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Watanabe Sato Co., Ltd. 1807

Company
株式会社佐藤渡辺Watanabe Sato Co., Ltd.
Investors
6
Buys
5
Total Value
¥1.8B ($11.8M)
Avg Return
+30.54%
Last Filing
2024-07-16

Watanabe Sato Co., Ltd. (1807) has 5 disclosed large-shareholding filings and 3 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥1.8B ($11.8M) in reported transaction value. The earliest filing StockDrifts holds for Watanabe Sato Co., Ltd. is dated 2021-08-12; the most recent is 2024-07-16. 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 +30.54%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-08-10SELLnegotiated
UBE三菱セメント株式会社
Mitsubishi UBE Cement Corporation
strategic162.0K¥1,876-1.2%¥301M ($1.9M)
2024-07-16BUYMarket Buy
佐藤工業株式会社
SATO KOGYO CO.,LTD.
other1.3M¥1,824+7.5%¥1.3B ($8.5M)
2024-07-16BUYunknown
渡邉 忠泰
Watanabe Tadayasu
other60.4K¥1,824+7.5%¥97M ($623K)
2023-05-22SELLunknown
エフエムアール エルエルシー(FMR LLC)
FMR LLC
other125.9K¥1,255-56.2%¥43M ($274K)
2022-12-21SELLunknown
UBE株式会社
UBE Corporation
unknown0¥1,085-80.7%¥175M ($1.1M)
2022-12-20BUYnegotiated
UBE三菱セメント株式会社
Mitsubishi UBE Cement Corporation
strategic161.0K¥1,085+80.7%¥175M ($1.1M)
2022-03-23BUYunknown
エフエムアール エルエルシー(FMR LLC)
FMR LLC
other159.9K¥1,547.5+26.7%¥247M ($1.6M)
2022-03-15BUYunknown
佐藤工業株式会社
SATO KOGYO CO.,LTD.
strategic290.0K¥1,502.5+30.4%¥436M ($2.8M)
2021-08-12SELLunknown
ジョン・ハートレー・ティッド・キンバル(John Hartley Tidd Kimball)
John Hartley Tidd Kimball
unknown0¥1,650-18.8%¥613M ($4.0M)

Frequently asked questions

Who has been buying Watanabe Sato Co., Ltd. stock?
6 distinct investors have filed 5 disclosed large-shareholding filings in Watanabe Sato Co., Ltd. (1807), most recently on 2024-07-16. 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 Watanabe Sato Co., Ltd. have?
Watanabe Sato Co., Ltd. has 5 buy-side and 3 sell-side disclosures on record, covering ¥1.8B ($11.8M) in total reported value, spanning 2021-08-12 to 2024-07-16.
Where does StockDrifts get Watanabe Sato Co., Ltd. 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 Watanabe Sato Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.