StockDriftsStockDriftsEF-ON Inc. (9514) has 8 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥1.5B ($9.7M) in reported transaction value. The earliest filing StockDrifts holds for EF-ON Inc. is dated 2021-04-07; the most recent is 2026-03-24. Across these filings the average return since disclosure is -57.38%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-03-24 | BUY | Market Buy | 光通信株式会社 | passive | 452.3K | ¥354 | - | - |
| 2026-03-24 | BUY | Market Buy | 株式会社UH Partners 2 | passive | 264.2K | ¥354 | - | - |
| 2026-03-24 | SELL | Market Buy | 株式会社UH5 | unknown | 0 | ¥354 | +2.0% | ¥567M ($3.7M) |
| 2026-03-24 | BUY | Market Buy | 株式会社UH6 | passive | 1.6M | ¥354 | - | ¥567M ($3.7M) |
| 2025-09-29 | BUY | Market Buy | 株式会社UH5 UH5 Co., Ltd. | passive | 1.6M | ¥439 | - | - |
| 2025-09-29 | BUY | Market Buy | 光通信株式会社 Hikari Tsushin K.K. | passive | 452.3K | ¥439 | - | - |
| 2025-09-29 | BUY | Market Buy | 株式会社UH Partners 2 UH Partners 2, Inc. | passive | 264.2K | ¥439 | - | - |
| 2025-06-17 | SELL | Market Buy | スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd. | passive | 885.7K | ¥333 | -4.2% | ¥73M ($474K) |
| 2025-03-17 | BUY | Market Buy | 株式会社UH5 UH5 Co., Ltd. | passive | 1.6M | ¥356 | - | ¥570M ($3.7M) |
| 2025-03-17 | SELL | Market Buy | 光通信株式会社 Hikari Tsushin K.K. | passive | 452.3K | ¥356 | +2.5% | ¥414M ($2.7M) |
| 2025-03-17 | BUY | Market Buy | 株式会社UH Partners 2 UH Partners 2, Inc. | passive | 264.2K | ¥356 | - | - |
| 2025-03-17 | SELL | Market Buy | 株式会社エスアイエル SIL Co., Ltd. | unknown | 0 | ¥356 | +2.5% | ¥156M ($1.0M) |
| 2023-03-17 | BUY | Market Buy | スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd. | passive | 1.1M | ¥631 | -45.0% | ¥698M ($4.5M) |
| 2023-02-17 | SELL | Market Buy | スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd. | passive | 1.0M | ¥570 | +39.1% | ¥171M ($1.1M) |
| 2022-01-18 | SELL | Market Buy | 光通信株式会社 Hikari Tsushin K.K. | passive | 1.6M | ¥567 | +38.8% | ¥249M ($1.6M) |
| 2022-01-18 | BUY | Market Buy | 株式会社UH Partners 2 UH Partners 2, Inc. | passive | 264.2K | ¥567 | - | - |
| 2022-01-18 | BUY | Market Buy | 株式会社エスアイエル SIL Co., Ltd. | passive | 440.3K | ¥567 | - | ¥250M ($1.6M) |
| 2021-11-29 | BUY | Market Buy | 光通信株式会社 Hikari Tsushin K.K. | passive | 2.1M | ¥681 | - | - |
| 2021-11-29 | BUY | Market Buy | 株式会社UH Partners 2 UH Partners 2, Inc. | passive | 264.2K | ¥681 | -49.0% | ¥41M ($266K) |
| 2021-09-24 | BUY | Market Buy | 野村證券株式会社 Nomura Securities Co.,Ltd. | other | 1.9K | ¥893 | -61.1% | ¥193M ($1.2M) |
| 2021-09-24 | BUY | Market Buy | ノムラ インターナショナル ピーエルシー NOMURA INTERNATIONAL PLC | other | 109.8K | ¥893 | -61.1% | ¥35M ($224K) |
| 2021-09-24 | BUY | Market Buy | 野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd. | other | 773.9K | ¥893 | -61.1% | ¥682M ($4.4M) |
| 2021-04-07 | BUY | unknown | ノムラ インターナショナル ピーエルシー NOMURA INTERNATIONAL PLC | other | 72.4K | ¥1,109 | -68.7% | ¥80M ($518K) |
| 2021-04-07 | BUY | unknown | 野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd. | other | 1.0M | ¥1,109 | -68.7% | ¥1.2B ($7.4M) |
| 2021-04-07 | BUY | unknown | 野村證券株式会社 Nomura Securities Co.,Ltd. | other | -200 | ¥1,109 | -66.3% | - |
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.