StockDrifts LogoStockDrifts

KLASS Corporation 6233

Company
極東産機株式会社KLASS Corporation
Investors
4
Buys
3
Total Value
¥579M ($3.7M)
Avg Return
-22.37%
Last Filing
2023-08-28

KLASS Corporation (6233) has 3 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥579M ($3.7M) in reported transaction value. The earliest filing StockDrifts holds for KLASS Corporation is dated 2021-05-26; the most recent is 2023-08-28. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan). Across these filings the average return since disclosure is -22.37%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2023-08-28BUYunknown
頃安 憲司
KENJI KOROYASU
activist1.4M¥538-25.8%¥755M ($4.9M)
2021-12-06BUYnegotiated
頃安 雅樹
Masaki Koroyasu
activist272.2K¥514-22.4%¥135M ($873K)
2021-12-06BUYunknown
頃安 憲司
KENJI KOROYASU
activist1.4M¥514-22.4%¥308M ($2.0M)
2021-12-06SELLnegotiated
頃安 由紀子
Yukiko Korayasu
activist40.0K¥514+22.4%¥554K ($4K)
2021-12-06SELLnegotiated
頃安 由紀子
Yukiko Korayasu
activist40.0K¥514+22.4%¥554K ($4K)
2021-12-06BUYnegotiated
頃安 雅樹
Masaki Koroyasu
activist272.2K¥514-22.4%¥135M ($873K)
2021-12-06BUYMarket Buy
頃安 憲司
KENJI KOROYASU
activist1.4M¥514-22.4%¥308M ($2.0M)
2021-05-26SELLMarket Buy
大阪中小企業投資育成株式会社
Osaka Small and Medium Business Investment & Consultation Co.,Ltd
passive360.0K¥599+33.4%¥6M ($42K)

Frequently asked questions

Who has been buying KLASS Corporation stock?
4 distinct investors have filed 3 disclosed large-shareholding filings in KLASS Corporation (6233), most recently on 2023-08-28. 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 KLASS Corporation have?
KLASS Corporation has 3 buy-side and 3 sell-side disclosures on record, covering ¥579M ($3.7M) in total reported value, spanning 2021-05-26 to 2023-08-28.
Where does StockDrifts get KLASS Corporation insider data?
From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.
Do insider buys in Japanese stocks predict returns?
Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

Source filings

Every trade listed above is disclosed in EDINET large-shareholding (5%+) reports, filed with the Financial Services Agency (Japan). View the original EDINET filings for KLASS Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.