CMK Corporation (6958) has 52 disclosed large-shareholding filings and 62 disclosed disposals on record, filed by 18 distinct investors. Together those filings cover ¥17.4B ($112.4M) in reported transaction value. The earliest filing StockDrifts holds for CMK Corporation is dated 2021-11-24; the most recent is 2026-05-11. Across these filings the average return since disclosure is +16.69%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-09-04 | SELL | unknown | fundnote株式会社 fundnote | activist | 8.7M | ¥770 | +0.7% | ¥1.1B ($7.3M) |
| 2026-08-05 | BUY | Market Buy | fundnote株式会社 fundnote | activist | 10.1M | ¥670 | +14.2% | ¥549M ($3.5M) |
| 2026-07-23 | BUY | Market Buy | 野村證券株式会社 | other | 52.6K | ¥648 | +18.1% | ¥18M ($119K) |
| 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 | 841.2K | ¥648 | -18.1% | ¥531M ($3.4M) |
| 2026-07-23 | BUY | Market Buy | 野村アセットマネジメント株式会社 | other | 2.2M | ¥648 | +18.1% | ¥9M ($60K) |
| 2026-07-06 | BUY | unknown | ノムラ インターナショナル ピーエルシー NOMURA INTERNATIONAL PLC | other | 1.7M | ¥634 | +20.7% | ¥1.1B ($6.8M) |
| 2026-07-06 | BUY | unknown | 野村證券株式会社 | other | 22.7K | ¥634 | +20.7% | ¥14M ($93K) |
| 2026-07-06 | BUY | unknown | 野村アセットマネジメント株式会社 | other | 2.2M | ¥634 | +20.7% | ¥1.4B ($8.9M) |
| 2026-06-29 | SELL | unknown | fundnote株式会社 fundnote | activist | 9.3M | ¥661 | -15.7% | ¥721M ($4.7M) |
| 2026-06-26 | SELL | unknown | fundnote株式会社 fundnote | activist | 10.4M | ¥657 | -16.4% | ¥684M ($4.4M) |
| 2026-05-22 | BUY | Market Buy | fundnote株式会社 fundnote | activist | 11.4M | ¥695 | +10.1% | ¥545M ($3.5M) |
| 2026-05-19 | SELL | unknown | fundnote株式会社 fundnote | activist | 10.6M | ¥665 | -15.0% | ¥531M ($3.4M) |
| 2026-05-11 | BUY | Market Buy | fundnote株式会社 fundnote | activist | 11.4M | ¥650 | +17.7% | ¥732M ($4.7M) |
| 2026-04-06 | BUY | Market Buy | fundnote株式会社 fundnote | activist | 10.3M | ¥555 | +37.8% | ¥415M ($2.7M) |
| 2026-03-11 | BUY | Market Buy | fundnote株式会社 fundnote | activist | 9.6M | ¥599 | +27.7% | ¥483M ($3.1M) |
| 2026-03-09 | BUY | Market Buy | fundnote株式会社 fundnote | activist | 8.8M | ¥542 | +41.1% | ¥417M ($2.7M) |
| 2026-01-20 | SELL | unknown | アーカス・インベストメント・リミテッド Arcus Investment Limited Director/Executive Director Edward Cartwright | other | 2.9M | ¥531 | -44.1% | ¥398M ($2.6M) |
| 2025-12-22 | BUY | Market Buy | fundnote株式会社 fundnote | activist | 8.0M | ¥505 | +51.5% | ¥652M ($4.2M) |
| 2025-12-09 | BUY | Market Buy | アーカス・インベストメント・リミテッド Arcus Investment Limited Director/Executive Director Edward Cartwright | other | 3.6M | ¥495 | +54.5% | ¥364M ($2.3M) |
| 2025-12-09 | BUY | unknown | アーカス・インベストメント・リミテッド Arcus Investment Limited Director/Executive Director Edward Cartwright | other | 3.6M | ¥495 | - | ¥364M ($2.3M) |
| 2025-12-05 | BUY | Market Buy | fundnote株式会社 fundnote | activist | 6.7M | ¥500 | +53.0% | ¥613M ($4.0M) |
| 2025-11-21 | BUY | unknown | fundnote株式会社 fundnote | activist | 5.5M | ¥487 | - | ¥354M ($2.3M) |
| 2025-11-21 | BUY | Market Buy | fundnote株式会社 fundnote | activist | 5.5M | ¥487 | +57.1% | ¥354M ($2.3M) |
| 2025-11-10 | BUY | unknown | fundnote株式会社 fundnote | activist | 4.7M | ¥455 | +68.1% | ¥2.2B ($13.9M) |
| 2025-11-10 | BUY | unknown | fundnote株式会社 fundnote | activist | 4.7M | ¥455 | - | ¥2.2B ($13.9M) |
| 2025-10-09 | BUY | Market Buy | アーカス・インベストメント・リミテッド Arcus Investment Limited Director/Executive Director Edward Cartwright | other | 4.3M | ¥380 | +101.3% | ¥282M ($1.8M) |
| 2025-10-07 | BUY | unknown | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 2.6M | ¥380 | - | - |
| 2025-10-07 | SELL | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | strategic | 151.6K | ¥380 | -101.3% | ¥222M ($1.4M) |
| 2025-10-07 | SELL | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 1.0M | ¥380 | -101.3% | ¥146M ($944K) |
| 2025-09-22 | BUY | unknown | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 2.6M | ¥356 | - | - |
| 2025-09-22 | SELL | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | strategic | 731.3K | ¥356 | -114.9% | ¥10M ($66K) |
| 2025-09-22 | SELL | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 1.4M | ¥356 | -114.9% | ¥426M ($2.8M) |
| 2025-09-05 | BUY | unknown | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 2.6M | ¥357 | - | - |
| 2025-09-05 | BUY | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | strategic | 762.0K | ¥357 | +114.3% | ¥3M ($16K) |
| 2025-09-05 | SELL | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 2.6M | ¥357 | -114.3% | ¥275M ($1.8M) |
| 2025-09-01 | SELL | unknown | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 2.6M | ¥353 | -116.7% | ¥3M ($16K) |
| 2025-09-01 | BUY | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | strategic | 753.1K | ¥353 | +116.7% | ¥3M ($16K) |
| 2025-09-01 | SELL | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 3.4M | ¥353 | -116.7% | ¥264M ($1.7M) |
| 2025-07-15 | BUY | unknown | アーカス・インベストメント・リミテッド Arcus Investment Limited Director/Executive Director Edward Cartwright | other | 3.6M | ¥342 | +123.7% | ¥1.2B ($7.9M) |
| 2025-06-30 | SELL | Market Buy | 三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 2.6M | ¥333 | -129.7% | ¥475M ($3.1M) |
| 2025-06-30 | SELL | Market Buy | 三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc. | passive | 880.3K | ¥333 | -129.7% | ¥64M ($413K) |
| 2025-06-23 | BUY | Market Buy | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 2.6M | ¥315 | - | - |
| 2025-06-23 | BUY | Market Buy | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | strategic | 748.1K | ¥315 | +142.9% | ¥204M ($1.3M) |
| 2025-06-23 | BUY | Market Buy | アセットマネジメントOneインターナショナル Asset Management One International Ltd. | other | 67.3K | ¥315 | +142.9% | ¥2.0B ($12.8M) |
| 2025-06-23 | BUY | Market Buy | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 4.1M | ¥315 | - | - |
| 2025-06-19 | BUY | unknown | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 2.6M | ¥326 | - | - |
| 2025-06-19 | SELL | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | strategic | 100.6K | ¥326 | -134.7% | ¥9M ($60K) |
| 2025-06-19 | SELL | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 4.1M | ¥326 | -134.7% | ¥214M ($1.4M) |
| 2025-06-19 | SELL | unknown | アセットマネジメントOneインターナショナル Asset Management One International Ltd. | other | 97.3K | ¥326 | -134.7% | ¥12M ($75K) |
| 2025-03-19 | BUY | unknown | 株式会社みずほ銀行 Mizuho Bank, Ltd. | strategic | 2.6M | ¥444 | - | - |
Showing the 50 most recent of 171 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.