Hayashikane Sangyo Co.,Ltd. (2286) has 12 disclosed large-shareholding filings and 0 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥855M ($5.5M) in reported transaction value. The earliest filing StockDrifts holds for Hayashikane Sangyo Co.,Ltd. is dated 2022-08-04; the most recent is 2025-12-01. Across these filings the average return since disclosure is +76.53%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-08-24 | BUY | Market Buy | 株式会社ベツケイ | strategic | 152.4K | ¥946 | -5.1% | ¥106M ($685K) |
| 2026-08-24 | BUY | Market Buy | 西部化成株式会社 | strategic | 143.6K | ¥946 | -5.1% | ¥106M ($685K) |
| 2026-08-24 | BUY | unknown | 株式会社恵比須商会 | strategic | 426.2K | ¥946 | - | - |
| 2026-08-24 | BUY | Market Buy | 中部 哲二 | other | 297.4K | ¥946 | -5.1% | ¥41M ($266K) |
| 2026-08-24 | BUY | unknown | 林兼コンピューター株式会社 | strategic | 112.4K | ¥946 | - | ¥106M ($686K) |
| 2026-08-24 | BUY | Market Buy | 中部 哲二 | other | 297.4K | ¥946 | -5.1% | ¥41M ($266K) |
| 2026-08-24 | BUY | unknown | 株式会社恵比須商会 | strategic | 426.2K | ¥946 | - | - |
| 2026-08-24 | BUY | Market Buy | 西部化成株式会社 | strategic | 143.6K | ¥946 | -5.1% | ¥106M ($685K) |
| 2026-08-24 | BUY | Market Buy | 株式会社ベツケイ | strategic | 152.4K | ¥946 | -5.1% | ¥106M ($685K) |
| 2026-08-24 | SELL | unknown | Umios株式会社 Umios Corporation | corporate | 3.5K | ¥946 | +5.1% | ¥532M ($3.4M) |
| 2026-08-21 | BUY | unknown | Umios株式会社 Umios Corporation | corporate | 565.9K | ¥919 | - | - |
| 2026-07-30 | BUY | Market Buy | 有限会社キャピタル・マネジメント Capital Management | activist | 543.0K | ¥913 | -1.6% | ¥85M ($551K) |
| 2025-12-01 | BUY | Market Buy | 有限会社キャピタル・マネジメント Capital Management | activist | 449.5K | ¥726 | +23.7% | ¥326M ($2.1M) |
| 2025-08-07 | BUY | Market Buy | 株式会社恵比須商会 Ebisu Shokai Co., Ltd. | strategic | 426.2K | ¥575 | - | - |
| 2025-08-07 | BUY | unknown | 中部 哲二 Nakabe Tetsuji | other | 253.6K | ¥575 | +56.2% | ¥52M ($334K) |
| 2025-08-07 | BUY | unknown | 株式会社恵比須商会 Ebisu Shokai Co., Ltd. | strategic | 426.2K | ¥575 | - | - |
| 2025-08-07 | BUY | unknown | 西部化成株式会社 Seibu Kasei Co., Ltd. | strategic | 31.2K | ¥575 | - | - |
| 2025-08-07 | BUY | Market Buy | 西部化成株式会社 Seibu Kasei Co., Ltd. | strategic | 31.2K | ¥575 | - | - |
| 2025-08-07 | BUY | Market Buy | 中部 哲二 Nakabe Tetsuji | other | 253.6K | ¥575 | +56.2% | ¥52M ($334K) |
| 2025-04-24 | BUY | unknown | 株式会社恵比須商会 Ebisu Shokai Co., Ltd. | strategic | 426.2K | ¥494 | +81.8% | ¥211M ($1.4M) |
| 2025-04-24 | BUY | unknown | 中部 哲二 Nakabe Tetsuji | strategic | 96.3K | ¥494 | +81.8% | ¥48M ($307K) |
| 2025-04-24 | BUY | unknown | 中部 哲二 Nakabe Tetsuji | other | 253.6K | ¥494 | - | - |
| 2025-04-24 | BUY | Market Buy | 中部 哲二 Nakabe Tetsuji | other | 257.5K | ¥494 | +81.8% | ¥51M ($329K) |
| 2025-04-24 | BUY | unknown | 中部 哲二 Nakabe Tetsuji | strategic | 96.3K | ¥494 | +81.8% | ¥48M ($307K) |
| 2025-04-24 | BUY | unknown | 中部 哲二 Nakabe Tetsuji | strategic | 96.3K | ¥494 | +81.8% | ¥48M ($307K) |
| 2025-04-24 | BUY | unknown | 株式会社恵比須商会 Ebisu Shokai Co., Ltd. | strategic | 426.2K | ¥494 | +81.8% | ¥211M ($1.4M) |
| 2025-04-24 | BUY | unknown | 株式会社恵比須商会 Ebisu Shokai Co., Ltd. | strategic | 426.2K | ¥494 | +81.8% | ¥211M ($1.4M) |
| 2025-04-24 | BUY | Market Buy | 株式会社恵比須商会 Ebisu Shokai Co., Ltd. | strategic | 426.2K | ¥494 | - | - |
| 2025-04-24 | BUY | Market Buy | 西部化成株式会社 Seibu Kasei Co., Ltd. | strategic | 31.2K | ¥494 | - | - |
| 2025-04-24 | BUY | Market Buy | 株式会社ベツケイ Betsukei Co., Ltd. | strategic | 40.0K | ¥494 | - | ¥20M ($127K) |
| 2025-04-24 | BUY | unknown | 株式会社恵比須商会 Ebisu Shokai Co., Ltd. | strategic | 426.2K | ¥494 | - | - |
| 2025-04-24 | BUY | unknown | 西部化成株式会社 Seibu Kasei Co., Ltd. | strategic | 31.2K | ¥494 | - | - |
| 2025-04-24 | BUY | unknown | 株式会社ベツケイ Betsukei Co., Ltd. | strategic | 40.0K | ¥494 | - | ¥20M ($127K) |
| 2022-08-04 | BUY | unknown | 中部 哲二 Nakabe Tetsuji | other | 621.4K | - | - | - |
| 2022-08-04 | BUY | unknown | 中部 哲二 Nakabe Tetsuji | other | 621.4K | - | - | - |
| 2022-08-04 | BUY | unknown | 中部 哲二 Nakabe Tetsuji | other | 154.1K | ¥473 | - | ¥73M ($470K) |
| 2022-08-04 | BUY | unknown | 中部 哲二 Nakabe Tetsuji | other | 154.1K | ¥473 | +89.8% | ¥32M ($207K) |
| 2022-08-04 | BUY | unknown | 中部 哲二 Nakabe Tetsuji | other | 164.0K | ¥473 | +89.8% | ¥37M ($237K) |
| 2022-08-04 | BUY | unknown | 株式会社恵比須商会 Ebisu Shokai Co., Ltd. | strategic | 426.2K | ¥473 | - | - |
| 2022-08-04 | BUY | unknown | 西部化成株式会社 Seibu Kasei Co., Ltd. | strategic | 31.2K | ¥473 | - | ¥15M ($95K) |
| 2022-08-04 | BUY | unknown | 株式会社恵比須商会 Ebisu Shokai Co., Ltd. | strategic | 426.2K | ¥473 | - | ¥202M ($1.3M) |
| 2022-08-04 | BUY | unknown | 西部化成株式会社 Seibu Kasei Co., Ltd. | strategic | 31.2K | ¥473 | - | ¥15M ($95K) |
| 2022-08-04 | BUY | unknown | 株式会社恵比須商会 Ebisu Shokai Co., Ltd. | strategic | 426.2K | ¥473 | - | - |
| 2022-08-04 | BUY | unknown | 西部化成株式会社 Seibu Kasei Co., Ltd. | strategic | 31.2K | ¥473 | - | ¥15M ($95K) |
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.