StockDriftsStockDriftsChuo Spring Co.,Ltd. (5992) has 35 disclosed large-shareholding filings and 12 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥30.0B ($193.2M) in reported transaction value. The earliest filing StockDrifts holds for Chuo Spring Co.,Ltd. is dated 2021-12-09; the most recent is 2026-03-09. Across these filings the average return since disclosure is +164.36%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-08-18 | BUY | unknown | 株式会社DOE5パーセント | activist | 625.2K | ¥3,685 | - | - |
| 2026-08-18 | BUY | unknown | 植島 幹九郎 | activist | 1.8M | ¥3,685 | - | - |
| 2026-08-18 | BUY | Market Buy | 株式会社ナチュラリ | activist | 1.4M | ¥3,685 | +1.4% | ¥179M ($1.2M) |
| 2026-08-18 | BUY | Market Buy | 株式会社UESHIMA | activist | 264.7K | ¥3,685 | +1.4% | ¥56M ($364K) |
| 2026-08-18 | BUY | Market Buy | 株式会社ドリームキャリア | activist | 134.3K | ¥3,685 | +1.4% | ¥329M ($2.1M) |
| 2026-08-18 | BUY | Market Buy | 株式会社KANKURO | activist | 105.9K | ¥3,685 | +1.4% | ¥386M ($2.5M) |
| 2026-08-18 | BUY | unknown | 株式会社ドリームキャリアホールディングス | activist | 130.0K | ¥3,685 | - | - |
| 2026-08-06 | BUY | Market Buy | 株式会社DOE5パーセント | activist | 625.2K | ¥3,720 | +0.4% | ¥247M ($1.6M) |
| 2026-08-06 | BUY | unknown | 植島 幹九郎 | activist | 1.8M | ¥3,720 | - | - |
| 2026-08-06 | BUY | Market Buy | 株式会社ナチュラリ | activist | 1.4M | ¥3,720 | +0.4% | ¥171M ($1.1M) |
| 2026-08-06 | BUY | unknown | 株式会社ドリームキャリアホールディングス | activist | 130.0K | ¥3,720 | - | - |
| 2026-08-06 | BUY | Market Buy | 株式会社UESHIMA | activist | 249.2K | ¥3,720 | +0.4% | ¥494M ($3.2M) |
| 2026-08-06 | BUY | Market Buy | 株式会社ドリームキャリア | activist | 45.4K | ¥3,720 | +0.4% | ¥171M ($1.1M) |
| 2026-07-23 | BUY | Market Buy | 株式会社DOE5パーセント | activist | 560.5K | ¥3,750 | -0.4% | ¥718M ($4.6M) |
| 2026-07-23 | BUY | unknown | 植島 幹九郎 | activist | 1.8M | ¥3,750 | - | - |
| 2026-07-23 | SELL | unknown | 株式会社ナチュラリ | activist | 1.3M | ¥3,750 | +0.4% | ¥144M ($927K) |
| 2026-07-23 | BUY | Market Buy | 株式会社UESHIMA | activist | 118.2K | ¥3,750 | -0.4% | ¥441M ($2.8M) |
| 2026-07-23 | BUY | unknown | 株式会社ドリームキャリアホールディングス | activist | 130.0K | ¥3,750 | - | - |
| 2026-06-15 | BUY | Market Buy | 株式会社DOE5パーセント | activist | 367.0K | ¥3,840 | -2.7% | ¥1.4B ($8.8M) |
| 2026-06-15 | BUY | Market Buy | 植島 幹九郎 | activist | 1.8M | ¥3,840 | - | - |
| 2026-06-15 | SELL | Market Buy | 株式会社ナチュラリ | activist | 1.4M | ¥3,840 | +2.7% | ¥1.8B ($11.9M) |
| 2026-06-15 | BUY | Market Buy | 株式会社UESHIMA | activist | 1.2K | ¥3,840 | - | - |
| 2026-06-15 | BUY | Market Buy | 株式会社ドリームキャリアホールディングス | activist | 130.0K | ¥3,840 | -2.7% | ¥500M ($3.2M) |
| 2026-06-08 | BUY | Market Buy | 株式会社DOE5パーセント | activist | 13.4K | ¥3,825 | -2.4% | ¥49M ($315K) |
| 2026-06-08 | SELL | Market Buy | 植島 幹九郎 | activist | 1.8M | ¥3,825 | +2.4% | ¥6.5B ($42.0M) |
| 2026-06-08 | BUY | Market Buy | 株式会社ナチュラリ | activist | 1.8M | ¥3,825 | -2.4% | ¥7.0B ($45.0M) |
| 2026-03-09 | BUY | Market Buy | 株式会社DOE5パーセント | activist | 100 | ¥3,350 | - | - |
| 2026-03-09 | SELL | Market Buy | 株式会社ドリームキャリアホールディングス | activist | 0 | ¥3,350 | -11.5% | ¥43M ($276K) |
| 2026-03-09 | BUY | Market Buy | 植島 幹九郎 | activist | 3.5M | ¥3,350 | +11.5% | ¥907M ($5.9M) |
| 2026-03-09 | SELL | Market Buy | 株式会社ナチュラリ | activist | 11.1K | ¥3,350 | -11.5% | ¥9M ($55K) |
| 2025-08-26 | BUY | Market Buy | 植島 幹九郎 Kankuro Ueshima | activist | 3.2M | ¥3,320 | +12.5% | ¥899M ($5.8M) |
| 2025-08-26 | BUY | Market Buy | 株式会社ドリームキャリアホールディングス Dream Career Holdings Co., Ltd. | activist | 12.3K | ¥3,320 | - | - |
| 2025-08-26 | BUY | Market Buy | 株式会社ナチュラリ Naturali Co., Ltd. | activist | 12.8K | ¥3,320 | +12.5% | ¥1.7B ($10.9M) |
| 2025-08-06 | BUY | Market Buy | 植島 幹九郎 Kankuro Ueshima | activist | 2.9M | ¥3,035 | +23.1% | ¥923M ($6.0M) |
| 2025-08-06 | BUY | Market Buy | 株式会社ドリームキャリアホールディングス Dream Career Holdings Co., Ltd. | activist | 12.3K | ¥3,035 | - | - |
| 2025-08-06 | BUY | Market Buy | 株式会社ナチュラリ Naturali Co., Ltd. | activist | 8.2K | ¥3,035 | - | - |
| 2025-07-31 | BUY | Market Buy | 植島 幹九郎 Kankuro Ueshima | activist | 2.6M | ¥3,030 | +23.3% | ¥472M ($3.0M) |
| 2025-07-31 | BUY | Market Buy | 株式会社ドリームキャリアホールディングス Dream Career Holdings Co., Ltd. | activist | 12.3K | ¥3,030 | - | - |
| 2025-07-31 | BUY | Market Buy | 株式会社ナチュラリ Naturali Co., Ltd. | activist | 8.2K | ¥3,030 | - | - |
| 2025-07-30 | BUY | Market Buy | 植島 幹九郎 Kankuro Ueshima | activist | 2.5M | ¥2,996 | +24.7% | ¥7.4B ($47.4M) |
| 2025-07-30 | BUY | Market Buy | 株式会社ドリームキャリアホールディングス Dream Career Holdings Co., Ltd. | activist | 12.3K | ¥2,996 | - | - |
| 2025-07-30 | SELL | Market Buy | 株式会社ナチュラリ Naturali Co., Ltd. | activist | 8.2K | ¥2,996 | -24.7% | ¥4.3B ($27.7M) |
| 2025-07-16 | SELL | Market Buy | 株式会社DOE5パーセント DOE5% Co., Ltd. | activist | 0 | ¥2,021 | -84.8% | ¥790M ($5.1M) |
| 2025-07-16 | SELL | Market Buy | 植島 幹九郎 Kankuro Ueshima | activist | 0 | ¥2,021 | -84.8% | ¥232M ($1.5M) |
| 2025-07-16 | SELL | Market Buy | 株式会社UESHIMA UESHIMA Co., Ltd. | activist | 0 | ¥2,021 | -84.8% | ¥1.5B ($9.5M) |
| 2025-07-16 | BUY | Market Buy | 株式会社ナチュラリ Naturali Co., Ltd. | activist | 2.2M | ¥2,021 | +84.8% | ¥2.7B ($17.2M) |
| 2025-07-16 | BUY | Market Buy | 株式会社ドリームキャリアホールディングス Dream Career Holdings Co., Ltd. | activist | 12.3K | ¥2,021 | - | - |
| 2025-07-07 | SELL | Market Buy | 植島 幹九郎 Kankuro Ueshima | activist | 115.1K | ¥1,658 | -125.3% | ¥1.1B ($7.2M) |
| 2025-07-07 | BUY | Market Buy | 株式会社UESHIMA UESHIMA Co., Ltd. | activist | 728.7K | ¥1,658 | - | - |
| 2025-07-07 | BUY | Market Buy | 株式会社ドリームキャリアホールディングス Dream Career Holdings Co., Ltd. | activist | 12.3K | ¥1,658 | - | - |
Showing the 50 most recent of 93 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.