| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2020-02-13 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | B. Riley Principal Merger Corp. | 0 | 0.0% | EDGAR |
| SC 13G | 2020-02-10 | Polar Asset Management Partners Inc. | B. Riley Principal Merger Corp. | 939,200 | 6.3% | EDGAR |
| SC 13G | 2019-04-18 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | B. Riley Principal Merger Corp. | 1,100,000 | 7.4% | EDGAR |
| SC 13G | 2019-04-16 | AQR CAPITAL MANAGEMENT LLC | B. Riley Principal Merger Corp. | 850,000 | 6.6% | EDGAR |
| SC 13D | 2019-04-15 | B. Riley Principal Sponsor Co., LLC | B. Riley Principal Merger Corp. | 3,976,250 | 22.1% | EDGAR |