| Quarter | Name | Total no. shares held | Percent Holding | Pledged | Locked | ||
|---|---|---|---|---|---|---|---|
| shares | % | shares | % | ||||
| Mar 2020 | Wifag-Polytype Holding Ag | 2,226,084 | 19.82% | 0 | 0.00% | 0 | 0.00% |
| Sep 2019 | Wifag- Polytype Holding Ag | 2,226,084 | 19.82% | 0 | 0.00% | 0 | 0.00% |
| Mar 2019 | Wifag-Polytype Holding Ag | 2,226,084 | 19.82% | 0 | 0.00% | 2,226,084 | 100.00% |
| Sep 21, 2018 | Wifag- Polytype Holding Ag (Foreign Company) | 2,226,084 | 19.82% | 0 | 0.00% | 0 | 0.00% |