StockDrifts LogoStockDrifts

Extreme Co.,Ltd. 6033

Company
株式会社エクストリームExtreme Co.,Ltd.
Investors
4
Buys
6
Total Value
¥953M ($6.1M)
Avg Return
+21.44%
Last Filing
2026-02-18

Extreme Co.,Ltd. (6033) has 6 disclosed large-shareholding filings and 8 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥953M ($6.1M) in reported transaction value. The earliest filing StockDrifts holds for Extreme Co.,Ltd. is dated 2021-11-04; the most recent is 2026-02-18. Across these filings the average return since disclosure is +21.44%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-09-01BUYMarket Buy
エスエスカンパニー合同会社
strategic1.9M¥1,688+5.8%¥2.7B ($17.1M)
2026-09-01BUYunknown
佐藤 佳子
strategic24.0K¥1,688--
2026-09-01SELLnegotiated
佐藤 昌平
activist622.8K¥1,688-5.8%¥2.7B ($17.1M)
2026-02-18SELLnegotiated
佐藤 昌平
activist2.2M¥1,418-25.9%¥191M ($1.2M)
2026-02-18BUYnegotiated
佐藤 佳子
strategic24.0K¥1,418--
2026-02-18BUYnegotiated
エスエスカンパニー合同会社
strategic284.8K¥1,418+25.9%¥191M ($1.2M)
2025-11-18SELLnegotiated
佐藤 昌平
SHOHEI SATO
activist2.3M¥1,275-40.0%¥190M ($1.2M)
2025-11-18SELLnegotiated
佐藤 昌平
SHOHEI SATO
activist2.3M¥1,275-40.0%¥190M ($1.2M)
2025-11-18SELLnegotiated
佐藤 昌平
SHOHEI SATO
activist2.3M¥1,275-40.0%¥190M ($1.2M)
2025-11-18BUYnegotiated
佐藤 佳子
Yoshiko Sato
strategic24.0K¥1,275--
2025-11-18BUYnegotiated
エスエスカンパニー合同会社
SS Company LLC
strategic149.8K¥1,275+40.0%¥173M ($1.1M)
2025-11-18BUYnegotiated
エスエスカンパニー合同会社
SS Company LLC
strategic149.8K¥1,275+40.0%¥173M ($1.1M)
2025-11-18BUYnegotiated
佐藤 佳子
Yoshiko Sato
strategic24.0K¥1,275--
2025-11-18BUYnegotiated
エスエスカンパニー合同会社
SS Company LLC
strategic149.8K¥1,275+40.0%¥173M ($1.1M)
2025-11-18BUYnegotiated
佐藤 佳子
Yoshiko Sato
strategic24.0K¥1,275--
2023-08-25SELLMarket Buy
株式会社EPARK
EPARK , INC.
passive241.0K¥1,341-33.1%¥76M ($490K)
2023-04-07SELLMarket Buy
株式会社EPARK
EPARK , INC.
passive297.2K¥1,335-33.7%¥3M ($19K)
2022-03-30BUYnegotiated
佐藤 佳子
Yoshiko Sato
strategic24.0K¥974--
2022-03-30BUYnegotiated
佐藤 昌平
SHOHEI SATO
activist2.5M¥974--
2022-03-30SELLnegotiated
佐藤 昌平
SHOHEI SATO
activist2.5M¥974-83.3%¥197K ($1K)
2022-03-30BUYnegotiated
佐藤 佳子
Yoshiko Sato
strategic24.0K¥974--
2022-03-30BUYnegotiated
エスエスカンパニー合同会社
SS Company LLC
strategic13.8K¥974+83.3%¥7M ($45K)
2022-03-30BUYnegotiated
エスエスカンパニー合同会社
SS Company LLC
strategic13.8K¥974--
2021-11-04SELLnegotiated
佐藤 昌平
SHOHEI SATO
activist2.5M¥1,134-57.4%¥230K ($1K)
2021-11-04BUYnegotiated
佐藤 佳子
Yoshiko Sato
strategic24.0K¥1,134--
2021-11-04BUYnegotiated
エスエスカンパニー合同会社
SS Company LLC
strategic13.8K¥1,134+57.4%¥8M ($52K)

Frequently asked questions

Who has been buying Extreme Co.,Ltd. stock?
4 distinct investors have filed 6 disclosed large-shareholding filings in Extreme Co.,Ltd. (6033), most recently on 2026-02-18. 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 Extreme Co.,Ltd. have?
Extreme Co.,Ltd. has 6 buy-side and 8 sell-side disclosures on record, covering ¥953M ($6.1M) in total reported value, spanning 2021-11-04 to 2026-02-18.
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.

More on this data

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