| SC 13G/A | 2023-02-06 | BANK OF MONTREAL /CAN/ | FirstMark Horizon Acquisition Corp. | 0 | 0.0% | EDGAR |
| SC 13G | 2022-02-15 | BANK OF MONTREAL /CAN/ | FirstMark Horizon Acquisition Corp. | 2,858,400 | 6.9% | EDGAR |
| SC 13G/A | 2022-02-14 | GLAZER CAPITAL, LLC | FirstMark Horizon Acquisition Corp. | 173,248 | 0.4% | EDGAR |
| SC 13G | 2022-02-07 | Weiss Asset Management LP | FirstMark Horizon Acquisition Corp. | 2,286,086 | 5.5% | EDGAR |
| SC 13G/A | 2022-02-02 | INTEGRATED CORE STRATEGIES (US) LLC | FirstMark Horizon Acquisition Corp. | 88,563 | 0.2% | EDGAR |
| SC 13G | 2021-02-16 | GLAZER CAPITAL, LLC | FirstMark Horizon Acquisition Corp. | 2,464,083 | 6.0% | EDGAR |
| SC 13G | 2021-02-02 | FirstMark Horizon Sponsor LLC | FirstMark Horizon Acquisition Corp. | 10,230,000 | 19.8% | EDGAR |
| SC 13G/A | 2021-01-20 | INTEGRATED CORE STRATEGIES (US) LLC | FirstMark Horizon Acquisition Corp. | 1,588,542 | 3.8% | EDGAR |
| SC 13G | 2020-10-13 | INTEGRATED CORE STRATEGIES (US) LLC | FirstMark Horizon Acquisition Corp. | 1,190,000 | 2.9% | EDGAR |