StockDriftsStockDriftsf-code Inc. (9211) has 8 disclosed large-shareholding filings and 14 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥4.1B ($26.6M) in reported transaction value. The earliest filing StockDrifts holds for f-code Inc. is dated 2022-01-05; the most recent is 2026-03-12. Across these filings the average return since disclosure is +50.73%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-09-07 | SELL | unknown | 工藤 勉 KUDO TSUTOMU | strategic | 4.8M | ¥1,455 | -7.1% | ¥40M ($258K) |
| 2026-07-10 | SELL | unknown | アセンダー・キャピタル・リミテッド(Ascender Capital Limited) Ascender Capital Limited | activist | 524.7K | ¥1,417 | -9.9% | ¥189M ($1.2M) |
| 2026-03-12 | BUY | unknown | アセンダー・キャピタル・リミテッド(Ascender Capital Limited) Ascender Capital Limited | activist | 655.4K | ¥1,588 | - | ¥1.0B ($6.7M) |
| 2026-03-12 | BUY | unknown | アセンダー・キャピタル・リミテッド(Ascender Capital Limited) Ascender Capital Limited | activist | 655.4K | ¥1,588 | -1.9% | ¥1.0B ($6.7M) |
| 2025-12-05 | SELL | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 494.6K | ¥1,564 | +0.4% | ¥227M ($1.5M) |
| 2025-11-05 | SELL | unknown | 工藤 勉 KUDO TSUTOMU | strategic | 4.8M | ¥1,987 | +21.6% | ¥30M ($191K) |
| 2025-05-26 | SELL | unknown | 工藤 勉 KUDO TSUTOMU | strategic | 4.8M | ¥2,100 | +25.8% | ¥242M ($1.6M) |
| 2024-08-22 | SELL | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 624.8K | ¥1,032 | -51.0% | ¥282M ($1.8M) |
| 2024-07-22 | SELL | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 898.2K | ¥1,255 | -24.1% | ¥257M ($1.7M) |
| 2024-05-10 | SELL | unknown | 工藤 勉 KUDO TSUTOMU | strategic | 4.8M | ¥1,612 | +3.4% | ¥1.7B ($10.7M) |
| 2024-04-26 | SELL | unknown | 工藤 勉 KUDO TSUTOMU | strategic | 5.1M | ¥1,782 | +12.6% | ¥77M ($500K) |
| 2024-03-08 | SELL | unknown | 梅澤 康二 UMEZAWA KOJI | strategic | 224.4K | ¥2,620 | +40.5% | ¥205M ($1.3M) |
| 2023-09-01 | SELL | unknown | 工藤 勉 KUDO TSUTOMU | strategic | 2.6M | ¥851.5 | -83.0% | ¥6M ($40K) |
| 2023-04-21 | BUY | Market Buy | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 477.8K | ¥808.5 | +92.7% | ¥45M ($290K) |
| 2023-03-23 | SELL | unknown | 工藤 勉 KUDO TSUTOMU | strategic | 2.6M | ¥980 | -59.0% | ¥663M ($4.3M) |
| 2023-01-18 | SELL | unknown | 梅澤 康二 UMEZAWA KOJI | strategic | 237.0K | ¥1,101.5 | -41.4% | ¥3M ($18K) |
| 2023-01-18 | SELL | unknown | 工藤 勉 KUDO TSUTOMU | strategic | 2.6M | ¥1,101.5 | -41.4% | ¥33M ($215K) |
| 2022-12-23 | SELL | unknown | 工藤 勉 KUDO TSUTOMU | strategic | 2.6M | ¥1,155 | -34.9% | ¥35M ($226K) |
| 2022-12-22 | BUY | Market Buy | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 333.7K | ¥1,156 | +34.8% | ¥67M ($433K) |
| 2022-09-26 | SELL | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 1.4K | ¥843.75 | -84.7% | ¥2M ($10K) |
| 2022-09-26 | BUY | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 137.8K | ¥843.75 | +84.7% | ¥24M ($153K) |
| 2022-05-11 | BUY | unknown | みずほ証券 株式会社 Mizuho Securities Co., Ltd. | other | 3.3K | ¥721.5 | +115.9% | ¥2M ($15K) |
| 2022-05-11 | BUY | unknown | アセットマネジメントOne株式会社 Asset Management One Co., Ltd. | other | 109.6K | ¥721.5 | +115.9% | ¥79M ($510K) |
| 2022-01-05 | BUY | unknown | 梅澤 康二 UMEZAWA KOJI | strategic | 118.5K | ¥2,077.5 | - | ¥246M ($1.6M) |
| 2022-01-05 | BUY | unknown | 工藤 勉 KUDO TSUTOMU | strategic | 1.3M | ¥2,077.5 | - | ¥2.7B ($17.3M) |
| 2022-01-05 | BUY | unknown | 梅澤 康二 UMEZAWA KOJI | strategic | 118.5K | ¥2,077.5 | -25.0% | ¥246M ($1.6M) |
| 2022-01-05 | BUY | unknown | 工藤 勉 KUDO TSUTOMU | strategic | 1.3M | ¥2,077.5 | -25.0% | ¥2.7B ($17.3M) |
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.