| Sold | Grade | Monthly Average |
| May 2026 | 1.8 | $18.50 |
| Apr 2014 | 5.5 | $19.75 |
| Apr 2019 | 4.0 | $30.00 |
| Jul 2012 | 4.0 | $16.51 |
| Jun 2025 | 3.0 | $26.00 |
| Jul 2023 | 3.0 | $24.00 |
| Jul 2022 | 3.0 | $24.00 |
| Apr 2022 | 3.0 | $16.75 |
| May 2025 | 2.0 | $12.00 |
| Apr 2017 | 2.0 | $15.00 |
| Jul 2012 | 2.0 | $16.05 |
| Oct 2011 | 2.0 | $14.25 |
| Jan 2023 | 1.0 | $7.49 |