Who has been buying Watch Ai stock?

4 distinct insiders have filed 8 disclosed insider purchases in Watch Ai (150900), most recently on 2026-06-18. 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 Watch Ai have?

Watch Ai has 8 buy-side and 1 sell-side disclosures on record, covering ₩58M ($40K) in total reported value, spanning 2013-10-26 to 2026-06-18.

Do insider buys in Korean stocks predict returns?

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

Watch Ai 150900

Company

파수에이아이Watch Ai

Insiders

Buys

Total Value

₩58M ($40K)

Avg Return

-20.46%

Last Filing

2026-06-18

Watch Ai (150900) has 8 disclosed insider purchases and 1 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩58M ($40K) in reported transaction value. The earliest filing StockDrifts holds for Watch Ai is dated 2013-10-26; the most recent is 2026-06-18. Across these filings the average return since disclosure is -20.46%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2026-06-18	BUY	Market Buy	강용권 Kang Yong-kwon	Managing Director	3.3K	-	-	-
2026-06-15	BUY	Market Buy	강용권 Kang Yong-kwon	Managing Director	4.8K	-	-	-
2026-04-27	SELL	Market Sell	황항수 Hwang Hang-su	Managing Director	-1.0K	₩6,140	+7.8%	₩6M ($4K)
2026-02-06	BUY	Market Buy	손종곤 Son Jong-gon	Managing Director	200	₩3,750	+0.9%	₩750K ($521)
2026-02-03	BUY	Market Buy	손종곤 Son Jong-gon	Managing Director	500	₩3,820	-0.9%	₩2M ($1K)
2025-09-30	BUY	기타	윤경구 Kyeong-gu Yoon	Managing Director	4.3K	₩5,120	-26.1%	₩22M ($15K)
2025-07-22	SELL	증여	이지수 Jisu Lee	Managing Director	-20.0K	₩4,910	+22.9%	₩98M ($68K)
2024-07-16	BUY	Market Buy	손종곤 Son Jong-gon	Managing Director	500	₩5,750	-34.2%	₩3M ($2K)
2024-07-11	BUY	Market Buy	손종곤 Son Jong-gon	Managing Director	300	₩5,670	-33.3%	₩2M ($1K)
2024-03-21	BUY	Market Buy	김용길 Kim Yong-gil	Managing Director	3.4K	₩6,530	-42.0%	₩22M ($15K)
2024-03-20	BUY	Market Buy	김용길 Kim Yong-gil	Managing Director	3.5K	₩6,480	-41.6%	₩23M ($16K)
2024-03-06	BUY	신규선임	황항수 Hwang Hang-su	Managing Director	1.0K	₩6,710	-43.6%	₩7M ($5K)
2024-01-01	BUY	신규선임	손종곤 Son Jong-gon	Managing Director	4.2K	₩9,470	-60.0%	₩40M ($28K)
2015-04-09	BUY	주식매수선택권	김용길 Kim Yong-gil	Managing Director	5.0K	₩11,550	-67.2%	₩58M ($40K)
2013-10-26	SELL	기타	김용길 Kim Yong-gil	Managing Director	-689	-	-	-

Frequently asked questions

Who has been buying Watch Ai stock?: 4 distinct insiders have filed 8 disclosed insider purchases in Watch Ai (150900), most recently on 2026-06-18. 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 Watch Ai have?: Watch Ai has 8 buy-side and 1 sell-side disclosures on record, covering ₩58M ($40K) in total reported value, spanning 2013-10-26 to 2026-06-18.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.