| SC 13D/A | 2021-02-10 | Karpus Management, Inc. | Pioneer Diversified High Income Trust | 2,115,067 | 25.4% | EDGAR |
| SC 13G/A | 2021-02-08 | FIRST TRUST PORTFOLIOS LP | Pioneer Diversified High Income Trust | 283,038 | 3.4% | EDGAR |
| SC 13D/A | 2020-10-06 | Karpus Management, Inc. | Pioneer Diversified High Income Trust | 2,179,876 | 26.2% | EDGAR |
| SC 13D | 2020-06-04 | Karpus Management, Inc. | Pioneer Diversified High Income Trust | 2,130,977 | 25.6% | EDGAR |
| SC 13G/A | 2020-03-06 | SIT INVESTMENT ASSOCIATES INC | Pioneer Diversified High Income Trust | 904,532 | 10.9% | EDGAR |
| SC 13G/A | 2020-02-18 | Karpus Management, Inc. | Pioneer Diversified High Income Trust | 1,795,654 | 21.6% | EDGAR |
| SC 13G/A | 2020-02-14 | Karpus Management, Inc. | Pioneer Diversified High Income Trust | 8,320,167 | 21.6% | EDGAR |
| SC 13G/A | 2020-02-07 | SIT INVESTMENT ASSOCIATES INC | Pioneer Diversified High Income Trust | 821,080 | 9.8% | EDGAR |
| SC 13G/A | 2020-01-24 | FIRST TRUST PORTFOLIOS LP | Pioneer Diversified High Income Trust | 537,992 | 6.5% | EDGAR |
| SC 13G/A | 2019-10-10 | FIRST TRUST PORTFOLIOS LP | Pioneer Diversified High Income Trust | 574,308 | 6.9% | EDGAR |
| SC 13G/A | 2019-10-09 | Karpus Management, Inc. | Pioneer Diversified High Income Trust | 1,825,535 | 21.9% | EDGAR |
| SC 13G/A | 2019-04-10 | Karpus Management, Inc. | Pioneer Diversified High Income Trust | 1,406,688 | 16.9% | EDGAR |
| SC 13G | 2019-02-14 | Karpus Management, Inc. | Pioneer Diversified High Income Trust | 608,174 | 7.3% | EDGAR |
| SC 13G | 2019-02-05 | SIT INVESTMENT ASSOCIATES INC | Pioneer Diversified High Income Trust | 773,941 | 9.3% | EDGAR |
| SC 13G/A | 2019-02-04 | FIRST TRUST PORTFOLIOS LP | Pioneer Diversified High Income Trust | 1,028,302 | 12.4% | EDGAR |
| SC 13G/A | 2018-12-10 | FIRST TRUST PORTFOLIOS LP | Pioneer Diversified High Income Trust | 1,055,720 | 12.7% | EDGAR |
| SC 13G/A | 2018-01-12 | FIRST TRUST PORTFOLIOS LP | Pioneer Diversified High Income Trust | 1,487,857 | 17.9% | EDGAR |
| SC 13G/A | 2017-01-13 | FIRST TRUST PORTFOLIOS LP | Pioneer Diversified High Income Trust | 1,121,866 | 13.5% | EDGAR |
| SC 13G/A | 2016-01-15 | FIRST TRUST PORTFOLIOS LP | Pioneer Diversified High Income Trust | 1,131,052 | 13.6% | EDGAR |
| SC 13G/A | 2015-01-30 | FIRST TRUST PORTFOLIOS LP | Pioneer Diversified High Income Trust | 924,283 | 11.1% | EDGAR |