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Central Glass Co., Ltd. 4044

Company
セントラル硝子株式会社Central Glass Co., Ltd.
Investors
11
Buys
29
Total Value
¥23.6B ($152.3M)
Avg Return
+51.20%
Last Filing
2026-04-07

Central Glass Co., Ltd. (4044) has 29 disclosed large-shareholding filings and 28 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥23.6B ($152.3M) in reported transaction value. The earliest filing StockDrifts holds for Central Glass Co., Ltd. is dated 2021-06-17; the most recent is 2026-04-07. 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 +51.20%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-04-07SELLunknown
アセットマネジメントOne株式会社
other986.7K¥4,220+3.2%¥33M ($212K)
2026-04-07SELLunknown
みずほ証券 株式会社
other60.0K¥4,220+3.2%¥11M ($71K)
2026-04-07SELLunknown
株式会社みずほ銀行
unknown0¥4,220+3.2%¥2.1B ($13.6M)
2025-10-07BUYMarket Buy
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other994.9K¥3,330+26.6%¥554M ($3.6M)
2025-10-07BUYMarket Buy
みずほ証券 株式会社
Mizuho Securities Co., Ltd.
other61.7K¥3,330+26.6%¥61M ($391K)
2025-10-07BUYMarket Buy
株式会社みずほ銀行
Mizuho Bank, Ltd.
other500.0K¥3,330+26.6%¥1.7B ($10.7M)
2025-09-19BUYunknown
アモーヴァ・アセットマネジメント株式会社
Amova Asset Management Co., Ltd.
other366.3K¥3,380+24.7%¥202M ($1.3M)
2025-09-19BUYunknown
三井住友トラスト・アセットマネジメント株式会社
Sumitomo Mitsui Trust Asset Management Co.,Ltd.
other750.0K¥3,380+24.7%¥211M ($1.4M)
2025-09-19SELLunknown
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
other378.0K¥3,380-24.7%¥589M ($3.8M)
2025-04-22BUYunknown
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other828.6K¥2,833+48.8%¥74M ($475K)
2025-04-22SELLunknown
みずほ証券 株式会社
Mizuho Securities Co., Ltd.
other43.9K¥2,833-48.8%¥44M ($285K)
2025-04-22SELLunknown
株式会社みずほ銀行
Mizuho Bank, Ltd.
other500.0K¥2,833-48.8%¥1.4B ($9.2M)
2025-04-07BUYMarket Buy
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other802.3K¥2,665+58.2%¥166M ($1.1M)
2025-04-07BUYMarket Buy
みずほ証券 株式会社
Mizuho Securities Co., Ltd.
other60.6K¥2,665+58.2%¥161M ($1.0M)
2025-04-07BUYMarket Buy
株式会社みずほ銀行
Mizuho Bank, Ltd.
other1.0M¥2,665+58.2%¥2.7B ($17.2M)
2024-10-07BUYMarket Buy
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other739.8K¥3,510+20.1%¥374M ($2.4M)
2024-10-07BUYMarket Buy
みずほ証券 株式会社
Mizuho Securities Co., Ltd.
other59.2K¥3,510+20.1%¥208M ($1.3M)
2024-10-07BUYMarket Buy
株式会社みずほ銀行
Mizuho Bank, Ltd.
other1.0M¥3,510+20.1%¥3.5B ($22.6M)
2024-03-06BUYunknown
日興アセットマネジメント株式会社
Nikko Asset Management Co.,Ltd.
other307.1K¥2,884+46.1%¥886M ($5.7M)
2024-03-06SELLunknown
三井住友トラスト・アセットマネジメント株式会社
Sumitomo Mitsui Trust Asset Management Co.,Ltd.
other686.9K¥2,884-46.1%¥210M ($1.4M)
2024-03-06SELLunknown
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
other551.2K¥2,884-46.1%¥225M ($1.5M)
2024-01-19BUYnegotiated
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
strategic630.0K¥2,738+53.9%¥1.7B ($11.1M)
2024-01-19SELLnegotiated
日興アセットマネジメント株式会社
Nikko Asset Management Co.,Ltd.
other306.5K¥2,738-53.9%¥384M ($2.5M)
2024-01-19SELLnegotiated
三井住友トラスト・アセットマネジメント株式会社
Sumitomo Mitsui Trust Asset Management Co.,Ltd.
other758.4K¥2,738-53.9%¥406M ($2.6M)
2023-11-22SELLunknown
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other635.6K¥2,705-55.8%¥21M ($136K)
2023-11-22SELLunknown
みずほ証券 株式会社
Mizuho Securities Co., Ltd.
other25.6K¥2,705-55.8%¥14M ($91K)
2023-11-22SELLunknown
株式会社みずほ銀行
Mizuho Bank, Ltd.
other1.0M¥2,705-55.8%¥619M ($4.0M)
2023-11-08BUYunknown
株式会社みずほ銀行
Mizuho Bank, Ltd.
strategic1.2M¥2,606+61.7%¥3.2B ($20.7M)
2023-11-08BUYunknown
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other641.5K¥2,606+61.7%¥41M ($262K)
2023-11-08BUYunknown
みずほ証券 株式会社
Mizuho Securities Co., Ltd.
other31.2K¥2,606+61.7%¥81M ($525K)
2023-06-07BUYunknown
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other625.3K¥3,090+36.4%¥1.9B ($12.5M)
2023-06-07BUYunknown
株式会社みずほ銀行
Mizuho Bank, Ltd.
strategic1.2M¥3,090+36.4%¥3.8B ($24.5M)
2023-06-06BUYMarket Buy
日興アセットマネジメント株式会社
Nikko Asset Management Co.,Ltd.
other447.3K¥3,115+35.3%¥551M ($3.6M)
2023-06-06BUYMarket Buy
三井住友トラスト・アセットマネジメント株式会社
Sumitomo Mitsui Trust Asset Management Co.,Ltd.
other907.8K¥3,115+35.3%¥510M ($3.3M)
2023-06-06BUYMarket Buy
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
strategic630.0K¥3,115+35.3%¥769M ($5.0M)
2023-04-06BUYnegotiated
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
strategic630.0K¥2,841+48.4%¥1.8B ($11.5M)
2023-04-06BUYnegotiated
日興アセットマネジメント株式会社
Nikko Asset Management Co.,Ltd.
other445.2K¥2,841+48.4%¥1.3B ($8.2M)
2023-04-06BUYnegotiated
三井住友トラスト・アセットマネジメント株式会社
Sumitomo Mitsui Trust Asset Management Co.,Ltd.
other1.2M¥2,841+48.4%¥3.5B ($22.5M)
2023-02-21SELLnegotiated
日興アセットマネジメント株式会社
Nikko Asset Management Co.,Ltd.
other445.2K¥2,953-42.7%¥152M ($983K)
2023-02-21BUYnegotiated
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
strategic630.0K¥2,953+42.7%¥1.9B ($12.0M)
2023-02-21SELLnegotiated
三井住友トラスト・アセットマネジメント株式会社
Sumitomo Mitsui Trust Asset Management Co.,Ltd.
other981.6K¥2,953-42.7%¥178M ($1.1M)
2022-12-07SELLunknown
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other190.8K¥3,445-22.4%¥1.9B ($12.5M)
2022-12-07BUYunknown
株式会社みずほ銀行
Mizuho Bank, Ltd.
strategic1.2M¥3,445+22.4%¥4.3B ($27.5M)
2022-12-07SELLunknown
みずほ証券 株式会社
Mizuho Securities Co., Ltd.
strategic86.0K¥3,445-22.4%¥266M ($1.7M)
2022-11-29SELLunknown
株式会社エスグラントコーポレーション
S-Grant Corporation Co., Ltd.
unknown0¥3,585-17.6%¥14.2B ($91.6M)
2022-11-29SELLunknown
株式会社レノ
Reno Inc. (Murakami-linked)
unknown0¥3,585-17.6%¥77.0B ($497.0M)
2022-11-29SELLunknown
株式会社南青山不動産
Minami Aoyama Real Estate Co., Ltd.
unknown0¥3,585-17.6%¥13.9B ($89.9M)
2022-11-29SELLunknown
株式会社シティインデックスイレブンス
City Index Eleven Co., Ltd.
unknown0¥3,585-17.6%¥14.3B ($92.3M)
2022-11-22SELLunknown
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other753.2K¥3,640-15.8%¥391M ($2.5M)
2022-11-22BUYunknown
みずほ証券 株式会社
Mizuho Securities Co., Ltd.
strategic162.2K¥3,640+15.8%¥329M ($2.1M)

Showing the 50 most recent of 89 filings.

Frequently asked questions

Who has been buying Central Glass Co., Ltd. stock?
11 distinct investors have filed 29 disclosed large-shareholding filings in Central Glass Co., Ltd. (4044), most recently on 2026-04-07. 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 Central Glass Co., Ltd. have?
Central Glass Co., Ltd. has 29 buy-side and 28 sell-side disclosures on record, covering ¥23.6B ($152.3M) in total reported value, spanning 2021-06-17 to 2026-04-07.
Where does StockDrifts get Central Glass 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 Central Glass Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.