HSIAO TZU-KAI 13D and 13G filings for Ostin Technology Group Co., Ltd.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2025-06-13 4:00 pm Sale | 2025-06-09 | 13G | Ostin Technology Group Co., Ltd. OST | HSIAO TZU-KAI | 115,007 2.680% | -160,193 (-58.21%) | Filing |
| 2025-05-29 4:00 pm Purchase | 2025-05-08 | 13G | Ostin Technology Group Co., Ltd. OST | HSIAO TZU-KAI | 275,200 6.400% | 275,200 (New Position) | Filing |