The Vanguard Group 13D and 13G filings for Amtech Systems, Inc.:
- 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 |
| 2022-02-09 3:24 pm Sale |
2021-12-31 | 13G | Amtech Systems, Inc. ASYS |
The Vanguard Group | 473,940 3.310% |
-302,593 (-38.97%) |
Filing |
| 2021-02-10 10:30 am Purchase |
2020-12-31 | 13G | Amtech Systems, Inc. ASYS |
The Vanguard Group | 776,533 5.520% |
776,533 (New Position) |
Filing |