StockDriftsStockDriftsToumei Co.,Ltd. (4439) has 29 disclosed large-shareholding filings and 36 disclosed disposals on record, filed by 13 distinct investors. Together those filings cover ¥3.0B ($19.4M) in reported transaction value. The earliest filing StockDrifts holds for Toumei Co.,Ltd. is dated 2021-04-21; the most recent is 2026-04-24. Across these filings the average return since disclosure is +100.07%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-09-17 | BUY | unknown | 株式会社セレッソ | activist | 2.2M | ¥798 | - | - |
| 2026-09-17 | SELL | negotiated | 山本 文彦 | activist | 11.7M | ¥798 | -3.9% | ¥7M ($46K) |
| 2026-08-24 | BUY | negotiated | 日比野 直人 Hibino Naoto | activist | 1.8M | ¥770 | - | ¥12M ($75K) |
| 2026-08-24 | SELL | negotiated | 日比野 直人 Hibino Naoto | activist | 1.8M | ¥770 | -7.7% | ¥12M ($75K) |
| 2026-04-24 | BUY | Market Buy | 光通信株式会社 | passive | 2.3M | ¥868 | - | - |
| 2026-04-24 | BUY | Market Buy | 株式会社UH Partners 2 | passive | 2.1M | ¥868 | - | - |
| 2026-04-24 | BUY | Market Buy | 株式会社UH Partners 3 | passive | 2.1M | ¥868 | - | - |
| 2026-04-24 | BUY | Market Buy | 株式会社エスアイエル | passive | 1.3M | ¥868 | -4.5% | ¥287M ($1.9M) |
| 2026-04-24 | BUY | Market Buy | 株式会社エヌオーアイ | passive | 156.8K | ¥868 | - | - |
| 2026-04-24 | BUY | Market Buy | 株式会社アイビー | passive | 158.4K | ¥868 | - | - |
| 2026-04-24 | SELL | Market Buy | 株式会社FTコミュニケーションズ | passive | 2.4M | ¥868 | +4.5% | ¥3M ($17K) |
| 2026-04-24 | BUY | Market Buy | 株式会社UH5 | passive | 35.3K | ¥868 | - | - |
| 2026-03-06 | BUY | Market Buy | 光通信株式会社 | passive | 2.3M | ¥1,040 | -20.3% | ¥28M ($182K) |
| 2026-03-06 | BUY | Market Buy | 株式会社UH Partners 2 | passive | 2.1M | ¥1,040 | - | - |
| 2026-03-06 | BUY | Market Buy | 株式会社UH Partners 3 | passive | 2.1M | ¥1,040 | - | - |
| 2026-03-06 | BUY | Market Buy | 株式会社エスアイエル | passive | 1.0M | ¥1,040 | -20.3% | ¥306M ($2.0M) |
| 2026-03-06 | BUY | Market Buy | 株式会社エヌオーアイ | passive | 156.8K | ¥1,040 | - | - |
| 2026-03-06 | BUY | Market Buy | 株式会社アイビー | passive | 158.4K | ¥1,040 | - | - |
| 2026-03-06 | BUY | Market Buy | 株式会社UH5 | passive | 35.3K | ¥1,040 | - | - |
| 2026-03-06 | BUY | Market Buy | 株式会社FTコミュニケーションズ | passive | 2.4M | ¥1,040 | - | - |
| 2026-03-06 | SELL | negotiated | 山本文彦 | activist | 11.7M | ¥1,040 | +20.3% | ¥3M ($20K) |
| 2026-03-06 | SELL | negotiated | 株式会社セレッソ | activist | 2.2M | ¥1,040 | +20.3% | ¥3M ($20K) |
| 2026-02-06 | BUY | Market Buy | 光通信株式会社 Hikari Tsushin K.K. | passive | 9.9M | ¥1,082 | -23.4% | ¥237M ($1.5M) |
| 2025-12-17 | BUY | Market Buy | 株式会社アイビー | passive | 158.4K | ¥1,039 | - | - |
| 2025-12-17 | BUY | Market Buy | 光通信株式会社 | passive | 2.2M | ¥1,039 | - | - |
| 2025-12-17 | BUY | Market Buy | 株式会社UH Partners 2 | passive | 2.1M | ¥1,039 | - | - |
| 2025-12-17 | BUY | Market Buy | 株式会社UH Partners 3 | passive | 2.1M | ¥1,039 | - | - |
| 2025-12-17 | BUY | Market Buy | 株式会社エスアイエル | passive | 523.0K | ¥1,039 | -20.2% | ¥112M ($725K) |
| 2025-12-17 | BUY | Market Buy | 株式会社エヌオーアイ | passive | 156.8K | ¥1,039 | - | - |
| 2025-12-17 | BUY | Market Buy | 株式会社UH5 | passive | 35.3K | ¥1,039 | - | - |
| 2025-12-17 | BUY | Market Buy | 株式会社エフティグループ | passive | 2.4M | ¥1,039 | - | - |
| 2025-11-20 | SELL | Market Buy | 株式会社UH Partners 2 UH Partners 2, Inc. | passive | 2.1M | ¥1,009 | +17.8% | ¥6M ($39K) |
| 2025-11-20 | SELL | Market Buy | 光通信株式会社 Hikari Tsushin K.K. | passive | 2.2M | ¥1,009 | +17.8% | ¥6M ($39K) |
| 2025-11-20 | SELL | Market Buy | 株式会社UH Partners 3 UH Partners 3 Co., Ltd. | passive | 2.1M | ¥1,009 | +17.8% | ¥6M ($39K) |
| 2025-11-20 | BUY | Market Buy | 株式会社エスアイエル SIL Co., Ltd. | passive | 413.6K | ¥1,009 | -17.8% | ¥294M ($1.9M) |
| 2025-11-20 | BUY | Market Buy | 株式会社エヌオーアイ NIO Co., Ltd. | passive | 156.8K | ¥1,009 | - | - |
| 2025-11-20 | BUY | Market Buy | 株式会社UH5 UH5 Co., Ltd. | passive | 35.3K | ¥1,009 | - | ¥36M ($230K) |
| 2025-11-20 | SELL | Market Buy | 株式会社エフティグループ FTGroup Co., Ltd. | passive | 2.4M | ¥1,009 | +17.8% | ¥6M ($39K) |
| 2025-11-20 | BUY | Market Buy | 株式会社アイビー IB, Inc. | passive | 158.4K | ¥1,009 | - | - |
| 2025-10-24 | BUY | negotiated | 株式会社セレッソ Cerezo Co., Ltd. | activist | 2.2M | ¥993 | - | - |
| 2025-10-24 | SELL | negotiated | 山本文彦 Yamamto Fumihiko | activist | 11.7M | ¥993 | +16.5% | ¥991M ($6.4M) |
| 2025-10-01 | SELL | negotiated | 山本文彦 Yamamto Fumihiko | activist | 12.7M | ¥1,031 | +19.6% | ¥34M ($220K) |
| 2025-10-01 | SELL | negotiated | 山本文彦 Yamamto Fumihiko | activist | 12.7M | ¥1,031 | +19.6% | ¥34M ($220K) |
| 2025-10-01 | SELL | negotiated | 株式会社セレッソ Cerezo Co., Ltd. | activist | 2.2M | ¥1,031 | +19.6% | ¥3M ($20K) |
| 2025-10-01 | SELL | negotiated | 株式会社セレッソ Cerezo Co., Ltd. | activist | 2.2M | ¥1,031 | +19.6% | ¥3M ($20K) |
| 2025-09-29 | SELL | Market Buy | 光通信株式会社 Hikari Tsushin K.K. | passive | 2.2M | ¥1,063 | +22.0% | ¥13M ($82K) |
| 2025-09-29 | BUY | Market Buy | 株式会社エスアイエル SIL Co., Ltd. | passive | 122.3K | ¥1,063 | -22.0% | ¥96M ($617K) |
| 2025-09-29 | BUY | Market Buy | 株式会社エヌオーアイ NIO Co., Ltd. | passive | 156.8K | ¥1,063 | - | ¥167M ($1.1M) |
| 2025-09-29 | BUY | Market Buy | 株式会社アイビー IB, Inc. | passive | 158.4K | ¥1,063 | - | ¥168M ($1.1M) |
| 2025-09-29 | SELL | Market Buy | 株式会社エフティグループ FTGroup Co., Ltd. | passive | 2.4M | ¥1,063 | +22.0% | ¥13M ($82K) |
Showing the 50 most recent of 137 filings.
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.