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Toho Acetylene Co., Ltd. 4093

Company
東邦アセチレン株式会社Toho Acetylene Co., Ltd.
Investors
9
Buys
17
Total Value
¥2.8B ($18.3M)
Avg Return
+28.08%
Last Filing
2026-03-27

Toho Acetylene Co., Ltd. (4093) has 17 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥2.8B ($18.3M) in reported transaction value. The earliest filing StockDrifts holds for Toho Acetylene Co., Ltd. is dated 2021-03-22; the most recent is 2026-03-27. Across these filings the average return since disclosure is +28.08%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-09-17BUYMarket Buy
さくら損害保険株式会社
passive87.5K¥434--
2026-09-17BUYMarket Buy
株式会社UH7
passive80.8K¥434--
2026-09-17BUYMarket Buy
株式会社UH Partners 3
passive2.5M¥434+0.5%¥154M ($990K)
2026-09-17BUYMarket Buy
光通信株式会社
passive2.6M¥434--
2026-09-17BUYMarket Buy
株式会社UH Partners 2
passive2.6M¥434--
2026-06-25BUYMarket Buy
光通信株式会社
passive2.6M¥427--
2026-06-25BUYMarket Buy
株式会社UH Partners 3
passive2.1M¥427+2.1%¥151M ($974K)
2026-06-25BUYMarket Buy
株式会社UH7
passive80.8K¥427--
2026-06-25BUYMarket Buy
さくら損害保険株式会社
passive87.5K¥427--
2026-06-25BUYMarket Buy
株式会社UH Partners 2
passive2.6M¥427--
2026-03-27BUYMarket Buy
さくら損害保険株式会社
passive87.5K¥457--
2026-03-27BUYMarket Buy
光通信株式会社
passive2.6M¥457--
2026-03-27BUYMarket Buy
株式会社UH Partners 2
passive2.6M¥457--
2026-03-27BUYMarket Buy
株式会社UH Partners 3
passive1.8M¥457-4.6%¥165M ($1.1M)
2026-03-27BUYMarket Buy
株式会社ザッパラス
passive80.8K¥457--
2026-03-04BUYMarket Buy
光通信株式会社
passive2.6M¥420--
2026-03-04BUYMarket Buy
株式会社UH Partners 2
passive2.6M¥420--
2026-03-04BUYMarket Buy
株式会社UH Partners 3
passive1.4M¥420+3.8%¥150M ($968K)
2026-03-04BUYMarket Buy
さくら損害保険株式会社
passive87.5K¥420--
2026-03-04BUYMarket Buy
株式会社ザッパラス
passive80.8K¥420--
2025-12-19BUYMarket Buy
光通信株式会社
passive2.6M¥358--
2025-12-19BUYMarket Buy
株式会社UH Partners 2
passive2.6M¥358--
2025-12-19BUYMarket Buy
株式会社UH Partners 3
passive1.0M¥358+21.8%¥125M ($809K)
2025-12-19BUYMarket Buy
さくら損害保険株式会社
passive87.5K¥358--
2025-12-19BUYMarket Buy
株式会社ザッパラス
passive80.8K¥358--
2025-09-26BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive2.6M¥358--
2025-09-26BUYMarket Buy
株式会社UH Partners 2
UH Partners 2, Inc.
passive2.6M¥358--
2025-09-26BUYMarket Buy
株式会社UH Partners 3
UH Partners 3 Co., Ltd.
passive683.2K¥358+21.8%¥85M ($550K)
2025-09-26BUYMarket Buy
さくら損害保険株式会社
Sakura General Insurance Co., Ltd.
passive87.5K¥358--
2025-09-26BUYMarket Buy
株式会社ザッパラス
Zappalas Co., Ltd.
passive80.8K¥358--
2025-06-11BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive2.6M¥357--
2025-06-11BUYMarket Buy
株式会社UH Partners 2
UH Partners 2, Inc.
passive2.6M¥357--
2025-06-11BUYMarket Buy
株式会社UH Partners 3
UH Partners 3 Co., Ltd.
passive444.6K¥357+22.1%¥129M ($831K)
2025-06-11BUYMarket Buy
さくら損害保険株式会社
Sakura General Insurance Co., Ltd.
passive87.5K¥357--
2025-06-11BUYMarket Buy
株式会社ザッパラス
Zappalas Co., Ltd.
passive80.8K¥357--
2025-05-26BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive2.6M¥343--
2025-05-26BUYMarket Buy
株式会社UH Partners 2
UH Partners 2, Inc.
passive2.6M¥343+27.1%¥106M ($682K)
2025-05-26BUYMarket Buy
さくら損害保険株式会社
Sakura General Insurance Co., Ltd.
passive87.5K¥343--
2025-05-26BUYMarket Buy
株式会社ザッパラス
Zappalas Co., Ltd.
passive80.8K¥343--
2025-05-26BUYMarket Buy
株式会社UH Partners 3
UH Partners 3 Co., Ltd.
passive83.6K¥343-¥29M ($185K)
2025-04-21BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive2.6M¥358--
2025-04-21BUYMarket Buy
株式会社UH Partners 2
UH Partners 2, Inc.
passive2.3M¥358+21.8%¥132M ($849K)
2025-04-21BUYMarket Buy
さくら損害保険株式会社
Sakura General Insurance Co., Ltd.
passive87.5K¥358--
2025-04-21BUYMarket Buy
株式会社ザッパラス
Zappalas Co., Ltd.
passive80.8K¥358--
2025-04-10BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive2.6M¥347--
2025-04-10BUYMarket Buy
株式会社UH Partners 2
UH Partners 2, Inc.
passive1.9M¥347+25.6%¥109M ($706K)
2025-04-10BUYMarket Buy
さくら損害保険株式会社
Sakura General Insurance Co., Ltd.
passive87.5K¥347--
2025-04-10BUYMarket Buy
株式会社ザッパラス
Zappalas Co., Ltd.
passive80.8K¥347-¥28M ($181K)
2025-03-12BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive2.6M¥363--
2025-03-12BUYMarket Buy
さくら損害保険株式会社
Sakura General Insurance Co., Ltd.
passive87.5K¥363--

Showing the 50 most recent of 73 filings.

Frequently asked questions

Who has been buying Toho Acetylene Co., Ltd. stock?
9 distinct investors have filed 17 disclosed large-shareholding filings in Toho Acetylene Co., Ltd. (4093), most recently on 2026-03-27. 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 Toho Acetylene Co., Ltd. have?
Toho Acetylene Co., Ltd. has 17 buy-side and 5 sell-side disclosures on record, covering ¥2.8B ($18.3M) in total reported value, spanning 2021-03-22 to 2026-03-27.
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.