Kuo Chuan-Chiung 13D and 13G filings for O2Micro International Limited:
- 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 |
| 2023-03-03 10:04 am Sale |
2023-03-03 | 13D | O2Micro International Limited OIIM |
Kuo Chuan-Chiung | 0 0.000% |
-246,621,000 (Position Closed) |
Filing |
| 2022-10-03 06:05 am Purchase |
2022-09-30 | 13D | O2Micro International Limited OIIM |
Kuo Chuan-Chiung | 246,621,000 16.240% |
111,195,750 (+82.11%) |
Filing |
| 2022-09-20 07:23 am Purchase |
2022-09-19 | 13D | O2Micro International Limited OIIM |
Kuo Chuan-Chiung | 135,425,250 8.930% |
1,077,200 (+0.80%) |
Filing |
| 2022-06-03 4:00 pm Purchase |
2022-05-20 | 13D | O2Micro International Limited OIIM |
Kuo Chuan-Chiung | 134,348,050 9.060% |
134,348,050 (New Position) |
Filing |