StockDriftsStockDriftsThe Nihon Seima Co.,Ltd. (3306) has 30 disclosed large-shareholding filings and 10 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥3.7B ($23.6M) in reported transaction value. The earliest filing StockDrifts holds for The Nihon Seima Co.,Ltd. is dated 2022-03-28; the most recent is 2025-10-06. Across these filings the average return since disclosure is +28.47%, measured from each filing date to the latest available close.
| Date | Type | Source | Insider | Purpose | Shares | Price at filing | Return | Value |
|---|---|---|---|---|---|---|---|---|
| 2026-09-25 | SELL | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 929.9K | ¥794 | +0.0% | ¥64M ($415K) |
| 2026-09-25 | SELL | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.0M | ¥794 | +0.0% | ¥15M ($97K) |
| 2026-09-24 | SELL | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.0M | ¥791 | -0.4% | ¥33M ($213K) |
| 2026-09-24 | SELL | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.1M | ¥791 | -0.4% | ¥6M ($37K) |
| 2026-09-24 | SELL | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.1M | ¥791 | -0.4% | ¥50M ($321K) |
| 2026-09-24 | SELL | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.2M | ¥791 | -0.4% | ¥53M ($344K) |
| 2026-09-24 | BUY | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.2M | ¥791 | - | ¥53M ($344K) |
| 2026-09-03 | BUY | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.2M | ¥711 | - | ¥52M ($333K) |
| 2026-09-03 | SELL | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.2M | ¥711 | -11.7% | ¥52M ($333K) |
| 2026-08-28 | BUY | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.3M | ¥592 | - | ¥29M ($189K) |
| 2026-08-28 | BUY | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.4M | ¥592 | - | ¥24M ($152K) |
| 2026-08-28 | BUY | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.4M | ¥592 | - | ¥29M ($185K) |
| 2026-08-28 | BUY | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.5M | ¥592 | - | - |
| 2026-08-28 | BUY | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.5M | ¥592 | - | - |
| 2026-08-28 | BUY | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.4M | ¥592 | - | ¥29M ($185K) |
| 2026-08-28 | BUY | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.4M | ¥592 | - | ¥24M ($152K) |
| 2026-08-28 | BUY | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.3M | ¥592 | - | ¥29M ($189K) |
| 2026-08-28 | BUY | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.5M | ¥592 | +34.1% | ¥29M ($189K) |
| 2026-08-28 | BUY | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.5M | ¥592 | +34.1% | ¥73M ($470K) |
| 2026-08-28 | BUY | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.5M | ¥592 | +34.1% | ¥72M ($464K) |
| 2026-08-28 | BUY | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.5M | ¥592 | +34.1% | ¥51M ($330K) |
| 2026-08-27 | BUY | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.5M | ¥581 | - | ¥872M ($5.6M) |
| 2026-08-27 | BUY | Market Buy | ULTIMATE CLASSIC INVESTMENT LLC | activist | 1.5M | ¥581 | +36.7% | ¥872M ($5.6M) |
| 2026-08-26 | SELL | Market Buy | LEOMO Japan株式会社 | passive | 0 | ¥569 | -39.5% | ¥414M ($2.7M) |
| 2026-08-26 | SELL | Market Buy | リオモインク LEOMO,inc | passive | 1.7M | ¥569 | -39.5% | ¥389M ($2.5M) |
| 2026-08-26 | BUY | Market Buy | リオモインク(LEOMO,inc) LEOMO,inc | passive | 1.7M | ¥569 | - | ¥76M ($492K) |
| 2026-08-26 | BUY | Market Buy | LEOMO Japan株式会社 | passive | 0 | ¥569 | - | - |
| 2026-08-26 | SELL | Market Buy | リオモインク LEOMO,inc | passive | 1.7M | ¥569 | -39.5% | ¥291M ($1.9M) |
| 2026-08-26 | SELL | Market Buy | リオモインク(LEOMO,inc) LEOMO,inc | passive | 1.7M | ¥569 | -39.5% | ¥113M ($731K) |
| 2025-10-06 | BUY | Market Buy | LEOMO Japan株式会社 | passive | 870.0K | ¥865 | -8.2% | ¥629M ($4.1M) |
| 2025-10-06 | SELL | Market Buy | リオモインク LEOMO,inc | passive | 2.3M | ¥865 | +8.2% | ¥304M ($2.0M) |
| 2025-10-06 | SELL | Market Buy | リオモインク(LEOMO LEOMO ink (LEOMO | passive | 1.1M | ¥865 | +8.2% | ¥1.2B ($7.7M) |
| 2025-10-06 | BUY | Market Buy | LEOMO Japan株式会社 LEOMO Japan Co., Ltd. | passive | 2.0M | ¥865 | -8.2% | ¥1.2B ($7.7M) |
| 2025-10-06 | SELL | Market Buy | リオモインク(LEOMO LEOMO ink (LEOMO | passive | 1.1M | ¥865 | +8.2% | ¥884M ($5.7M) |
| 2025-10-06 | BUY | Market Buy | LEOMO Japan株式会社 LEOMO Japan Co., Ltd. | passive | 2.0M | ¥865 | -8.2% | ¥1.2B ($7.7M) |
| 2025-05-15 | BUY | Market Buy | リオモインク(LEOMO,inc) LEOMO,inc | passive | 3.2M | ¥512 | +55.1% | ¥73M ($469K) |
| 2025-04-30 | SELL | Market Buy | 立川 光昭 Mitsuaki Tachikawa | passive | 400.0K | ¥534 | -48.7% | ¥171M ($1.1M) |
| 2025-04-30 | SELL | Market Buy | 立川 光昭 Mitsuaki Tachikawa | passive | 200.0K | ¥534 | -48.7% | ¥107M ($689K) |
| 2025-04-23 | BUY | Market Buy | リオモインク(LEOMO,inc) LEOMO,inc | passive | 3.0M | ¥544 | +46.0% | ¥75M ($483K) |
| 2025-04-23 | BUY | Market Buy | リオモインク(LEOMO,inc) LEOMO,inc | passive | 3.0M | ¥544 | - | ¥75M ($483K) |
| 2025-01-09 | BUY | Market Buy | レオモインク(LEOMO,inc) LEOMO,inc | passive | 2.8M | ¥568 | - | ¥1.6B ($10.1M) |
| 2025-01-09 | BUY | Market Buy | レオモインク(LEOMO,inc) LEOMO,inc | passive | 2.8M | ¥568 | +39.8% | ¥1.6B ($10.1M) |
| 2024-09-11 | SELL | Market Buy | 株式会社ハルク HULK inc., | passive | 0 | ¥606 | -31.0% | ¥362M ($2.3M) |
| 2024-09-11 | BUY | Market Buy | 株式会社ハルク HULK inc., | passive | 0 | ¥606 | - | ¥362M ($2.3M) |
| 2024-08-20 | BUY | Market Buy | 株式会社ハルク HULK inc., | passive | 0 | ¥574 | +38.3% | - |
| 2024-08-20 | BUY | Market Buy | 立川 光昭 Mitsuaki Tachikawa | passive | 599.0K | ¥574 | +38.3% | ¥344M ($2.2M) |
| 2024-08-20 | BUY | Market Buy | 株式会社ハルク HULK inc., | passive | 0 | ¥574 | - | ¥343M ($2.2M) |
| 2024-05-07 | BUY | Market Buy | 株式会社ハルク HULK inc., | passive | 597.0K | ¥623 | +27.4% | ¥372M ($2.4M) |
| 2024-05-07 | SELL | Market Buy | BOND CAPITAL CREATION PTE. LTD. | passive | 0 | ¥623 | -27.4% | ¥372M ($2.4M) |
| 2024-05-07 | BUY | Market Buy | 株式会社ハルク HULK inc., | passive | 597.0K | ¥623 | - | ¥372M ($2.4M) |
Showing the 50 most recent of 88 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.