| SC 13G/A | 2019-01-10 | FIL Ltd | Invesco Exchange-Traded Fund Trust II | 293,764 | 19.0% | EDGAR |
| SC 13G | 2019-01-09 | STIFEL NICOLAUS & CO INC \MO\ | Invesco Exchange-Traded Fund Trust II | 528,788,825 | 41.8% | EDGAR |
| SC 13G/A | 2018-12-10 | Invesco Ltd. | Invesco Exchange-Traded Fund Trust II | 6,137,141 | 18.8% | EDGAR |
| SC 13G/A | 2018-11-13 | FIL Ltd | Invesco Exchange-Traded Fund Trust II | 358,181 | 24.7% | EDGAR |
| SC 13G/A | 2018-10-10 | Invesco Ltd. | Invesco Exchange-Traded Fund Trust II | 1,649,279 | 15.4% | EDGAR |
| SC 13G/A | 2018-10-09 | FIL Ltd | Invesco Exchange-Traded Fund Trust II | 300,081 | 19.4% | EDGAR |
| SC 13G/A | 2018-09-10 | FIL Ltd | Invesco Exchange-Traded Fund Trust II | 889,169 | 45.6% | EDGAR |
| SC 13G/A | 2018-08-10 | FIL Ltd | Invesco Exchange-Traded Fund Trust II | 676,545 | 38.7% | EDGAR |
| SC 13G/A | 2018-06-11 | Invesco Ltd. | Invesco Exchange-Traded Fund Trust II | 2,159,088 | 45.0% | EDGAR |
| SC 13G/A | 2018-05-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 1,593,989 | 5.9% | EDGAR |
| SC 13G/A | 2018-05-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 2,190,054 | 37.8% | EDGAR |
| SC 13G/A | 2018-05-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 4,876 | 0.5% | EDGAR |
| SC 13G/A | 2018-04-10 | FIL Ltd | PowerShares Exchange-Traded Fund Trust II | 532,126 | 33.3% | EDGAR |
| SC 13G/A | 2018-04-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 633,973 | 9.7% | EDGAR |
| SC 13G/A | 2018-03-29 | NATIONAL PLANNING CORP | PowerShares Exchange-Traded Fund Trust II | 0 | 0.0% | EDGAR |
| SC 13G/A | 2018-02-13 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 6,745,765 | 25.3% | EDGAR |
| SC 13G/A | 2018-02-13 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 1,328,381 | 19.1% | EDGAR |
| SC 13G/A | 2018-02-13 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 5,446,395 | 11.7% | EDGAR |
| SC 13G/A | 2018-02-13 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 5,651,758 | 9.5% | EDGAR |
| SC 13G/A | 2018-02-13 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 211,235 | 6.9% | EDGAR |