StockDriftsStockDriftsOkamoto Glass Co., Ltd. (7746) has 9 disclosed large-shareholding filings and 18 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥5.1B ($32.8M) in reported transaction value. The earliest filing StockDrifts holds for Okamoto Glass Co., Ltd. is dated 2023-02-28; the most recent is 2025-11-26. 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 +547.06%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-08-07 | SELL | unknown | 野村證券株式会社 | other | 1.5M | ¥748 | +0.7% | ¥398M ($2.6M) |
| 2026-08-07 | 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 | 19.4K | ¥748 | -0.7% | ¥18M ($115K) |
| 2026-07-23 | SELL | unknown | ノムラ インターナショナル ピーエルシー NOMURA INTERNATIONAL PLC | other | -5.8K | ¥767 | +1.2% | - |
| 2026-07-23 | SELL | unknown | 野村證券株式会社 | other | 2.1M | ¥767 | +3.1% | ¥212M ($1.4M) |
| 2026-06-22 | BUY | unknown | ノムラ インターナショナル ピーエルシー NOMURA INTERNATIONAL PLC | other | 110.5K | ¥802 | -8.2% | ¥89M ($572K) |
| 2026-06-22 | BUY | unknown | 野村證券株式会社 | other | 2.4M | ¥802 | -8.2% | ¥1.9B ($12.3M) |
| 2025-11-26 | SELL | negotiated | 岡本 峻 | strategic | 264.0K | ¥300 | -252.0% | ¥279M ($1.8M) |
| 2025-11-26 | SELL | negotiated | 有限会社オー・ジー・シー | activist | 4.3M | ¥300 | -252.0% | ¥4.6B ($29.5M) |
| 2025-11-26 | SELL | negotiated | 岡本興産有限会社 | activist | 878.9K | ¥300 | -252.0% | ¥928M ($6.0M) |
| 2025-11-26 | SELL | negotiated | 岡本 毅 | activist | 779.2K | ¥300 | -252.0% | ¥823M ($5.3M) |
| 2025-09-17 | BUY | unknown | SMBC日興証券株式会社 SMBC Nikko Securities Inc. | other | 201.7K | ¥265 | +298.5% | ¥4.2B ($27.3M) |
| 2025-09-12 | BUY | Market Buy | SMBC日興証券株式会社 SMBC Nikko Securities Inc. | other | 5.0M | ¥392 | +169.4% | ¥51M ($329K) |
| 2025-09-11 | SELL | unknown | 株式会社 三井住友銀行 Sumitomo Mitsui Banking Corporation | other | 0 | ¥312 | -238.5% | ¥42M ($271K) |
| 2025-09-11 | SELL | unknown | SMBC日興証券株式会社 SMBC Nikko Securities Inc. | other | 4.9M | ¥312 | -238.5% | ¥63M ($407K) |
| 2025-09-09 | BUY | unknown | 株式会社 三井住友銀行 Sumitomo Mitsui Banking Corporation | other | 134.4K | ¥238 | +343.7% | ¥32M ($206K) |
| 2025-09-09 | SELL | unknown | SMBC日興証券株式会社 SMBC Nikko Securities Inc. | other | 5.1M | ¥238 | -343.7% | ¥63M ($406K) |
| 2025-08-19 | SELL | negotiated | 岡本 毅 TsuyoshiOkamoto | activist | 779.2K | ¥180 | -486.7% | ¥4M ($28K) |
| 2025-08-19 | SELL | negotiated | 岡本 峻 Shun Okamoto | strategic | 264.0K | ¥180 | -486.7% | ¥1M ($8K) |
| 2025-08-19 | SELL | negotiated | 有限会社オー・ジー・シー OGC Ltd. | activist | 4.3M | ¥180 | -486.7% | ¥25M ($162K) |
| 2025-08-19 | SELL | negotiated | 岡本興産有限会社 Okamoto Kosan Co., Ltd. | activist | 958.9K | ¥180 | -486.7% | ¥16M ($106K) |
| 2025-07-01 | SELL | unknown | SMBC日興証券株式会社 SMBC Nikko Securities Inc. | other | 5.3M | ¥154 | -585.7% | ¥36M ($234K) |
| 2025-06-24 | SELL | unknown | SMBC日興証券株式会社 SMBC Nikko Securities Inc. | other | 5.7M | ¥148 | -613.5% | ¥27M ($174K) |
| 2025-06-13 | BUY | unknown | SMBC日興証券株式会社 SMBC Nikko Securities Inc. | other | 6.0M | ¥152 | +594.7% | ¥909M ($5.9M) |
| 2024-12-05 | BUY | negotiated | 岡本 峻 Shun Okamoto | strategic | 264.0K | ¥219 | +382.2% | ¥58M ($373K) |
| 2024-12-05 | BUY | negotiated | 有限会社オー・ジー・シー OGC Ltd. | activist | 4.3M | ¥219 | +382.2% | ¥44M ($283K) |
| 2024-12-05 | SELL | negotiated | 岡本興産有限会社 Okamoto Kosan Co., Ltd. | activist | 1.0M | ¥219 | -382.2% | ¥53M ($339K) |
| 2024-12-05 | BUY | negotiated | 岡本 毅 TsuyoshiOkamoto | activist | 778.3K | ¥219 | +382.2% | ¥170M ($1.1M) |
| 2024-02-26 | BUY | negotiated | 岡本 峻 Shun Okamoto | strategic | 264.0K | ¥131 | +706.1% | ¥34M ($223K) |
| 2024-02-26 | BUY | negotiated | 有限会社オー・ジー・シー OGC Ltd. | activist | 4.1M | ¥131 | +706.1% | ¥402M ($2.6M) |
| 2024-02-26 | SELL | negotiated | 岡本興産有限会社 Okamoto Kosan Co., Ltd. | activist | 1.3M | ¥131 | -706.1% | ¥414M ($2.7M) |
| 2024-02-26 | BUY | negotiated | 岡本 峻 Shun Okamoto | strategic | 264.0K | ¥131 | +706.1% | ¥34M ($223K) |
| 2024-02-26 | BUY | negotiated | 有限会社オー・ジー・シー OGC Ltd. | activist | 4.1M | ¥131 | +706.1% | ¥402M ($2.6M) |
| 2024-02-26 | SELL | negotiated | 岡本興産有限会社 Okamoto Kosan Co., Ltd. | activist | 1.3M | ¥131 | -706.1% | ¥414M ($2.7M) |
| 2024-02-26 | BUY | negotiated | 岡本 毅 TsuyoshiOkamoto | activist | 777.6K | ¥131 | +706.1% | ¥102M ($657K) |
| 2024-02-26 | BUY | negotiated | 岡本 毅 TsuyoshiOkamoto | activist | 777.6K | ¥131 | +706.1% | ¥102M ($657K) |
| 2023-02-28 | SELL | Market Buy | 有限会社オー・ジー・シー OGC Ltd. | activist | 1.1M | ¥140 | -654.3% | ¥653K ($4K) |
| 2023-02-28 | SELL | Market Buy | 岡本興産有限会社 Okamoto Kosan Co., Ltd. | activist | 4.4M | ¥140 | -654.3% | ¥35M ($227K) |
| 2023-02-28 | BUY | Market Buy | 岡本 毅 TsuyoshiOkamoto | activist | 777.6K | ¥140 | +654.3% | ¥3M ($17K) |
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 Okamoto Glass Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.