| Filed On | Filing |
|---|---|
| 09 Jun 2022 | SC 13G/A |
| 11 Mar 2022 | SC 13G/A |
| 14 Feb 2022 | SCHEDULE 13 G/A |
| 14 Feb 2022 | SIERRA METALS INC. |
| 12 Feb 2021 | SIERRA METALS INC. |
| 01 Feb 2021 | SC 13G/A |
| 13 Feb 2020 | SIERRA METALS INC. |
| 06 Feb 2020 | SC 13G/A |
| 14 Feb 2019 | SIERRA METALS INC. |
| 07 Feb 2019 | SC 13G/A |
| 23 Jan 2018 | SC 13G/A |
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