV Mezzanine Plus Private Investment	-	-2.2M	₩2,511	-20.3%	₩5.6B ($3.9M)
2024-09-27	BUY	신규보고	엔브이메자닌플러스사모투자 NV Mezzanine Plus Private Investment	-	8.1M	₩2,511	+20.3%	₩20.4B ($14.1M)
2024-09-27	SELL	기타	엔브이9홀딩스 NV9 Holdings	-	-1.3M	₩2,511	-20.3%	₩3.2B ($2.2M)
2024-09-27	BUY	신규보고	엔브이메자닌플러스사모투자 NV Mezzanine Plus Private Investment	-	1.1M	₩2,511	+20.3%	₩2.8B ($2.0M)
2024-09-27	BUY	신규보고	엔브이9홀딩스 NV9 Holdings	-	1.3M	₩2,511	+20.3%	₩3.2B ($2.2M)

Frequently asked questions

Who has been buying Ace Tech stock?: 0 distinct insiders have filed 0 disclosed insider purchases in Ace Tech (088800), most recently on 2026-04-24. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.
How many insider filings does Ace Tech have?: Ace Tech has 0 buy-side and 0 sell-side disclosures on record, spanning 2024-09-27 to 2026-04-24.
Where does StockDrifts get Ace Tech insider data?: From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Source filings

Every trade listed above is disclosed in DART D001/D002 insider disclosures, filed with the Financial Supervisory Service (Korea). View the original DART filings for Ace Tech. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.