Heinrich Michael 13D and 13G filings for ZeroStack Corp.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-04-02 8:05 pm Sale | 2026-03-31 | 13D | ZEROSTACK CORP COM ZSTK | Heinrich Michael | 471,208 10.000% | -4,902,220 (-91.23%) | Filing |