MicroStrategy Inc. has submitted its prospectus, intending to issue 8.00% Series A perpetual preferred stock valued at up to $21 billion. This issuance aims to raise funds for general purposes, including the possible acquisition of Bitcoin. MicroStrategy plans to continue its strategy of accumulating Bitcoin, utilizing the proceeds from equity, debt financing, and operating cash flow. The document did not mention any new Bitcoin acquisitions, but emphasized the company's ongoing commitment to its Bitcoin strategy.